X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=e01d7debd1e4b43f09a2510b13e423badb8f8b6b;hb=8aeb66dcc917d0271e4574799b1793da7f3426c4;hp=a3ddb44737fdd82cb9b4d40a9e44709bce515add;hpb=742a21f278bff9a6c5c7f07a3fd8026fef47676a;p=pcsx_rearmed.git diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c index a3ddb447..e01d7deb 100644 --- a/libpcsxcore/cdrom.c +++ b/libpcsxcore/cdrom.c @@ -35,7 +35,7 @@ #if 0 #define CDR_LOG_I SysPrintf #else -#define CDR_LOG_I(...) +#define CDR_LOG_I log_unhandled #endif #if 0 #define CDR_LOG_IO SysPrintf @@ -295,8 +295,8 @@ static void setIrq(int log_cmd) if (cdr.Stat) { int i; - SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ", - !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); + SysPrintf("%u cdrom: CDR IRQ=%d cmd %02x stat %02x: ", + psxRegs.cycle, !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat); for (i = 0; i < cdr.ResultC; i++) SysPrintf("%02x ", cdr.Result[i]); SysPrintf("\n"); @@ -500,7 +500,7 @@ static void cdrPlayInterrupt_Autopause() //cdr.ResultReady = 1; //cdr.Stat = DataReady; cdr.Stat = DataEnd; - setIrq(0x200); + setIrq(0x1000); // 0x1000 just for logging purposes StopCdda(); SetPlaySeekRead(cdr.StatP, 0); @@ -539,13 +539,14 @@ static void cdrPlayInterrupt_Autopause() cdr.Stat = DataReady; SetResultSize(8); - setIrq(0x201); + setIrq(0x1001); } } static int cdrSeekTime(unsigned char *target) { - int seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(target)) * (cdReadTime / 200); + int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target); + int seekTime = abs(diff) * (cdReadTime / 200); /* * Gameblabla : * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball @@ -566,7 +567,10 @@ static int cdrSeekTime(unsigned char *target) return seekTime; } +static void cdrUpdateTransferBuf(const u8 *buf); static void cdrReadInterrupt(void); +static void cdrPrepCdda(s16 *buf, int samples); +static void cdrAttenuate(s16 *buf, int samples, int stereo); void cdrPlaySeekReadInterrupt(void) { @@ -586,7 +590,7 @@ void cdrPlaySeekReadInterrupt(void) SetPlaySeekRead(cdr.StatP, 0); cdr.Result[0] = cdr.StatP; cdr.Stat = Complete; - setIrq(0x202); + setIrq(0x1002); Find_CurTrack(cdr.SetSectorPlay); ReadTrack(cdr.SetSectorPlay); @@ -613,6 +617,7 @@ void cdrPlaySeekReadInterrupt(void) cdrPlayInterrupt_Autopause(); if (!cdr.Muted && !Config.Cdda) { + cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4); cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector); cdr.FirstSector = 0; @@ -634,23 +639,37 @@ void cdrPlaySeekReadInterrupt(void) CDRPLAYSEEKREAD_INT(cdReadTime, 0); } +#define CMD_PART2 0x100 +#define CMD_WHILE_NOT_READY 0x200 + void cdrInterrupt(void) { - int no_busy_error = 0; int start_rotating = 0; int error = 0; unsigned int seekTime = 0; u32 second_resp_time = 0; u8 ParamC; u8 set_loc[3]; + u16 not_ready = 0; u16 Cmd; int i; if (cdr.Stat) { - CDR_LOG_I("cdrom: cmd %02x with irqstat %x\n", cdr.CmdInProgress, cdr.Stat); + CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n", + psxRegs.cycle, cdr.CmdInProgress, cdr.Stat); + return; + } + if (cdr.Irq1Pending) { + // hand out the "newest" sector, according to nocash + cdrUpdateTransferBuf(CDR_getBuffer()); + CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", + cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); + SetResultSize(1); + cdr.Result[0] = cdr.Irq1Pending; + cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; + cdr.Irq1Pending = 0; + setIrq(0x1003); return; } - - cdr.Ctrl &= ~0x80; // default response SetResultSize(1); @@ -662,18 +681,29 @@ void cdrInterrupt(void) { ParamC = cdr.ParamC; if (Cmd < 0x100) { - cdr.Cmd = 0; + cdr.Ctrl &= ~0x80; cdr.ParamC = 0; + cdr.Cmd = 0; + } + + switch (cdr.DriveState) { + case DRIVESTATE_LID_OPEN: + case DRIVESTATE_RESCAN_CD: + case DRIVESTATE_PREPARE_CD: + // no disk or busy with the initial scan, allowed cmds are limited + not_ready = CMD_WHILE_NOT_READY; + break; } - switch (Cmd) { + switch (Cmd | not_ready) { case CdlNop: + case CdlNop + CMD_WHILE_NOT_READY: if (cdr.DriveState != DRIVESTATE_LID_OPEN) cdr.StatP &= ~STATUS_SHELLOPEN; - no_busy_error = 1; break; case CdlSetloc: + case CdlSetloc + CMD_WHILE_NOT_READY: CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 @@ -782,7 +812,7 @@ void cdrInterrupt(void) { start_rotating = 1; break; - case CdlStandby + 0x100: + case CdlStandby + CMD_PART2: cdr.Stat = Complete; break; @@ -808,7 +838,7 @@ void cdrInterrupt(void) { cdr.DriveState = DRIVESTATE_STOPPED; break; - case CdlStop + 0x100: + case CdlStop + CMD_PART2: cdr.Stat = Complete; break; @@ -839,25 +869,25 @@ void cdrInterrupt(void) { second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000); } SetPlaySeekRead(cdr.StatP, 0); - cdr.Ctrl |= 0x80; break; - case CdlPause + 0x100: + case CdlPause + CMD_PART2: cdr.Stat = Complete; break; case CdlReset: + case CdlReset + CMD_WHILE_NOT_READY: StopCdda(); StopReading(); SetPlaySeekRead(cdr.StatP, 0); cdr.Muted = FALSE; cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */ - second_resp_time = 4100000; - no_busy_error = 1; + second_resp_time = not_ready ? 70000 : 4100000; start_rotating = 1; break; - case CdlReset + 0x100: + case CdlReset + CMD_PART2: + case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY: cdr.Stat = Complete; break; @@ -875,19 +905,19 @@ void cdrInterrupt(void) { break; case CdlSetmode: + case CdlSetmode + CMD_WHILE_NOT_READY: CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); cdr.Mode = cdr.Param[0]; - no_busy_error = 1; break; case CdlGetparam: + case CdlGetparam + CMD_WHILE_NOT_READY: /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ SetResultSize(5); cdr.Result[1] = cdr.Mode; cdr.Result[2] = 0; cdr.Result[3] = cdr.File; cdr.Result[4] = cdr.Channel; - no_busy_error = 1; break; case CdlGetlocL: @@ -906,7 +936,7 @@ void cdrInterrupt(void) { start_rotating = 1; break; - case CdlReadT + 0x100: + case CdlReadT + CMD_PART2: cdr.Stat = Complete; break; @@ -965,6 +995,7 @@ void cdrInterrupt(void) { break; case CdlTest: + case CdlTest + CMD_WHILE_NOT_READY: switch (cdr.Param[0]) { case 0x20: // System Controller ROM Version SetResultSize(4); @@ -979,14 +1010,13 @@ void cdrInterrupt(void) { memcpy(cdr.Result, Test23, 4); break; } - no_busy_error = 1; break; case CdlID: second_resp_time = 20480; break; - case CdlID + 0x100: + case CdlID + CMD_PART2: SetResultSize(8); cdr.Result[0] = cdr.StatP; cdr.Result[1] = 0; @@ -1011,6 +1041,7 @@ void cdrInterrupt(void) { break; case CdlInit: + case CdlInit + CMD_WHILE_NOT_READY: StopCdda(); StopReading(); SetPlaySeekRead(cdr.StatP, 0); @@ -1018,23 +1049,22 @@ void cdrInterrupt(void) { cdr.StatP |= STATUS_SHELLOPEN; cdr.DriveState = DRIVESTATE_RESCAN_CD; CDRLID_INT(20480); - no_busy_error = 1; start_rotating = 1; break; case CdlGetQ: - no_busy_error = 1; + case CdlGetQ + CMD_WHILE_NOT_READY: break; case CdlReadToc: + case CdlReadToc + CMD_WHILE_NOT_READY: second_resp_time = cdReadTime * 180 / 4; - no_busy_error = 1; start_rotating = 1; break; - case CdlReadToc + 0x100: + case CdlReadToc + CMD_PART2: + case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY: cdr.Stat = Complete; - no_busy_error = 1; break; case CdlReadN: @@ -1065,43 +1095,33 @@ void cdrInterrupt(void) { break; case CdlSync: default: - CDR_LOG_I("Invalid command: %02x\n", Cmd); + CDR_LOG_I("Invalid command: %02x%s\n", + Cmd, not_ready ? " (not_ready)" : ""); error = ERROR_INVALIDCMD; // FALLTHROUGH set_error: SetResultSize(2); cdr.Result[0] = cdr.StatP | STATUS_ERROR; - cdr.Result[1] = error; + cdr.Result[1] = not_ready ? ERROR_NOTREADY : error; cdr.Stat = DiskError; break; } if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) { + printf("cdr.DriveState %d->%d\n", cdr.DriveState, DRIVESTATE_STANDBY); cdr.DriveState = DRIVESTATE_STANDBY; cdr.StatP |= STATUS_ROTATING; } - if (!no_busy_error) { - switch (cdr.DriveState) { - case DRIVESTATE_LID_OPEN: - case DRIVESTATE_RESCAN_CD: - case DRIVESTATE_PREPARE_CD: - SetResultSize(2); - cdr.Result[0] = cdr.StatP | STATUS_ERROR; - cdr.Result[1] = ERROR_NOTREADY; - cdr.Stat = DiskError; - break; - } - } - if (second_resp_time) { cdr.CmdInProgress = Cmd | 0x100; CDR_INT(second_resp_time); } else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) { cdr.CmdInProgress = cdr.Cmd; - CDR_LOG_I("cdrom: cmd %02x came before %02x finished\n", cdr.Cmd, Cmd); + CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n", + psxRegs.cycle, cdr.Cmd, Cmd); } setIrq(Cmd); @@ -1117,7 +1137,18 @@ void cdrInterrupt(void) { } while (0) #endif -void cdrAttenuate(s16 *buf, int samples, int stereo) +static void cdrPrepCdda(s16 *buf, int samples) +{ +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ + int i; + for (i = 0; i < samples; i++) { + buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]); + buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]); + } +#endif +} + +static void cdrAttenuate(s16 *buf, int samples, int stereo) { int i, l, r; int ll = cdr.AttenuatorLeftToLeft; @@ -1167,7 +1198,7 @@ static void cdrReadInterruptSetResult(unsigned char result) SetResultSize(1); cdr.Result[0] = result; cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady; - setIrq(0x203); + setIrq(0x1004); } static void cdrUpdateTransferBuf(const u8 *buf) @@ -1254,25 +1285,6 @@ static void cdrReadInterrupt(void) CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0); } -static void doMissedIrqs(void) -{ - if (cdr.Irq1Pending) - { - // hand out the "newest" sector, according to nocash - cdrUpdateTransferBuf(CDR_getBuffer()); - CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n", - cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); - SetResultSize(1); - cdr.Result[0] = cdr.Irq1Pending; - cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady; - cdr.Irq1Pending = 0; - setIrq(0x205); - return; - } - if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && cdr.CmdInProgress) - CDR_INT(256); -} - /* cdrRead0: bit 0,1 - mode @@ -1335,7 +1347,7 @@ void cdrWrite1(unsigned char rt) { } #ifdef CDR_LOG_CMD_IRQ - SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); + SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]); if (cdr.ParamC) { int i; SysPrintf(" Param[%d] = {", cdr.ParamC); @@ -1356,8 +1368,8 @@ void cdrWrite1(unsigned char rt) { CDR_INT(5000); } else { - CDR_LOG_I("cdr: cmd while busy: %02x, prev %02x, busy %02x\n", - rt, cdr.Cmd, cdr.CmdInProgress); + CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n", + psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress); if (cdr.CmdInProgress < 0x100) // no pending 2nd response cdr.CmdInProgress = rt; } @@ -1388,7 +1400,7 @@ void cdrWrite2(unsigned char rt) { return; case 1: cdr.Reg2 = rt; - setIrq(0x204); + setIrq(0x1005); return; case 2: cdr.AttenuatorLeftToLeftT = rt; @@ -1417,15 +1429,20 @@ void cdrWrite3(unsigned char rt) { case 0: break; // transfer case 1: + if (cdr.Stat & rt) { #ifdef CDR_LOG_CMD_IRQ - if (cdr.Stat & rt) - SysPrintf("ack %02x\n", cdr.Stat & rt); + SysPrintf("%u cdrom: ack %02x (w %02x)\n", + psxRegs.cycle, cdr.Stat & rt, rt); #endif + // note: Croc vs Discworld Noir + if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && + (cdr.CmdInProgress || cdr.Irq1Pending)) + CDR_INT(850); // 711-993 + } cdr.Stat &= ~rt; if (rt & 0x40) cdr.ParamC = 0; - doMissedIrqs(); return; case 2: cdr.AttenuatorLeftToRightT = rt; @@ -1495,6 +1512,8 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) { cdr.FifoOffset += size; psxCpu->Clear(madr, size / 4); } + if (size < cdsize) + CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize); CDRDMA_INT((cdsize/4) * 24); @@ -1510,7 +1529,7 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) { return; default: - CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); + CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr); break; }