X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fsio.c;h=b3732d298ba623ad296c9a640931354e30c8b53a;hp=81fe0ea1ac695e494deb2d53fa8b42ec826d9e55;hb=HEAD;hpb=aa35134a834ff7e98b5a474c3db399a3d660da22 diff --git a/libpcsxcore/sio.c b/libpcsxcore/sio.c index 81fe0ea1..0bc763ca 100644 --- a/libpcsxcore/sio.c +++ b/libpcsxcore/sio.c @@ -21,9 +21,16 @@ * SIO functions. */ +#include "misc.h" +#include "psxcounters.h" +#include "psxevents.h" #include "sio.h" #include +#ifdef USE_LIBRETRO_VFS +#include +#endif + // Status Flags #define TX_RDY 0x0001 #define RX_RDY 0x0002 @@ -67,81 +74,55 @@ static unsigned int padst; char Mcd1Data[MCD_SIZE], Mcd2Data[MCD_SIZE]; char McdDisable[2]; -#define SIO_INT(eCycle) { \ - if (!Config.Sio) { \ - psxRegs.interrupt |= (1 << PSXINT_SIO); \ - psxRegs.intCycle[PSXINT_SIO].cycle = eCycle; \ - psxRegs.intCycle[PSXINT_SIO].sCycle = psxRegs.cycle; \ - new_dyna_set_event(PSXINT_SIO, eCycle); \ - } \ -} - // clk cycle byte // 4us * 8bits = (PSXCLK / 1000000) * 32; (linuzappz) // TODO: add SioModePrescaler and BaudReg #define SIO_CYCLES 535 void sioWrite8(unsigned char value) { -#ifdef PAD_LOG - PAD_LOG("sio write8 %x\n", value); + int more_data = 0; +#if 0 + s32 framec = psxRegs.cycle - rcnts[3].cycleStart; + printf("%d:%03d sio write8 %04x %02x\n", frame_counter, + (s32)(framec / (PSXCLK / 60 / 263.0f)), CtrlReg, value); #endif switch (padst) { - case 1: SIO_INT(SIO_CYCLES); + case 1: if ((value & 0x40) == 0x40) { padst = 2; parp = 1; - if (!Config.UseNet) { - switch (CtrlReg & 0x2002) { - case 0x0002: - buf[parp] = PAD1_poll(value); - break; - case 0x2002: - buf[parp] = PAD2_poll(value); - break; - } - }/* else { -// SysPrintf("%x: %x, %x, %x, %x\n", CtrlReg&0x2002, buf[2], buf[3], buf[4], buf[5]); - }*/ - - if (!(buf[parp] & 0x0f)) { - bufcount = 2 + 32; - } else { - bufcount = 2 + (buf[parp] & 0x0f) * 2; + switch (CtrlReg & 0x2002) { + case 0x0002: + buf[parp] = PAD1_poll(value, &more_data); + break; + case 0x2002: + buf[parp] = PAD2_poll(value, &more_data); + break; } - if (buf[parp] == 0x41) { - switch (value) { - case 0x43: - buf[1] = 0x43; - break; - case 0x45: - buf[1] = 0xf3; - break; - } + + if (more_data) { + bufcount = parp + 1; + set_event(PSXINT_SIO, SIO_CYCLES); } } else padst = 0; return; case 2: parp++; -/* if (buf[1] == 0x45) { - buf[parp] = 0; - SIO_INT(SIO_CYCLES); - return; - }*/ - if (!Config.UseNet) { - switch (CtrlReg & 0x2002) { - case 0x0002: buf[parp] = PAD1_poll(value); break; - case 0x2002: buf[parp] = PAD2_poll(value); break; - } + switch (CtrlReg & 0x2002) { + case 0x0002: buf[parp] = PAD1_poll(value, &more_data); break; + case 0x2002: buf[parp] = PAD2_poll(value, &more_data); break; } - if (parp == bufcount) { padst = 0; return; } - SIO_INT(SIO_CYCLES); + if (more_data) { + bufcount = parp + 1; + set_event(PSXINT_SIO, SIO_CYCLES); + } return; } switch (mcdst) { case 1: - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); if (rdwr) { parp++; return; } parp = 1; switch (value) { @@ -151,7 +132,7 @@ void sioWrite8(unsigned char value) { } return; case 2: // address H - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); adrH = value; *buf = 0; parp = 0; @@ -159,7 +140,7 @@ void sioWrite8(unsigned char value) { mcdst = 3; return; case 3: // address L - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); adrL = value; *buf = adrH; parp = 0; @@ -167,7 +148,7 @@ void sioWrite8(unsigned char value) { mcdst = 4; return; case 4: - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); parp = 0; switch (rdwr) { case 1: // read @@ -217,7 +198,7 @@ void sioWrite8(unsigned char value) { if (rdwr == 2) { if (parp < 128) buf[parp + 1] = value; } - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); return; } @@ -225,47 +206,14 @@ void sioWrite8(unsigned char value) { case 0x01: // start pad StatReg |= RX_RDY; // Transfer is Ready - if (!Config.UseNet) { - switch (CtrlReg & 0x2002) { - case 0x0002: buf[0] = PAD1_startPoll(1); break; - case 0x2002: buf[0] = PAD2_startPoll(2); break; - } - } else { - if ((CtrlReg & 0x2002) == 0x0002) { - int i, j; - - PAD1_startPoll(1); - buf[0] = 0; - buf[1] = PAD1_poll(0x42); - if (!(buf[1] & 0x0f)) { - bufcount = 32; - } else { - bufcount = (buf[1] & 0x0f) * 2; - } - buf[2] = PAD1_poll(0); - i = 3; - j = bufcount; - while (j--) { - buf[i++] = PAD1_poll(0); - } - bufcount+= 3; - - if (NET_sendPadData(buf, bufcount) == -1) - netError(); - - if (NET_recvPadData(buf, 1) == -1) - netError(); - if (NET_recvPadData(buf + 128, 2) == -1) - netError(); - } else { - memcpy(buf, buf + 128, 32); - } + switch (CtrlReg & 0x2002) { + case 0x0002: buf[0] = PAD1_startPoll(1); break; + case 0x2002: buf[0] = PAD2_startPoll(2); break; } - - bufcount = 2; + bufcount = 1; parp = 0; padst = 1; - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); return; case 0x81: // start memcard if (CtrlReg & 0x2000) @@ -285,7 +233,7 @@ void sioWrite8(unsigned char value) { bufcount = 3; mcdst = 1; rdwr = 0; - SIO_INT(SIO_CYCLES); + set_event(PSXINT_SIO, SIO_CYCLES); return; default: no_device: @@ -349,8 +297,10 @@ unsigned char sioRead8() { } } -#ifdef PAD_LOG - PAD_LOG("sio read8 ;ret = %x\n", ret); +#if 0 + s32 framec = psxRegs.cycle - rcnts[3].cycleStart; + printf("%d:%03d sio read8 %04x %02x\n", frame_counter, + (s32)((float)framec / (PSXCLK / 60 / 263.0f)), CtrlReg, ret); #endif return ret; } @@ -371,16 +321,6 @@ unsigned short sioReadBaud16() { return BaudReg; } -void netError() { - ClosePlugins(); - SysMessage(_("Connection closed!\n")); - - CdromId[0] = '\0'; - CdromLabel[0] = '\0'; - - SysRunGui(); -} - void sioInterrupt() { #ifdef PAD_LOG PAD_LOG("Sio Interrupt (CP0.Status = %x)\n", psxRegs.CP0.n.Status); @@ -409,10 +349,19 @@ void LoadMcd(int mcd, char *str) { } McdDisable[mcd - 1] = 0; - if (str == NULL || *str == 0) { +#ifdef HAVE_LIBRETRO + // memcard1 is handled by libretro + if (mcd == 1) + return; +#endif + + if (str == NULL || strcmp(str, "none") == 0) { McdDisable[mcd - 1] = 1; return; } + if (*str == 0) + return; + f = fopen(str, "rb"); if (f == NULL) { SysPrintf(_("The memory card %s doesn't exist - creating it\n"), str); @@ -427,7 +376,12 @@ void LoadMcd(int mcd, char *str) { else if(buf.st_size == MCD_SIZE + 3904) fseek(f, 3904, SEEK_SET); } - fread(data, 1, MCD_SIZE, f); + if (fread(data, 1, MCD_SIZE, f) != MCD_SIZE) { +#ifndef NDEBUG + SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); +#endif + memset(data, 0x00, MCD_SIZE); + } fclose(f); } else @@ -442,7 +396,12 @@ void LoadMcd(int mcd, char *str) { else if(buf.st_size == MCD_SIZE + 3904) fseek(f, 3904, SEEK_SET); } - fread(data, 1, MCD_SIZE, f); + if (fread(data, 1, MCD_SIZE, f) != MCD_SIZE) { +#ifndef NDEBUG + SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); +#endif + memset(data, 0x00, MCD_SIZE); + } fclose(f); } } @@ -455,6 +414,9 @@ void LoadMcds(char *mcd1, char *mcd2) { void SaveMcd(char *mcd, char *data, uint32_t adr, int size) { FILE *f; + if (mcd == NULL || *mcd == 0 || strcmp(mcd, "none") == 0) + return; + f = fopen(mcd, "r+b"); if (f != NULL) { struct stat buf; @@ -654,6 +616,7 @@ void ConvertMcd(char *mcd, char *data) { fclose(f); } f = fopen(mcd, "r+"); + if (f == NULL) return; s = s + 3904; fputc('1', f); s--; fputc('2', f); s--; @@ -688,6 +651,7 @@ void ConvertMcd(char *mcd, char *data) { fclose(f); } f = fopen(mcd, "r+"); + if (f == NULL) return; s = s + 64; fputc('V', f); s--; fputc('g', f); s--; @@ -806,7 +770,7 @@ void GetMcdBlockInfo(int mcd, int block, McdBlock *Info) { strncpy(Info->Name, ptr, 16); } -int sioFreeze(gzFile f, int Mode) { +int sioFreeze(void *f, int Mode) { gzfreeze(buf, sizeof(buf)); gzfreeze(&StatReg, sizeof(StatReg)); gzfreeze(&ModeReg, sizeof(ModeReg));