X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=753c51262f3788a89986ff141046a58061f6cc72;hp=95e739f91cb26d254c56e3c1a92d73d58a6fc0d4;hb=3968e69e7fa8f9cb0d44ac79477d5929b9649271;hpb=b0bd140dee2602140edacd20dc868c9bfdd588b2 diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c index 95e739f9..753c5126 100644 --- a/libpcsxcore/cdrom.c +++ b/libpcsxcore/cdrom.c @@ -46,6 +46,7 @@ cdrStruct cdr; static unsigned char *pTransfer; +static s16 read_buf[CD_FRAMESIZE_RAW/2]; /* CD-ROM magic numbers */ #define CdlSync 0 /* nocash documentation : "Uh, actually, returns error code 40h = Invalid Command...?" */ @@ -382,7 +383,7 @@ static void ReadTrack(const u8 *time) { CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); - cdr.RErr = CDR_readTrack(tmp); + cdr.NoErr = CDR_readTrack(tmp); memcpy(cdr.Prev, tmp, 3); if (CheckSBI(time)) @@ -431,6 +432,10 @@ static void AddIrqQueue(unsigned short irq, unsigned long ecycle) { static void cdrPlayInterrupt_Autopause() { + u32 abs_lev_max = 0; + boolean abs_lev_chselect; + u32 i; + if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { CDR_LOG( "CDDA STOP\n" ); @@ -445,11 +450,21 @@ static void cdrPlayInterrupt_Autopause() StopCdda(); } - else if (cdr.Mode & MODE_REPORT) { - + else if (((cdr.Mode & MODE_REPORT) || cdr.FastForward || cdr.FastBackward)) { + CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf); cdr.Result[0] = cdr.StatP; cdr.Result[1] = cdr.subq.Track; cdr.Result[2] = cdr.subq.Index; + + abs_lev_chselect = cdr.subq.Absolute[1] & 0x01; + + /* 8 is a hack. For accuracy, it should be 588. */ + for (i = 0; i < 8; i++) + { + abs_lev_max = MAX_VALUE(abs_lev_max, abs(read_buf[i * 2 + abs_lev_chselect])); + } + abs_lev_max = MIN_VALUE(abs_lev_max, 32767); + abs_lev_max |= abs_lev_chselect << 15; if (cdr.subq.Absolute[2] & 0x10) { cdr.Result[3] = cdr.subq.Relative[0]; @@ -462,8 +477,8 @@ static void cdrPlayInterrupt_Autopause() cdr.Result[5] = cdr.subq.Absolute[2]; } - cdr.Result[6] = 0; - cdr.Result[7] = 0; + cdr.Result[6] = abs_lev_max >> 0; + cdr.Result[7] = abs_lev_max >> 8; // Rayman: Logo freeze (resultready + dataready) cdr.ResultReady = 1; @@ -517,6 +532,12 @@ void cdrPlayInterrupt() cdrPlayInterrupt_Autopause(); if (!cdr.Play) return; + + if (CDR_readCDDA && !cdr.Muted && cdr.Mode & MODE_REPORT) { + cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1); + if (SPU_playCDDAchannel) + SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW); + } cdr.SetSectorPlay[2]++; if (cdr.SetSectorPlay[2] == 75) { @@ -549,6 +570,8 @@ void cdrInterrupt() { int error = 0; int delay; unsigned int seekTime = 0; + u8 set_loc[3]; + int i; // Reschedule IRQ if (cdr.Stat) { @@ -582,6 +605,31 @@ void cdrInterrupt() { break; case CdlSetloc: + 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 + 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]); + error = ERROR_INVALIDARG; + goto set_error; + } + else + { + for (i = 0; i < 3; i++) + { + set_loc[i] = btoi(cdr.Param[i]); + } + + 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; do_CdlPlay: @@ -591,6 +639,10 @@ void cdrInterrupt() { // XXX: wrong, should seek instead.. cdr.Seeked = SEEK_DONE; } + + cdr.FastBackward = 0; + cdr.FastForward = 0; + if (cdr.SetlocPending) { memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); cdr.SetlocPending = 0; @@ -655,9 +707,7 @@ void cdrInterrupt() { cdr.Stat = Complete; // GameShark CD Player: Calls 2x + Play 2x - if( cdr.FastForward == 0 ) cdr.FastForward = 2; - else cdr.FastForward++; - + cdr.FastForward = 1; cdr.FastBackward = 0; break; @@ -665,9 +715,7 @@ void cdrInterrupt() { cdr.Stat = Complete; // GameShark CD Player: Calls 2x + Play 2x - if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; - else cdr.FastBackward++; - + cdr.FastBackward = 1; cdr.FastForward = 0; break; @@ -722,7 +770,21 @@ void cdrInterrupt() { InuYasha - Feudal Fairy Tale: slower - Fixes battles */ - AddIrqQueue(CdlPause + 0x100, cdReadTime * 3); + /* Gameblabla - Tightening the timings (as taken from Duckstation). + * The timings from Duckstation are based upon hardware tests. + * Mednafen's timing don't work for Gundam Battle Assault 2 in PAL/50hz mode, + * seems to be timing sensitive as it can depend on the CPU's clock speed. + * */ + if (cdr.DriveState != DRIVESTATE_STANDBY) + { + delay = 7000; + } + else + { + delay = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * (1000000)); + CDRMISC_INT((cdr.Mode & MODE_SPEED) ? cdReadTime / 2 : cdReadTime); + } + AddIrqQueue(CdlPause + 0x100, delay); cdr.Ctrl |= 0x80; break; @@ -779,9 +841,6 @@ void cdrInterrupt() { case CdlGetlocP: SetResultSize(8); memcpy(&cdr.Result, &cdr.subq, 8); - - if (!cdr.Play && !cdr.Reading) - cdr.Result[1] = 0; // HACK? break; case CdlReadT: // SetSession? @@ -920,7 +979,22 @@ void cdrInterrupt() { case CdlReadS: if (cdr.SetlocPending) { seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(cdr.SetSector)) * (cdReadTime / 200); - if(seekTime > 1000000) seekTime = 1000000; + /* + * Gameblabla : + * It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball + * and was unreliable for that game. + * I also tested it against Mednafen and Driver's titlescreen music starts 25 frames later, not immediatly. + * + * Obviously, this isn't perfect but right now, it should be a bit better. + * Games to test this against if you change that setting : + * - Driver (titlescreen music delay and retry mission) + * - Worms Pinball (Will either not boot or crash in the memory card screen) + * - Viewpoint (short pauses if the delay in the ingame music is too long) + * + * It seems that 3386880 * 5 is too much for Driver's titlescreen and it starts skipping. + * However, 1000000 is not enough for Worms Pinball to reliably boot. + */ + if(seekTime > 3386880 * 2) seekTime = 3386880 * 2; memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); cdr.SetlocPending = 0; cdr.m_locationChanged = TRUE; @@ -952,22 +1026,29 @@ void cdrInterrupt() { - fixes cutscenes C-12 - Final Resistance - doesn't like seek */ + + /* + By nicolasnoble from PCSX Redux : + "It LOOKS like this logic is wrong, therefore disabling it with `&& false` for now. + For "PoPoLoCrois Monogatari II", the game logic will soft lock and will never issue GetLocP to detect + the end of its XA streams, as it seems to assume ReadS will not return a status byte with the SEEK + flag set. I think the reasonning is that since it's invalid to call GetLocP while seeking, the game + tries to protect itself against errors by preventing from issuing a GetLocP while it knows the + last status was "seek". But this makes the logic just softlock as it'll never get a notification + about the fact the drive is done seeking and the read actually started. + + In other words, this state machine here is probably wrong in assuming the response to ReadS/ReadN is + done right away. It's rather when it's done seeking, and the read has actually started. This probably + requires a bit more work to make sure seek delays are processed properly. + Checked with a few games, this seems to work fine." + + Gameblabla additional notes : + This still needs the "+ seekTime" that PCSX Redux doesn't have for the Driver "retry" mission error. + */ + cdr.StatP |= STATUS_READ; + cdr.StatP &= ~STATUS_SEEK; - if (cdr.Seeked != SEEK_DONE) { - cdr.StatP |= STATUS_SEEK; - cdr.StatP &= ~STATUS_READ; - - // Crusaders of Might and Magic - use short time - // - fix cutscene speech (startup) - - // ??? - use more accurate seek time later - CDREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1) + seekTime); - } else { - cdr.StatP |= STATUS_READ; - cdr.StatP &= ~STATUS_SEEK; - - CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); - } + CDREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime); cdr.Result[0] = cdr.StatP; start_rotating = 1; @@ -1091,9 +1172,9 @@ void cdrReadInterrupt() { buf = CDR_getBuffer(); if (buf == NULL) - cdr.RErr = -1; + cdr.NoErr = 0; - if (cdr.RErr == -1) { + if (!cdr.NoErr) { CDR_LOG_I("cdrReadInterrupt() Log: err\n"); memset(cdr.Transfer, 0, DATA_SIZE); cdr.Stat = DiskError; @@ -1126,6 +1207,19 @@ void cdrReadInterrupt() { int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); if (!ret) { cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); + /* + * Gameblabla - + * This is a hack for Megaman X4, Castlevania etc... + * that regressed from the new m_locationChanged and CDROM timings changes. + * It is mostly noticeable in Castevania however and the stuttering can be very jarring. + * + * According to PCSX redux authors, we shouldn't cause a location change if + * the sector difference is too small. + * I attempted to go with that approach but came empty handed. + * So for now, let's just set cdr.m_locationChanged to false when playing back any ADPCM samples. + * This does not regress Crash Team Racing's intro at least. + */ + cdr.m_locationChanged = FALSE; SPU_playADPCMchannel(&cdr.Xa); cdr.FirstSector = 0; } @@ -1219,9 +1313,6 @@ unsigned char cdrRead1(void) { } void cdrWrite1(unsigned char rt) { - u8 set_loc[3]; - int i; - CDR_LOG_IO("cdr w1: %02x\n", rt); switch (cdr.Ctrl & 3) { @@ -1255,31 +1346,6 @@ void cdrWrite1(unsigned char rt) { AddIrqQueue(cdr.Cmd, 0x800); switch (cdr.Cmd) { - case CdlSetloc: - 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 - 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]); - } - - 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: case CdlReadS: @@ -1501,9 +1567,7 @@ 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; cdr.AttenuatorLeftToRight = 0x00;