From 85155ff54ba94f8ac40e267f83435284e88b866c Mon Sep 17 00:00:00 2001
From: Pixel <>
Date: Mon, 16 Apr 2001 20:40:13 +0000
Subject: Prout

---
 lib/Makefile.am |  2 +-
 lib/memoire.c   |  7 ++++++-
 lib/simulator.c | 48 ++++++++++++++++++++++++++++++++----------------
 lib/terminal.c  | 34 ++++++++++++++++++++++++++++++++++
 4 files changed, 73 insertions(+), 18 deletions(-)
 create mode 100644 lib/terminal.c

(limited to 'lib')

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 352f089..dedd82d 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -5,7 +5,7 @@ INCLUDES = -I. -I.. -I$(includedir) -I../include
 lib_LTLIBRARIES = libCompilo.la libSimul.la libLinker.la
 
 libCompilo_la_SOURCES = assembler.c parser.c meta.c numbers.c hash.c exceptions.c
-libSimul_la_SOURCES = alu.c simulator.c exceptions.c fpu.c interne.c memoire.c registre.c
+libSimul_la_SOURCES = alu.c simulator.c exceptions.c fpu.c interne.c memoire.c registre.c terminal.c
 libLinker_la_SOURCES = linker.c exceptions.c hash.c
 
 libCompilo_la_LDFLAGS = -version-info $(ProjetArchi_VERSION_INFO)
diff --git a/lib/memoire.c b/lib/memoire.c
index ee99983..48daf0e 100644
--- a/lib/memoire.c
+++ b/lib/memoire.c
@@ -2,6 +2,7 @@
 #include "interne.h"
 #include "simulator.h"
 #include "exceptions.h"
+#include "terminal.h"
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #else
@@ -10,6 +11,8 @@
 
 char temp[BUFSIZ];
 
+Uint32 * memoire_principale;
+
 
 /*****************************************/
 /**                                     **/
@@ -28,7 +31,9 @@ Uint32 LD(Uint32 offset)
 	case 0xffffff01:
 		return (fgetc(stdin));
 	case 0xffffff05:
-		fscanf(stdin, "%i", &i);
+		clearterm();
+		fscanf(input, "%i", &i);
+		initterm();
 		return i;
 	default:
 		if (offset >= TAILLE_MEMOIRE) {
diff --git a/lib/simulator.c b/lib/simulator.c
index 247a8c4..d542a07 100644
--- a/lib/simulator.c
+++ b/lib/simulator.c
@@ -14,19 +14,12 @@
 #include "fpu.h"
 #include "exceptions.h"
 #include "linker.h"
+#include "terminal.h"
 
-/* 
- initialisation de la MP avec un malloc
- fermeture du prog et free
- catch du ctrl-c 
- */
-
-
-int HasToRun = 1, HasToReset;
+int HasToRun = 1, HasToReset = 0, debug = 0;
 
 Uint32 base_addr = 0;
 
-
 Uint32 LireInstruction(void)
 {
 	return (LD(LireRegistrePC()));
@@ -373,22 +366,45 @@ void AfficheReg(void)		//  affiche reg
 
 	for (i = 0; i <= 3; i++) {
 		for (j = 1; j <= 8; j++) {
-			printf("   R%02d   ", (i * 8 + j));
+			fprintf(stderr, "   R%02d   ", (i * 8 + j));
 		}
-		printf("\n");
+		fprintf(stderr, "\n");
 		for (j = 1; j <= 8; j++) {
-			printf("%08lX ", (registre[i * 8 + j - 1]));
+			fprintf(stderr, "%08lX ", (registre[i * 8 + j - 1]));
 		}
-		printf("\n");
+		fprintf(stderr, "\n");
 	}
-	printf("Rg: %08lX  | Rd: %08lX | Flag: %08lX | PC: %08lX\n", LireRegistreRG(), LireRegistreRD(),
+	fprintf(stderr, "Rg: %08lX  | Rd: %08lX | Flag: %08lX | PC: %08lX\n\n", LireRegistreRG(), LireRegistreRD(),
 	       LireRegistreFLAG(), registre[REG_PC]);
-	printf("\n");
 }
 
 void Debogueur(void)
 {
-	AfficheReg();
+	int out = 0;
+
+	while (!out) {
+		AfficheReg();
+		printf("%08lX:%08lX  > ", LireRegistrePC(), LD(LireRegistrePC()));
+	
+		switch (fgetc(input)) {
+		case 'G':
+		case 'g':
+			fprintf(stderr, "Go\n")
+			debug = 0;
+			out = 1;
+			break;
+		case 'p':
+		case 'P':
+			fprintf(stderr, "Proceed\n");
+			out = 1;
+			break;
+		case 'R':
+		case 'r':
+			break;
+		default:
+			fprintf(stderr, _("Help:\nG: go\nP: Proceed\nR: display registers\n\n"); 
+		}
+	}
 }
 
 void ChargeBinaire(char *filename)
diff --git a/lib/terminal.c b/lib/terminal.c
new file mode 100644
index 0000000..df3e61d
--- /dev/null
+++ b/lib/terminal.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <termios.h>
+#include <string.h>
+#include "config.h"
+
+FILE *input;
+struct termios initial_settings, new_settings;
+
+void initterm() {
+	tcgetattr(fileno(input), &initial_settings);
+	new_settings = initial_settings;
+	new_settings.c_lflag &= ~ICANON;
+	new_settings.c_lflag &= ~ECHO;
+	new_settings.c_cc[VMIN] = 1;
+	new_settings.c_cc[VTIME] = 0;
+	new_settings.c_lflag &= ~ISIG;
+
+	if (tcsetattr(fileno(input), TCSANOW, &new_settings) != 0) {
+		exception(1, _("could not set terminal attributes"));
+	}
+
+}
+
+void clearterm() {
+	tcsetattr(fileno(input), TCSANOW, &initial_settings);
+}
+
+void openterm() {
+	if (!(input = fopen("/dev/tty", "r"))) {
+		exception(1, _("could not open terminal"));
+	}
+}
-- 
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