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(mess) psxcd: mark transfer buffer empty when all data transfered (nw)

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---
Fixes Tobal No.1
This commit is contained in:
cracyc 2013-04-26 00:41:31 +00:00
parent 133d3c330f
commit 7423020d4b
1 changed files with 22 additions and 6 deletions
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28
src/mess/machine/psxcd.c
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@ -441,7 +441,7 @@ void psxcd_device::cdcmd_play()
if (!curpos.w)
curpos.b[S] = 2;
verboselog(machine(), 1, "psxcd: play %02x %02x %02x => %d\n", loc.b[M], loc.b[S], loc.b[F], msf_to_lba_ps(loc.w));
verboselog(machine(), 1, "psxcd: play %02x %02x %02x => %d\n", decimal_to_bcd(loc.b[M]), decimal_to_bcd(loc.b[S]), decimal_to_bcd(loc.b[F]), msf_to_lba_ps(loc.w));
stop_read();
start_play();
@ -593,7 +593,7 @@ void psxcd_device::cdcmd_getlocl()
void psxcd_device::cdcmd_getlocp()
{
CDPOS tloc, start;
UINT8 track = cdrom_get_track(m_cdrom_handle, msf_to_lba_ps(loc.w) + 150) + 1;
UINT8 track = cdrom_get_track(m_cdrom_handle, msf_to_lba_ps(loc.w)) + 1;
start.w = (track == 1) ? 0x000200 : lba_to_msf_ps(cdrom_get_track_start(m_cdrom_handle, track - 1));
tloc.w = sub_loc(loc, start);
@ -872,17 +872,33 @@ void psxcd_device::send_result(UINT8 res, UINT8 *data, int sz, int delay, UINT8
void psxcd_device::start_dma(UINT8 *mainram, UINT32 size)
{
UINT32 sector_size;
verboselog(machine(), 1, "psxcd: start dma %d bytes at %d\n", size, m_transcurr);
if(!m_dmaload)
return;
if(size > (raw_sector_size - m_transcurr))
size = (raw_sector_size - m_transcurr);
switch(mode & mode_size_mask)
{
case 0x00:
default:
sector_size = 2048 + 24;
break;
case 0x10:
sector_size = 2328 + 12;
break;
case 0x20:
sector_size = 2340 + 12;
break;
}
if(size > (sector_size - m_transcurr))
size = (sector_size - m_transcurr);
memcpy(mainram, &m_transbuf[m_transcurr], size);
m_transcurr += size;
if(raw_sector_size <= m_transcurr)
if(sector_size <= m_transcurr)
{
m_dmaload = false;
m_regs.sr &= ~0x40;
@ -1082,7 +1098,7 @@ void psxcd_device::start_read()
void psxcd_device::start_play()
{
UINT8 track = cdrom_get_track(m_cdrom_handle, msf_to_lba_ps(curpos.w) + 150);
UINT8 track = cdrom_get_track(m_cdrom_handle, msf_to_lba_ps(curpos.w));
if(cdrom_get_track_type(m_cdrom_handle, track) != CD_TRACK_AUDIO)
verboselog(machine(), 0, "psxcd: playing data track\n");