diff options
author | pixel <pixel> | 2004-11-27 21:44:44 +0000 |
---|---|---|
committer | pixel <pixel> | 2004-11-27 21:44:44 +0000 |
commit | d38e80ee04afe582e70150d3884e56c05f3fd7a8 (patch) | |
tree | f2627c50fa22aea89447e8406ac418eb68650d3d /PcsxSrc/Sio.c | |
parent | 50f0dd331f8168fb5b2cd60c70178fad627b7fb6 (diff) |
Large dos2unix commit...
Diffstat (limited to 'PcsxSrc/Sio.c')
-rw-r--r-- | PcsxSrc/Sio.c | 1176 |
1 files changed, 588 insertions, 588 deletions
diff --git a/PcsxSrc/Sio.c b/PcsxSrc/Sio.c index b7cb516..a2cb2a1 100644 --- a/PcsxSrc/Sio.c +++ b/PcsxSrc/Sio.c @@ -1,588 +1,588 @@ -/* Pcsx - Pc Psx Emulator
- * Copyright (C) 1999-2002 Pcsx Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-
-#include "PsxCommon.h"
-
-#ifdef __WIN32__
-#pragma warning(disable:4244)
-#endif
-
-// *** FOR WORKS ON PADS AND MEMORY CARDS *****
-
-static unsigned char buf[256];
-unsigned char cardh[4] = { 0x00, 0x00, 0x5a, 0x5d };
-
-//static unsigned short StatReg = 0x002b;
-// Transfer(?) Ready and the Buffer is Empty
-unsigned short StatReg = TX_RDY | TX_EMPTY;
-unsigned short ModeReg;
-unsigned short CtrlReg;
-unsigned short BaudReg;
-
-static unsigned long bufcount;
-static unsigned long parp;
-static unsigned long mcdst,rdwr;
-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
-// 4us * 8bits = ((PSXCLK / 1000000) * 32) / BIAS; (linuzappz)
-#define SIO_INT() { \
- if (!Config.Sio) { \
- psxRegs.interrupt |= 0x80; \
- psxRegs.intCycle[7+1] = 200; /*270;*/ \
- psxRegs.intCycle[7] = psxRegs.cycle; \
- } \
-}
-
-unsigned char sioRead8() {
- unsigned char ret = 0;
-
- if ((StatReg & RX_RDY)/* && (CtrlReg & RX_PERM)*/) {
-// StatReg &= ~RX_OVERRUN;
- ret = buf[parp];
- if (parp == bufcount) {
- StatReg &= ~RX_RDY; // Receive is not Ready now?
- StatReg |= TX_EMPTY; // Buffer is Empty
- if (mcdst == 5) {
- mcdst = 0;
- if (rdwr == 2) {
- switch (CtrlReg&0x2002) {
- case 0x0002:
- memcpy(Mcd1Data + (adrL | (adrH << 8)) * 128, &buf[1], 128);
- SaveMcd(Config.Mcd1, Mcd1Data, (adrL | (adrH << 8)) * 128, 128);
- break;
- case 0x2002:
- memcpy(Mcd2Data + (adrL | (adrH << 8)) * 128, &buf[1], 128);
- SaveMcd(Config.Mcd2, Mcd2Data, (adrL | (adrH << 8)) * 128, 128);
- break;
- }
- }
- }
- if (padst == 2) padst = 0;
- if (mcdst == 1) {
- mcdst = 2;
- StatReg&= ~TX_EMPTY;
- StatReg|= RX_RDY;
- }
- }
- }
-
-#ifdef PAD_LOG
- PAD_LOG("sio read8 ;ret = %x\n", ret);
-#endif
- return ret;
-}
-
-void sioWrite8(unsigned char value) {
-#ifdef PAD_LOG
- PAD_LOG("sio write8 %x\n", value);
-#endif
- switch (padst) {
- case 1: SIO_INT();
- if ((value&0x40) == 0x40) {
- padst = 2; parp = 1;
- switch (CtrlReg&0x2002) {
- case 0x0002:
- buf[parp] = PAD1_poll(value);
- break;
- case 0x2002:
- buf[parp] = PAD2_poll(value);
- break;
- }
- if (!(buf[parp] & 0x0f)) {
- bufcount = 2 + 32;
- } else {
- bufcount = 2 + (buf[parp] & 0x0f) * 2;
- }
- if (buf[parp] == 0x41) {
- switch (value) {
- case 0x43:
- buf[1] = 0x43;
- break;
- case 0x45:
- buf[1] = 0xf3;
- break;
- }
- }
- }
- else padst = 0;
- return;
- case 2:
- parp++;
-/* if (buf[1] == 0x45) {
- buf[parp] = 0;
- SIO_INT();
- return;
- }*/
- switch (CtrlReg&0x2002) {
- case 0x0002: buf[parp] = PAD1_poll(value); break;
- case 0x2002: buf[parp] = PAD2_poll(value); break;
- }
- if (parp == bufcount) { padst = 0; return; }
- SIO_INT();
- return;
- }
-
- switch (mcdst) {
- case 1:
- SIO_INT();
- if (rdwr) { parp++; return; }
- parp = 1;
- switch (value) {
- case 0x52: rdwr = 1; break;
- case 0x57: rdwr = 2; break;
- default: mcdst = 0;
- }
- return;
- case 2: // address H
- SIO_INT();
- adrH = value;
- *buf = 0;
- parp = 0;
- bufcount = 1;
- mcdst = 3;
- return;
- case 3: // address L
- SIO_INT();
- adrL = value;
- *buf = adrH;
- parp = 0;
- bufcount = 1;
- mcdst = 4;
- return;
- case 4:
- SIO_INT();
- parp = 0;
- switch (rdwr) {
- case 1: // read
- buf[0] = 0x5c;
- buf[1] = 0x5d;
- buf[2] = adrH;
- buf[3] = adrL;
- switch (CtrlReg&0x2002) {
- case 0x0002:
- memcpy(&buf[4], Mcd1Data + (adrL | (adrH << 8)) * 128, 128);
- break;
- case 0x2002:
- memcpy(&buf[4], Mcd2Data + (adrL | (adrH << 8)) * 128, 128);
- break;
- }
- {
- char xor = 0;
- int i;
- for (i=2;i<128+4;i++)
- xor^=buf[i];
- buf[132] = xor;
- }
- buf[133] = 0x47;
- bufcount = 133;
- break;
- case 2: // write
- buf[0] = adrL;
- buf[1] = value;
- buf[129] = 0x5c;
- buf[130] = 0x5d;
- buf[131] = 0x47;
- bufcount = 131;
- break;
- }
- mcdst = 5;
- return;
- case 5:
- parp++;
- if (rdwr == 2) {
- if (parp < 128) buf[parp+1] = value;
- }
- SIO_INT();
- return;
- }
-
- switch (value) {
- case 0x01: // start pad
- StatReg &= ~TX_EMPTY; // Now the Buffer is not empty
- StatReg |= RX_RDY; // Transfer is Ready
-
- switch (CtrlReg&0x2002) {
- case 0x0002: buf[0] = PAD1_startPoll(1); break;
- case 0x2002: buf[0] = PAD2_startPoll(2); break;
- }
-
- bufcount = 2;
- parp = 0;
- padst = 1;
- SIO_INT();
- return;
- case 0x81: // start memcard
- StatReg &= ~TX_EMPTY;
- StatReg |= RX_RDY;
- memcpy(buf, cardh, 4);
- parp = 0;
- bufcount = 3;
- mcdst = 1;
- rdwr = 0;
- SIO_INT();
- return;
- }
-}
-
-void sioWriteCtrl16(unsigned short value) {
- CtrlReg = value & ~RESET_ERR;
- if (value & RESET_ERR) StatReg &= ~IRQ;
- if ((CtrlReg & SIO_RESET) || (!CtrlReg)) {
- padst = 0; mcdst = 0; parp = 0;
- StatReg = TX_RDY | TX_EMPTY;
- psxRegs.interrupt&=~0x80;
- }
-}
-
-void sioInterrupt() {
-#ifdef PAD_LOG
- PAD_LOG("Sio Interrupt\n");
-#endif
- StatReg|= IRQ;
- psxHu32(0x1070)|=0x80;
-}
-
-void LoadMcd(int mcd, char *str) {
- FILE *f;
- char *data = NULL;
-
- if (mcd == 1) data = Mcd1Data;
- if (mcd == 2) data = Mcd2Data;
-
- if (*str == 0) sprintf(str, "memcards/Mcd00%d.mcr", mcd);
- f = fopen(str, "rb");
- if (f == NULL) {
- CreateMcd(str);
- f = fopen(str, "rb");
- if (f != NULL) {
- struct stat buf;
-
- if (stat(str, &buf) != -1) {
- if (buf.st_size == MCD_SIZE + 64)
- fseek(f, 64, SEEK_SET);
- else if(buf.st_size == MCD_SIZE + 3904)
- fseek(f, 3904, SEEK_SET);
- }
- fread(data, 1, MCD_SIZE, f);
- fclose(f);
- }
- else SysMessage ("Failed loading MemCard %s\n", str);
- }
- else {
- struct stat buf;
-
- if (stat(str, &buf) != -1) {
- if (buf.st_size == MCD_SIZE + 64)
- fseek(f, 64, SEEK_SET);
- else if(buf.st_size == MCD_SIZE + 3904)
- fseek(f, 3904, SEEK_SET);
- }
- fread(data, 1, MCD_SIZE, f);
- fclose(f);
- }
-}
-
-void LoadMcds(char *mcd1, char *mcd2) {
- LoadMcd(1, mcd1);
- LoadMcd(2, mcd2);
-}
-
-void SaveMcd(char *mcd, char *data, unsigned long adr, int size) {
- FILE *f;
-
- f = fopen(mcd, "r+b");
- if (f != NULL) {
- struct stat buf;
-
- if (stat(mcd, &buf) != -1) {
- if (buf.st_size == MCD_SIZE + 64)
- fseek(f, adr + 64, SEEK_SET);
- else if (buf.st_size == MCD_SIZE + 3904)
- fseek(f, adr + 3904, SEEK_SET);
- else
- fseek(f, adr, SEEK_SET);
- } else fseek(f, adr, SEEK_SET);
-
- fwrite(data + adr, 1, size, f);
- fclose(f);
- return;
- }
-
- // try to create it again if we can't open it
- /*f = fopen(mcd, "wb");
- if (f != NULL) {
- fwrite(data, 1, MCD_SIZE, f);
- fclose(f);
- }*/
- ConvertMcd(mcd, data);
-}
-
-void CreateMcd(char *mcd) {
- FILE *f;
- struct stat buf;
- int s = MCD_SIZE;
- int i=0;
- strlwr(mcd);
-
- f = fopen(mcd, "wb");
- if (f == NULL) return;
-
- if(stat(mcd, &buf)!=-1) {
- if ((buf.st_size == MCD_SIZE + 3904) || strstr(mcd, ".gme")) {
- s = s + 3904;
- fputc('1', f); s--;
- fputc('2', f); s--;
- fputc('3', f); s--;
- fputc('-', f); s--;
- fputc('4', f); s--;
- fputc('5', f); s--;
- fputc('6', f); s--;
- fputc('-', f); s--;
- fputc('S', f); s--;
- fputc('T', f); s--;
- fputc('D', f); s--;
- for(i=0;i<7;i++) {
- fputc(0, f); s--;
- }
- fputc(1, f); s--;
- fputc(0, f); s--;
- fputc(1, f); s--;
- fputc('M', f); s--;
- fputc('Q', f); s--;
- for(i=0;i<14;i++) {
- fputc(0xa0, f); s--;
- }
- fputc(0, f); s--;
- fputc(0xff, f);
- while (s-- > (MCD_SIZE+1)) fputc(0, f);
- } else if ((buf.st_size == MCD_SIZE + 64) || strstr(mcd, ".mem") || strstr(mcd, ".vgs")) {
- s = s + 64;
- fputc('V', f); s--;
- fputc('g', f); s--;
- fputc('s', f); s--;
- fputc('M', f); s--;
- for(i=0;i<3;i++) {
- fputc(1, f); s--;
- fputc(0, f); s--;
- fputc(0, f); s--;
- fputc(0, f); s--;
- }
- fputc(0, f); s--;
- fputc(2, f);
- while (s-- > (MCD_SIZE+1)) fputc(0, f);
- }
- }
- fputc('M', f); s--;
- fputc('C', f); s--;
- while (s-- > (MCD_SIZE-127)) fputc(0, f);
- fputc(0xe, f); s--;
- while ((s--)>=0)
- fputc(0, f);
- fclose(f);
-}
-
-void ConvertMcd(char *mcd, char *data) {
- FILE *f;
- int i=0;
- int s = MCD_SIZE;
- strlwr(mcd);
-
- if (strstr(mcd, ".gme")) {
- f = fopen(mcd, "wb");
- if (f != NULL) {
- fwrite(data-3904, 1, MCD_SIZE+3904, f);
- fclose(f);
- }
- f = fopen(mcd, "r+");
- s = s + 3904;
- fputc('1', f); s--;
- fputc('2', f); s--;
- fputc('3', f); s--;
- fputc('-', f); s--;
- fputc('4', f); s--;
- fputc('5', f); s--;
- fputc('6', f); s--;
- fputc('-', f); s--;
- fputc('S', f); s--;
- fputc('T', f); s--;
- fputc('D', f); s--;
- for(i=0;i<7;i++) {
- fputc(0, f); s--;
- }
- fputc(1, f); s--;
- fputc(0, f); s--;
- fputc(1, f); s--;
- fputc('M', f); s--;
- fputc('Q', f); s--;
- for(i=0;i<14;i++) {
- fputc(0xa0, f); s--;
- }
- fputc(0, f); s--;
- fputc(0xff, f);
- while (s-- > (MCD_SIZE+1)) fputc(0, f);
- fclose(f);
- } else if(strstr(mcd, ".mem") || strstr(mcd,".vgs")) {
- f = fopen(mcd, "wb");
- if (f != NULL) {
- fwrite(data-64, 1, MCD_SIZE+64, f);
- fclose(f);
- }
- f = fopen(mcd, "r+");
- s = s + 64;
- fputc('V', f); s--;
- fputc('g', f); s--;
- fputc('s', f); s--;
- fputc('M', f); s--;
- for(i=0;i<3;i++) {
- fputc(1, f); s--;
- fputc(0, f); s--;
- fputc(0, f); s--;
- fputc(0, f); s--;
- }
- fputc(0, f); s--;
- fputc(2, f);
- while (s-- > (MCD_SIZE+1)) fputc(0, f);
- fclose(f);
- } else {
- f = fopen(mcd, "wb");
- if (f != NULL) {
- fwrite(data, 1, MCD_SIZE, f);
- fclose(f);
- }
- }
-}
-
-void GetMcdBlockInfo(int mcd, int block, McdBlock *Info) {
- unsigned char *data = NULL, *ptr, *str;
- unsigned short clut[16];
- unsigned short c;
- int i, x;
-
- memset(Info, 0, sizeof(McdBlock));
-
- str = Info->Title;
-
- if (mcd == 1) data = Mcd1Data;
- if (mcd == 2) data = Mcd2Data;
-
- ptr = data + block * 8192 + 2;
-
- Info->IconCount = *ptr & 0x3;
-
- ptr+= 2;
-
- i=0;
-
- for (i=0; i < 48; i++) {
- c = *(ptr) << 8;
- c|= *(ptr+1);
- if (!c) break;
-
-
- if (c >= 0x8281 && c <= 0x8298)
- c = (c - 0x8281) + 'a';
- else if (c >= 0x824F && c <= 0x827A)
- c = (c - 0x824F) + '0';
- else if (c == 0x8144) c = '.';
- else if (c == 0x8146) c = ':';
- else if (c == 0x8168) c = '"';
- else if (c == 0x8169) c = '(';
- else if (c == 0x816A) c = ')';
- else if (c == 0x816D) c = '[';
- else if (c == 0x816E) c = ']';
- else if (c == 0x817C) c = '-';
- else {
- c = ' ';
- }
-
- str[i] = c;
- ptr+=2;
- }
- str[i] = 0;
-
- ptr = data + block * 8192 + 0x60; // icon palete data
-
- for (i=0; i<16; i++) {
- clut[i] = *((unsigned short*)ptr);
- ptr+=2;
- }
-
- for (i=0; i<Info->IconCount; i++) {
- short *icon = &Info->Icon[i*16*16];
-
- ptr = data + block * 8192 + 128 + 128 * i; // icon data
-
- for (x=0; x<16*16; x++) {
- icon[x++] = clut[*ptr & 0xf];
- icon[x] = clut[*ptr >> 4];
- ptr++;
- }
- }
-
- ptr = data + block * 128;
-
- Info->Flags = *ptr;
-
- ptr+= 0xa;
- strncpy(Info->ID, ptr, 12);
- Info->ID[12] = 0;
- ptr+= 12;
- strcpy(Info->Name, ptr);
-}
-
-int sioFreeze(gzFile f, int Mode) {
- char Unused[4096];
-
- gzfreezel(buf);
- gzfreezel(&StatReg);
- gzfreezel(&ModeReg);
- gzfreezel(&CtrlReg);
- gzfreezel(&BaudReg);
- gzfreezel(&bufcount);
- gzfreezel(&parp);
- gzfreezel(&mcdst);
- gzfreezel(&rdwr);
- gzfreezel(&adrH);
- gzfreezel(&adrL);
- gzfreezel(&padst);
- gzfreezel(Unused);
-
- return 0;
-}
+/* Pcsx - Pc Psx Emulator + * Copyright (C) 1999-2002 Pcsx Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <sys/stat.h> + +#include "PsxCommon.h" + +#ifdef __WIN32__ +#pragma warning(disable:4244) +#endif + +// *** FOR WORKS ON PADS AND MEMORY CARDS ***** + +static unsigned char buf[256]; +unsigned char cardh[4] = { 0x00, 0x00, 0x5a, 0x5d }; + +//static unsigned short StatReg = 0x002b; +// Transfer(?) Ready and the Buffer is Empty +unsigned short StatReg = TX_RDY | TX_EMPTY; +unsigned short ModeReg; +unsigned short CtrlReg; +unsigned short BaudReg; + +static unsigned long bufcount; +static unsigned long parp; +static unsigned long mcdst,rdwr; +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 +// 4us * 8bits = ((PSXCLK / 1000000) * 32) / BIAS; (linuzappz) +#define SIO_INT() { \ + if (!Config.Sio) { \ + psxRegs.interrupt |= 0x80; \ + psxRegs.intCycle[7+1] = 200; /*270;*/ \ + psxRegs.intCycle[7] = psxRegs.cycle; \ + } \ +} + +unsigned char sioRead8() { + unsigned char ret = 0; + + if ((StatReg & RX_RDY)/* && (CtrlReg & RX_PERM)*/) { +// StatReg &= ~RX_OVERRUN; + ret = buf[parp]; + if (parp == bufcount) { + StatReg &= ~RX_RDY; // Receive is not Ready now? + StatReg |= TX_EMPTY; // Buffer is Empty + if (mcdst == 5) { + mcdst = 0; + if (rdwr == 2) { + switch (CtrlReg&0x2002) { + case 0x0002: + memcpy(Mcd1Data + (adrL | (adrH << 8)) * 128, &buf[1], 128); + SaveMcd(Config.Mcd1, Mcd1Data, (adrL | (adrH << 8)) * 128, 128); + break; + case 0x2002: + memcpy(Mcd2Data + (adrL | (adrH << 8)) * 128, &buf[1], 128); + SaveMcd(Config.Mcd2, Mcd2Data, (adrL | (adrH << 8)) * 128, 128); + break; + } + } + } + if (padst == 2) padst = 0; + if (mcdst == 1) { + mcdst = 2; + StatReg&= ~TX_EMPTY; + StatReg|= RX_RDY; + } + } + } + +#ifdef PAD_LOG + PAD_LOG("sio read8 ;ret = %x\n", ret); +#endif + return ret; +} + +void sioWrite8(unsigned char value) { +#ifdef PAD_LOG + PAD_LOG("sio write8 %x\n", value); +#endif + switch (padst) { + case 1: SIO_INT(); + if ((value&0x40) == 0x40) { + padst = 2; parp = 1; + switch (CtrlReg&0x2002) { + case 0x0002: + buf[parp] = PAD1_poll(value); + break; + case 0x2002: + buf[parp] = PAD2_poll(value); + break; + } + if (!(buf[parp] & 0x0f)) { + bufcount = 2 + 32; + } else { + bufcount = 2 + (buf[parp] & 0x0f) * 2; + } + if (buf[parp] == 0x41) { + switch (value) { + case 0x43: + buf[1] = 0x43; + break; + case 0x45: + buf[1] = 0xf3; + break; + } + } + } + else padst = 0; + return; + case 2: + parp++; +/* if (buf[1] == 0x45) { + buf[parp] = 0; + SIO_INT(); + return; + }*/ + switch (CtrlReg&0x2002) { + case 0x0002: buf[parp] = PAD1_poll(value); break; + case 0x2002: buf[parp] = PAD2_poll(value); break; + } + if (parp == bufcount) { padst = 0; return; } + SIO_INT(); + return; + } + + switch (mcdst) { + case 1: + SIO_INT(); + if (rdwr) { parp++; return; } + parp = 1; + switch (value) { + case 0x52: rdwr = 1; break; + case 0x57: rdwr = 2; break; + default: mcdst = 0; + } + return; + case 2: // address H + SIO_INT(); + adrH = value; + *buf = 0; + parp = 0; + bufcount = 1; + mcdst = 3; + return; + case 3: // address L + SIO_INT(); + adrL = value; + *buf = adrH; + parp = 0; + bufcount = 1; + mcdst = 4; + return; + case 4: + SIO_INT(); + parp = 0; + switch (rdwr) { + case 1: // read + buf[0] = 0x5c; + buf[1] = 0x5d; + buf[2] = adrH; + buf[3] = adrL; + switch (CtrlReg&0x2002) { + case 0x0002: + memcpy(&buf[4], Mcd1Data + (adrL | (adrH << 8)) * 128, 128); + break; + case 0x2002: + memcpy(&buf[4], Mcd2Data + (adrL | (adrH << 8)) * 128, 128); + break; + } + { + char xor = 0; + int i; + for (i=2;i<128+4;i++) + xor^=buf[i]; + buf[132] = xor; + } + buf[133] = 0x47; + bufcount = 133; + break; + case 2: // write + buf[0] = adrL; + buf[1] = value; + buf[129] = 0x5c; + buf[130] = 0x5d; + buf[131] = 0x47; + bufcount = 131; + break; + } + mcdst = 5; + return; + case 5: + parp++; + if (rdwr == 2) { + if (parp < 128) buf[parp+1] = value; + } + SIO_INT(); + return; + } + + switch (value) { + case 0x01: // start pad + StatReg &= ~TX_EMPTY; // Now the Buffer is not empty + StatReg |= RX_RDY; // Transfer is Ready + + switch (CtrlReg&0x2002) { + case 0x0002: buf[0] = PAD1_startPoll(1); break; + case 0x2002: buf[0] = PAD2_startPoll(2); break; + } + + bufcount = 2; + parp = 0; + padst = 1; + SIO_INT(); + return; + case 0x81: // start memcard + StatReg &= ~TX_EMPTY; + StatReg |= RX_RDY; + memcpy(buf, cardh, 4); + parp = 0; + bufcount = 3; + mcdst = 1; + rdwr = 0; + SIO_INT(); + return; + } +} + +void sioWriteCtrl16(unsigned short value) { + CtrlReg = value & ~RESET_ERR; + if (value & RESET_ERR) StatReg &= ~IRQ; + if ((CtrlReg & SIO_RESET) || (!CtrlReg)) { + padst = 0; mcdst = 0; parp = 0; + StatReg = TX_RDY | TX_EMPTY; + psxRegs.interrupt&=~0x80; + } +} + +void sioInterrupt() { +#ifdef PAD_LOG + PAD_LOG("Sio Interrupt\n"); +#endif + StatReg|= IRQ; + psxHu32(0x1070)|=0x80; +} + +void LoadMcd(int mcd, char *str) { + FILE *f; + char *data = NULL; + + if (mcd == 1) data = Mcd1Data; + if (mcd == 2) data = Mcd2Data; + + if (*str == 0) sprintf(str, "memcards/Mcd00%d.mcr", mcd); + f = fopen(str, "rb"); + if (f == NULL) { + CreateMcd(str); + f = fopen(str, "rb"); + if (f != NULL) { + struct stat buf; + + if (stat(str, &buf) != -1) { + if (buf.st_size == MCD_SIZE + 64) + fseek(f, 64, SEEK_SET); + else if(buf.st_size == MCD_SIZE + 3904) + fseek(f, 3904, SEEK_SET); + } + fread(data, 1, MCD_SIZE, f); + fclose(f); + } + else SysMessage ("Failed loading MemCard %s\n", str); + } + else { + struct stat buf; + + if (stat(str, &buf) != -1) { + if (buf.st_size == MCD_SIZE + 64) + fseek(f, 64, SEEK_SET); + else if(buf.st_size == MCD_SIZE + 3904) + fseek(f, 3904, SEEK_SET); + } + fread(data, 1, MCD_SIZE, f); + fclose(f); + } +} + +void LoadMcds(char *mcd1, char *mcd2) { + LoadMcd(1, mcd1); + LoadMcd(2, mcd2); +} + +void SaveMcd(char *mcd, char *data, unsigned long adr, int size) { + FILE *f; + + f = fopen(mcd, "r+b"); + if (f != NULL) { + struct stat buf; + + if (stat(mcd, &buf) != -1) { + if (buf.st_size == MCD_SIZE + 64) + fseek(f, adr + 64, SEEK_SET); + else if (buf.st_size == MCD_SIZE + 3904) + fseek(f, adr + 3904, SEEK_SET); + else + fseek(f, adr, SEEK_SET); + } else fseek(f, adr, SEEK_SET); + + fwrite(data + adr, 1, size, f); + fclose(f); + return; + } + + // try to create it again if we can't open it + /*f = fopen(mcd, "wb"); + if (f != NULL) { + fwrite(data, 1, MCD_SIZE, f); + fclose(f); + }*/ + ConvertMcd(mcd, data); +} + +void CreateMcd(char *mcd) { + FILE *f; + struct stat buf; + int s = MCD_SIZE; + int i=0; + strlwr(mcd); + + f = fopen(mcd, "wb"); + if (f == NULL) return; + + if(stat(mcd, &buf)!=-1) { + if ((buf.st_size == MCD_SIZE + 3904) || strstr(mcd, ".gme")) { + s = s + 3904; + fputc('1', f); s--; + fputc('2', f); s--; + fputc('3', f); s--; + fputc('-', f); s--; + fputc('4', f); s--; + fputc('5', f); s--; + fputc('6', f); s--; + fputc('-', f); s--; + fputc('S', f); s--; + fputc('T', f); s--; + fputc('D', f); s--; + for(i=0;i<7;i++) { + fputc(0, f); s--; + } + fputc(1, f); s--; + fputc(0, f); s--; + fputc(1, f); s--; + fputc('M', f); s--; + fputc('Q', f); s--; + for(i=0;i<14;i++) { + fputc(0xa0, f); s--; + } + fputc(0, f); s--; + fputc(0xff, f); + while (s-- > (MCD_SIZE+1)) fputc(0, f); + } else if ((buf.st_size == MCD_SIZE + 64) || strstr(mcd, ".mem") || strstr(mcd, ".vgs")) { + s = s + 64; + fputc('V', f); s--; + fputc('g', f); s--; + fputc('s', f); s--; + fputc('M', f); s--; + for(i=0;i<3;i++) { + fputc(1, f); s--; + fputc(0, f); s--; + fputc(0, f); s--; + fputc(0, f); s--; + } + fputc(0, f); s--; + fputc(2, f); + while (s-- > (MCD_SIZE+1)) fputc(0, f); + } + } + fputc('M', f); s--; + fputc('C', f); s--; + while (s-- > (MCD_SIZE-127)) fputc(0, f); + fputc(0xe, f); s--; + while ((s--)>=0) + fputc(0, f); + fclose(f); +} + +void ConvertMcd(char *mcd, char *data) { + FILE *f; + int i=0; + int s = MCD_SIZE; + strlwr(mcd); + + if (strstr(mcd, ".gme")) { + f = fopen(mcd, "wb"); + if (f != NULL) { + fwrite(data-3904, 1, MCD_SIZE+3904, f); + fclose(f); + } + f = fopen(mcd, "r+"); + s = s + 3904; + fputc('1', f); s--; + fputc('2', f); s--; + fputc('3', f); s--; + fputc('-', f); s--; + fputc('4', f); s--; + fputc('5', f); s--; + fputc('6', f); s--; + fputc('-', f); s--; + fputc('S', f); s--; + fputc('T', f); s--; + fputc('D', f); s--; + for(i=0;i<7;i++) { + fputc(0, f); s--; + } + fputc(1, f); s--; + fputc(0, f); s--; + fputc(1, f); s--; + fputc('M', f); s--; + fputc('Q', f); s--; + for(i=0;i<14;i++) { + fputc(0xa0, f); s--; + } + fputc(0, f); s--; + fputc(0xff, f); + while (s-- > (MCD_SIZE+1)) fputc(0, f); + fclose(f); + } else if(strstr(mcd, ".mem") || strstr(mcd,".vgs")) { + f = fopen(mcd, "wb"); + if (f != NULL) { + fwrite(data-64, 1, MCD_SIZE+64, f); + fclose(f); + } + f = fopen(mcd, "r+"); + s = s + 64; + fputc('V', f); s--; + fputc('g', f); s--; + fputc('s', f); s--; + fputc('M', f); s--; + for(i=0;i<3;i++) { + fputc(1, f); s--; + fputc(0, f); s--; + fputc(0, f); s--; + fputc(0, f); s--; + } + fputc(0, f); s--; + fputc(2, f); + while (s-- > (MCD_SIZE+1)) fputc(0, f); + fclose(f); + } else { + f = fopen(mcd, "wb"); + if (f != NULL) { + fwrite(data, 1, MCD_SIZE, f); + fclose(f); + } + } +} + +void GetMcdBlockInfo(int mcd, int block, McdBlock *Info) { + unsigned char *data = NULL, *ptr, *str; + unsigned short clut[16]; + unsigned short c; + int i, x; + + memset(Info, 0, sizeof(McdBlock)); + + str = Info->Title; + + if (mcd == 1) data = Mcd1Data; + if (mcd == 2) data = Mcd2Data; + + ptr = data + block * 8192 + 2; + + Info->IconCount = *ptr & 0x3; + + ptr+= 2; + + i=0; + + for (i=0; i < 48; i++) { + c = *(ptr) << 8; + c|= *(ptr+1); + if (!c) break; + + + if (c >= 0x8281 && c <= 0x8298) + c = (c - 0x8281) + 'a'; + else if (c >= 0x824F && c <= 0x827A) + c = (c - 0x824F) + '0'; + else if (c == 0x8144) c = '.'; + else if (c == 0x8146) c = ':'; + else if (c == 0x8168) c = '"'; + else if (c == 0x8169) c = '('; + else if (c == 0x816A) c = ')'; + else if (c == 0x816D) c = '['; + else if (c == 0x816E) c = ']'; + else if (c == 0x817C) c = '-'; + else { + c = ' '; + } + + str[i] = c; + ptr+=2; + } + str[i] = 0; + + ptr = data + block * 8192 + 0x60; // icon palete data + + for (i=0; i<16; i++) { + clut[i] = *((unsigned short*)ptr); + ptr+=2; + } + + for (i=0; i<Info->IconCount; i++) { + short *icon = &Info->Icon[i*16*16]; + + ptr = data + block * 8192 + 128 + 128 * i; // icon data + + for (x=0; x<16*16; x++) { + icon[x++] = clut[*ptr & 0xf]; + icon[x] = clut[*ptr >> 4]; + ptr++; + } + } + + ptr = data + block * 128; + + Info->Flags = *ptr; + + ptr+= 0xa; + strncpy(Info->ID, ptr, 12); + Info->ID[12] = 0; + ptr+= 12; + strcpy(Info->Name, ptr); +} + +int sioFreeze(gzFile f, int Mode) { + char Unused[4096]; + + gzfreezel(buf); + gzfreezel(&StatReg); + gzfreezel(&ModeReg); + gzfreezel(&CtrlReg); + gzfreezel(&BaudReg); + gzfreezel(&bufcount); + gzfreezel(&parp); + gzfreezel(&mcdst); + gzfreezel(&rdwr); + gzfreezel(&adrH); + gzfreezel(&adrL); + gzfreezel(&padst); + gzfreezel(Unused); + + return 0; +} |