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Port from MESS

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This commit is contained in:
Angelo Salese 2011-05-30 19:49:30 +00:00
parent 665d213ee4
commit 74ee3457f7
1 changed files with 27 additions and 7 deletions
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34
src/mame/machine/stvcd.c
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@ -25,6 +25,7 @@
#include "imagedev/chd_cd.h"
#include "cdrom.h"
#include "stvcd.h"
#include "sound/cdda.h"
// super-verbose
#if 0
@ -271,6 +272,8 @@ void stvcd_reset(running_machine &machine)
cdrom = cdrom_open(get_disk_handle(machine, "cdrom"));
#endif
cdda_set_cdrom( machine.device("cdda"), cdrom );
if (cdrom)
{
CDROM_LOG(("Opened CD-ROM successfully, reading root directory\n"))
@ -445,9 +448,13 @@ static UINT16 cd_readWord(UINT32 addr)
}
break;
case XFERTYPE_FILEINFO_254:
CDROM_LOG(("STVCD: Unhandled xfer type 254\n"))
break;
default:
CDROM_LOG(("STVCD: Unhandled xfer type %d\n", (int)xfertype))
rv = 0xffff;
rv = 0;
break;
}
@ -584,7 +591,7 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
switch (cr1 & 0xff00)
{
case 0x0000:
CDROM_LOG(("%s:CD: Get Status\n", machine.describe_context()))
//CDROM_LOG(("%s:CD: Get Status\n", machine.describe_context()))
hirqreg |= CMOK;
cr1 = cd_stat;
if (cur_track == 0xff)
@ -597,7 +604,7 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
}
cr3 = 0x100 | (cd_curfad>>16);
cr4 = cd_curfad;
CDROM_LOG((" = %04x %04x %04x %04x %04x\n", hirqreg, cr1, cr2, cr3, cr4))
//CDROM_LOG((" = %04x %04x %04x %04x %04x\n", hirqreg, cr1, cr2, cr3, cr4))
break;
case 0x0100:
@ -764,12 +771,14 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
fadstoplay &= 0xfffff;
}
printf("fad mode\n");
cur_track = cdrom_get_track(cdrom, cd_curfad-150);
}
else
{
// track mode
cur_track = cd_curfad>>8;
printf("track mode %d\n",cur_track);
cd_curfad = cdrom_get_track_start(cdrom, cur_track-1);
fadstoplay = cdrom_get_track_start(cdrom, cur_track) - cd_curfad;
}
@ -777,6 +786,7 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
else // play until the end of the disc
{
fadstoplay = cdrom_get_track_start(cdrom, 0xaa) + 150;
printf("track mode %08x %08x\n",cd_curfad,fadstoplay);
}
CDROM_LOG(("CD: Play Disc: start %x length %x\n", cd_curfad, fadstoplay))
@ -792,12 +802,20 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
// and do the disc I/O
// make sure it doesn't come in too early
sector_timer->reset();
sector_timer->adjust(attotime::from_hz(CD_SPEED)); // 150 sectors / second = 300kBytes/second
if (cdrom_get_track_type(cdrom, cur_track-1) == CD_TRACK_AUDIO)
{
cdda_start_audio( machine.device( "cdda" ), cd_curfad, fadstoplay );
}
else
{
sector_timer->reset();
sector_timer->adjust(attotime::from_hz(CD_SPEED)); // 150 sectors / second = 300kBytes/second
}
break;
case 0x1100: // disc seek
CDROM_LOG(("%s:CD: Disc seek\n", machine.describe_context()))
printf("%08x %08x %08x %08x\n",cr1,cr2,cr3,cr4);
if (cr1 & 0x80)
{
temp = (cr1&0x7f)<<16; // get FAD to seek to
@ -816,13 +834,15 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
{
cd_stat = CD_STAT_PAUSE;
cur_track = cr2>>8;;
cd_curfad = cdrom_get_track_start(cdrom, cur_track-1);
// (index is cr2 low byte)
}
else
else // error!
{
cd_stat = CD_STAT_STANDBY;
cd_curfad = 0xffffffff;
cur_track = 0xff;
//cdda_stop_audio( machine.device( "cdda" ) ); //stop any pending CD-DA
}
}
@ -1200,7 +1220,7 @@ static void cd_writeWord(running_machine &machine, UINT32 addr, UINT16 data)
case 0x7100: // Read directory entry
CDROM_LOG(("%s:CD: Read Directory Entry\n", machine.describe_context()))
hirqreg |= (CMOK|DRDY);
hirqreg |= (CMOK|EFLS);
temp = (cr3&0xff)<<16;
temp |= cr4;