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reaperman says chr ram isnt getting reset sometimes when the system gets power cycled. i can't reset it all the time since 100 mappers may maintain their own chr ram, but at least for boards that use the ines generic chr ram handling, i can reset it.

This commit is contained in:
zeromus 2011-12-21 06:53:55 +00:00
parent 306b8a5278
commit 6632b06871
1 changed files with 35 additions and 24 deletions
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59
src/ines.cpp
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@ -63,6 +63,7 @@ uint32 ROM_size=0;
uint32 VROM_size=0;
char LoadedRomFName[2048]; //mbg merge 7/17/06 added
static int CHRRAMSize = -1;
static void iNESPower(void);
static int NewiNES_Init(int num);
@ -81,6 +82,28 @@ static DECLFR(TrainerRead)
return(trainerpoo[A&0x1FF]);
}
static void iNES_ExecPower()
{
if(CHRRAMSize != -1)
FCEU_MemoryRand(VROM,CHRRAMSize);
if(iNESCart.Power)
iNESCart.Power();
if(trainerpoo)
{
int x;
for(x=0;x<512;x++)
{
X6502_DMW(0x7000+x,trainerpoo[x]);
if(X6502_DMR(0x7000+x)!=trainerpoo[x])
{
SetReadHandler(0x7000,0x71FF,TrainerRead);
break;
}
}
}
}
void iNESGI(GI h) //bbit edited: removed static keyword
{
@ -97,21 +120,8 @@ void iNESGI(GI h) //bbit edited: removed static keyword
iNESCart.Reset();
break;
case GI_POWER:
if(iNESCart.Power)
iNESCart.Power();
if(trainerpoo)
{
int x;
for(x=0;x<512;x++)
{
X6502_DMW(0x7000+x,trainerpoo[x]);
if(X6502_DMR(0x7000+x)!=trainerpoo[x])
{
SetReadHandler(0x7000,0x71FF,TrainerRead);
break;
}
}
}
iNES_ExecPower();
break;
case GI_CLOSE:
{
@ -1306,12 +1316,12 @@ void iNESStateRestore(int version)
if(0) switch(Mirroring)
{
case 0:setmirror(MI_H);break;
case 1:setmirror(MI_V);break;
case 0x12:
case 0x10:setmirror(MI_0);break;
case 0x13:
case 0x11:setmirror(MI_1);break;
case 0:setmirror(MI_H);break;
case 1:setmirror(MI_V);break;
case 0x12:
case 0x10:setmirror(MI_0);break;
case 0x13:
case 0x11:setmirror(MI_1);break;
}
if(MapStateRestore) MapStateRestore(version);
}
@ -1337,9 +1347,9 @@ static void iNESPower(void)
all of the iNES mapper code... */
IRQCount=IRQLatch=IRQa=0;
if(head.ROM_type&2)
memset(GameMemBlock+8192,0,GAME_MEM_BLOCK_SIZE-8192);
memset(GameMemBlock+8192,0,GAME_MEM_BLOCK_SIZE-8192);
else
memset(GameMemBlock,0,GAME_MEM_BLOCK_SIZE);
memset(GameMemBlock,0,GAME_MEM_BLOCK_SIZE);
NONE_init();
ResetExState(0,0);
@ -1384,6 +1394,8 @@ static int NewiNES_Init(int num)
{
BMAPPINGLocal *tmp=bmap;
CHRRAMSize = -1;
if(GameInfo->type == GIT_VSUNI)
AddExState(FCEUVSUNI_STATEINFO, ~0, 0, 0);
@ -1394,7 +1406,6 @@ static int NewiNES_Init(int num)
UNIFchrrama=0; // need here for compatibility with UNIF mapper code
if(!VROM_size)
{
int CHRRAMSize;
if(num==13)
{
CHRRAMSize=16384;