Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-12 17:14:19 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

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

Browse Source 
---
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mess/machine/psxcd.c
View File

@ -441,7 +441,7 @@ void psxcd_device::cdcmd_play()
if (!curpos.w) if (!curpos.w)
curpos.b[S] = 2; 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(); stop_read();
start_play(); start_play();
@ -593,7 +593,7 @@ void psxcd_device::cdcmd_getlocl()
void psxcd_device::cdcmd_getlocp() void psxcd_device::cdcmd_getlocp()
{ {
CDPOS tloc, start; 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)); start.w = (track == 1) ? 0x000200 : lba_to_msf_ps(cdrom_get_track_start(m_cdrom_handle, track - 1));
tloc.w = sub_loc(loc, start); 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) 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); verboselog(machine(), 1, "psxcd: start dma %d bytes at %d\n", size, m_transcurr);
if(!m_dmaload) if(!m_dmaload)
return; return;
if(size > (raw_sector_size - m_transcurr)) switch(mode & mode_size_mask)
size = (raw_sector_size - m_transcurr); {
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); memcpy(mainram, &m_transbuf[m_transcurr], size);
m_transcurr += size; m_transcurr += size;
if(raw_sector_size <= m_transcurr)
if(sector_size <= m_transcurr)
{ {
m_dmaload = false; m_dmaload = false;
m_regs.sr &= ~0x40; m_regs.sr &= ~0x40;
@ -1082,7 +1098,7 @@ void psxcd_device::start_read()
void psxcd_device::start_play() 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) if(cdrom_get_track_type(m_cdrom_handle, track) != CD_TRACK_AUDIO)
verboselog(machine(), 0, "psxcd: playing data track\n"); verboselog(machine(), 0, "psxcd: playing data track\n");