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fixed action 52, should work like 2.0.3 version

This commit is contained in:
qeed 2009-09-27 02:52:51 +00:00
parent ae6c73ceef
commit d08c507765
1 changed files with 34 additions and 10 deletions
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44
src/ines.cpp
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@ -518,6 +518,17 @@ typedef struct {
void (*init)(CartInfo *);
} NewMI;
//this is for games that is not the a power of 2
//mapper based for now...
//not really accurate but this works since games
//that are not in the power of 2 tends to come
//in obscure mappers themselves which supports such
//size
static int not_power2[] =
{
228
};
int iNESLoad(const char *name, FCEUFILE *fp, int OverwriteVidMode)
{
struct md5_context md5;
@ -532,6 +543,9 @@ int iNESLoad(const char *name, FCEUFILE *fp, int OverwriteVidMode)
memset(&iNESCart,0,sizeof(iNESCart));
MapperNo = (head.ROM_type>>4);
MapperNo|=(head.ROM_type2&0xF0);
Mirroring = (head.ROM_type&1);
// int ROM_size=0;
@ -543,19 +557,29 @@ int iNESLoad(const char *name, FCEUFILE *fp, int OverwriteVidMode)
//head.ROM_size++;
}
else
ROM_size=head.ROM_size;
ROM_size=uppow2(head.ROM_size);
// ROM_size = head.ROM_size;
VROM_size = head.VROM_size;
int round = true;
for (int i = 0; i != sizeof(not_power2)/sizeof(not_power2[0]); ++i)
{
//for games not to the power of 2, so we just read enough
//prg rom from it, but we have to keep ROM_size to the power of 2
//since PRGCartMapping wants ROM_size to be to the power of 2
//so instead if not to power of 2, we just use head.ROM_size when
//we use FCEU_read
if (not_power2[i] == MapperNo)
{
round = false;
break;
}
}
ROM_size=uppow2(ROM_size);
if(VROM_size)
if(VROM_size)
VROM_size=uppow2(VROM_size);
MapperNo = (head.ROM_type>>4);
MapperNo|=(head.ROM_type2&0xF0);
Mirroring = (head.ROM_type&1);
if(head.ROM_type&8) Mirroring=2;
@ -621,9 +645,9 @@ int iNESLoad(const char *name, FCEUFILE *fp, int OverwriteVidMode)
ResetExState(0,0);
SetupCartPRGMapping(0,ROM,ROM_size*0x4000,0);
// SetupCartPRGMapping(1,WRAM,8192,1);
// SetupCartPRGMapping(1,WRAM,8192,1);
FCEU_fread(ROM,0x4000,ROM_size,fp);
FCEU_fread(ROM,0x4000,(round) ? ROM_size : head.ROM_size,fp);
if(VROM_size)
FCEU_fread(VROM,0x2000,head.VROM_size,fp);
@ -644,7 +668,7 @@ int iNESLoad(const char *name, FCEUFILE *fp, int OverwriteVidMode)
iNESCart.CRC32=iNESGameCRC32;
FCEU_printf(" PRG ROM: %3d x 16KiB\n CHR ROM: %3d x 8KiB\n ROM CRC32: 0x%08lx\n",
ROM_size,head.VROM_size,iNESGameCRC32);
(round) ? ROM_size : head.ROM_size, head.VROM_size,iNESGameCRC32);
{
int x;