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76-in-1 seems to be playable now

This commit is contained in:
qeed 2009-11-02 16:11:25 +00:00
parent 6d95de6b4c
commit fe12a1d308
2 changed files with 24 additions and 7 deletions
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1
changelog.txt
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@ -1,3 +1,4 @@
02-nov-2009 - qeed - fixed mapper 226, 76-in-1 seems to work now, also super 42 also seems to work with this fix, but people with save states with this game should make a new one. Since the the save state format for this game was changed a little.
31-oct-2009 - adelikat - win32 - Memwatch - Save Changes prompt - Selecting yes will do quicksave first, save as 2nd (instead of always defaulting to save as) 31-oct-2009 - adelikat - win32 - Memwatch - Save Changes prompt - Selecting yes will do quicksave first, save as 2nd (instead of always defaulting to save as)
19-oct-2009 - qeed - Mapper 253 mostly implemented, known game [ES-1064] Qi Long Zhu (C) is mostly playable (some minor graphic glitches). Thanks to VirtualNESEX for reverse engineering this, gil for giving me the mapper src for implementation reference, and Dead_Body for figuring out this game had to use chr-ram 19-oct-2009 - qeed - Mapper 253 mostly implemented, known game [ES-1064] Qi Long Zhu (C) is mostly playable (some minor graphic glitches). Thanks to VirtualNESEX for reverse engineering this, gil for giving me the mapper src for implementation reference, and Dead_Body for figuring out this game had to use chr-ram
10-oct-2009 - qeed - fixed dragon's lair the mapper 4 europe version in new PPU 10-oct-2009 - qeed - fixed dragon's lair the mapper 4 europe version in new PPU

28
src/boards/bmc42in1r.cpp
View File

@ -24,17 +24,21 @@
extern uint32 ROM_size; extern uint32 ROM_size;
static uint8 hrd_sw; static uint8 hrd_sw;
static uint8 latche; static uint8 latche[2];
static SFORMAT StateRegs[]= static SFORMAT StateRegs[]=
{ {
{&hrd_sw, 1, "DIPSW"}, {&hrd_sw, 1, "DIPSW"},
{&latche, 1, "LATCHE"}, {&latche, sizeof(latche), "LATCHE"},
{&hrd_sw, 1, "HRDSW"}, {&hrd_sw, 1, "HRDSW"},
{0} {0}
}; };
static void Sync(void) static void Sync(void)
{ {
int bank = (latche[0] >> 1 & 0x0F) |
(latche[0] >> 3 & 0x10) |
(latche[1] << 5 & 0x20);
/* if(!(latche&0x02)) /* if(!(latche&0x02))
setprg32r(0,0x8000,(latche&0x3F)>>1); setprg32r(0,0x8000,(latche&0x3F)>>1);
else else
@ -43,6 +47,8 @@ static void Sync(void)
setprg16r(0,0xC000,latche&0x3f); setprg16r(0,0xC000,latche&0x3f);
} }
*/ */
/* the old one, doesnt work with 76 in 1 game
* since it doesn't account for all the PRG-ROM
if(!(latche&0x20)) if(!(latche&0x20))
setprg32r(hrd_sw,0x8000,(latche>>1)&0x0f); setprg32r(hrd_sw,0x8000,(latche>>1)&0x0f);
else else
@ -50,12 +56,22 @@ static void Sync(void)
setprg16r(hrd_sw,0x8000,latche&0x1f); setprg16r(hrd_sw,0x8000,latche&0x1f);
setprg16r(hrd_sw,0xC000,latche&0x1f); setprg16r(hrd_sw,0xC000,latche&0x1f);
} }
setmirror((latche>>6)&1); setmirror((latche>>6)&1);*/
if(!(latche[0] & 0x20))
setprg32r(hrd_sw,0x8000,bank);
else
{
bank = (bank << 1) | (latche[0] & 1);
setprg16r(hrd_sw,0x8000,bank);
setprg16r(hrd_sw,0xC000,bank);
}
setmirror((latche[0] & 0x40) ? MI_V : MI_H);
} }
static DECLFW(BMC42in1rWrite) static DECLFW(BMC42in1rWrite)
{ {
latche=V; latche[A & 1] = V;
//latche = V;
Sync(); Sync();
} }
@ -67,7 +83,7 @@ static void BMC42in1rReset(void)
static void BMC42in1rPower(void) static void BMC42in1rPower(void)
{ {
latche=0; latche[0] = latche[1] = 0;
hrd_sw=0; hrd_sw=0;
setchr8(0); setchr8(0);
Sync(); Sync();
@ -92,7 +108,7 @@ static void M226Power(void)
{ {
if(ROM_size==64) if(ROM_size==64)
SetupCartPRGMapping(1,PRGptr[0]+512*1024,512,0); SetupCartPRGMapping(1,PRGptr[0]+512*1024,512,0);
latche=0; latche[0] = 0;
hrd_sw=0; hrd_sw=0;
setchr8(0); setchr8(0);
Sync(); Sync();