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HDD: implement the obscure PlayAudioTrackIndex cmd

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+ stop CD audio when other commands executed
This commit is contained in:
Gyorgy Szombathelyi
2022-09-06 09:44:09 +02:00
parent 48b8599c6d
commit bcf2a4cfe9
1 changed files with 30 additions and 0 deletions
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30
hdd.c
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@@ -475,6 +475,7 @@ static void PKT_Read12(unsigned char *cmd, unsigned char unit, unsigned short by
hdd_debugf("IDE%d: PKT_Read12 (bytelimit=%d)", unit, bytelimit);
unsigned int lba = cmd[5] | (cmd[4] << 8) | (cmd[3] << 16) | (cmd[2] << 24);
unsigned int len = cmd[9] | (cmd[8] << 8) | (cmd[7] << 16) | (cmd[6] << 24);
cdrom.audiostatus = AUDIO_NOSTAT;
PKT_Read(unit, lba, len, bytelimit, cdrom.blocksize);
}
@@ -483,6 +484,7 @@ static void PKT_Read10(unsigned char *cmd, unsigned char unit, unsigned short by
hdd_debugf("IDE%d: PKT_Read10 (bytelimit=%d)", unit, bytelimit);
unsigned int lba = cmd[5] | (cmd[4] << 8) | (cmd[3] << 16) | (cmd[2] << 24);
unsigned int len = cmd[8] | (cmd[7] << 8);
cdrom.audiostatus = AUDIO_NOSTAT;
PKT_Read(unit, lba, len, bytelimit, cdrom.blocksize);
}
@@ -512,6 +514,7 @@ static void PKT_ReadCD(unsigned char *cmd, unsigned char unit, unsigned short by
hdd_debugf("IDE%d: PKT_ReadCD (bytelimit=%d)", unit, bytelimit);
unsigned int lba = cmd[5] | (cmd[4] << 8) | (cmd[3] << 16) | (cmd[2] << 24);
unsigned int len = cmd[8] | (cmd[7] << 8) | (cmd[6] << 16);
cdrom.audiostatus = AUDIO_NOSTAT;
PKT_DoReadCD(cmd, unit, bytelimit, lba, len);
}
@@ -520,6 +523,7 @@ static void PKT_ReadCDMSF(unsigned char *cmd, unsigned char unit, unsigned short
hdd_debugf("IDE%d: PKT_ReadCDMSF (bytelimit=%d)", unit, bytelimit);
unsigned int start = MSF2LBA(cmd[3], cmd[4], cmd[5]);
unsigned int end = MSF2LBA(cmd[6], cmd[7], cmd[8]);
cdrom.audiostatus = AUDIO_NOSTAT;
if (start > end) {
cdrom_setsense(SENSEKEY_ILLEGAL_REQUEST, 0x24, 0);
cdrom_send_error(unit);
@@ -559,6 +563,7 @@ static void PKT_PlayAudioMSF(unsigned char *cmd, unsigned char unit)
hdd_debugf("IDE%d: PKT_PlayAudioMSF", unit);
unsigned int start = (cmd[2] == 0xff && cmd[3] == 0xff && cmd[5] == 0xff) ? cdrom.currentlba : MSF2LBA(cmd[3], cmd[4], cmd[5]);
unsigned int end = MSF2LBA(cmd[6], cmd[7], cmd[8]);
cdrom.audiostatus = AUDIO_NOSTAT;
PKT_PlayAudio(unit, start, end);
}
@@ -568,9 +573,30 @@ static void PKT_PlayAudio10(unsigned char *cmd, unsigned char unit)
unsigned int start = (cmd[2] << 24) | (cmd[3] << 16) | (cmd[4] << 8) | cmd[5];
if (start == 0xffffffff) start = cdrom.currentlba;
unsigned int end = start + (cmd[7] << 8) + cmd[8];
cdrom.audiostatus = AUDIO_NOSTAT;
PKT_PlayAudio(unit, start, end);
}
// obsolete, but used by Napalm
static void PKT_PlayAudioTrackIndex(unsigned char *cmd, unsigned char unit)
{
hdd_debugf("IDE%d: PKT_PlayAudioTrackIndex", unit);
unsigned char starttrack = cmd[4];
unsigned char endtrack = cmd[7];
cdrom.audiostatus = AUDIO_NOSTAT;
if (!toc.valid) {
cdrom_setsense(SENSEKEY_NOT_READY, 0x3a, 0);
cdrom_send_error(unit);
return;
}
if (starttrack > endtrack || starttrack >= toc.last || !starttrack || !endtrack || endtrack >= toc.last) {
cdrom_setsense(SENSEKEY_ILLEGAL_REQUEST, 0x21, 0);
cdrom_send_error(unit);
return;
}
PKT_PlayAudio(unit, toc.tracks[starttrack-1].start, toc.tracks[endtrack-1].end);
}
static void PKT_PauseResume(unsigned char *cmd, unsigned char unit)
{
hdd_debugf("IDE%d: PKT_PauseResume", unit);
@@ -950,6 +976,7 @@ static void PKT_StartStopUnit(unsigned char *cmd, unsigned char unit)
{
hdd_debugf("IDE%d: PKT_StartStopUnit", unit);
char start = cmd[4] & 0x01;
cdrom.audiostatus = AUDIO_NOSTAT;
if ((start && toc.valid) || !start) {
cdrom_ok();
@@ -1048,6 +1075,9 @@ static inline void ATA_Packet(unsigned char *tfr, unsigned char unit, unsigned s
case 0x47:
PKT_PlayAudioMSF(cmdpkt, unit);
break;
case 0x48:
PKT_PlayAudioTrackIndex(cmdpkt, unit); // obsolete, but used in some games (Napalm)
break;
case 0x4B:
PKT_PauseResume(cmdpkt, unit);
break;