libretro/beetle-pce-fast-libretro
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Cleanups

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This commit is contained in:
twinaphex 2017-12-19 06:07:20 +01:00
parent 48a734c9dc
commit e9c4a591a4
1 changed files with 0 additions and 65 deletions
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65
libretro.cpp
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@ -192,11 +192,6 @@ bool PCE_InitCD(void)
static int LoadCommon(void);
static void LoadCommonPre(void);
static bool TestMagic(const char *name, MDFNFILE *fp)
{
return(TRUE);
}
static int Load(const char *name, MDFNFILE *fp)
{
uint32 headerlen = 0;
@ -301,66 +296,6 @@ static int LoadCommon(void)
return(1);
}
static bool TestMagicCD(std::vector<CDIF *> *CDInterfaces)
{
static const uint8 magic_test[0x20] = { 0x82, 0xB1, 0x82, 0xCC, 0x83, 0x76, 0x83, 0x8D, 0x83, 0x4F, 0x83, 0x89, 0x83, 0x80, 0x82, 0xCC,
0x92, 0x98, 0x8D, 0xEC, 0x8C, 0xA0, 0x82, 0xCD, 0x8A, 0x94, 0x8E, 0xAE, 0x89, 0xEF, 0x8E, 0xD0
};
uint8 sector_buffer[2048];
CDIF *cdiface = (*CDInterfaces)[0];
TOC toc;
bool ret = FALSE;
memset(sector_buffer, 0, sizeof(sector_buffer));
cdiface->ReadTOC(&toc);
for(int32 track = toc.first_track; track <= toc.last_track; track++)
{
if(toc.tracks[track].control & 0x4)
{
cdiface->ReadSector(sector_buffer, toc.tracks[track].lba, 1);
if(!memcmp((char*)sector_buffer, (char *)magic_test, 0x20))
ret = TRUE;
// PCE CD BIOS apparently only looks at the first data track.
break;
}
}
// If it's a PC-FX CD(Battle Heat), return false.
// This is very kludgy.
for(int32 track = toc.first_track; track <= toc.last_track; track++)
{
if(toc.tracks[track].control & 0x4)
{
cdiface->ReadSector(sector_buffer, toc.tracks[track].lba, 1);
if(!strncmp("PC-FX:Hu_CD-ROM", (char*)sector_buffer, strlen("PC-FX:Hu_CD-ROM")))
{
return(false);
}
}
}
// Now, test for the Games Express CD games. The GE BIOS seems to always look at sector 0x10, but only if the first track is a
// data track.
if(toc.first_track == 1 && (toc.tracks[1].control & 0x4))
{
if(cdiface->ReadSector(sector_buffer, 0x10, 1))
{
if(!memcmp((char *)sector_buffer + 0x8, "HACKER CD ROM SYSTEM", 0x14))
{
ret = TRUE;
}
}
}
return(ret);
}
static int LoadCD(std::vector<CDIF *> *CDInterfaces)
{
std::string bios_path = MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, MDFN_GetSettingS("pce_fast.cdbios").c_str() );