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ADR and track # fixes

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This commit is contained in:
Angelo Salese 2013-10-20 15:10:59 +00:00
parent daaab882a6
commit c49b925dfe
2 changed files with 10 additions and 4 deletions
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13
src/emu/machine/stvcd.c
View File

@ -1,4 +1,4 @@
// license:?
// license:MAME
// copyright-holders:Angelo Salese, R. Belmont
/***************************************************************************
@ -97,6 +97,11 @@ int saturn_state::get_track_index(UINT32 fad)
return 1;
}
int saturn_state::sega_cdrom_get_adr_control(cdrom_file *file, int track)
{
return BITSWAP8(cdrom_get_adr_control(file, cur_track),3,2,1,0,7,6,5,4);
}
void saturn_state::cr_standard_return(UINT16 cur_status)
{
if ((cd_stat & 0x0f00) == CD_STAT_SEEK)
@ -105,7 +110,7 @@ void saturn_state::cr_standard_return(UINT16 cur_status)
UINT8 seek_track = cdrom_get_track(cdrom, cd_fad_seek-150);
cr1 = cur_status | (playtype << 7) | 0x00 | (cdda_repeat_count & 0xf);
cr2 = (seek_track == 0xff) ? 0xffff : ((cdrom_get_adr_control(cdrom, seek_track)<<8) | seek_track);
cr2 = (seek_track == 0xff) ? 0xffff : ((sega_cdrom_get_adr_control(cdrom, seek_track)<<8) | seek_track);
cr3 = (get_track_index(cd_fad_seek)<<8) | (cd_fad_seek>>16); //index & 0xff00
cr4 = cd_fad_seek;
}
@ -116,7 +121,7 @@ void saturn_state::cr_standard_return(UINT16 cur_status)
- Whizz: wpset 0x608f030,4,w,wpdata==0x100&&pc!=0x6040006
*/
cr1 = cur_status | (playtype << 7) | 0x00 | (cdda_repeat_count & 0xf); //options << 4 | repeat & 0xf
cr2 = (cur_track == 0xff) ? 0xffff : (cdrom_get_adr_control(cdrom, cur_track)<<8 | cur_track); // TODO: fix current track
cr2 = (cur_track == 0xff) ? 0xffff : ((sega_cdrom_get_adr_control(cdrom, cur_track)<<8) | (cdrom_get_track(cdrom, cd_curfad-150)+1));
cr3 = (get_track_index(cd_curfad)<<8) | (cd_curfad>>16); //index & 0xff00
cr4 = cd_curfad;
}
@ -2287,7 +2292,7 @@ void saturn_state::cd_readTOC(void)
{
if (cdrom)
{
tocbuf[tocptr] = cdrom_get_adr_control(cdrom, i)<<4 | 0x01;
tocbuf[tocptr] = sega_cdrom_get_adr_control(cdrom, i);
}
else
{

1
src/mame/includes/stv.h
View File

@ -558,6 +558,7 @@ public:
void stvcd_set_tray_close(void);
int get_track_index(UINT32 fad);
int sega_cdrom_get_adr_control(cdrom_file *file, int track);
void cr_standard_return(UINT16 cur_status);
void cd_free_block(blockT *blktofree);
void cd_defragblocks(partitionT *part);