From bfa5de7eccf4604ff8217f619e9685a09e80d545 Mon Sep 17 00:00:00 2001
From: Pixel <Pixel>
Date: Fri, 27 Sep 2002 12:17:57 +0000
Subject: The week-without-the-network changes

---
 MegamanX5/Makefile        |   4 +-
 MegamanX5/unarc.cpp       |  40 +--
 PcsxSrc/Debug.h           |  18 +-
 PcsxSrc/Linux/Makefile    |   7 +-
 PcsxSrc/Sio.c             |  13 +-
 VP/Makefile               |   7 +-
 VP/decomp-slz.cpp         |  52 ++--
 VP/main_dump.cpp          |  82 ++++---
 VP/unarc.cpp              |  41 ++--
 Xenogears/Decrypt.cpp     |   7 +-
 Xenogears/Makefile        |   6 +-
 Xenogears/main_dump.cpp   |  77 +++---
 Xenogears/reinsert.cpp    |  86 ++++---
 Xenogears/script-comp.cpp |  16 +-
 Xenogears/script-dec.cpp  |  15 +-
 generic/Buffer.cpp        |  10 +-
 generic/Exceptions.cpp    |  20 +-
 generic/Handle.cpp        |  28 ++-
 generic/Image.cpp         |   6 +-
 generic/Input.cpp         |  16 +-
 generic/Makefile          |   5 +-
 generic/Output.cpp        |  22 +-
 generic/String.cpp        |  23 +-
 includes/Buffer.h         |  10 +-
 includes/Exceptions.h     |  16 +-
 includes/Handle.h         |  21 +-
 includes/Image.h          |   6 +-
 includes/Input.h          |  16 +-
 includes/Output.h         |  20 +-
 includes/String.h         |   6 +-
 includes/cdreader.h       |  12 +-
 includes/cdutils.h        | 123 +++++-----
 includes/generic.h        |   2 +
 includes/lzss.h           |  76 +++---
 includes/yazedc.h         |  85 ++-----
 lib/Makefile              |   2 +-
 lib/cdreader.cpp          |  10 +-
 lib/cdutils.cpp           | 194 +++++++--------
 lib/crctable.out          |   2 +-
 lib/crctables             |  40 +--
 lib/lzss.cpp              |  38 +--
 lib/yazedc.cpp            | 603 +---------------------------------------------
 42 files changed, 712 insertions(+), 1171 deletions(-)

diff --git a/MegamanX5/Makefile b/MegamanX5/Makefile
index 74bec9e..831126c 100755
--- a/MegamanX5/Makefile
+++ b/MegamanX5/Makefile
@@ -2,12 +2,14 @@
 
 CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -Werror -I../includes
 CXX=g++
+LIBS=-lz
+LDFLAGS=${LIBS}
 
 TARGET = unarc
 
 all: ${TARGET}
 
-unarc: unarc.o ../includes/fileutils.h ../includes/generic.h Makefile
+unarc: unarc.o ../includes/generic.h Makefile
 	${CXX} ${LDFLAGS} unarc.o ../generic/generic.a -o unarc
 
 clean:
diff --git a/MegamanX5/unarc.cpp b/MegamanX5/unarc.cpp
index c9ab2be..38a6522 100644
--- a/MegamanX5/unarc.cpp
+++ b/MegamanX5/unarc.cpp
@@ -1,40 +1,40 @@
 #include <stdlib.h>
 #include "generic.h"
-#include "fileutils.h"
+#include "Input.h"
+#include "Output.h"
+#include "Main.h"
 
-int main(int argc, char ** argv) {
-    FILE * f;
+CODE_BEGINS
+int startup() {
+    Handle * f, * o;
     
     int i = 0;
     
-    f = fopen(argv[1], "r");
+    f = new Input(argv[1]);
     
     int offset = 0;
     while (1) {
 	int sector, size;
-	fseek(f, offset, SEEK_SET);
-	fread(&sector, 4, 1, f);
-	fread(&size, 4, 1, f);
+	f->seek(offset, SEEK_SET);
+	f->read(&sector, 4);
+	f->read(&size, 4);
 	offset += 8;
 	
 	if (!sector)
 	    break;
 	
-	fseek(f, sector <<= 9, SEEK_SET);
+	f->seek(sector <<= 9, SEEK_SET);
 	
-	char * buffer = (char *) malloc(size);
-	
-	fread(buffer, 1, size, f);
-	
-	char fname[64];
-	sprintf(fname, "unarc-%03i.out", i);
-	FILE * o = fopen(fname, "w");
-	fwrite(buffer, 1, size, o);
-	fclose(o);
+	String fname;
+	fname.set("unarc-%03i.out", i);
+	o = new Output(fname);
+	copy(f, o, size);
+	delete o;
 	i++;
-	
-	free(buffer);
     }
     
-    exit(-1);
+    delete f;
+    
+    return -1;
 }
+CODE_ENDS
diff --git a/PcsxSrc/Debug.h b/PcsxSrc/Debug.h
index 14f94cb..efb426e 100644
--- a/PcsxSrc/Debug.h
+++ b/PcsxSrc/Debug.h
@@ -33,17 +33,17 @@ FILE *gteLog;
 
 //#define LOG_STDOUT
 
-//#define PAD_LOG  __Log
-//#define GTE_LOG  __Log
-//#define CDR_LOG  __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
+#define PAD_LOG  __Log
+#define GTE_LOG  __Log
+#define CDR_LOG  __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
 
-//#define PSXHW_LOG   __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
-//#define PSXBIOS_LOG __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
-//#define PSXDMA_LOG  __Log
-//#define PSXMEM_LOG  __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
-//#define PSXCPU_LOG  __Log
+#define PSXHW_LOG   __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
+#define PSXBIOS_LOG __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
+#define PSXDMA_LOG  __Log
+#define PSXMEM_LOG  __Log("%8.8lx %8.8lx: ", psxRegs.pc, psxRegs.cycle); __Log
+#define PSXCPU_LOG  __Log
 
-//#define CDRCMD_DEBUG
+#define CDRCMD_DEBUG
 
 #if defined (PSXCPU_LOG) || defined(PSXDMA_LOG) || defined(CDR_LOG) || defined(PSXHW_LOG) || \
 	defined(PSXBIOS_LOG) || defined(GTE_LOG)    || defined(PAD_LOG)
diff --git a/PcsxSrc/Linux/Makefile b/PcsxSrc/Linux/Makefile
index bbf1b70..71d47e5 100644
--- a/PcsxSrc/Linux/Makefile
+++ b/PcsxSrc/Linux/Makefile
@@ -19,7 +19,8 @@ OPTIMIZE = -O2 -fomit-frame-pointer -finline-functions -ffast-math
 FLAGS = -D__LINUX__ -DPCSX_VERSION=\"${VERSION}\"
 # this includes the option -rdynamic and we don't want that
 LIBST = $(shell gtk-config --libs)
-LIBS = $(subst -rdynamic, , ${LIBST}) -lz
+#LIBS = $(subst -rdynamic, , ${LIBST}) -lz
+LIBS = ${LIBST} -lz
 
 OBJS = ../PsxBios.o ../CdRom.o ../PsxCounters.o ../PsxDma.o ../DisR3000A.o \
        ../Spu.o ../Sio.o ../PsxHw.o ../Mdec.o ../PsxMem.o ../Misc.o \
@@ -29,7 +30,7 @@ OBJS+= LnxMain.o Plugin.o Config.o GtkGui.o
 OBJS+= GladeGui.o GladeFuncs.o #GladeCalls.o
 
 ifeq (${CPU}, ix86)
-	CC = pgcc
+	CC = gcc
 	OPTIMIZE = -O4 -fomit-frame-pointer -finline-functions -ffast-math -fno-exceptions -march=pentiumpro
 	OBJS+= ../ix86/iR3000A.o ../ix86/ix86.o
 	FLAGS+= -D__i386__
@@ -41,7 +42,7 @@ ASMFLAGS = -f elf ${FLAGS} -i./ -i../
 
 pcsx: ${OBJS}
 	${CC} ${CFLAGS} ${OBJS} -o pcsx ${LIBS}
-	${STRIP} pcsx
+#	${STRIP} pcsx
 
 .PHONY: clean pcsx
 
diff --git a/PcsxSrc/Sio.c b/PcsxSrc/Sio.c
index 36f09b8..263e556 100644
--- a/PcsxSrc/Sio.c
+++ b/PcsxSrc/Sio.c
@@ -46,7 +46,18 @@ static unsigned char adrH,adrL;
 static unsigned long padst;
 
 PadDataS pad;
-
+
+#ifndef strlwr
+#include <ctype.h>
+char * strlwr(char * string) {
+    char * r;
+    for (r = string; *r; r++) {
+	*r = tolower(*r);
+    }
+    return string;
+}
+#endif
+
 char Mcd1Data[MCD_SIZE], Mcd2Data[MCD_SIZE];
 
 // clk cycle byte
diff --git a/VP/Makefile b/VP/Makefile
index 27af592..815eb9d 100755
--- a/VP/Makefile
+++ b/VP/Makefile
@@ -1,9 +1,12 @@
 #!/usr/bin/make -f
 
-CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -Werror -I../includes
+CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -Werror -I../includes -DHAVE_ZLIB
 CXX=g++
 
-TARGET = main_dump VP-CD1.sqr decomp-slz unarc search-script
+LIBS=-lz
+LDFLAGS=${LIBS}
+
+TARGET = main_dump VP-CD1.sqr decomp-slz unarc
 
 all: ${TARGET}
 
diff --git a/VP/decomp-slz.cpp b/VP/decomp-slz.cpp
index fa09411..076d3bd 100644
--- a/VP/decomp-slz.cpp
+++ b/VP/decomp-slz.cpp
@@ -2,56 +2,62 @@
 #include <stdlib.h>
 
 #include "lzss.h"
-#include "fileutils.h"
-#include "generic.h"
+#include "Input.h"
+#include "Output.h"
+#include "Main.h"
 
-int main(int argc, char ** argv) {
+CODE_BEGINS
+public:
+Appli() : lzss_o(new lzss) {}
+virtual ~Appli() {
+    delete lzss_o;
+}
+private:
+
+lzss * lzss_o;
+
+virtual int startup() throw (GeneralException) {
     int sig, l, d, v;
-    FILE * fin = stdin, * fout = stdout;
+    Handle * fin = &Stdin, * fout = &Stdout;
     
     switch (argc) {
     case 3:
-	if (!(fout = fopen(argv[2], "w"))) {
-	    printm(M_ERROR, "Error opening file %s.\n", argv[3]);
-	    exit(-1);
-	}
+	fout = new Output(argv[2]);
     case 2:
-	if (!(fin = fopen(argv[1], "r"))) {
-	    printm(M_ERROR, "Error opening file %s.\n", argv[2]);
-	    exit(-1);
-	}
+	fin = new Input(argv[1]);
 	break;
     case 1:
 	break;
     default:
 	printm(M_BARE, "Usage: %s [filein] [fileout]\n", argv[0]);
-	exit(-1);
+	return -1;
     }
     
     verbosity = M_STATUS;
     
-    fread(&sig, 1, 4, fin);
-    fread(&d, 1, 4, fin);
-    fread(&l, 1, 4, fin);
+    fin->read(&sig, 4);
+    fin->read(&d, 4);
+    fin->read(&l, 4);
     switch (sig) {
     case 0x05a4c53:
 	printm(M_STATUS, "Detected a SLZ-type 0 file.\n");
-	fread(&v, 1, 4, fin);
+	fin->read(&v, 4);
 	copy(fin, fout, d);
-	exit(0);
+	return 0;
     case 0x15a4c53:
-	scheme = schemes[VP_1];
+	lzss_o->change_scheme(lzss_o->schemes[lzss_o->VP_1]);
 	printm(M_STATUS, "Detected a SLZ-type 1 file.\n");
 	break;
     case 0x25a4c53:
-	scheme = schemes[VP_2];
+	lzss_o->change_scheme(lzss_o->schemes[lzss_o->VP_2]);
 	printm(M_STATUS, "Detected a SLZ-type 2 file.\n");
 	break;
     default:
 	printm(M_ERROR, "Not a SLZ file.\n");
-	exit(-1);
+	return -1;
     }
     
-    lzss_decomp(fin, fout, l);
-    exit(0);
+    lzss_o->lzss_decomp(fin, fout, l);
+    return 0;
 }
+CODE_ENDS
diff --git a/VP/main_dump.cpp b/VP/main_dump.cpp
index 0845e1a..421db66 100644
--- a/VP/main_dump.cpp
+++ b/VP/main_dump.cpp
@@ -33,8 +33,21 @@
 #include "Input.h"
 #include "Output.h"
 #include "String.h"
+#include "Main.h"
+#include "cdabstract.h"
+
+CODE_BEGINS
+public:
+Appli() : tourne(0), nb_seqs(0), f_def(0), f_iso(0), f_out(0), cdutil(0) {}
+virtual ~Appli() {
+    delete cdutil;
+    delete f_def;
+    delete f_iso;
+    delete f_out;
+}
+private:
 
-unsigned int tourne = 0;
+unsigned int tourne;
 
 struct t_index_tab {
     unsigned long address;
@@ -53,20 +66,15 @@ struct t_sequence {
 
 String title, iso_filename, prefix;
 unsigned long iso_size;
-unsigned int nb_records, nb_seqs = 0;
+unsigned int nb_records, nb_seqs;
 struct t_sequence sequences[1000];
-
-long check_iso(Handle * f_iso);
-void read_files(Handle * f_iso);
-void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long num, int seq);
-int process_def_file(Handle * f_def);
+Handle * f_def, * f_iso, * f_out;
+cdutils * cdutil;
 
 unsigned char user_data[2352];
 
-int main(int argc, char **argv)
+virtual int startup() throw (GeneralException)
 {
-    Handle * f_def, * f_iso;
-    
     verbosity = M_STATUS;
     
     fprintf(stderr,
@@ -76,40 +84,41 @@ int main(int argc, char **argv)
     if (argc != 3) {
 	fprintf(stderr, "Usage: %s <definition_file.sqr> <iso_file_name>\nSee readme.txt for details\n",
 	       argv[0]);
-	exit(-1);
+	throw Exit(-1);
     }
 
     printm(M_STATUS, "Processing file %s...\n", argv[1]);
 
     f_def = new Input(argv[1]);
 
-    if (process_def_file(f_def)) {
-	delete f_def;
+    if (process_def_file()) {
 	printm(M_ERROR, "Unable to process the definition file \"%s\"...\n", argv[1]);
-	exit(-1);
+	throw Exit(-1);
     }
 
     iso_filename = argv[2];
 
     printm(M_STATUS, "Begin processing iso file.\n");
-    f_iso = new Input(iso_filename);
+    f_iso = open_iso(iso_filename);
 
-    if (check_iso(f_iso)) {
+    if (check_iso()) {
 	printm(M_ERROR, "Invalid iso file for " + title + "\n");
 	printm(M_ERROR, "===> Make sure you are using a Genuine iso file.\n");
     } else {
 	printm(M_INFO, "Genuine " + title + " iso detected.\n");
     }
+    
+    cdutil = new cdutils(f_iso);
+    
     printm(M_STATUS, "Entering files read sequence\n");
-    read_files(f_iso);
-    delete f_iso;
-    exit(0);
+    read_files();
+    throw Exit(0);
 }
 
 /*
  * Ugly but working... for now 
  */
-int process_def_file(Handle * f_def)
+int process_def_file()
 {
     String t;
     unsigned int n, sum = 0;
@@ -153,19 +162,23 @@ int process_def_file(Handle * f_def)
     }
 }
 
-long check_iso(Handle * f_iso)
+long check_iso()
 {
     unsigned long length;
 
     length = f_iso->GetSize();
-    printm(M_INFO, "Filesize of iso file " + iso_filename + " is %ld bytes\n", length);
-    if (length != iso_size) {
-	return 1;
+    if (length < 0) {
+	printm(M_INFO, "Can not get file size, assuming reading from cd.\n");
+    } else {
+	printm(M_INFO, "Filesize of iso file " + iso_filename + " is %ld bytes\n", length);
+	if (length != iso_size) {
+	    return 1;
+	}
     }
     return 0;
 }
 
-void read_files(Handle * f_iso)
+void read_files()
 {
     t_index_tab index_tab[10000];
     unsigned long i;
@@ -178,10 +191,10 @@ void read_files(Handle * f_iso)
 
 #define INDEXPOS 150
 
-    sector_seek(f_iso, INDEXPOS);
+    cdutil->sector_seek(INDEXPOS);
     for (i = INDEXPOS; i < (INDEXPOS + 10); i++) {
 	printm(M_INFO, "Reading fat sector %lu\n", i);
-	read_sector(f_iso, &fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
+	cdutil->read_sector(&fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
     }
 
     memcpy(key, fat + 0x4f00, 256);
@@ -197,7 +210,7 @@ void read_files(Handle * f_iso)
 	m = fat[j];
 	s = fat[j + 1];
 	f = fat[j + 2];
-	index_tab[indexer].address = from_MSF(m, s, f);
+	index_tab[indexer].address = cdutil->from_MSF(m, s, f);
 	if (m || s || f) {
 	    index_tab[indexer].index = j / 4;
 	    index_tab[indexer].flags = fat[j + 3];
@@ -224,7 +237,7 @@ void read_files(Handle * f_iso)
 	    printm(M_INFO, "%6lu - %02x: ", index_tab[i].address, index_tab[i].flags);
 	    size = index_tab[i + 1].address - index_tab[i].address;
 	    size *= sec_sizes[index_tab[i].type];
-	    file_dump(f_iso, index_tab[i].address, size, i, seq);
+	    file_dump(index_tab[i].address, size, i, seq);
 	    if (verbosity >= M_INFO) {
 		fprintf(stderr, "\n");
 	    }
@@ -233,12 +246,11 @@ void read_files(Handle * f_iso)
     fprintf(stderr, "\n");
 }
 
-void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long num, int seq)
+void file_dump(unsigned long debut, unsigned long taille, long num, int seq)
 {
     long i;
     long nbsects;
     String nom;
-    Handle * f_out;
     char type = sequences[seq].type;
     char ptitbidule[] = "-\\|/";
     
@@ -248,17 +260,17 @@ void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long n
     nom += sequences[seq].prefix + "/";
     MKDIR(nom.to_charp());
     
-    nom += String("%04ld.out", num);
+    nom += String().set("%04ld.out", num);
 
     f_out = new Output(nom);
     nbsects = taille / sec_sizes[type];
     if (taille % sec_sizes[type])
 	nbsects++;
-    sector_seek(f_iso, debut);
+    cdutil->sector_seek(debut);
     for (i = 0; i < nbsects; i++) {
 	if (verbosity < M_INFO) 
 	    fprintf(stderr, "  (%c)\010\010\010\010\010", ptitbidule[((tourne++) >> 8) % 4]);
-	read_sector(f_iso, user_data, type);
+	cdutil->read_sector(user_data, type);
 	if (i != (nbsects - 1)) {
 	    f_out->write(user_data, sec_sizes[type]);
 	} else {
@@ -266,5 +278,7 @@ void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long n
 	}
     }
     delete f_out;
+    f_out = 0;
     printm(M_BARE, "  (*) Dumped file number %4ld - type \"" + sequences[seq].name + "\"           \r", num);
 }
+CODE_ENDS
diff --git a/VP/unarc.cpp b/VP/unarc.cpp
index 5699260..7a22c48 100644
--- a/VP/unarc.cpp
+++ b/VP/unarc.cpp
@@ -2,14 +2,18 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-#include "fileutils.h"
+#include "Input.h"
+#include "Output.h"
 #include "generic.h"
+#include "Main.h"
 
 #define THRESHOLD 2000
 
-int main(int argc, char ** argv) {
-    int h, o, n, * index, * sizes, i, d;
-    char temp[100];
+CODE_BEGINS
+int startup() {
+    int n, * index, * sizes, i, d;
+    String temp;
+    Handle * h, * o;
 
     verbosity = M_INFO;
 
@@ -18,12 +22,9 @@ int main(int argc, char ** argv) {
 	exit(-1);
     }
     
-    if ((h = open(argv[1], O_RDONLY)) < 0) {
-	printm(M_ERROR, "Unable to open archive file: %s\n", argv[1]);
-	exit(-1);
-    }
+    h = new Input(argv[1]);
     
-    read(h, &n, 4);
+    h->read(&n, 4);
     
     printm(M_STATUS, "Archive claims to have %i files, checking integrity.\n", n);
     
@@ -36,8 +37,8 @@ int main(int argc, char ** argv) {
     sizes = (int *) malloc(n * sizeof(int));
     
     for (i = 0; i < n; i++) {
-	lseek(h, (i + 1) * 8 + 4, SEEK_SET);
-	read(h, &(sizes[i]), 4);
+	h->seek((i + 1) * 8 + 4, SEEK_SET);
+	h->read(&(sizes[i]), 4);
 	printm(M_INFO, "File #%i size = %i = 0x%08x\n", i, sizes[i], sizes[i]);
     }
     
@@ -50,9 +51,9 @@ int main(int argc, char ** argv) {
 	printm(M_INFO, "Index #%i = %i = 0x%08x\n", i, index[i], index[i]);
     }
     
-    d = filesize(h) - index[n - 1] - sizes[n - 1];
+    d = h->GetSize() - index[n - 1] - sizes[n - 1];
 
-    printm(M_INFO, "Archive size: %i, last index: %i, last file size: %i, difference = %i\n", filesize(h), index[n - 1], sizes[n - 1], d);
+    printm(M_INFO, "Archive size: %i, last index: %i, last file size: %i, difference = %i\n", h->GetSize(), index[n - 1], sizes[n - 1], d);
     
     if ((d < 0) || (d > 2048)) {
 	printm(M_ERROR, "Archive incoherent.\n");
@@ -62,15 +63,17 @@ int main(int argc, char ** argv) {
     printm(M_STATUS, "Archive seems to be ok, extracting.\n");
     
     for (i = 0; i < n; i++) {
-	sprintf(temp, "%04i.out", i);
-	o = open(temp, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+	temp.set("%04i.out", i);
+	o = new Output(temp);
 	
-	printm(M_INFO, "Extracting %s\n", temp);
+	printm(M_INFO, "Extracting " + temp + "\n");
 	
-	lseek(h, index[i], SEEK_SET);
+	h->seek(index[i], SEEK_SET);
 	copy(h, o, sizes[i]);
-	close(o);
+	delete o;
     }
     
-    exit(0);
+    delete h;
+    return 0;
 }
+CODE_ENDS
diff --git a/Xenogears/Decrypt.cpp b/Xenogears/Decrypt.cpp
index 76289e2..5f606a7 100644
--- a/Xenogears/Decrypt.cpp
+++ b/Xenogears/Decrypt.cpp
@@ -1,6 +1,8 @@
 #include<stdio.h>
 #include<string.h>
+#include "Main.h"
 
+CODE_BEGINS
 void init_table(long table[5000])
 {
     long i;
@@ -467,7 +469,7 @@ int decrypt(FILE * f_source, FILE * f_cible, int room_number)
     return (0);
 }
 
-int main(void)
+int startup(void) throw (GeneralException)
 {
     int i;
     char file_name[100];
@@ -501,4 +503,7 @@ int main(void)
 	    fclose(f_cible);
 	}
     }
+    
+    return 0;
 }
+CODE_ENDS
diff --git a/Xenogears/Makefile b/Xenogears/Makefile
index 0f4a0bc..61f4486 100755
--- a/Xenogears/Makefile
+++ b/Xenogears/Makefile
@@ -4,8 +4,10 @@ CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -I../includes -DHAVE
 CXX=g++
 CC=gcc
 
-LIBS=-lz -lefence
-LDFLAGS=${LIBS} `pkg-config --libs glib-2.0`
+LIBS=-lz
+#-lefence
+LDFLAGS=${LIBS}
+#`pkg-config --libs glib-2.0`
 
 TARGET = reinsert main_dump Decrypt script-comp script-dec XenoCD1.sqr XenoCD2.sqr compil compil-2
 
diff --git a/Xenogears/main_dump.cpp b/Xenogears/main_dump.cpp
index e380f7a..4a8cb2e 100644
--- a/Xenogears/main_dump.cpp
+++ b/Xenogears/main_dump.cpp
@@ -32,8 +32,21 @@
 #include "generic.h"
 #include "Input.h"
 #include "Output.h"
+#include "Main.h"
+#include "cdabstract.h"
+
+CODE_BEGINS
+public:
+Appli() : tourne(0), nb_seqs(0), f_def(0), f_iso(0), cdutil(0) {}
+virtual ~Appli() {
+    delete cdutil;
+    delete f_def;
+    delete f_iso;
+    delete f_out;
+}
+private:
 
-unsigned int tourne = 0;
+unsigned int tourne;
 
 struct t_index_tab {
     unsigned long address;
@@ -52,19 +65,16 @@ struct t_sequence {
 
 String title, iso_filename, prefix;
 unsigned long iso_size;
-unsigned int nb_records, nb_seqs = 0;
+unsigned int nb_records, nb_seqs;
 struct t_sequence sequences[100];
+Handle * f_def, * f_iso, * f_out;
 
-long check_iso(Handle * f_iso);
-void read_files(Handle * f_iso);
-void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long num, int seq);
-int process_def_file(Handle * f_def);
+cdutils * cdutil;
 
 Byte user_data[2352];
 
-int Main(int argc, char **argv)
+int startup()
 {
-    Handle * f_def, * f_iso;
     
     verbosity = 3;
     
@@ -82,8 +92,7 @@ int Main(int argc, char **argv)
 
     f_def = new Input(argv[1]);
 
-    if (process_def_file(f_def)) {
-	delete f_def;
+    if (process_def_file()) {
 	printm(M_ERROR, "Unable to process the definition file \"%s\"...\n", argv[1]);
 	exit(-1);
     }
@@ -91,24 +100,26 @@ int Main(int argc, char **argv)
     iso_filename = argv[2];
 
     printm(M_STATUS, "Begin processing iso file.\n");
-    f_iso = new Input(iso_filename);
+    f_iso = open_iso(iso_filename);
 
-    if (check_iso(f_iso)) {
+    if (check_iso()) {
 	printm(M_ERROR, "Invalid iso file for " + title + "\n");
 	printm(M_ERROR, "===> Make sure you are using a Genuine iso file.\n");
     } else {
 	printm(M_INFO, "Genuine " + title + " iso detected.\n");
     }
+    
+    cdutil = new cdutils(f_iso);
+    
     printm(M_STATUS, "Entering files read sequence\n");
-    read_files(f_iso);
-    delete f_iso;
+    read_files();
     exit(0);
 }
 
 /*
  * Ugly but working... for now 
  */
-int process_def_file(Handle * f_def)
+int process_def_file()
 {
     String t;
     unsigned int n, sum = 0;
@@ -157,19 +168,23 @@ int process_def_file(Handle * f_def)
     }
 }
 
-long check_iso(Handle * f_iso)
+long check_iso()
 {
     unsigned long length;
 
     length = f_iso->GetSize();
-    printm(M_INFO, "Filesize of iso file " + iso_filename + " is %ld bytes\n", length);
-    if (length != iso_size) {
-	return 1;
+    if (length < 0) {
+	printm(M_INFO, "Can not get file size, assuming reading from CD.\n");
+    } else {
+	printm(M_INFO, "Filesize of iso file " + iso_filename + " is %ld bytes\n", length);
+	if (length != iso_size) {
+	    return 1;
+	}
     }
     return 0;
 }
 
-void read_files(Handle * f_iso)
+void read_files()
 {
     t_index_tab index_tab[10000];
     unsigned char t[8];
@@ -183,10 +198,10 @@ void read_files(Handle * f_iso)
 
 #define INDEXPOS 24
 
-    sector_seek(f_iso, INDEXPOS);
+    cdutil->sector_seek(INDEXPOS);
     for (i = INDEXPOS; i < (INDEXPOS + 16); i++) {
 	printm(M_INFO, "Reading fat sector %lu\n", i);
-	read_sector(f_iso, &fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
+	cdutil->read_sector(&fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
     }
 
     indexer = 0;
@@ -217,7 +232,7 @@ void read_files(Handle * f_iso)
 	    printm(M_INFO, "%6lu (%10lu): ignored\n", index_tab[i].address, index_tab[i].size);
 	} else {
 	    printm(M_INFO, "%6lu (%10lu): ", index_tab[i].address, index_tab[i].size);
-	    file_dump(f_iso, index_tab[i].address, index_tab[i].size, i, seq);
+	    file_dump(index_tab[i].address, index_tab[i].size, i, seq);
 	    if (verbosity >= M_INFO) {
 		fprintf(stderr, "\n");
 	    }
@@ -226,14 +241,13 @@ void read_files(Handle * f_iso)
     fprintf(stderr, "\n");
 }
 
-void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long num, int seq)
+void file_dump(unsigned long debut, unsigned long taille, long num, int seq)
 {
     long i;
     long nbsects;
     String nom;
     String extension = ".out";
     String nom_t;
-    Handle * f_out;
     char type = sequences[seq].type;
     char ptitbidule[] = "-\\|/";
     
@@ -252,11 +266,11 @@ void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long n
     nbsects = taille / sec_sizes[type];
     if (taille % sec_sizes[type])
 	nbsects++;
-    sector_seek(f_iso, debut);
+    cdutil->sector_seek(debut);
     for (i = 0; i < nbsects; i++) {
 	if (verbosity < M_INFO) 
 	    fprintf(stderr, "  (%c)\010\010\010\010\010", ptitbidule[((tourne++) >> 8) % 4]);
-	read_sector(f_iso, user_data, type);
+	cdutil->read_sector(user_data, type);
 	if (i != (nbsects - 1)) {
 	    f_out->write(user_data, sec_sizes[type]);
 	} else {
@@ -264,13 +278,8 @@ void file_dump(Handle * f_iso, unsigned long debut, unsigned long taille, long n
 	}
     }
     delete f_out;
+    f_out = 0;
     printm(M_BARE, "  (*) Dumped file number %4ld - type \"" + sequences[seq].name + "\"           \r", num);
 }
 
-int main(int argc, char ** argv) {
-    try {
-	Main(argc, argv);
-    } catch (GeneralException e) {
-	fprintf(stderr, "Main got an unexpected exception: %s\n", e.GetMsg());
-    }
-}
+} * Application = new Appli();
diff --git a/Xenogears/reinsert.cpp b/Xenogears/reinsert.cpp
index 440e444..da23033 100644
--- a/Xenogears/reinsert.cpp
+++ b/Xenogears/reinsert.cpp
@@ -6,8 +6,21 @@
 #include "generic.h"
 #include "Input.h"
 #include "Output.h"
+#include "Main.h"
+
+CODE_BEGINS
+public:
+Appli() : tourne(0), nb_seqs(0), f_def(0), f_iso_r(0), f_iso_w(0), f_in(0), cdutil(0), slus_index(-1), force(0) {}
+virtual ~Appli() {
+    delete cdutil;
+    delete f_def;
+    delete f_iso_r;
+    delete f_iso_w;
+    delete f_in;
+}
+private:
 
-unsigned int tourne = 0;
+unsigned int tourne;
 
 struct t_index_tab {
     unsigned long address;
@@ -26,26 +39,23 @@ struct t_sequence {
 
 String title, iso_filename, prefix, in_filename;
 unsigned long iso_size;
-unsigned int nb_records, nb_seqs = 0;
+unsigned int nb_records, nb_seqs;
 struct t_sequence sequences[1000];
+Handle * f_def, * f_iso_r, * f_iso_w, * f_in;
+cdutils * cdutil;
 
-int slus_index = -1, force = 0;
-
-long check_iso(Handle * f_iso);
-void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileindex);
-int process_def_file(Handle * f_def);
+int slus_index, force;
 
 unsigned char user_data[2352];
 
-void usage(char ** argv) {
+void usage() throw (GeneralException) {
 	printm(M_BARE, "Usage: %s <definition_file.sqr> <iso_file_name> <file_index> <filename> [-f]\nSee readme.txt for details\n",
 	       argv[0]);
-	exit(-1);
+	throw Exit(-1);
 }
 
-int main(int argc, char **argv)
+virtual int startup() throw (GeneralException)
 {
-    Handle * f_def, * f_iso_r, * f_iso_w, * f_in;
     int fileindex;
     
     verbosity = 1;
@@ -53,12 +63,12 @@ int main(int argc, char **argv)
     printm(M_BARE, "Xenogears File Insertor by Nicolas \"Pixel\" Noble\n\n");
 
     if ((argc != 5) && (argc != 6)) {
-	usage(argv);
+	usage();
     }
     
     if (argc == 6) {
 	if (strcmp(argv[5], "-f")) {
-	    usage(argv);
+	    usage();
 	} else {
 	    force = 1;
 	}
@@ -69,9 +79,8 @@ int main(int argc, char **argv)
     f_def = new Input(argv[1]);
 
     if (process_def_file(f_def)) {
-	delete f_def;
 	printm(M_ERROR, "Unable to process the definition file \"%s\"...\n", argv[1]);
-	exit(-1);
+	throw Exit(-1);
     }
 
     iso_filename = argv[2];
@@ -81,10 +90,12 @@ int main(int argc, char **argv)
     f_iso_w = new Output(iso_filename, 0, 0);
     f_iso_w->seek(0, SEEK_SET);
     
-    if (check_iso(f_iso_r)) {
+    cdutil = new cdutils(f_iso_r, f_iso_w);
+    
+    if (check_iso()) {
 	printm(M_ERROR, "Invalid iso file for " + title + "\n");
 	printm(M_ERROR, "===> Make sure you are using a Genuine iso file.\n");
-	exit(-1);
+	throw Exit(-1);
     } else {
 	printm(M_INFO, "Genuine " + title + " iso detected.\n");
     }
@@ -94,10 +105,8 @@ int main(int argc, char **argv)
     f_in = new Input(in_filename);
 
     printm(M_STATUS, "Entering files write sequence\n");
-    write_files(f_iso_r, f_iso_w, f_in, fileindex);
-    delete f_iso_r;
-    delete f_iso_w;
-    exit(0);
+    write_files(fileindex);
+    return 0;
 }
 
 /*
@@ -152,11 +161,11 @@ int process_def_file(Handle * f_def)
     }
 }
 
-long check_iso(Handle * f_iso)
+long check_iso()
 {
     unsigned long length;
 
-    length = f_iso->GetSize();
+    length = f_iso_r->GetSize();
     printm(M_INFO, "Filesize of iso file " + iso_filename + " is %ld bytes\n", length);
     if (length != iso_size) {
 	return 1;
@@ -166,31 +175,31 @@ long check_iso(Handle * f_iso)
 
 #define INDEXPOS 24
 
-void rewrite_fat(Handle * f_iso_r, Handle * f_iso_w, Byte * new_fat) {
+void rewrite_fat(Byte * new_fat) {
     unsigned char old_fat[34816];
     int i;
 
-    sector_seek(f_iso_w, INDEXPOS);
+    cdutil->sector_seek(INDEXPOS);
     for (i = INDEXPOS; i < (INDEXPOS + 16); i++) {
 	printm(M_INFO, "Writing fat sector %lu\n", i);
-	write_sector(f_iso_r, f_iso_w, &new_fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
+	cdutil->write_sector(&new_fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
     }
 
-    sector_seek(f_iso_r, slus_index + 1);
+    cdutil->sector_seek(slus_index + 1);
     for (i = slus_index + 1; i < (slus_index + 18); i++) {
 	printm(M_INFO, "Reading SLUS sector %lu\n", i);
-	read_sector(f_iso_r, &old_fat[2048 * (i - slus_index - 1)], MODE_2_FORM_1);
+	cdutil->read_sector(&old_fat[2048 * (i - slus_index - 1)], MODE_2_FORM_1);
     }
 
     bcopy((char *) new_fat, (char *) old_fat + 4, 32768);
-    sector_seek(f_iso_w, slus_index + 1);
+    cdutil->sector_seek(slus_index + 1);
     for (i = slus_index + 1; i < (slus_index + 18); i++) {
 	printm(M_INFO, "Writing SLUS sector %lu\n", i);
-	write_sector(f_iso_r, f_iso_w, &old_fat[2048 * (i - slus_index - 1)], MODE_2_FORM_1);
+	cdutil->write_sector(&old_fat[2048 * (i - slus_index - 1)], MODE_2_FORM_1);
     }
 }
 
-void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileindex)
+void write_files(int fileindex) throw (GeneralException)
 {
     t_index_tab index_tab[10000];
     unsigned char t[8];
@@ -203,10 +212,10 @@ void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileinde
     long old_file_size, new_file_size, old_nb_sects, new_nb_sects;
     unsigned char fat[32768];
 
-    sector_seek(f_iso_r, INDEXPOS);
+    cdutil->sector_seek(INDEXPOS);
     for (i = INDEXPOS; i < (INDEXPOS + 16); i++) {
 	printm(M_INFO, "Reading fat sector %lu\n", i);
-	read_sector(f_iso_r, &fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
+	cdutil->read_sector(&fat[2048 * (i - INDEXPOS)], MODE_2_FORM_1);
     }
 
     indexer = 0;
@@ -236,7 +245,7 @@ void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileinde
 	if (sequences[seq].prefix == "SLUS") {
 	    if (slus_index >= 0) {
 		printm(M_ERROR, "Two SLUS files defined\n");
-		exit(-1);
+		throw Exit(-1);
 	    }
 	    slus_index = index_tab[i].address;
 	}
@@ -244,7 +253,7 @@ void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileinde
     
     if (slus_index < 0) {
 	printm(M_ERROR, "No SLUS file defined\n");
-	exit(-1);
+	throw Exit(-1);
     }
     
     printm(M_INFO, "SLUS file found at sector %6i\n", slus_index);
@@ -266,7 +275,7 @@ void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileinde
     if (new_nb_sects > old_nb_sects) {
 	printm(M_ERROR, "New file too big.\n");
 	if (!force) {
-	    exit(-1);
+	    throw Exit(-1);
 	}
     }
     
@@ -275,7 +284,8 @@ void write_files(Handle * f_iso_r, Handle * f_iso_w, Handle * f_in, int fileinde
     
     printm(M_INFO, "File address: %6i\n", index_tab[fileindex].address);
     
-    write_file(f_iso_r, f_iso_w, f_in, index_tab[fileindex].type, index_tab[fileindex].address);
+    cdutil->write_file(f_in, index_tab[fileindex].type, index_tab[fileindex].address);
     *((long *)(&fat[index_tab[fileindex].index * 7 + 3])) = new_file_size;
-    rewrite_fat(f_iso_r, f_iso_w, fat);
+    rewrite_fat(fat);
 }
+CODE_ENDS
diff --git a/Xenogears/script-comp.cpp b/Xenogears/script-comp.cpp
index ee71d8f..76eab1d 100644
--- a/Xenogears/script-comp.cpp
+++ b/Xenogears/script-comp.cpp
@@ -2,6 +2,15 @@
 #include "Input.h"
 #include "Output.h"
 #include "generic.h"
+#include "Main.h"
+
+CODE_BEGINS
+public:
+Appli() : lzss_o(new lzss()) {}
+virtual ~Appli() { delete lzss_o; }
+private:
+
+lzss * lzss_o;
 
 void process_one_file(Handle * f, Handle * d, int n) {
     String nom_du_fichier;
@@ -38,7 +47,7 @@ void process_one_file(Handle * f, Handle * d, int n) {
     d->write(&true_length, 4);
     d->seek(0, SEEK_END);
 	
-    lzss_comp(f_part, d, &delta);
+    lzss_o->lzss_comp(f_part, d, &delta);
 
     delete f_part;	
 	
@@ -58,7 +67,7 @@ void process_one_file(Handle * f, Handle * d, int n) {
     free(datas);
 }
 
-int main(int argc, char ** argv)
+virtual int startup() throw (GeneralException)
 {
     Handle * f_script_comp, * f_new_script;
     int i;
@@ -95,4 +104,7 @@ int main(int argc, char ** argv)
     	num++;
     }
     printm(M_BARE, "Done !\n");
+    
+    return 0;
 }
+CODE_ENDS
diff --git a/Xenogears/script-dec.cpp b/Xenogears/script-dec.cpp
index 81dfea3..84e55f0 100644
--- a/Xenogears/script-dec.cpp
+++ b/Xenogears/script-dec.cpp
@@ -5,6 +5,15 @@
 #include "String.h"
 #include "Input.h"
 #include "Output.h"
+#include "Main.h"
+
+CODE_BEGINS
+public:
+Appli() : lzss_o(new lzss()) {}
+virtual ~Appli() { delete lzss_o; }
+private:
+
+lzss * lzss_o;
 
 void process_one_file(Handle * f, int d, int n) {
     String nom_du_fichier;
@@ -28,7 +37,7 @@ void process_one_file(Handle * f, int d, int n) {
 	f->seek(0x10c + i * 4);
 	f->read(&true_length, 4);
 	f->seek(script_position);
-	lzss_decomp(f, f_out, true_length);
+	lzss_o->lzss_decomp(f, f_out, true_length);
 //	if (i == 7) {
 //    	    fseek(f_out, 0, SEEK_SET);
 //	    fread(&true_length, 4, 1, f_out);
@@ -38,7 +47,7 @@ void process_one_file(Handle * f, int d, int n) {
 //    }
 }
 
-int main(void)
+int startup()
 {
     Handle * f_script_comp;
     int i;
@@ -69,4 +78,6 @@ int main(void)
 	num++;
     }
     printm(M_BARE, "Done !\n");
+    return 0;
 }
+CODE_ENDS
diff --git a/generic/Buffer.cpp b/generic/Buffer.cpp
index 940b0a8..36c56a9 100644
--- a/generic/Buffer.cpp
+++ b/generic/Buffer.cpp
@@ -54,15 +54,15 @@ ssize_t Buffer::read(void *buf, size_t count) throw (GeneralException) {
     return count;
 }
 
-bool Buffer::CanRead() {
+bool Buffer::CanRead() const {
     return true;
 }
 
-bool Buffer::CanWrite() {
+bool Buffer::CanWrite() const {
     return true;
 }
 
-String Buffer::GetName() {
+String Buffer::GetName() const {
     return "Buffer";
 }
 
@@ -81,11 +81,11 @@ Buffer Buffer::operator=(const Buffer & b) {
     return *this;
 }
 
-bool Buffer::CanWatch() {
+bool Buffer::CanWatch() const {
     return false;
 }
 
-ssize_t Buffer::GetSize() {
+ssize_t Buffer::GetSize() const {
     return realsiz;
 }
 
diff --git a/generic/Exceptions.cpp b/generic/Exceptions.cpp
index b7c00a6..510e0a3 100644
--- a/generic/Exceptions.cpp
+++ b/generic/Exceptions.cpp
@@ -3,7 +3,9 @@
 #include <string.h>
 #include <errno.h>
 #include <stddef.h>
+#ifdef HAVE_GLIB
 #include <glib.h>
+#endif
 #ifdef DEBUG
 #include <iostream>
 #endif
@@ -40,7 +42,7 @@ GeneralException::~GeneralException() {
 
 TaskNotFound::TaskNotFound() : GeneralException("Task not found") { }
 
-char * GeneralException::GetMsg() {
+const char * GeneralException::GetMsg() const {
     return msg;
 }
 
@@ -71,6 +73,16 @@ TaskSwitch::TaskSwitch() : GeneralException(_("Switching task in a non-tasked en
 #endif
 }
 
+Exit::Exit(int a_code) : GeneralException(_("Exitting with code " + a_code)), code(a_code) {
+#ifdef DEBUG
+    cerr << "Generating an Exit exception: '" << GetMsg() << "'.\n";
+#endif
+}
+
+int Exit::GetCode() {
+    return code;
+}
+
 char * xstrdup(const char * s) {
     char * r;
     
@@ -108,9 +120,9 @@ void * xrealloc(void * ptr, size_t s) {
 #endif
 }
 
-#ifdef OVER_FREE
-#undef free
-#endif
+void xfree(unsigned char *& p) {
+    xfree(((char *)p));
+}
 
 void xfree(void *& p) {
     xfree(((char *)p));
diff --git a/generic/Handle.cpp b/generic/Handle.cpp
index e95a28a..4e318c6 100644
--- a/generic/Handle.cpp
+++ b/generic/Handle.cpp
@@ -30,6 +30,10 @@ int Handle::GetHandle() {
     return h;
 }
 
+int Handle::GetHandle() const {
+    return h;
+}
+
 ssize_t Handle::write(const void *buf, size_t count) throw (GeneralException) {
     ssize_t r, tr = 0;
     bool done, full = false;
@@ -96,11 +100,11 @@ ssize_t Handle::read(void *buf, size_t count) throw (GeneralException) {
     return r;
 }
 
-bool Handle::IsClosed(void) {
+bool Handle::IsClosed(void) const {
     return closed;
 }
 
-bool Handle::IsNonBlock(void) {
+bool Handle::IsNonBlock(void) const {
     return nonblock;
 }
 
@@ -177,27 +181,27 @@ void Handle::close() throw (GeneralException) {
     closed = 1;
 }
 
-bool Handle::CanRead(void) {
+bool Handle::CanRead(void) const {
     return false;
 }
 
-bool Handle::CanWrite(void) {
+bool Handle::CanWrite(void) const {
     return false;
 }
 
-String Handle::GetName(void) {
+String Handle::GetName(void) const {
     return _("Bare Handle - should not happend");
 }
 
-ssize_t Handle::GetSize(void) {
+ssize_t Handle::GetSize(void) const {
     return -1;
 }
 
-time_t Handle::GetModif(void) {
+time_t Handle::GetModif(void) const {
     return -1;
 }
 
-bool Handle::CanWatch(void) {
+bool Handle::CanWatch(void) const {
     return true;
 }
 
@@ -241,7 +245,11 @@ ssize_t Handle::uwrite(const void * buf, size_t count) throw (GeneralException)
     if (z) {
 	itell += count;
 //	cerr << "Performing gzwrite of " << count << " byte for handle " << h << endl;
+#ifdef HAVE_CLEAN_ZLIB
 	int err = gzwrite(zfile, buf, count);
+#else
+	int err = gzwrite(zfile, (char *) buf, count);
+#endif
 //	cerr << "gzwrite returned " << err << endl;
 	if (err == 0) {
 	    const char * m = gzerror(zfile, &err);
@@ -286,11 +294,11 @@ ssize_t Handle::uread(void * buf, size_t count) {
     }
 }
 
-off_t Handle::tell() {
+off_t Handle::tell() const {
     return itell;
 }
 
-bool Handle::CanSeek() {
+bool Handle::CanSeek() const {
     return 0;
 }
 
diff --git a/generic/Image.cpp b/generic/Image.cpp
index 1270a6a..b8396b1 100644
--- a/generic/Image.cpp
+++ b/generic/Image.cpp
@@ -13,11 +13,11 @@ Image::~Image() {
     free((void *)img);
 }
 
-bool Image::CanWrite() {
+bool Image::CanWrite() const {
     return false;
 }
 
-String Image::GetName() {
+String Image::GetName() const {
     return String(_("Image ")) + x + "x" + y;
 }
 
@@ -27,7 +27,7 @@ void Image::Fill(Color c) {
     }
 }
 
-Color Image::GetPixel(unsigned int px, unsigned int py) {
+Color Image::GetPixel(unsigned int px, unsigned int py) const {
     if ((px >= x) || (py >= y)) {
 	return Color(0, 0, 0, 0);
     }
diff --git a/generic/Input.cpp b/generic/Input.cpp
index d415279..69d28e7 100644
--- a/generic/Input.cpp
+++ b/generic/Input.cpp
@@ -38,15 +38,15 @@ Input::Input(const String & no) throw (GeneralException) :
 Input::Input(const Input & i) : Handle(i), n(i.n), size(i.size), date_modif(i.date_modif) {
 }
 
-bool Input::CanWrite() {
+bool Input::CanWrite() const {
     return 0;
 }
 
-bool Input::CanRead() {
+bool Input::CanRead() const {
     return 1;
 }
 
-bool Input::CanSeek() {
+bool Input::CanSeek() const {
     struct stat s;
     
     fstat(GetHandle(), &s);
@@ -54,15 +54,15 @@ bool Input::CanSeek() {
     return S_ISREG(s.st_mode);
 }
 
-String Input::GetName() {
+String Input::GetName() const {
     return n;
 }
 
-ssize_t Input::GetSize() {
+ssize_t Input::GetSize() const {
     return size;
 }
 
-time_t Input::GetModif() {
+time_t Input::GetModif() const {
     return date_modif;
 }
 
@@ -80,11 +80,11 @@ off_t Input::seek(off_t offset, int whence) throw (GeneralException) {
 
 Stdin_t::Stdin_t() { }
 
-bool Stdin_t::CanSeek() {
+bool Stdin_t::CanSeek() const {
     return 0;
 }
 
-String Stdin_t::GetName() {
+String Stdin_t::GetName() const {
     return "Stdin";
 }
 
diff --git a/generic/Makefile b/generic/Makefile
index 7107501..1e2b047 100755
--- a/generic/Makefile
+++ b/generic/Makefile
@@ -1,10 +1,11 @@
 #!/usr/bin/make -f
 
-CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -I../includes -DPARANOID_SEEK -DHAVE_ZLIB `pkg-config --cflags glib-2.0`
+CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -I../includes -DPARANOID_SEEK -DHAVE_ZLIB
+#`pkg-config --cflags glib-2.0`
 CXX=g++
 CC=gcc
 
-OBJECTS = Buffer.o Exceptions.o Handle.o Image.o Input.o Output.o generic.o String.o checkargs.o datecalc.o
+OBJECTS = Buffer.o Exceptions.o Handle.o Image.o Input.o Output.o Main.o generic.o String.o checkargs.o datecalc.o
 TARGET = generic.a
 
 all: ${TARGET} Makefile
diff --git a/generic/Output.cpp b/generic/Output.cpp
index 55ab158..b072236 100644
--- a/generic/Output.cpp
+++ b/generic/Output.cpp
@@ -14,7 +14,7 @@
 #endif
 
 Output::Output(String no, int create, int trunc) throw (GeneralException) :
-    Handle(no.strlen() ? open(no.to_charp(), O_WRONLY | (O_CREAT * (create ? 1 : 0)) | (trunc ? O_TRUNC : O_APPEND)
+    Handle(no.strlen() ? open(no.to_charp(), O_WRONLY | (O_CREAT * (create ? 1 : 0)) | (O_TRUNC * (trunc ? 1 : 0))
 #if defined __linux__ || defined __CYGWIN32__
 , 00666
 #endif
@@ -37,15 +37,15 @@ Output::Output(String no, int create, int trunc) throw (GeneralException) :
 Output::Output(const Output & o) : Handle(o), n(o.n) {
 }
 
-bool Output::CanWrite() {
+bool Output::CanWrite() const {
     return 1;
 }
 
-bool Output::CanRead() {
+bool Output::CanRead() const {
     return 0;
 }
 
-bool Output::CanSeek() {
+bool Output::CanSeek() const {
     struct stat s;
 
     fstat(GetHandle(), &s);
@@ -65,35 +65,35 @@ off_t Output::seek(off_t offset, int whence) throw (GeneralException) {
     return itell;
 }
 
-String Output::GetName() {
+String Output::GetName() const {
     return n;
 }
 
 Stdout_t::Stdout_t() {}
 
-bool Stdout_t::CanSeek() {
+bool Stdout_t::CanSeek() const {
     return 0;
 }
 
-String Stdout_t::GetName() {
+String Stdout_t::GetName() const {
     return "Stdout";
 }
 
 Stderr_t::Stderr_t() : Handle(dup(2)) {}
 
-bool Stderr_t::CanWrite() {
+bool Stderr_t::CanWrite() const {
     return 1;
 }
 
-bool Stderr_t::CanRead() {
+bool Stderr_t::CanRead() const {
     return 0;
 }
 
-bool Stderr_t::CanSeek() {
+bool Stderr_t::CanSeek() const {
     return 0;
 }
 
-String Stderr_t::GetName() {
+String Stderr_t::GetName() const {
     return "Stderr";
 }
 
diff --git a/generic/String.cpp b/generic/String.cpp
index 24961c5..d879308 100644
--- a/generic/String.cpp
+++ b/generic/String.cpp
@@ -1,6 +1,7 @@
 #include <iostream>
 #include <string.h>
 #include <stdarg.h>
+#include <ctype.h>
 #include "String.h"
 #include "Exceptions.h"
 #ifdef HAVE_CONFIG_H
@@ -27,14 +28,13 @@ String::String(char c) : siz(1) {
     str = t;
 }
 
-#if 0
 String::String(const char * s) : str(Base::strdup(s)), siz(::strlen(str)) {
 #ifdef DEBUG
     fprintf(stderr, "Creating a string with `%s' at %p\n", str, str);
 #endif
 }
-#endif
 
+#if 0
 String::String(const char * s, ...) {
     va_list ap;
 
@@ -42,14 +42,13 @@ String::String(const char * s, ...) {
     fprintf(stderr, "Creating a String with s = '%s'\n", s);
 #endif
     
-/* This causes a warning: cannot pass objects of type `const String' through `...'
-   but it is not really a problem. */
     va_start(ap, s);
     vsnprintf(t, BUFSIZ, s, ap);
     str = Base::strdup(t);
     va_end(ap);
     siz = ::strlen(str);
 }
+#endif
 
 String::String(int hs, const char * s) : str(s ? Base::strdup(s) : Base::strdup("")), siz(hs) { }
 
@@ -389,3 +388,19 @@ bool String::is_time(void) const {
 String operator+(const char * a, const String & b) {
     return String(a) + b;
 }
+
+String & String::toupper() {
+    for (int i = 0; i < strlen(); i++) {
+	str[i] = ::toupper(str[i]);
+    }
+    
+    return *this;
+}
+
+String & String::tolower() {
+    for (int i = 0; i < strlen(); i++) {
+	str[i] = ::tolower(str[i]);
+    }
+    
+    return *this;
+}
diff --git a/includes/Buffer.h b/includes/Buffer.h
index 79d0e02..dc4d768 100644
--- a/includes/Buffer.h
+++ b/includes/Buffer.h
@@ -17,12 +17,12 @@ class Buffer : public Handle {
       virtual ~Buffer();
     virtual ssize_t write(const void *buf, size_t count) throw(GeneralException);
     virtual ssize_t read(void *buf, size_t count) throw (GeneralException);
-    virtual bool CanRead();
-    virtual bool CanWrite();
-    virtual String GetName();
+    virtual bool CanRead() const;
+    virtual bool CanWrite() const;
+    virtual String GetName() const;
     virtual Buffer operator=(const Buffer &);
-    virtual bool CanWatch();
-    virtual ssize_t GetSize();
+    virtual bool CanWatch() const;
+    virtual ssize_t GetSize() const;
     char operator[](size_t) const;
     char & operator[](size_t);
 
diff --git a/includes/Exceptions.h b/includes/Exceptions.h
index ef697e7..49be085 100644
--- a/includes/Exceptions.h
+++ b/includes/Exceptions.h
@@ -21,6 +21,7 @@ class Base {
     void operator delete(void * p);
     static void free(void *& p);
     static void free(char *& p);
+    static void free(unsigned char *& p);
     static int pipe(int * p, int flag = 0);
     static pid_t fork();
 };
@@ -32,7 +33,7 @@ class GeneralException : public Base {
       GeneralException(String);
       GeneralException(const GeneralException &);
       ~GeneralException();
-    char * GetMsg();
+    const char * GetMsg() const;
 
   protected:
       GeneralException();
@@ -44,6 +45,7 @@ char * xstrdup(const char *);
 void * xmalloc(size_t) throw (GeneralException);
 void xfree(void *&);
 void xfree(char *&);
+void xfree(unsigned char *&);
 void * xrealloc(void *, size_t);
 int xpipe(int *, int = 0) throw (GeneralException);
 pid_t xfork() throw (GeneralException);
@@ -84,6 +86,10 @@ INLINE void Base::free(char *& p) {
     xfree(p);
 }
 
+INLINE void Base::free(unsigned char *& p) {
+    xfree(p);
+}
+
 INLINE int Base::pipe(int * p, int flag) {
     return xpipe(p, flag);
 }
@@ -129,6 +135,14 @@ class TaskSwitch : public GeneralException {
       TaskSwitch();
 };
 
+class Exit : public GeneralException {
+  public:
+      Exit(int);
+      int GetCode();
+  private:
+    int code;
+};
+
 #include <String.h>
 
 #else
diff --git a/includes/Handle.h b/includes/Handle.h
index 4bab879..a82aa52 100644
--- a/includes/Handle.h
+++ b/includes/Handle.h
@@ -19,26 +19,27 @@ class Handle : public Base {
       virtual ~Handle();
     virtual ssize_t read(void *buf, size_t count) throw (GeneralException);
     virtual ssize_t write(const void *buf, size_t count) throw (GeneralException);
-    bool IsClosed(void);
-    bool IsNonBlock(void);
+    bool IsClosed(void) const;
+    bool IsNonBlock(void) const;
     void SetNonBlock(void);
-    virtual bool CanRead();
-    virtual bool CanWrite();
-    virtual bool CanSeek();
+    virtual bool CanRead() const;
+    virtual bool CanWrite() const;
+    virtual bool CanSeek() const;
     virtual off_t seek(off_t, int = SEEK_SET) throw (GeneralException);
-    virtual off_t tell();
-    virtual String GetName();
-    virtual ssize_t GetSize();
-    virtual time_t GetModif();
+    virtual off_t tell() const;
+    virtual String GetName() const;
+    virtual ssize_t GetSize() const;
+    virtual time_t GetModif() const;
     void close() throw (GeneralException);
     int GetHandle();
-    virtual bool CanWatch();
+    virtual bool CanWatch() const;
     virtual void Dup(const Handle &);
 #ifdef HAVE_ZLIB
     virtual void SetZ(int) throw (GeneralException);
 #endif
   protected:
       Handle(int h);
+    int GetHandle() const;
     off_t itell;
   private:
     ssize_t uwrite(const void *, size_t) throw (GeneralException);
diff --git a/includes/Image.h b/includes/Image.h
index fc94a12..09b4cb5 100644
--- a/includes/Image.h
+++ b/includes/Image.h
@@ -19,12 +19,12 @@ class Image : public Buffer {
   public:
       Image(unsigned int, unsigned int);
       virtual ~Image();
-    Color GetPixel(unsigned int, unsigned int);
+    Color GetPixel(unsigned int, unsigned int) const;
     void SetPixel(unsigned int, unsigned int, Color);
     bool Prepare(unsigned int = FORMAT_TGA_BASIC);
     void Fill(Color = Color(0, 0, 0));
-    virtual String GetName();
-    virtual bool CanWrite();
+    virtual String GetName() const;
+    virtual bool CanWrite() const;
     
   private:
     typedef unsigned char Byte;
diff --git a/includes/Input.h b/includes/Input.h
index d1755e7..1fb48c3 100644
--- a/includes/Input.h
+++ b/includes/Input.h
@@ -12,13 +12,13 @@ class Input : public Handle {
       Input(const String & = "") throw (GeneralException);
       Input(const Input &);
       virtual ~Input() {}
-    virtual bool CanWrite();
-    virtual bool CanRead();
-    virtual bool CanSeek();
+    virtual bool CanWrite() const;
+    virtual bool CanRead() const;
+    virtual bool CanSeek() const;
     virtual off_t seek(off_t, int) throw (GeneralException);
-    virtual String GetName();
-    virtual ssize_t GetSize();
-    virtual time_t GetModif();
+    virtual String GetName() const;
+    virtual ssize_t GetSize() const;
+    virtual time_t GetModif() const;
 
   protected:
     String n;
@@ -30,8 +30,8 @@ class Stdin_t : public Input {
   public:
       Stdin_t();
       virtual ~Stdin_t() {}
-    virtual bool CanSeek();
-    virtual String GetName();
+    virtual bool CanSeek() const;
+    virtual String GetName() const;
 };
 
 extern Stdin_t Stdin;
diff --git a/includes/Output.h b/includes/Output.h
index bce4160..3ec5158 100644
--- a/includes/Output.h
+++ b/includes/Output.h
@@ -12,11 +12,11 @@ class Output : public Handle {
       Output(String = "", int create = 1, int trunc = 1) throw (GeneralException);
       Output(const Output &);
       virtual ~Output() {}
-    virtual bool CanWrite();
-    virtual bool CanRead();
-    virtual bool CanSeek();
+    virtual bool CanWrite() const;
+    virtual bool CanRead() const;
+    virtual bool CanSeek() const;
     virtual off_t seek(off_t, int) throw (GeneralException);
-    virtual String GetName();
+    virtual String GetName() const;
 
   protected:
     String n;
@@ -28,18 +28,18 @@ class Stdout_t : public Output {
   public:
       Stdout_t();
       virtual ~Stdout_t() {}
-    virtual bool CanSeek();
-    virtual String GetName();
+    virtual bool CanSeek() const;
+    virtual String GetName() const;
 };
 
 class Stderr_t : public Handle {
   public:
       Stderr_t();
       virtual ~Stderr_t() {}
-    virtual bool CanWrite();
-    virtual bool CanRead();
-    virtual bool CanSeek();
-    virtual String GetName();
+    virtual bool CanWrite() const;
+    virtual bool CanRead() const;
+    virtual bool CanSeek() const;
+    virtual String GetName() const;
 };
 
 extern Stdout_t Stdout;
diff --git a/includes/String.h b/includes/String.h
index ea501b2..7e2f848 100644
--- a/includes/String.h
+++ b/includes/String.h
@@ -9,10 +9,10 @@
 class String : public Base {
   public:
       String(const String &);
-#if 0
       String(const char * = "");
-#endif
+#if 0
       String(const char * = "", ...);
+#endif
       String(char);
       String(int);
       String(unsigned int);
@@ -53,6 +53,8 @@ class String : public Base {
     bool operator<(const String &) const;
     bool operator>(const String &) const;
     char operator[](size_t i) const;
+    String & toupper();
+    String & tolower();
 
   private:
       String(int hs, const char *);
diff --git a/includes/cdreader.h b/includes/cdreader.h
index 3991225..ed3bc00 100644
--- a/includes/cdreader.h
+++ b/includes/cdreader.h
@@ -12,17 +12,17 @@ class cdreader : public Handle {
       cdreader(const String & = "/dev/cdrom") throw (GeneralException);
       cdreader(const cdreader &);
       virtual ~cdreader() {}
-    virtual bool CanWrite();
-    virtual bool CanRead();
-    virtual bool CanSeek();
+    virtual bool CanWrite() const;
+    virtual bool CanRead() const;
+    virtual bool CanSeek() const;
     virtual ssize_t read(void *buf, size_t count) throw (GeneralException);                                                     
     virtual off_t seek(off_t, int) throw (GeneralException);
-    virtual String GetName();
-    virtual ssize_t GetSize();
+    virtual String GetName() const;
+    virtual ssize_t GetSize() const;
     virtual void getsector(void *, int = -1) throw (GeneralException);
     virtual void sectorseek(int);
 
-  protected:
+  private:
     String n;
     int sector;
 };
diff --git a/includes/cdutils.h b/includes/cdutils.h
index e3cf8fb..38eb118 100644
--- a/includes/cdutils.h
+++ b/includes/cdutils.h
@@ -27,62 +27,77 @@
 
 #define GUESS 5
 
-struct DirEntry {
-    unsigned char R;
-    unsigned char NExt;
-    unsigned long Sector;
-    unsigned long BESector;
-    unsigned long Size;
-    unsigned long BESize;
-    unsigned char Year;
-    unsigned char Month;
-    unsigned char Day;
-    unsigned char Hour;
-    unsigned char Minute;
-    unsigned char Second;
-    unsigned char Offset;
-    unsigned char Flags;
-    unsigned char HandleUnit;
-    unsigned char HandleGap;
-    unsigned short VolSeq;
-    unsigned short BEVolSeq;
-    unsigned char N;
-    char id;
-} PACKED;
+extern const long sec_sizes[];
+extern const long sec_offsts[];
+extern const String sec_modes[];
 
-extern struct DirEntry rootDir;
+class cdutils : public Base {
+  public:
+      cdutils(Handle * f_iso_r, Handle * f_iso_w = 0);
+      virtual ~cdutils();
 
-extern long sec_sizes[];
-extern long sec_offsts[];
-extern String sec_modes[];
+    struct DirEntry {
+	unsigned char R;
+	unsigned char NExt;
+	unsigned long Sector;
+	unsigned long BESector;
+	unsigned long Size;
+	unsigned long BESize;
+	unsigned char Year;
+	unsigned char Month;
+	unsigned char Day;
+	unsigned char Hour;
+	unsigned char Minute;
+	unsigned char Second;
+	unsigned char Offset;
+	unsigned char Flags;
+	unsigned char HandleUnit;
+	unsigned char HandleGap;
+	unsigned short VolSeq;
+	unsigned short BEVolSeq;
+	unsigned char N;
+	char id;
+    } PACKED;
 
-Handle * open_ppf(String ppf, Handle * iso, String comment) throw(GeneralException);
-void close_ppf() throw(GeneralException);
-unsigned short int swap_word(unsigned short int i);
-unsigned long int swap_dword(unsigned long int i);
-int guess_type(Handle * f_iso, int number);
-void sector_seek(Handle * f_iso, long sector);
-long read_sector(Handle * f_iso, Byte * buffer, int type, int number = -1);
-void read_datas(Handle * f_iso, Byte * buffer, int type, int number, long size);
-void read_file(Handle * f_iso, Handle * Handle, int type, int number, long size);
-void write_sector(Handle * f_iso_r, Handle * f_iso_w, Byte * buffer, int type, int number = -1);
-void write_datas(Handle * f_iso_r, Handle * f_iso_w, Byte * buffer, int type, int number, long size);
-void write_file(Handle * f_iso_r, Handle * f_iso_w, Handle * Handle, int type, int number = -1);
-int get_iso_infos(Handle * h);
-int show_iso_infos(Handle * h);
-int get_pt_infos(Handle * h);
-int show_pt_infos(Handle * h);
-struct DirEntry find_path(Handle * h, String path);
-struct DirEntry find_parent(Handle * h, String path);
-void show_head_entry(void);
-int show_entry(struct DirEntry * dir);
-int show_dir(Handle * h, struct DirEntry * dir);
-struct DirEntry find_dir_entry(Handle * h, struct DirEntry * dir, String name);
-struct DirEntry * find_dir_entry(Handle * h, Byte ** buffer, struct DirEntry * dir, String name);
-unsigned char from_BCD(unsigned char x);
-unsigned char to_BCD(unsigned char x);
-int is_valid_BCD(unsigned char x);
-unsigned long from_MSF(unsigned long msf, unsigned long start = 150);
-unsigned long from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start = 150);
+
+    struct DirEntry rootDir;
+
+    Handle * open_ppf(String ppf, String comment) throw(GeneralException);
+    void close_ppf() throw(GeneralException);
+    void set_iso_w(Handle *);
+    unsigned short int swap_word(unsigned short int i);
+    unsigned long int swap_dword(unsigned long int i);
+    int guess_type(int number = -1);
+    void sector_seek(long sector);
+    long read_sector(Byte * buffer, int type, int number = -1);
+    void read_datas(Byte * buffer, int type, int number, long size);
+    void read_file(Handle * Handle, int type, int number, long size);
+    void write_sector(Byte * buffer, int type, int number = -1);
+    void write_datas(Byte * buffer, int type, int number, long size);
+    void write_file(Handle * Handle, int type, int number = -1);
+    int get_iso_infos();
+    int show_iso_infos();
+    int get_pt_infos();
+    int show_pt_infos();
+    struct DirEntry find_path(String path);
+    struct DirEntry find_parent(String path);
+    void show_head_entry(void);
+    int show_entry(struct DirEntry * dir);
+    int show_dir(struct DirEntry * dir);
+    struct DirEntry find_dir_entry(struct DirEntry * dir, String name);
+    struct DirEntry * find_dir_entry(Byte ** buffer, struct DirEntry * dir, String name);
+    unsigned char from_BCD(unsigned char x);
+    unsigned char to_BCD(unsigned char x);
+    int is_valid_BCD(unsigned char x);
+    unsigned long from_MSF(unsigned long msf, unsigned long start = 150);
+    unsigned long from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start = 150);
+  private:
+    void write_ppf(Byte * old_sec, Byte * new_sec, int sec_num);
+    String format_date(String input);
+    yazedc yazedc_o;
+    
+    Handle * f_iso_r, * f_iso_w, * ppf_file;
+    int pt1, pt2, snum, ptl, root;
+};
 
 #endif
diff --git a/includes/generic.h b/includes/generic.h
index 168c9d3..62a9942 100644
--- a/includes/generic.h
+++ b/includes/generic.h
@@ -79,6 +79,8 @@ typedef Uint32 DWord;
 
 #if defined __linux__ || defined __CYGWIN32__
 #define PACKED __attribute__((packed))
+#else
+#define PACKED
 #endif
 
 extern char verbosity;
diff --git a/includes/lzss.h b/includes/lzss.h
index 5bfa68a..17f4806 100644
--- a/includes/lzss.h
+++ b/includes/lzss.h
@@ -24,41 +24,57 @@
 #include "generic.h"
 #include "Handle.h"
 
-#define LZSS_VERSION "3.0.0-pre1"
-#define LZSS_NAME "lzss"
+#define LZSS_VERSION String("3.0.0-pre1")
+#define LZSS_NAME String("lzss")
 
-typedef struct {
-    char * name;
-    int one_is_compressed, bitmap_inversed, one_jump, overlap_trick, negative_trick, sixteen_bits, ptrb, filling;
-    int window_start;
-    int l_mask_1, l_shft_1, l_mask_2, l_shft_2;
-    int j_mask_1, j_shft_1, j_mask_2, j_shft_2;
-    int f_mask_1, f_shft_1, f_mask_2, f_shft_2;
-    int v_mask_1, v_shft_1, v_mask_2, v_shft_2;
-} scheme_t;
+class lzss : public Base {
+  public:
+      lzss();
+    typedef struct {
+	char * name;
+	int one_is_compressed, bitmap_inversed, one_jump, overlap_trick, negative_trick, sixteen_bits, ptrb, filling;
+	int window_start;
+	int l_mask_1, l_shft_1, l_mask_2, l_shft_2;
+	int j_mask_1, j_shft_1, j_mask_2, j_shft_2;
+	int f_mask_1, f_shft_1, f_mask_2, f_shft_2;
+	int v_mask_1, v_shft_1, v_mask_2, v_shft_2;
+    } scheme_t;
 
-enum {
-    XENO = 0,
-    DBZ,
-    FF7,
-    LM,
-    MM,
-    OB,
-    LODOSS,
-    FF6,
-    VP_1,
-    VP_2,
-    END
-};
+    enum {
+	XENO = 0,
+	DBZ,
+	FF7,
+	LM,
+	MM,
+	OB,
+	LODOSS,
+	FF6,
+	VP_1,
+	VP_2,
+	END
+    };
 
-extern scheme_t scheme, schemes[];
+    static const scheme_t schemes[];
+    int tolerate, blockb;
+    long blk, bitmap_count;
 
-extern int tolerate, blockb;
-extern long blk, bitmap_count;
+    unsigned long lzss_decomp(Handle * f_source, Handle * f_cible, long true_length = -1);
+    void lzss_comp(Handle * f_source, Handle * f_cible, long * delta = NULL);
 
-unsigned long lzss_decomp(Handle * f_source, Handle * f_cible, long true_length = -1);
-void lzss_comp(Handle * f_source, Handle * f_cible, long * delta = NULL);
+    Byte swap_bits(Byte);
+    
+    void change_scheme(scheme_t);
+    scheme_t get_scheme();
 
-char swap_bits(char);
+  private:
+    scheme_t scheme;
+    int lzss_maxsize, lzss_maxptr;
+    
+    unsigned int shift(unsigned int, int);
+    void compute_limits(void);
+    unsigned char lzss_rd(unsigned char *, long);
+    long lzss_comp_strstr(unsigned char *, unsigned char *, long *, long);
+    unsigned char * lzss_memcomp(unsigned char *, long *, long *);
+};
 
 #endif
diff --git a/includes/yazedc.h b/includes/yazedc.h
index b990d3e..298c0eb 100644
--- a/includes/yazedc.h
+++ b/includes/yazedc.h
@@ -22,6 +22,8 @@
 
 #ifndef __YAZEDC_H__
 
+#include "Exceptions.h"
+
 #define RS_L12_BITS 8
 
 /* audio sector definitions for CIRC */
@@ -32,17 +34,6 @@
 #define L1_Q   4
 #define L1_P   4
 
-/* audio sector Cross Interleaved Reed-Solomon Code (CIRC) encoder (layer 1) */
-/* adds P- and Q- parity information to audio (f2) frames. Also
-   optionally handles the various delays and permutations. The output with all
-   stages enabled can be fed into the Eight-Fourteen-Modulator.
-   On input: 2352 bytes of audio data is given.
-   On output: 3136 bytes of CIRC enriched audio data are returned.
- */
-int do_encode_L1(unsigned char in[L1_RAW*FRAMES_PER_SECTOR],
-		unsigned char out[(L1_RAW+L1_Q+L1_P)*FRAMES_PER_SECTOR],
-		int delay1, int delay2, int delay3, int scramble);
-
 /* data sector definitions for RSPC */
 /* user data bytes per frame */
 #define L2_RAW (1024*2)
@@ -57,14 +48,25 @@ int do_encode_L1(unsigned char in[L1_RAW*FRAMES_PER_SECTOR],
 #define MODE_2_FORM_1	3
 #define MODE_2_FORM_2	4
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+/* r-w sub channel definitions */
+#define RS_SUB_RW_BITS 6
+
+#define PACKETS_PER_SUBCHANNELFRAME 4
+#define LSUB_RAW 18
+#define LSUB_QRAW 2
+/* 6 bit */
+#define LSUB_Q 2
+#define LSUB_P 4
+
+class yazedc : public Base {
+
+  public:
+      yazedc();
 
 /* set one of the MODE_* constants for subsequent data sector formatting */
-int set_sector_type(int st);
+    int set_sector_type(int st);
 /* get the current sector type setting for data sector formatting */
-int get_sector_type(void);
+    int get_sector_type(void);
 
 /* data sector layer 2 Reed-Solomon Product Code encoder */
 /* encode the given data portion depending on sector type (see
@@ -88,55 +90,18 @@ int get_sector_type(void);
                     in the inout array.
                     Sync-, header- and edc- fields will be added.
 */
-int do_encode_L2(unsigned char *inout, int sectortype, unsigned address);
-int decode_L2_Q(unsigned char inout[4 + L2_RAW + 12 + L2_Q]);
-int decode_L2_P(unsigned char inout[4 + L2_RAW + 12 + L2_Q + L2_P]);
-unsigned long int build_edc(unsigned char inout[], int from, int upto);
+    int do_encode_L2(unsigned char *inout, int sectortype, unsigned address);
 
 /* generates f2 frames from otherwise fully formatted sectors (generated by
    do_encode_L2()). */
-int scramble_L2(unsigned char *inout);
+    int scramble_L2(unsigned char *inout);
 
-#ifdef __cplusplus
-}
-#endif
-
-/* r-w sub channel definitions */
-#define RS_SUB_RW_BITS 6
+    unsigned char minute, second, frame;
 
-#define PACKETS_PER_SUBCHANNELFRAME 4
-#define LSUB_RAW 18
-#define LSUB_QRAW 2
-/* 6 bit */
-#define LSUB_Q 2
-#define LSUB_P 4
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* R-W subchannel encoder */
-/* On input: 72 bytes packed user data, four frames with each 18 bytes.
-   On output: per frame: 2 bytes user data, 2 bytes Q parity, 
-                         16 bytes user data, 4 bytes P parity.
-   Options:
-     delay1: use low level delay line
-     scramble: perform low level permutations
- */
-int do_encode_sub(unsigned char in[LSUB_RAW*PACKETS_PER_SUBCHANNELFRAME],
-		unsigned char out[(LSUB_RAW+LSUB_Q+LSUB_P)*PACKETS_PER_SUBCHANNELFRAME],
-		int delay1, int scramble);
-int do_decode_sub(unsigned char in[(LSUB_RAW+LSUB_Q+LSUB_P)*PACKETS_PER_SUBCHANNELFRAME],
-		unsigned char out[LSUB_RAW*PACKETS_PER_SUBCHANNELFRAME],
-		int delay1, int scramble);
-
-int decode_LSUB_Q(unsigned char inout[LSUB_QRAW + LSUB_Q]);
-int decode_LSUB_P(unsigned char inout[LSUB_RAW + LSUB_Q + LSUB_P]);
-
-#ifdef __cplusplus
-}
-#endif
+  private:
+    int sectortype;
+    int build_address(unsigned char inout[], int sectortype, unsigned address);
 
-extern unsigned char minute, second, frame;
+};
 
 #endif
diff --git a/lib/Makefile b/lib/Makefile
index 101a91e..79aae21 100755
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,7 +3,7 @@
 CPPFLAGS=-Wall -g -O3 -mcpu=i686 -Werror -I../includes -DHAVE_ZLIB
 CXX=g++
 
-OBJECTS = cdutils.o lzss.o yazedc.o dteutils.o cdreader.o
+OBJECTS = cdutils.o lzss.o yazedc.o dteutils.o cdreader.o cdabstract.o
 TARGET = lib.a
 
 all: ${TARGET}
diff --git a/lib/cdreader.cpp b/lib/cdreader.cpp
index 3459f11..77b14f9 100644
--- a/lib/cdreader.cpp
+++ b/lib/cdreader.cpp
@@ -14,23 +14,23 @@
 #define _(x) x
 #endif
 
-bool cdreader::CanWrite() {
+bool cdreader::CanWrite() const {
     return 0;
 }
 
-bool cdreader::CanRead() {
+bool cdreader::CanRead() const {
     return 1;
 }
 
-bool cdreader::CanSeek() {
+bool cdreader::CanSeek() const {
     return 1;
 }
 
-String cdreader::GetName() {
+String cdreader::GetName() const {
     return n + " raw reading";
 }
 
-ssize_t cdreader::GetSize() {
+ssize_t cdreader::GetSize() const {
     return -1;
 }
 
diff --git a/lib/cdutils.cpp b/lib/cdutils.cpp
index 1049535..0f7aa76 100644
--- a/lib/cdutils.cpp
+++ b/lib/cdutils.cpp
@@ -26,32 +26,34 @@
 #include "cdutils.h"
 #include "Output.h"
 
-Output * ppf_file = 0;
-int pt1 = -1, pt2 = -1, snum = 0, ptl = 0, root = 0;
+const long sec_sizes[6] =  {0, 2048, 2336, 2048, 2324, 2352};
+const long sec_offsts[6] = {0,   16,   16,   24,   24, 0};
+const String sec_modes[6] = {"MODE 0 (empty)", "MODE 1", "MODE 2", "MODE 2 FORM 1", "MODE 2 FORM 2", "Autodetect"};
 
-long sec_sizes[5] =  {0, 2048, 2336, 2048, 2324};
-long sec_offsts[5] = {0,   16,   16,   24,   24};
-String sec_modes[5] = {"MODE 0 (no mode)", "MODE 1", "MODE 2", "MODE 2 FORM 1", "MODE 2 FORM 2"};
+cdutils::cdutils(Handle * r, Handle * w) : f_iso_r(r), f_iso_w(w), ppf_file(0), pt1(-1), pt2(-1), snum(0), ptl(0), root(0) {}
 
-struct DirEntry rootDir;
+cdutils::~cdutils() {
+    if (ppf_file)
+	delete ppf_file;
+}
 
-unsigned char from_BCD(unsigned char x) {
+unsigned char cdutils::from_BCD(unsigned char x) {
     return ((x & 0xf) + ((x & 0xf0) >> 4) * 10);
 }
 
-unsigned char to_BCD(unsigned char x) {
+unsigned char cdutils::to_BCD(unsigned char x) {
     return ((x / 10) << 4) | (x % 10);
 }
 
-int is_valid_BCD(unsigned char x) {
+int cdutils::is_valid_BCD(unsigned char x) {
     return (((x & 15) < 10) && ((x >> 4) < 10));
 }
 
-unsigned long from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start) {
+unsigned long cdutils::from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start) {
     return (from_BCD(m) * 60 + from_BCD(s)) * 75 + from_BCD(f) - start;
 }
 
-unsigned long from_MSF(unsigned long msf, unsigned long start) {
+unsigned long cdutils::from_MSF(unsigned long msf, unsigned long start) {
     unsigned char
     f = msf & 0xff,
     s = (msf >> 8) & 0xff,
@@ -60,9 +62,8 @@ unsigned long from_MSF(unsigned long msf, unsigned long start) {
     return from_MSF(m, s, f, start);
 }
 
-Handle * open_ppf(String ppf, Handle * iso, String comment) throw (GeneralException) {
+Handle * cdutils::open_ppf(String ppf, String comment) throw (GeneralException) {
     int i, l;
-    Byte buffer[1024];
 
     if (ppf_file)
 	throw GeneralException("Tried to open_ppf() while already opened.");
@@ -80,16 +81,15 @@ Handle * open_ppf(String ppf, Handle * iso, String comment) throw (GeneralExcept
 	}
     }
     
-    l = iso->GetSize();
+    l = f_iso_r->GetSize();
     ppf_file->write(&l, sizeof(l));
     
-    iso->seek(0x9320, SEEK_SET);
-    iso->read(buffer, 1024);
-    ppf_file->write(buffer, 1024);
+    f_iso_r->seek(0x9320, SEEK_SET);
+    copy(f_iso_r, ppf_file, 1024);
     return ppf_file;
 }
 
-void write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
+void cdutils::write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
     int i, l = 0, o;
     
     for (i = 0; i < 2352; i++) {
@@ -114,7 +114,7 @@ void write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
     }
 }
 
-void close_ppf() throw (GeneralException) {
+void cdutils::close_ppf() throw (GeneralException) {
     if (ppf_file) {
 	delete ppf_file;
 	ppf_file = 0;
@@ -123,7 +123,12 @@ void close_ppf() throw (GeneralException) {
     }
 }
 
-String format_date(String input) {
+void cdutils::set_iso_w(Handle * w) {
+    if (!f_iso_w)
+	f_iso_w = w;
+}
+
+String cdutils::format_date(String input) {
     String output;
     
     output  = input.extract(6, 7) + '/';
@@ -137,23 +142,23 @@ String format_date(String input) {
     return output;
 }
 
-Uint16 swap_word(Uint16 i) {
+Uint16 cdutils::swap_word(Uint16 i) {
     return (i >> 8) | (i << 8);
 }
 
-Uint32 swap_dword(Uint32 i) {
+Uint32 cdutils::swap_dword(Uint32 i) {
     return (i >> 24) | ((i >> 8) & 0x0000ff00) | ((i << 8) & 0x00ff0000) | (i << 24);
 }
 
-int guess_type(Handle * f_iso, int number) {
+int cdutils::guess_type(int number) {
     Byte header[24];
     
     if (number >= 0) {
-	sector_seek(f_iso, number);
+	sector_seek(number);
     }
     
-    f_iso->read(header, 24);
-    f_iso->seek(-24, SEEK_CUR);
+    f_iso_r->read(header, 24);
+    f_iso_r->seek(-24, SEEK_CUR);
     if (header[15] == 1) {
 	return MODE_1;
     } else if (header[15] == 2) {
@@ -172,136 +177,137 @@ int guess_type(Handle * f_iso, int number) {
     return MODE_0;
 }
 
-void sector_seek(Handle * f_iso, long sector) {
-    f_iso->seek(2352 * sector);
+void cdutils::sector_seek(long sector) {
+    f_iso_r->seek(2352 * sector);
+    if (f_iso_w)
+        f_iso_w->seek(2352 * sector);
 }
 
-long read_sector(Handle * f_iso, Byte * buffer, int type, int number) {
+long cdutils::read_sector(Byte * buffer, int type, int number) {
     if (number >= 0) {
-	sector_seek(f_iso, number);
+	sector_seek(number);
     }
     
     if (type == GUESS) {
-	type = guess_type(f_iso, number);
+	type = guess_type();
     }
     
-    f_iso->seek(sec_offsts[type], SEEK_CUR);
-    f_iso->read(buffer, sec_sizes[type]);
-    f_iso->seek(2352 - sec_offsts[type] - sec_sizes[type], SEEK_CUR);
+    f_iso_r->seek(sec_offsts[type], SEEK_CUR);
+    f_iso_r->read(buffer, sec_sizes[type]);
+    f_iso_r->seek(2352 - sec_offsts[type] - sec_sizes[type], SEEK_CUR);
     return sec_sizes[type];
 }
 
-void read_datas(Handle * f_iso, Byte * buffer, int type, int number, long size) {
+void cdutils::read_datas(Byte * buffer, int type, int number, long size) {
     Byte sector[2352];
     int i, n, reste;
     
     if (type == GUESS) {
-	type = guess_type(f_iso, number);
+	type = guess_type(number);
     }
     
     n = size / sec_sizes[type];
     reste = size - n * sec_sizes[type];
     
-    sector_seek(f_iso, number);
+    sector_seek(number);
     for (i = 0; i < n; i++) {
-	read_sector(f_iso, buffer + i * sec_sizes[type], type);
+	read_sector(buffer + i * sec_sizes[type], type);
     }
     
     if (reste) {
-	read_sector(f_iso, sector, type);
+	read_sector(sector, type);
 	bcopy((char *) sector, (char *) (buffer + n * sec_sizes[type]), reste);
     }
 }
 
-void read_file(Handle * f_iso, Handle * file, int type, int number, long size) {
+void cdutils::read_file(Handle * file, int type, int number, long size) {
     Byte sector[2352];
     int i, n, reste;
     
     if (type == GUESS) {
-	type = guess_type(f_iso, number);
+	type = guess_type(number);
     }
     
     n = size / sec_sizes[type];
     reste = size - n * sec_sizes[type];
     
-    sector_seek(f_iso, number);
+    sector_seek(number);
     for (i = 0; i < n; i++) {
-	read_sector(f_iso, sector, type);
+	read_sector(sector, type);
 	file->write(sector, sec_sizes[type]);
     }
     
     if (reste) {
-	read_sector(f_iso, sector, type);
+	read_sector(sector, type);
 	file->write(sector, reste);
     }
 }
 
-void write_sector(Handle * f_iso_r, Handle * f_iso_w, Byte * buffer, int type, int number) {
+void cdutils::write_sector(Byte * buffer, int type, int number) {
     Byte old_sector[2352], new_sector[2352];
 
     if (type == GUESS) {
-	type = guess_type(f_iso_r, number);
+	type = guess_type(number);
     }
 
     if (number >= 0) {
-	sector_seek(f_iso_r, number);
-	sector_seek(f_iso_w, number);
+	sector_seek(number);
     }
     
     f_iso_r->read(old_sector, 2352);
     
-    minute = old_sector[12];
-    second = old_sector[13];
-    frame = old_sector[14];
+    yazedc_o.minute = old_sector[12];
+    yazedc_o.second = old_sector[13];
+    yazedc_o.frame = old_sector[14];
     
     bcopy((char *) old_sector, (char *) new_sector, 2532);
     bcopy((char *) buffer, (char *) new_sector + sec_offsts[type], sec_sizes[type]);
     
-    do_encode_L2(new_sector, type, 0);
-    if (!ppf_file) {
+    yazedc_o.do_encode_L2(new_sector, type, 0);
+    if (f_iso_w) {
 	f_iso_w->write(new_sector, 2352);
-    } else {
+    } else if (ppf_file) {
 	write_ppf(old_sector, new_sector, number);
+    } else {
+	printm(M_ERROR, "No writing method for iso file");
     }
 }
 
-void write_datas(Handle * f_iso_r, Handle * f_iso_w, Byte * buffer, int type, int number, long size) {
+void cdutils::write_datas(Byte * buffer, int type, int number, long size) {
     long nbsectors, i;
     unsigned char sector[2352];
 
     if (type == GUESS) {
-	type = guess_type(f_iso_r, number);
+	type = guess_type(number);
     }
 
     if (number >= 0) {
-	sector_seek(f_iso_r, number);
-	sector_seek(f_iso_w, number);
+	sector_seek(number);
     }
     
     nbsectors = size / sec_sizes[type];
     
     for (i = 0; i < nbsectors; i++) {
-	write_sector(f_iso_r, f_iso_w, buffer + i * sec_sizes[type], type, number + i);
+	write_sector(buffer + i * sec_sizes[type], type, number + i);
     }
 
     if (size % sec_sizes[type]) {
 	memset(sector, 0, 2352);
 	bcopy((char *) (buffer + i * sec_sizes[type]), (char *) sector, size % sec_sizes[type]);
-	write_sector(f_iso_r, f_iso_w, sector, type, number + i);
+	write_sector(sector, type, number + i);
     }
 }
 
-void write_file(Handle * f_iso_r, Handle * f_iso_w, Handle * file, int type, int number) {
+void cdutils::write_file(Handle * file, int type, int number) {
     long size, nbsectors, i;
     unsigned char buffer[2352];
     
     if (type == GUESS) {
-	type = guess_type(f_iso_r, number);
+	type = guess_type(number);
     }
 
     if (number >= 0) {
-	sector_seek(f_iso_r, number);
-	sector_seek(f_iso_w, number);
+	sector_seek(number);
     }
     
     size = file->GetSize();
@@ -314,15 +320,15 @@ void write_file(Handle * f_iso_r, Handle * f_iso_w, Handle * file, int type, int
     for (i = 0; i < nbsectors; i++) {
 	memset(buffer, 0, 2352);
 	file->read(buffer, sec_sizes[type]);
-	write_sector(f_iso_r, f_iso_w, buffer, type);
+	write_sector(buffer, type);
     }
 }
 
-void show_head_entry(void) {
+void cdutils::show_head_entry(void) {
     printm(M_BARE, "Sector -   Size   -   Date   -     Time     -   Flags  - Name\n");
 }
 
-int show_entry(struct DirEntry * dir) {
+int cdutils::show_entry(struct DirEntry * dir) {
     char pbuf[200];
     if (!dir->R) {
 	return 1;
@@ -338,7 +344,7 @@ int show_entry(struct DirEntry * dir) {
     return dir->R;
 }
 
-int show_dir(Handle * f_iso, struct DirEntry * dir) {
+int cdutils::show_dir(struct DirEntry * dir) {
     unsigned int ptr;
     Byte * buffer;
     
@@ -347,7 +353,7 @@ int show_dir(Handle * f_iso, struct DirEntry * dir) {
     }
     
     buffer = (Byte *) malloc(dir->Size);
-    read_datas(f_iso, buffer, GUESS, dir->Sector, dir->Size);
+    read_datas(buffer, GUESS, dir->Sector, dir->Size);
     
     ptr = 0;
     while(ptr < dir->Size) {
@@ -358,7 +364,7 @@ int show_dir(Handle * f_iso, struct DirEntry * dir) {
     return 1;
 }
 
-struct DirEntry find_dir_entry(Handle * f_iso, struct DirEntry * dir, String name) {
+struct cdutils::DirEntry cdutils::find_dir_entry(struct DirEntry * dir, String name) {
     unsigned int ptr, size;
     unsigned char * buffer;
     struct DirEntry r = {0, 0, 0, 0, 0};
@@ -368,7 +374,7 @@ struct DirEntry find_dir_entry(Handle * f_iso, struct DirEntry * dir, String nam
     }
     
     buffer = (unsigned char *) malloc(size = dir->Size);
-    read_datas(f_iso, buffer, GUESS, dir->Sector, dir->Size);
+    read_datas(buffer, GUESS, dir->Sector, dir->Size);
     
     ptr = 0;
     while(ptr < size) {
@@ -387,7 +393,7 @@ struct DirEntry find_dir_entry(Handle * f_iso, struct DirEntry * dir, String nam
     return r;
 }
 
-struct DirEntry * find_dir_entry(Handle * f_iso, Byte ** bufout, struct DirEntry * dir, String name) {
+struct cdutils::DirEntry * cdutils::find_dir_entry(Byte ** bufout, struct cdutils::DirEntry * dir, String name) {
     unsigned int ptr, size;
     Byte * buffer;
     struct DirEntry * rdir = 0;
@@ -398,7 +404,7 @@ struct DirEntry * find_dir_entry(Handle * f_iso, Byte ** bufout, struct DirEntry
     }
     
     buffer = (Byte *) malloc(size = dir->Size);
-    read_datas(f_iso, buffer, GUESS, dir->Sector, dir->Size);
+    read_datas(buffer, GUESS, dir->Sector, dir->Size);
     
     ptr = 0;
     while(ptr < size) {
@@ -421,14 +427,14 @@ struct DirEntry * find_dir_entry(Handle * f_iso, Byte ** bufout, struct DirEntry
     return rdir;
 }
 
-int show_iso_infos(Handle * f_iso) {
+int cdutils::show_iso_infos() {
     char buffer[2048];
     char pbuff[130];
     short int s, nogood = 0;
 
-    read_sector(f_iso, (Byte *) buffer, GUESS, 16);
+    read_sector((Byte *) buffer, GUESS, 16);
 
-    printm(M_BARE, "Sector guessed mode : " + sec_modes[guess_type(f_iso, 16)] + "\n");
+    printm(M_BARE, "Sector guessed mode : " + sec_modes[guess_type(16)] + "\n");
     printm(M_BARE, "offset-size-info    : contents\n");
     printm(M_BARE, "    0 -   1-  1     : %i\n", buffer[0]);
     memcpy(pbuff, buffer + 1, 5);
@@ -481,10 +487,10 @@ int show_iso_infos(Handle * f_iso) {
     memcpy(pbuff, buffer + 776, 37);
     pbuff[37] = 0;
     printm(M_BARE, "  776 -  37- BibFile: %s\n", pbuff);
-    printm(M_BARE, "  813 -  17- DTCreat: %s\n", format_date(&buffer[813]).to_charp());
-    printm(M_BARE, "  830 -  17- DTModif: %s\n", format_date(&buffer[830]).to_charp());
-    printm(M_BARE, "  847 -  17- DTExpir: %s\n", format_date(&buffer[847]).to_charp());
-    printm(M_BARE, "  864 -  17- DTEffec: %s\n", format_date(&buffer[864]).to_charp());
+    printm(M_BARE, "  813 -  17- DTCreat: " + format_date(&buffer[813]) + "\n");
+    printm(M_BARE, "  830 -  17- DTModif: " + format_date(&buffer[830]) + "\n");
+    printm(M_BARE, "  847 -  17- DTExpir: " + format_date(&buffer[847]) + "\n");
+    printm(M_BARE, "  864 -  17- DTEffec: " + format_date(&buffer[864]) + "\n");
     
     printm(M_BARE, "Root record:\n");
     show_head_entry();
@@ -493,12 +499,12 @@ int show_iso_infos(Handle * f_iso) {
     return 1;
 }
 
-int get_iso_infos(Handle * f_iso) {
+int cdutils::get_iso_infos() {
     unsigned char buffer[2048];
     char pbuff[130];
     short int s, nogood = 0;
 
-    read_sector(f_iso, buffer, GUESS, 16);
+    read_sector(buffer, GUESS, 16);
 
     memcpy(pbuff, buffer + 1, 5);
     pbuff[5] = 0;
@@ -521,11 +527,11 @@ int get_iso_infos(Handle * f_iso) {
     return 1;
 }
 
-int get_pt_infos(Handle * f_iso) {
+int cdutils::get_pt_infos() {
     Byte * buffer;
     
     if ((pt1 <= 0) && (pt2 <= 0))
-	if (!get_iso_infos(f_iso))
+	if (!get_iso_infos())
 	    return 0;
 	    
     if ((!pt1) & (!pt2)) {
@@ -534,7 +540,7 @@ int get_pt_infos(Handle * f_iso) {
     }
     
     buffer = (Byte *) malloc(ptl);
-    read_datas(f_iso, buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
+    read_datas(buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
     
     if (buffer[0] == 1)
 	if (buffer[1] == 0)
@@ -548,13 +554,13 @@ int get_pt_infos(Handle * f_iso) {
     return root ? 1 : 0;
 }
 
-int show_pt_infos(Handle * f_iso) {
+int cdutils::show_pt_infos() {
     Byte * buffer;
     char pbuf[100];
     int i, ptr;
     
     if ((pt1 <= 0) && (pt2 <= 0))
-	if (!get_iso_infos(f_iso))
+	if (!get_iso_infos())
 	    return 0;
 	    
     if ((!pt1) & (!pt2)) {
@@ -563,7 +569,7 @@ int show_pt_infos(Handle * f_iso) {
     }
     
     buffer = (Byte *) malloc(ptl);
-    read_datas(f_iso, buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
+    read_datas(buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
     
     printm(M_BARE, "node^paren@sector : name\n");
     for (ptr = 0, i = 1; buffer[ptr]; ptr += ptr & 1, i++) {
@@ -577,13 +583,13 @@ int show_pt_infos(Handle * f_iso) {
     return 1;
 }
 
-struct DirEntry find_path(Handle * f_iso, String path) {
+struct cdutils::DirEntry cdutils::find_path(String path) {
     char * newpath = path.strdup();
     char ** pts = split(newpath, '/');
     struct DirEntry dir = {0, 0, 0, 0, 0};
     
     if ((pt1 <= 0) && (pt2 <= 0))
-	if (!get_iso_infos(f_iso)) {
+	if (!get_iso_infos()) {
 	    free(newpath);
 	    return dir;
 	}
@@ -600,7 +606,7 @@ struct DirEntry find_path(Handle * f_iso, String path) {
     for (dir = rootDir; *pts; pts++) {
 	if (!strlen(*pts))
 	    continue;
-	dir = find_dir_entry(f_iso, &dir, *pts);
+	dir = find_dir_entry(&dir, *pts);
 	if (!dir.R) {
 	    free(newpath);
 	    return dir;
@@ -611,7 +617,7 @@ struct DirEntry find_path(Handle * f_iso, String path) {
     return dir;
 }
 
-struct DirEntry find_parent(Handle * f_iso, String path) {
+struct cdutils::DirEntry cdutils::find_parent(String path) {
     char * newpath = path.strdup();
     char ** pts, * p;
     struct DirEntry dir = {0, 0, 0, 0, 0};
@@ -626,7 +632,7 @@ struct DirEntry find_parent(Handle * f_iso, String path) {
     pts = split(newpath, '/');
     
     if ((pt1 <= 0) && (pt2 <= 0))
-	if (!get_iso_infos(f_iso)) {
+	if (!get_iso_infos()) {
 	    free(newpath);
 	    return dir;
 	}
@@ -643,7 +649,7 @@ struct DirEntry find_parent(Handle * f_iso, String path) {
     for (dir = rootDir; *pts; pts++) {
 	if (!strlen(*pts))
 	    continue;
-	dir = find_dir_entry(f_iso, &dir, *pts);
+	dir = find_dir_entry(&dir, *pts);
 	if (!dir.R) {
 	    free(newpath);
 	    return dir;
diff --git a/lib/crctable.out b/lib/crctable.out
index 47842cd..f70577e 100644
--- a/lib/crctable.out
+++ b/lib/crctable.out
@@ -18,7 +18,7 @@
 /*                                                               */
 /*****************************************************************/
 
-unsigned long  EDC_crctable[256] =
+const unsigned long  EDC_crctable[256] =
 {
  0x00000000L, 0x90910101L, 0x91210201L, 0x01B00300L,
  0x92410401L, 0x02D00500L, 0x03600600L, 0x93F10701L,
diff --git a/lib/crctables b/lib/crctables
index 3dd89c1..0f2a0a3 100644
--- a/lib/crctables
+++ b/lib/crctables
@@ -1,42 +1,20 @@
-static unsigned char rs_l12_alog[255] = {
+const static unsigned char rs_l12_alog[255] = {
  1, 2, 4, 8,16,32,64,128,29,58,116,232,205,135,19,38,76,152,45,90,180,117,234,201,143, 3, 6,12,24,48,96,192,157,39,78,156,37,74,148,53,106,212,181,119,238,193,159,35,70,140, 5,10,20,40,80,160,93,186,105,210,185,111,222,161,95,190,97,194,153,47,94,188,101,202,137,15,30,60,120,240,253,231,211,187,107,214,177,127,254,225,223,163,91,182,113,226,217,175,67,134,17,34,68,136,13,26,52,104,208,189,103,206,129,31,62,124,248,237,199,147,59,118,236,197,151,51,102,204,133,23,46,92,184,109,218,169,79,158,33,66,132,21,42,84,168,77,154,41,82,164,85,170,73,146,57,114,228,213,183,115,230,209,191,99,198,145,63,126,252,229,215,179,123,246,241,255,227,219,171,75,150,49,98,196,149,55,110,220,165,87,174,65,130,25,50,100,200,141, 7,14,28,56,112,224,221,167,83,166,81,162,89,178,121,242,249,239,195,155,43,86,172,69,138, 9,18,36,72,144,61,122,244,245,247,243,251,235,203,139,11,22,44,88,176,125,250,233,207,131,27,54,108,216,173,71,142,};
-static unsigned char rs_l12_log[256] = {
+
+const static unsigned char rs_l12_log[256] = {
  0, 0, 1,25, 2,50,26,198, 3,223,51,238,27,104,199,75, 4,100,224,14,52,141,239,129,28,193,105,248,200, 8,76,113, 5,138,101,47,225,36,15,33,53,147,142,218,240,18,130,69,29,181,194,125,106,39,249,185,201,154, 9,120,77,228,114,166, 6,191,139,98,102,221,48,253,226,152,37,179,16,145,34,136,54,208,148,206,143,150,219,189,241,210,19,92,131,56,70,64,30,66,182,163,195,72,126,110,107,58,40,84,250,133,186,61,202,94,155,159,10,21,121,43,78,212,229,172,115,243,167,87, 7,112,192,247,140,128,99,13,103,74,222,237,49,197,254,24,227,165,153,119,38,184,180,124,17,68,146,217,35,32,137,46,55,63,209,91,149,188,207,205,144,135,151,178,220,252,190,97,242,86,211,171,20,42,93,158,132,60,57,83,71,109,65,162,31,45,67,216,183,123,164,118,196,23,73,236,127,12,111,246,108,161,59,82,41,157,85,170,251,96,134,177,187,204,62,90,203,89,95,176,156,169,160,81,11,245,22,235,122,117,44,215,79,174,213,233,230,231,173,232,116,214,244,234,168,80,88,175,};
-static unsigned char rs_sub_rw_alog[63] = {
- 1, 2, 4, 8,16,32, 3, 6,12,24,48,35, 5,10,20,40,19,38,15,30,60,59,53,41,17,34, 7,14,28,56,51,37, 9,18,36,11,22,44,27,54,47,29,58,55,45,25,50,39,13,26,52,43,21,42,23,46,31,62,63,61,57,49,33,};
-static unsigned char rs_sub_rw_log[63] = {
- 0, 0, 1, 6, 2,12, 7,26, 3,32,13,35, 8,48,27,18, 4,24,33,16,14,52,36,54, 9,45,49,38,28,41,19,56, 5,62,25,11,34,31,17,47,15,23,53,51,37,44,55,40,10,61,46,30,50,22,39,43,29,60,42,21,20,59,57,};
-static unsigned char SQ[2][2] = {
-{26,6,},
-{7,1,},
-};
-static unsigned char SP[4][20] = {
-{57,38,44,29,17,57,53,58,60,39,12,38,18,41,6,25,39,37,5,18,},
-{38,62,42,13,30,11,46,5,54,26,12,49,48,46,8,50,28,9,12,39,},
-{32,18,41,49,52,62,38,36,39,58,37,24,34,51,51,27,28,36,22,21,},
-{44,50,35,23,0,59,1,3,45,18,44,24,47,12,31,45,43,11,24,6,},
-};
-static unsigned char AQ[4][24] = {
-{58,152,173,95,88,43,134,205,143,131,163,75,37,109,194,159,168,227,153,59,101,},
-{30,214,148,138,112,154,157,96,49,198,189,249,83,23,70,237,70,41,47,52,125,247,},
-{162,244,13,171,213,236,71,177,253,162,59,78,46,68,238,112,147,197,115,200,117,15,236,},
-{158,179,101,94,49,140,211,149,137,169,81,6,33,30,27,24,21,18,15,12,9,6,3,0,},
-};
-static unsigned char AP[4][32] = {
-{140,143,52,103,249,142,180,197,5,155,153,132,143,244,101,76,102,155,203,104,58,152,173,95,88,43,134,205,143,131,163,75,},
-{104,97,17,162,205,252,218,199,202,41,136,106,119,238,193,103,123,242,83,178,30,214,148,138,112,154,157,96,49,198,189,249,},
-{240,119,29,185,67,11,131,40,7,41,80,147,151,17,245,253,208,66,228,116,162,244,13,171,213,236,71,177,253,162,59,78,},
-{149,58,109,0,148,186,203,11,161,159,138,149,250,107,82,108,161,209,110,64,158,179,101,94,49,140,211,149,137,169,81,6,},
-};
-static unsigned char DQ[2][43] = {
+
+const static unsigned char DQ[2][43] = {
 {190,96,250,132,59,81,159,154,200,7,111,245,10,20,41,156,168,79,173,231,229,171,210,240,17,67,215,43,120,8,199,74,102,220,251,95,175,87,166,113,75,198,25,},
 {97,251,133,60,82,160,155,201,8,112,246,11,21,42,157,169,80,174,232,230,172,211,241,18,68,216,44,121,9,200,75,103,221,252,96,176,88,167,114,76,199,26,1,},
 };
-static unsigned char DP[2][24] = {
+
+const static unsigned char DP[2][24] = {
 {231,229,171,210,240,17,67,215,43,120,8,199,74,102,220,251,95,175,87,166,113,75,198,25,},
 {230,172,211,241,18,68,216,44,121,9,200,75,103,221,252,96,176,88,167,114,76,199,26,1,},
 };
-static unsigned char yellowbook_scrambler[2340] = {
+
+const static unsigned char yellowbook_scrambler[2340] = {
   1,128,0,96,0,40,0,30,128,8,96,6,168,2,254,129,128,96,96,40,40,30,158,
   136,104,102,174,170,252,127,1,224,0,72,0,54,128,22,224,14,200,4,86,131,126,225,
   224,72,72,54,182,150,246,238,198,204,82,213,253,159,1,168,0,126,128,32,96,24,40,
diff --git a/lib/lzss.cpp b/lib/lzss.cpp
index b57f325..a991f07 100644
--- a/lib/lzss.cpp
+++ b/lib/lzss.cpp
@@ -26,12 +26,11 @@
 #include "lzss.h"
 #include "Handle.h"
 
-int lzss_maxsize = 18;
-int lzss_maxptr = 0x0fff;
-int tolerate = 1;
-int blockb = 0;
+lzss::lzss() : tolerate(1), blockb(0), scheme(schemes[0]), lzss_maxsize(18), lzss_maxptr(0x0fff) {
+    compute_limits();
+}
 
-scheme_t schemes[] = {
+const lzss::scheme_t lzss::schemes[] = {
 /*    Nom            1  I  J  O  N 16  P  F     W   Lm1 Ls1   Lm2 Ls2   Jm1 Js1   Jm2 Js2   Fm1 Fs1   Fm2 Fs2   Vm1 Vs1   Vm2 Vs2 */
     {"Xenogears",    1, 0, 0, 1, 0, 0, 0, 0,    0, 0x00,  0, 0xf0, -4, 0xff,  0, 0x0f,  8, 0x00,  0, 0x00,  0, 0x00,  0, 0x00,  0},
     {"DBZ RPG",      0, 0, 0, 0, 0, 0, 0, 0,    0, 0x0f,  0, 0x00,  0, 0xf0, -4, 0xff,  4, 0x00,  0, 0x00,  0, 0x00,  0, 0x00,  0},
@@ -46,20 +45,18 @@ scheme_t schemes[] = {
     {0            ,  0, 0, 0, 0, 0, 0, 0, 0,    0,    0,  0,    0,  0,    0,  0,    0,  0, 0x00,  0, 0x00,  0, 0x00,  0, 0x00,  0}
 };
 
-scheme_t scheme = schemes[0];
-
-char swap_bits(char i) {
+Byte lzss::swap_bits(Byte i) {
     i = ((i >> 1) & 0x55) | ((i << 1) & 0xaa);
     i = ((i >> 2) & 0x33) | ((i << 2) & 0xcc);
     i = ((i >> 4) & 0x0f) | ((i << 4) & 0xf0);
     return i;
 }
 
-unsigned int shift(unsigned int c, int s) {
+unsigned int lzss::shift(unsigned int c, int s) {
     return s > 0 ? (c << s) : c >> (-s);
 }
 
-void compute_limits(void) {
+void lzss::compute_limits(void) {
     unsigned char val1, val2;
     
     val1 = val2 = 0xff;
@@ -95,7 +92,7 @@ void compute_limits(void) {
     printm(M_INFO, "Computed values: maxsize = %i, maxptr = 0x%06x\n", lzss_maxsize, lzss_maxptr);
 }
 
-unsigned long lzss_decomp(Handle * f_source, Handle * f_cible, long true_length)
+unsigned long lzss::lzss_decomp(Handle * f_source, Handle * f_cible, long true_length)
 {
     unsigned char bitmap, fbitmap;
     unsigned char valeur;
@@ -242,11 +239,11 @@ unsigned long lzss_decomp(Handle * f_source, Handle * f_cible, long true_length)
     return length;
 }
 
-unsigned char lzss_rd(unsigned char * t, long p) {
+unsigned char lzss::lzss_rd(unsigned char * t, long p) {
     return ((p < 0) ? 0 : (t[p]));
 }
 
-long lzss_comp_strstr(unsigned char * needle, unsigned char * r, long * l, long sp) {
+long lzss::lzss_comp_strstr(unsigned char * needle, unsigned char * r, long * l, long sp) {
     char redo[256];
     long length, i, p, ptr, maxlength;
     
@@ -291,9 +288,7 @@ long lzss_comp_strstr(unsigned char * needle, unsigned char * r, long * l, long
     return ptr;
 }
 
-long blk, bitmap_count;
-
-unsigned char * lzss_memcomp(unsigned char * r, long * l, long * delta) {
+unsigned char * lzss::lzss_memcomp(unsigned char * r, long * l, long * delta) {
     unsigned char bitmap, * comp;
     long ptr, needle, needle_length, comp_ptr, bitmap_ptr, val1, val2;
     long jump, farest, remaining;
@@ -418,7 +413,7 @@ unsigned char * lzss_memcomp(unsigned char * r, long * l, long * delta) {
     return comp;
 }
 
-void lzss_comp(Handle * f_source, Handle * f_cible, long * delta) {
+void lzss::lzss_comp(Handle * f_source, Handle * f_cible, long * delta) {
     long length = f_source->GetSize(), l;
     unsigned char * r = (unsigned char *) malloc(length), * c;
     
@@ -436,3 +431,12 @@ void lzss_comp(Handle * f_source, Handle * f_cible, long * delta) {
     free(c);
     free(r);
 }
+
+void lzss::change_scheme(scheme_t new_scheme) {
+    scheme = new_scheme;
+    compute_limits();
+}
+
+lzss::scheme_t lzss::get_scheme() {
+    return scheme;
+}
diff --git a/lib/yazedc.cpp b/lib/yazedc.cpp
index f4bced0..4f6144c 100644
--- a/lib/yazedc.cpp
+++ b/lib/yazedc.cpp
@@ -26,199 +26,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include "yazedc.h"
 
-#define RS_L12_BITS 8
-
-/* audio sector definitions for CIRC */
-#define FRAMES_PER_SECTOR 98
-/* user data bytes per frame */
-#define L1_RAW 24
-/* parity bytes with 8 bit */
-#define L1_Q   4
-#define L1_P   4
-
-/* audio sector Cross Interleaved Reed-Solomon Code (CIRC) encoder (layer 1) */
-/* adds P- and Q- parity information to audio (f2) frames. Also
-   optionally handles the various delays and permutations. The output with all
-   stages enabled can be fed into the Eight-Fourteen-Modulator.
-   On input: 2352 bytes of audio data is given.
-   On output: 3136 bytes of CIRC enriched audio data are returned.
- */
-int do_encode_L1(unsigned char in[L1_RAW*FRAMES_PER_SECTOR],
-		unsigned char out[(L1_RAW+L1_Q+L1_P)*FRAMES_PER_SECTOR],
-		int delay1, int delay2, int delay3, int scramble);
-
-/* data sector definitions for RSPC */
-/* user data bytes per frame */
-#define L2_RAW (1024*2)
-/* parity bytes for 16 bit units */
-#define L2_Q   (26*2*2)
-#define L2_P   (43*2*2)
-
-/* known sector types */
-#define MODE_0	0
-#define MODE_1	1
-#define MODE_2	2
-#define MODE_2_FORM_1	3
-#define MODE_2_FORM_2	4
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* set one of the MODE_* constants for subsequent data sector formatting */
-int set_sector_type(int st);
-/* get the current sector type setting for data sector formatting */
-int get_sector_type(void);
-
-/* data sector layer 2 Reed-Solomon Product Code encoder */
-/* encode the given data portion depending on sector type (see
-   get/set_sector_type() functions). Use the given address for the header.
-   The returned data is __unscrambled__ and not in F2-frame format (for that
-   see function scramble_L2()).
-   Supported sector types:
-     MODE_0: a 12-byte sync field, a header and 2336 zeros are returned.
-     MODE_1: the user data portion (2048 bytes) has to be given
-             at offset 16 in the inout array.
-             Sync-, header-, edc-, spare-, p- and q- fields will be added.
-     MODE_2: the user data portion (2336 bytes) has to be given
-             at offset 16 in the inout array.
-             Sync- and header- fields will be added.
-     MODE_2_FORM_1: the user data portion (8 bytes subheader followed
-                    by 2048 bytes data) has to be given at offset 16
-                    in the inout array.
-                    Sync-, header-, edc-, p- and q- fields will be added.
-     MODE_2_FORM_2: the user data portion (8 bytes subheader followed
-                    by 2324 bytes data) has to be given at offset 16
-                    in the inout array.
-                    Sync-, header- and edc- fields will be added.
-*/
-int do_encode_L2(unsigned char *inout, int sectortype, unsigned address);
-int decode_L2_Q(unsigned char inout[4 + L2_RAW + 12 + L2_Q]);
-int decode_L2_P(unsigned char inout[4 + L2_RAW + 12 + L2_Q + L2_P]);
-unsigned long int build_edc(unsigned char inout[], int from, int upto);
-
-/* generates f2 frames from otherwise fully formatted sectors (generated by
-   do_encode_L2()). */
-int scramble_L2(unsigned char *inout);
-
-#ifdef __cplusplus
-}
-#endif
-
-/* r-w sub channel definitions */
-#define RS_SUB_RW_BITS 6
-
-#define PACKETS_PER_SUBCHANNELFRAME 4
-#define LSUB_RAW 18
-#define LSUB_QRAW 2
-/* 6 bit */
-#define LSUB_Q 2
-#define LSUB_P 4
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* R-W subchannel encoder */
-/* On input: 72 bytes packed user data, four frames with each 18 bytes.
-   On output: per frame: 2 bytes user data, 2 bytes Q parity, 
-                         16 bytes user data, 4 bytes P parity.
-   Options:
-     delay1: use low level delay line
-     scramble: perform low level permutations
- */
-int do_encode_sub(unsigned char in[LSUB_RAW*PACKETS_PER_SUBCHANNELFRAME],
-		unsigned char out[(LSUB_RAW+LSUB_Q+LSUB_P)*PACKETS_PER_SUBCHANNELFRAME],
-		int delay1, int scramble);
-int do_decode_sub(unsigned char in[(LSUB_RAW+LSUB_Q+LSUB_P)*PACKETS_PER_SUBCHANNELFRAME],
-		unsigned char out[LSUB_RAW*PACKETS_PER_SUBCHANNELFRAME],
-		int delay1, int scramble);
-
-int decode_LSUB_Q(unsigned char inout[LSUB_QRAW + LSUB_Q]);
-int decode_LSUB_P(unsigned char inout[LSUB_RAW + LSUB_Q + LSUB_P]);
-
-#ifdef __cplusplus
-}
-#endif
-
-unsigned char minute, second, frame;
-
-/* these prototypes will become public when the function are implemented */
-#ifdef MAIN
-static int do_decode_L2(unsigned char in[(L2_RAW+L2_Q+L2_P)],
-		unsigned char out[L2_RAW]);
-static int do_decode_L1(unsigned char in[(L1_RAW+L1_Q+L1_P)*FRAMES_PER_SECTOR],
-		unsigned char out[L1_RAW*FRAMES_PER_SECTOR],
-		int delay1, int delay2, int delay3, int scramble);
-#endif
+yazedc::yazedc() : minute(0), second(2), frame(0), sectortype(0) {}
 
 /* ------------- tables generated by gen_encodes --------------*/
 
 #include "crctables"
 
-static int encode_L1_Q(unsigned char inout[L1_RAW + L1_Q])
-{
-  unsigned char *Q;
-  int i;
-
-  memmove(inout+L1_RAW/2+L1_Q, inout+L1_RAW/2, L1_RAW/2);
-  Q = inout + L1_RAW/2;
-
-  memset(Q, 0, L1_Q);
-  for (i = 0; i < L1_RAW + L1_Q; i++) {
-	unsigned char data;
-
-	if (i == L1_RAW/2) i += L1_Q;
-        data = inout[i];
-	if (data != 0) {
-		unsigned char base = rs_l12_log[data];
-
-		Q[0] ^= rs_l12_alog[(base+AQ[0][i]) % ((1 << RS_L12_BITS)-1)];
-		Q[1] ^= rs_l12_alog[(base+AQ[1][i]) % ((1 << RS_L12_BITS)-1)];
-		Q[2] ^= rs_l12_alog[(base+AQ[2][i]) % ((1 << RS_L12_BITS)-1)];
-		Q[3] ^= rs_l12_alog[(base+AQ[3][i]) % ((1 << RS_L12_BITS)-1)];
-	}
-  }
-
-  return 0;
-}
-static int encode_L1_P(unsigned char inout[L1_RAW + L1_Q + L1_P])
-{
-  unsigned char *P;
-  int i;
-
-  P = inout + L1_RAW + L1_Q;
-
-  memset(P, 0, L1_P);
-  for (i = 0; i < L2_RAW + L2_Q + L2_P; i++) {
-	unsigned char data;
-
-        data = inout[i];
-	if (data != 0) {
-		unsigned char base = rs_l12_log[data];
-
-		P[0] ^= rs_l12_alog[(base+AP[0][i]) % ((1 << RS_L12_BITS)-1)];
-		P[1] ^= rs_l12_alog[(base+AP[1][i]) % ((1 << RS_L12_BITS)-1)];
-		P[2] ^= rs_l12_alog[(base+AP[2][i]) % ((1 << RS_L12_BITS)-1)];
-		P[3] ^= rs_l12_alog[(base+AP[3][i]) % ((1 << RS_L12_BITS)-1)];
-	}
-  }
-  return 0;
-}
-
-#ifdef MAIN
-static int decode_L1_Q(unsigned char inout[L1_RAW + L1_Q])
-{
-  return 0;
-}
-
-static int decode_L1_P(unsigned char in[L1_RAW + L1_Q + L1_P])
-{
-  return 0;
-}
-#endif
-
 static int encode_L2_Q(unsigned char inout[4 + L2_RAW + 4 + 8 + L2_P + L2_Q])
 {
   unsigned char *Q;
@@ -322,19 +137,10 @@ static int encode_L2_P(unsigned char inout[4 + L2_RAW + 4 + 8 + L2_P])
   return 0;
 }
 
-int decode_L2_Q(unsigned char inout[4 + L2_RAW + 12 + L2_Q])
-{
-  return 0;
-}
-int decode_L2_P(unsigned char inout[4 + L2_RAW + 12 + L2_Q + L2_P])
-{
-  return 0;
-}
-
-int scramble_L2(unsigned char *inout)
+int yazedc::scramble_L2(unsigned char *inout)
 {
   unsigned char *r = inout + 12;
-  unsigned char *s = yellowbook_scrambler;
+  const unsigned char *s = yellowbook_scrambler;
   unsigned int i;
   unsigned int *f = (unsigned int *)inout;
 
@@ -350,290 +156,7 @@ int scramble_L2(unsigned char *inout)
   return 0;
 }
 
-static int encode_LSUB_Q(unsigned char inout[LSUB_RAW + LSUB_Q])
-{
-  unsigned char *Q;
-/*  unsigned char data; */
-  int i;
-
-  memmove(inout+LSUB_QRAW+LSUB_Q, inout+LSUB_QRAW, LSUB_RAW-LSUB_QRAW);
-  Q = inout + LSUB_QRAW;
-
-  memset(Q, 0, LSUB_Q);
-
-#if 0
-  data = inout[0] & 0x3f;
-  if (data != 0) {
-	unsigned char base = rs_sub_rw_log[data];
-
-	Q[0] ^= rs_sub_rw_alog[(base+26) % ((1 << RS_SUB_RW_BITS)-1)];
-	Q[1] ^= rs_sub_rw_alog[(base+7) % ((1 << RS_SUB_RW_BITS)-1)];
-  }
-  data = inout[1] & 0x3f;
-  if (data != 0) {
-	unsigned char base = rs_sub_rw_log[data];
-
-	Q[0] ^= rs_sub_rw_alog[(base+6) % ((1 << RS_SUB_RW_BITS)-1)];
-	Q[1] ^= rs_sub_rw_alog[(base+1) % ((1 << RS_SUB_RW_BITS)-1)];
-  }
-#else
-  for (i = 0; i < LSUB_QRAW; i++) {
-	unsigned char data;
-
-	data = inout[i] & 0x3f;
-	if (data != 0) {
-		unsigned char base = rs_sub_rw_log[data];
-
-		Q[0] ^= rs_sub_rw_alog[(base+SQ[0][i]) % ((1 << RS_SUB_RW_BITS)-1)];
-		Q[1] ^= rs_sub_rw_alog[(base+SQ[1][i]) % ((1 << RS_SUB_RW_BITS)-1)];
-	}
-  }
-#endif
-  return 0;
-}
-
-
-static int encode_LSUB_P(unsigned char inout[LSUB_RAW + LSUB_Q + LSUB_P])
-{
-  unsigned char *P;
-  int i;
-
-  P = inout + LSUB_RAW + LSUB_Q;
-
-  memset(P, 0, LSUB_P);
-  for (i = 0; i < LSUB_RAW + LSUB_Q; i++) {
-	unsigned char data;
-
-	data = inout[i] & 0x3f;
-	if (data != 0) {
-		unsigned char base = rs_sub_rw_log[data];
-
-		P[0] ^= rs_sub_rw_alog[(base+SP[0][i]) % ((1 << RS_SUB_RW_BITS)-1)];
-		P[1] ^= rs_sub_rw_alog[(base+SP[1][i]) % ((1 << RS_SUB_RW_BITS)-1)];
-		P[2] ^= rs_sub_rw_alog[(base+SP[2][i]) % ((1 << RS_SUB_RW_BITS)-1)];
-		P[3] ^= rs_sub_rw_alog[(base+SP[3][i]) % ((1 << RS_SUB_RW_BITS)-1)];
-	}
-  }
-  return 0;
-}
-
-int decode_LSUB_Q(unsigned char inout[LSUB_QRAW + LSUB_Q])
-{
-  unsigned char Q[LSUB_Q];
-  int i;
-
-  memset(Q, 0, LSUB_Q);
-  for (i = LSUB_QRAW + LSUB_Q -1; i>=0; i--) {
-	unsigned char data;
-
-	data = inout[LSUB_QRAW + LSUB_Q -1 -i] & 0x3f;
-	if (data != 0) {
-		unsigned char base = rs_sub_rw_log[data];
-
-		Q[0] ^= rs_sub_rw_alog[(base+0*i) % ((1 << RS_SUB_RW_BITS)-1)];
-		Q[1] ^= rs_sub_rw_alog[(base+1*i) % ((1 << RS_SUB_RW_BITS)-1)];
-	}
-  }
-
-  return (Q[0] != 0 || Q[1] != 0);
-}
-int decode_LSUB_P(unsigned char inout[LSUB_RAW + LSUB_Q + LSUB_P])
-{
-  unsigned char P[LSUB_P];
-  int i;
-
-  memset(P, 0, LSUB_P);
-  for (i = LSUB_RAW + LSUB_Q + LSUB_P-1; i>=0; i--) {
-	unsigned char data;
-
-	data = inout[LSUB_RAW + LSUB_Q + LSUB_P -1 -i] & 0x3f;
-	if (data != 0) {
-		unsigned char base = rs_sub_rw_log[data];
-
-		P[0] ^= rs_sub_rw_alog[(base+0*i) % ((1 << RS_SUB_RW_BITS)-1)];
-		P[1] ^= rs_sub_rw_alog[(base+1*i) % ((1 << RS_SUB_RW_BITS)-1)];
-		P[2] ^= rs_sub_rw_alog[(base+2*i) % ((1 << RS_SUB_RW_BITS)-1)];
-		P[3] ^= rs_sub_rw_alog[(base+3*i) % ((1 << RS_SUB_RW_BITS)-1)];
-	}
-  }
-
-  return (P[0] != 0 || P[1] != 0 || P[2] != 0 || P[3] != 0);
-}
-
-/* Layer 1 CIRC en/decoder */
-#define MAX_L1_DEL1 2
-static unsigned char l1_delay_line1[MAX_L1_DEL1][L1_RAW];
-#define MAX_L1_DEL2 108
-static unsigned char l1_delay_line2[MAX_L1_DEL2][L1_RAW+L1_Q];
-#define MAX_L1_DEL3 1
-static unsigned char l1_delay_line3[MAX_L1_DEL3][L1_RAW+L1_Q+L1_P];
-static unsigned l1_del_index;
-
-int do_encode_L1(unsigned char in[L1_RAW*FRAMES_PER_SECTOR],
-		unsigned char out[(L1_RAW+L1_Q+L1_P)*FRAMES_PER_SECTOR],
-		int delay1, int delay2, int delay3, int permute)
-{
-  int i;
-
-  for (i = 0; i < FRAMES_PER_SECTOR; i++) {
-     int j;
-     unsigned char t;
-	
-     if (in != out)
-	memcpy(out, in, L1_RAW);
-
-     if (delay1) {
-	/* shift through delay line 1 */
- 	for (j = 0; j < L1_RAW; j++) {
-		if (((j/4) % MAX_L1_DEL1) == 0) {
-			t = l1_delay_line1[l1_del_index % (MAX_L1_DEL1)][j];
-			l1_delay_line1[l1_del_index % (MAX_L1_DEL1)][j] = out[j];
-			out[j] = t;
-		}
-	}
-     }
-
-     if (permute) {
-	/* permute */
-	t = out[2]; out[2] = out[8]; out[8] = out[10]; out[10] = out[18];
-        out[18] = out[6]; out [6] = t;
-	t = out[3]; out[3] = out[9]; out[9] = out[11]; out[11] = out[19];
-        out[19] = out[7]; out [7] = t;
-	t = out[4]; out[4] = out[16]; out[16] = out[20]; out[20] = out[14];
-        out[14] = out[12]; out [12] = t;
-	t = out[5]; out[5] = out[17]; out[17] = out[21]; out[21] = out[15];
-        out[15] = out[13]; out [13] = t;
-     }
-
-     /* build Q parity */
-     encode_L1_Q(out);
-
-     if (delay2) {
-	/* shift through delay line 2 */
- 	for (j = 0; j < L1_RAW+L1_Q; j++) {
-		if (j != 0) {
-			t = l1_delay_line2[(l1_del_index) % MAX_L1_DEL2][j];
-			l1_delay_line2[(l1_del_index + j*4) % MAX_L1_DEL2][j] = out[j];
-			out[j] = t;
-		}
-	}
-     }
-
-     /* build P parity */
-     encode_L1_P(out);
-
-     if (delay3) {
-	/* shift through delay line 3 */
- 	for (j = 0; j < L1_RAW+L1_Q+L1_P; j++) {
-		if (((j) & MAX_L1_DEL3) == 0) {
-			t = l1_delay_line3[0][j];
-			l1_delay_line3[0][j] = out[j];
-			out[j] = t;
-		}
-	}
-     }
-
-     /* invert Q and P parity */
-     for (j = 0; j < L1_Q; j++)
-	out[j+12] = ~out[j+12];
-     for (j = 0; j < L1_P; j++)
-	out[j+28] = ~out[j+28];
-
-     l1_del_index++;
-     out += L1_RAW+L1_Q+L1_P;
-     in += L1_RAW;
-  }
-  return 0;
-}
-
-#ifdef MAIN
-int do_decode_L1(unsigned char in[(L1_RAW+L1_Q+L1_P)*FRAMES_PER_SECTOR],
-		unsigned char out[L1_RAW*FRAMES_PER_SECTOR],
-		int delay1, int delay2, int delay3, int permute)
-{
-  int i;
-
-  for (i = 0; i < FRAMES_PER_SECTOR; i++) {
-     int j;
-     unsigned char t;
-
-     if (delay3) {
-	/* shift through delay line 3 */
- 	for (j = 0; j < L1_RAW+L1_Q+L1_P; j++) {
-		if (((j) & MAX_L1_DEL3) != 0) {
-			t = l1_delay_line3[0][j];
-			l1_delay_line3[0][j] = in[j];
-			in[j] = t;
-		}
-	}
-     }
-
-     /* invert Q and P parity */
-     for (j = 0; j < L1_Q; j++)
-	in[j+12] = ~in[j+12];
-     for (j = 0; j < L1_P; j++)
-	in[j+28] = ~in[j+28];
-
-     /* build P parity */
-     decode_L1_P(in);
-
-     if (delay2) {
-	/* shift through delay line 2 */
- 	for (j = 0; j < L1_RAW+L1_Q; j++) {
-		if (j != L1_RAW+L1_Q-1) {
-			t = l1_delay_line2[(l1_del_index) % MAX_L1_DEL2][j];
-			l1_delay_line2[(l1_del_index + (MAX_L1_DEL2 - j*4)) % MAX_L1_DEL2][j] = in[j];
-			in[j] = t;
-		}
-	}
-     }
-
-     /* build Q parity */
-     decode_L1_Q(in);
-
-     if (permute) {
-	/* permute */
-	t = in[2]; in[2] = in[6]; in[6] = in[18]; in[18] = in[10];
-        in[10] = in[8]; in [8] = t;
-	t = in[3]; in[3] = in[7]; in[7] = in[19]; in[19] = in[11];
-        in[11] = in[9]; in [9] = t;
-	t = in[4]; in[4] = in[12]; in[12] = in[14]; in[14] = in[20];
-        in[20] = in[16]; in [16] = t;
-	t = in[5]; in[5] = in[13]; in[13] = in[15]; in[15] = in[21];
-        in[21] = in[17]; in [17] = t;
-     }
-
-     if (delay1) {
-	/* shift through delay line 1 */
- 	for (j = 0; j < L1_RAW; j++) {
-		if (((j/4) % MAX_L1_DEL1) != 0) {
-			t = l1_delay_line1[l1_del_index % (MAX_L1_DEL1)][j];
-			l1_delay_line1[l1_del_index % (MAX_L1_DEL1)][j] = in[j];
-			in[j] = t;
-		}
-	}
-     }
-
-     if (in != out)
-	memcpy(out, in, (L1_RAW));
-
-     l1_del_index++;
-     in += L1_RAW+L1_Q+L1_P;
-     out += L1_RAW;
-  }
-  return 0;
-}
-
-#endif
-
-#if 0
-static unsigned char bin2bcd(unsigned p)
-{
-  return ((p/10)<<4)|(p%10);
-}
-#endif
-
-static int build_address(unsigned char inout[], int sectortype, unsigned address)
+int yazedc::build_address(unsigned char inout[], int sectortype, unsigned address)
 {
   inout[12] = minute;
   inout[13] = second;
@@ -654,7 +177,6 @@ static int build_address(unsigned char inout[], int sectortype, unsigned address
 }
 
 #include "crctable.out"
-
 unsigned long int build_edc(unsigned char inout[], int from, int upto)
 {
   unsigned char *p = inout+from;
@@ -667,7 +189,7 @@ unsigned long int build_edc(unsigned char inout[], int from, int upto)
 }
 
 /* Layer 2 Product code en/decoder */
-int do_encode_L2(unsigned char inout[(12 + 4 + L2_RAW+4+8+L2_Q+L2_P)], int sectortype, unsigned address)
+int yazedc::do_encode_L2(unsigned char inout[(12 + 4 + L2_RAW+4+8+L2_Q+L2_P)], int sectortype, unsigned address)
 {
   unsigned long int result;
 
@@ -728,119 +250,12 @@ int do_encode_L2(unsigned char inout[(12 + 4 + L2_RAW+4+8+L2_Q+L2_P)], int secto
   return 0;
 }
 
-#ifdef MAIN
-static int do_decode_L2(unsigned char in[(L2_RAW+L2_Q+L2_P)],
-		unsigned char out[L2_RAW])
-{
-  return 0;
-}
-#endif
-
-
-#define MAX_SUB_DEL 8
-static unsigned char sub_delay_line[MAX_SUB_DEL][LSUB_RAW+LSUB_Q+LSUB_P];
-static unsigned sub_del_index;
-
-/* R-W Subchannel en/decoder */
-int do_encode_sub(unsigned char in[LSUB_RAW*PACKETS_PER_SUBCHANNELFRAME],
-		unsigned char out[(LSUB_RAW+LSUB_Q+LSUB_P)*PACKETS_PER_SUBCHANNELFRAME],
-		int delay1, int permute)
-{
-  int i;
-
-  if (in == out) return -1;
-
-  for (i = 0; i < PACKETS_PER_SUBCHANNELFRAME; i++) {
-     int j;
-     unsigned char t;
-
-     memcpy(out, in, (LSUB_RAW));
-
-     /* build Q parity */
-     encode_LSUB_Q(out);
-
-     /* build P parity */
-     encode_LSUB_P(out);
-
-     if (permute) {
-	/* permute */
-	t = out[1]; out[1] = out[18]; out[18] = t;
-	t = out[2]; out[2] = out[ 5]; out[ 5] = t;
-	t = out[3]; out[3] = out[23]; out[23] = t;
-     }
-
-     if (delay1) {
-	/* shift through delay_line */
-	for (j = 0; j < LSUB_RAW+LSUB_Q+LSUB_P; j++) {
-		if ((j % MAX_SUB_DEL) != 0) {
-			t = sub_delay_line[(sub_del_index) % MAX_SUB_DEL][j];
-			sub_delay_line[(sub_del_index + j) % MAX_SUB_DEL][j] = out[j];
-			out[j] = t;
-		}
-	}
-     }
-     sub_del_index++;
-     out += LSUB_RAW+LSUB_Q+LSUB_P;
-     in += LSUB_RAW;
-  }
-  return 0;
-}
-
-int 
-do_decode_sub(
-     unsigned char in[(LSUB_RAW+LSUB_Q+LSUB_P)*PACKETS_PER_SUBCHANNELFRAME],
-     unsigned char out[LSUB_RAW*PACKETS_PER_SUBCHANNELFRAME],
-     int delay1, int permute)
-{
-  int i;
-
-  if (in == out) return -1;
-
-  for (i = 0; i < PACKETS_PER_SUBCHANNELFRAME; i++) {
-     int j;
-     unsigned char t;
-
-     if (delay1) {
-	/* shift through delay_line */
- 	for (j = 0; j < LSUB_RAW+LSUB_Q+LSUB_P; j++) {
-		if ((j % MAX_SUB_DEL) != MAX_SUB_DEL-1) {
-			t = sub_delay_line[(sub_del_index) % MAX_SUB_DEL][j];
-			sub_delay_line[(sub_del_index + (MAX_SUB_DEL - j)) % MAX_SUB_DEL][j] = in[j];
-			in[j] = t;
-		}
-	}
-     }
-
-     if (permute) {
-	/* permute */
-	t = in[1]; in[1] = in[18]; in[18] = t;
-	t = in[2]; in[2] = in[ 5]; in[ 5] = t;
-	t = in[3]; in[3] = in[23]; in[23] = t;
-     }
-
-     /* build P parity */
-     decode_LSUB_P(in);
-
-     /* build Q parity */
-     decode_LSUB_Q(in);
-
-     memcpy(out, in, LSUB_QRAW);
-     memcpy(out+LSUB_QRAW, in+LSUB_QRAW+LSUB_Q, LSUB_RAW-LSUB_QRAW);
-
-     sub_del_index++;
-     in += LSUB_RAW+LSUB_Q+LSUB_P;
-     out += LSUB_RAW;
-  }
-  return 0;
-}
-
-static int sectortype = MODE_0;
-int get_sector_type(void)
+int yazedc::get_sector_type(void)
 {
   return sectortype;
 }
 
-int set_sector_type(int st)
+int yazedc::set_sector_type(int st)
 {
   switch(st) {
     case MODE_0:
@@ -854,5 +269,3 @@ int set_sector_type(int st)
   }
   return 0;
 }
-
-/* ------------- --------------*/
-- 
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