X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=69801011bb1b61764d6d46394977f0152474d833;hb=dcd72441732fae38661db9b1d6a952a86f1cac83;hp=a725efadd0a05b5402ba0b627b8c883766ab1656;hpb=fbf19ce6b6c02da47a67f58e23d8294cfcd18f55;p=pcsx_rearmed.git diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c index a725efad..69801011 100644 --- a/libpcsxcore/cdrom.c +++ b/libpcsxcore/cdrom.c @@ -48,7 +48,7 @@ cdrStruct cdr; static unsigned char *pTransfer; /* CD-ROM magic numbers */ -#define CdlSync 0 +#define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ #define CdlNop 1 #define CdlSetloc 2 #define CdlPlay 3 @@ -63,7 +63,7 @@ static unsigned char *pTransfer; #define CdlDemute 12 #define CdlSetfilter 13 #define CdlSetmode 14 -#define CdlGetmode 15 +#define CdlGetparam 15 #define CdlGetlocL 16 #define CdlGetlocP 17 #define CdlReadT 18 @@ -84,7 +84,7 @@ char *CmdName[0x100]= { "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", "CdlStop", "CdlPause", "CdlInit", "CdlMute", - "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", + "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetparam", "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", @@ -496,6 +496,7 @@ void cdrPlayInterrupt() if (cdr.SetlocPending) { memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); cdr.SetlocPending = 0; + cdr.m_locationChanged = TRUE; } Find_CurTrack(cdr.SetSectorPlay); ReadTrack(cdr.SetSectorPlay); @@ -527,7 +528,15 @@ void cdrPlayInterrupt() } } - CDRMISC_INT(cdReadTime); + if (cdr.m_locationChanged) + { + CDRMISC_INT(cdReadTime * 30); + cdr.m_locationChanged = FALSE; + } + else + { + CDRMISC_INT(cdReadTime); + } // update for CdlGetlocP/autopause generate_subq(cdr.SetSectorPlay); @@ -566,10 +575,6 @@ void cdrInterrupt() { cdr.Irq = 0; switch (Irq) { - case CdlSync: - // TOOD: sometimes/always return error? - break; - case CdlNop: if (cdr.DriveState != DRIVESTATE_LID_OPEN) cdr.StatP &= ~STATUS_SHELLOPEN; @@ -589,6 +594,7 @@ void cdrInterrupt() { if (cdr.SetlocPending) { memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); cdr.SetlocPending = 0; + cdr.m_locationChanged = TRUE; } // BIOS CD Player @@ -753,13 +759,13 @@ void cdrInterrupt() { no_busy_error = 1; break; - case CdlGetmode: - SetResultSize(6); + case CdlGetparam: + /* Gameblabla : According to mednafen, Result size should be 5 and done this way. */ + SetResultSize(5); cdr.Result[1] = cdr.Mode; - cdr.Result[2] = cdr.File; - cdr.Result[3] = cdr.Channel; - cdr.Result[4] = 0; - cdr.Result[5] = 0; + cdr.Result[2] = 0; + cdr.Result[3] = cdr.File; + cdr.Result[4] = cdr.Channel; no_busy_error = 1; break; @@ -892,8 +898,7 @@ void cdrInterrupt() { break; case CdlGetQ: - // TODO? - CDR_LOG_I("got CdlGetQ\n"); + no_busy_error = 1; break; case CdlReadToc: @@ -914,6 +919,7 @@ void cdrInterrupt() { if(seekTime > 1000000) seekTime = 1000000; memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); cdr.SetlocPending = 0; + cdr.m_locationChanged = TRUE; } Find_CurTrack(cdr.SetSectorPlay); @@ -962,7 +968,7 @@ void cdrInterrupt() { cdr.Result[0] = cdr.StatP; start_rotating = 1; break; - + case CdlSync: default: CDR_LOG_I("Invalid command: %02x\n", Irq); error = ERROR_INVALIDCMD; @@ -1105,9 +1111,14 @@ void cdrReadInterrupt() { cdr.Channel = cdr.Transfer[4 + 1]; } + /* Gameblabla + * Skips playing on channel 255. + * Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2) + * TODO : Check if this is the proper behaviour. + * */ if((cdr.Transfer[4 + 2] & 0x4) && (cdr.Transfer[4 + 1] == cdr.Channel) && - (cdr.Transfer[4 + 0] == cdr.File)) { + (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) { int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); if (!ret) { cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); @@ -1130,7 +1141,13 @@ void cdrReadInterrupt() { cdr.Readed = 0; - CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); + uint32_t delay = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime; + if (cdr.m_locationChanged) { + CDREAD_INT(delay * 30); + cdr.m_locationChanged = FALSE; + } else { + CDREAD_INT(delay); + } /* Croc 2: $40 - only FORM1 (*) @@ -1235,17 +1252,29 @@ void cdrWrite1(unsigned char rt) { switch (cdr.Cmd) { case CdlSetloc: - for (i = 0; i < 3; i++) - set_loc[i] = btoi(cdr.Param[i]); + CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); - i = msf2sec(cdr.SetSectorPlay); - i = abs(i - msf2sec(set_loc)); - if (i > 16) - cdr.Seeked = SEEK_PENDING; + // MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75 + if (((cdr.Param[0] & 0x0F) > 0x09) || (cdr.Param[0] > 0x99) || ((cdr.Param[1] & 0x0F) > 0x09) || (cdr.Param[1] >= 0x60) || ((cdr.Param[2] & 0x0F) > 0x09) || (cdr.Param[2] >= 0x75)) + { + CDR_LOG("Invalid/out of range seek to %02X:%02X:%02X\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]); + } + else + { + for (i = 0; i < 3; i++) + { + set_loc[i] = btoi(cdr.Param[i]); + } - memcpy(cdr.SetSector, set_loc, 3); - cdr.SetSector[3] = 0; - cdr.SetlocPending = 1; + i = msf2sec(cdr.SetSectorPlay); + i = abs(i - msf2sec(set_loc)); + if (i > 16) + cdr.Seeked = SEEK_PENDING; + + memcpy(cdr.SetSector, set_loc, 3); + cdr.SetSector[3] = 0; + cdr.SetlocPending = 1; + } break; case CdlReadN: @@ -1468,6 +1497,8 @@ void cdrReset() { cdr.DriveState = DRIVESTATE_STANDBY; cdr.StatP = STATUS_ROTATING; pTransfer = cdr.Transfer; + cdr.SetlocPending = 0; + cdr.m_locationChanged = FALSE; // BIOS player - default values cdr.AttenuatorLeftToLeft = 0x80;