/*-------------------------------------------------------------------*/
void Map99_Apu( WORD wAddr, BYTE byData )
{
if( wAddr == 0x4016 ) {
if( byData & 0x04 ) {
PPUBANK[ 0 ] = VROMPAGE( 8 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( 9 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( 10 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( 11 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( 12 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( 13 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( 14 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( 15 % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = VROMPAGE( 0 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( 1 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( 2 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( 3 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( 4 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( 5 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( 6 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( 7 % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
}
if( wAddr == 0x4020 ) {
Map99_Coin = byData;
}
}
/*-------------------------------------------------------------------*/
void Map47_Set_PPU_Banks()
{
if ( NesHeader.byVRomSize > 0 )
{
if ( Map47_Chr_Swap() )
{
PPUBANK[ 0 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr4 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr5 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr6 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr7 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr01 + 0 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr01 + 1 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr23 + 0 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr23 + 1 ) ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr01 + 0 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr01 + 1 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr23 + 0 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + ( Map47_Chr23 + 1 ) ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr4 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr5 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr6 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( ( Map47_Rom_Bank << 7 ) + Map47_Chr7 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
}
}
/*-------------------------------------------------------------------*/
void Map115_Set_PPU_Banks()
{
if ( NesHeader.byVRomSize > 0 ) {
if( Map115_Reg[0] & 0x80 ) {
PPUBANK[ 0 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr4) % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr5) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr6) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr7) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr0) % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr2) % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr3) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr0) % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr2) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr3) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr4) % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr5) % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr6) % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE( ((Map115_ExChrSwitch<<8)+Map115_Chr7) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
}
}
}
/*-------------------------------------------------------------------*/
void Map193_Sram( WORD wAddr, BYTE byData )
{
switch( wAddr ) {
case 0x6000:
PPUBANK[ 0 ] = VROMPAGE( ((byData&0xfc) + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ((byData&0xfc) + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ((byData&0xfc) + 2 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ((byData&0xfc) + 3 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0x6001:
PPUBANK[ 4 ] = VROMPAGE( ( byData + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( byData + 1 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0x6002:
PPUBANK[ 6 ] = VROMPAGE( ( byData + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( byData + 1 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0x6003:
ROMBANK0 = ROMPAGE( ((byData<<2) + 0 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK1 = ROMPAGE( ((byData<<2) + 1 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK2 = ROMPAGE( ((byData<<2) + 2 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK3 = ROMPAGE( ((byData<<2) + 3 ) % ( NesHeader.byRomSize << 1 ) );
break;
}
}
/*-------------------------------------------------------------------*/
void Map114_Set_PPU_Banks()
{
if ( NesHeader.byVRomSize > 0 )
{
if ( Map114_Chr_Swap() )
{
PPUBANK[ 0 ] = VROMPAGE( Map114_Chr4 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( Map114_Chr5 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( Map114_Chr6 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( Map114_Chr7 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( ( Map114_Chr01 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( Map114_Chr01 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( ( Map114_Chr23 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( Map114_Chr23 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = VROMPAGE( ( Map114_Chr01 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ( Map114_Chr01 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ( Map114_Chr23 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ( Map114_Chr23 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( Map114_Chr4 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( Map114_Chr5 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( Map114_Chr6 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( Map114_Chr7 % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
}
}
/*-------------------------------------------------------------------*/
void Map185_Write( WORD wAddr, BYTE byData )
{
/* Set PPU Banks */
if ( byData & 0x03 )
{
PPUBANK[ 0 ] = VROMPAGE( 0 );
PPUBANK[ 1 ] = VROMPAGE( 1 );
PPUBANK[ 2 ] = VROMPAGE( 2 );
PPUBANK[ 3 ] = VROMPAGE( 3 );
PPUBANK[ 4 ] = VROMPAGE( 4 );
PPUBANK[ 5 ] = VROMPAGE( 5 );
PPUBANK[ 6 ] = VROMPAGE( 6 );
PPUBANK[ 7 ] = VROMPAGE( 7 );
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 1 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 2 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 3 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 4 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 5 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 6 ] = Map185_Dummy_Chr_Rom;
PPUBANK[ 7 ] = Map185_Dummy_Chr_Rom;
InfoNES_SetupChr();
}
}
/*-------------------------------------------------------------------*/
void Map249_Write( WORD wAddr, BYTE byData )
{
BYTE byM0,byM1,byM2,byM3,byM4,byM5,byM6,byM7;
switch( wAddr&0xFF01 ) {
case 0x8000:
case 0x8800:
Map249_Reg[0] = byData;
break;
case 0x8001:
case 0x8801:
switch( Map249_Reg[0] & 0x07 ) {
case 0x00:
if( Map249_Spdata == 1 ) {
byM0=byData&0x1;
byM1=(byData&0x02)>>1;
byM2=(byData&0x04)>>2;
byM3=(byData&0x08)>>3;
byM4=(byData&0x10)>>4;
byM5=(byData&0x20)>>5;
byM6=(byData&0x40)>>6;
byM7=(byData&0x80)>>7;
byData=(byM5<<7)|(byM4<<6)|(byM2<<5)|(byM6<<4)|(byM7<<3)|(byM3<<2)|(byM1<<1)|byM0;
}
PPUBANK[ 0 ] = VROMPAGE((byData&0xFE) % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE((byData|0x01) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
break;
case 0x01:
if( Map249_Spdata == 1 ) {
byM0=byData&0x1;
byM1=(byData&0x02)>>1;
byM2=(byData&0x04)>>2;
byM3=(byData&0x08)>>3;
byM4=(byData&0x10)>>4;
byM5=(byData&0x20)>>5;
byM6=(byData&0x40)>>6;
byM7=(byData&0x80)>>7;
byData=(byM5<<7)|(byM4<<6)|(byM2<<5)|(byM6<<4)|(byM7<<3)|(byM3<<2)|(byM1<<1)|byM0;
}
PPUBANK[ 2 ] = VROMPAGE((byData&0xFE) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE((byData|0x01) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
break;
case 0x02:
if( Map249_Spdata == 1 ) {
byM0=byData&0x1;
byM1=(byData&0x02)>>1;
byM2=(byData&0x04)>>2;
byM3=(byData&0x08)>>3;
byM4=(byData&0x10)>>4;
byM5=(byData&0x20)>>5;
byM6=(byData&0x40)>>6;
byM7=(byData&0x80)>>7;
byData=(byM5<<7)|(byM4<<6)|(byM2<<5)|(byM6<<4)|(byM7<<3)|(byM3<<2)|(byM1<<1)|byM0;
}
/*-------------------------------------------------------------------*/
void Map10_PPU( WORD wAddr )
{
/* Control Latch Selector */
switch ( wAddr & 0x3ff0 )
{
case 0x0fd0:
/* Latch Control */
latch3.state = 0xfd;
/* Set PPU Banks */
PPUBANK[ 0 ] = VROMPAGE( latch3.lo_bank );
PPUBANK[ 1 ] = VROMPAGE( latch3.lo_bank + 1 );
PPUBANK[ 2 ] = VROMPAGE( latch3.lo_bank + 2 );
PPUBANK[ 3 ] = VROMPAGE( latch3.lo_bank + 3 );
InfoNES_SetupChr();
break;
case 0x0fe0:
/* Latch Control */
latch3.state = 0xfe;
/* Set PPU Banks */
PPUBANK[ 0 ] = VROMPAGE( latch3.hi_bank );
PPUBANK[ 1 ] = VROMPAGE( latch3.hi_bank + 1 );
PPUBANK[ 2 ] = VROMPAGE( latch3.hi_bank + 2 );
PPUBANK[ 3 ] = VROMPAGE( latch3.hi_bank + 3 );
InfoNES_SetupChr();
break;
case 0x1fd0:
/* Latch Control */
latch4.state = 0xfd;
/* Set PPU Banks */
PPUBANK[ 4 ] = VROMPAGE( latch4.lo_bank );
PPUBANK[ 5 ] = VROMPAGE( latch4.lo_bank + 1 );
PPUBANK[ 6 ] = VROMPAGE( latch4.lo_bank + 2 );
PPUBANK[ 7 ] = VROMPAGE( latch4.lo_bank + 3 );
InfoNES_SetupChr();
break;
case 0x1fe0:
/* Latch Control */
latch4.state = 0xfe;
/* Set PPU Banks */
PPUBANK[ 4 ] = VROMPAGE( latch4.hi_bank );
PPUBANK[ 5 ] = VROMPAGE( latch4.hi_bank + 1 );
PPUBANK[ 6 ] = VROMPAGE( latch4.hi_bank + 2 );
PPUBANK[ 7 ] = VROMPAGE( latch4.hi_bank + 3 );
InfoNES_SetupChr();
break;
}
}
/*-------------------------------------------------------------------*/
void Map251_Set_Banks()
{
int nChr[6];
int nPrg[4];
int i ;
for (i = 0; i < 6; i++ ) {
nChr[i] = (Map251_Reg[i]|(Map251_Breg[1]<<4)) & ((Map251_Breg[2]<<4)|0x0F);
}
if( Map251_Reg[8] & 0x80 ) {
PPUBANK[ 0 ] = VROMPAGE(nChr[2] % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE(nChr[3] % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE(nChr[4] % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE(nChr[5] % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE(nChr[0] % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE((nChr[0]+1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE(nChr[1] % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE((nChr[1]+1) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = VROMPAGE(nChr[0] % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE((nChr[0]+1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE(nChr[1] % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE((nChr[1]+1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE(nChr[2] % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE(nChr[3] % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE(nChr[4] % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE(nChr[5] % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
}
nPrg[0] = (Map251_Reg[6]&((Map251_Breg[3]&0x3F)^0x3F))|(Map251_Breg[1]);
nPrg[1] = (Map251_Reg[7]&((Map251_Breg[3]&0x3F)^0x3F))|(Map251_Breg[1]);
nPrg[2] = nPrg[3] =((Map251_Breg[3]&0x3F)^0x3F)|(Map251_Breg[1]);
nPrg[2] &= (NesHeader.byRomSize<<1)-1;
if( Map251_Reg[8] & 0x40 ) {
ROMBANK0 = ROMPAGE(nPrg[2] % (NesHeader.byRomSize<<1));
ROMBANK1 = ROMPAGE(nPrg[1] % (NesHeader.byRomSize<<1));
ROMBANK2 = ROMPAGE(nPrg[0] % (NesHeader.byRomSize<<1));
ROMBANK3 = ROMPAGE(nPrg[3] % (NesHeader.byRomSize<<1));
} else {
ROMBANK0 = ROMPAGE(nPrg[0] % (NesHeader.byRomSize<<1));
ROMBANK1 = ROMPAGE(nPrg[1] % (NesHeader.byRomSize<<1));
ROMBANK2 = ROMPAGE(nPrg[2] % (NesHeader.byRomSize<<1));
ROMBANK3 = ROMPAGE(nPrg[3] % (NesHeader.byRomSize<<1));
}
}
/*-------------------------------------------------------------------*/
void SetBank_PPU()
{
if( NesHeader.byVRomSize > 0 ) {
if( Map245_Reg[0] & 0x80 ) {
PPUBANK[ 0 ] = VROMPAGE( Map245_Chr4 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( Map245_Chr5 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( Map245_Chr6 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( Map245_Chr7 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( ( Map245_Chr01 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( Map245_Chr01 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( ( Map245_Chr23 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( Map245_Chr23 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = VROMPAGE( ( Map245_Chr01 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ( Map245_Chr01 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ( Map245_Chr23 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ( Map245_Chr23 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( Map245_Chr4 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( Map245_Chr5 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( Map245_Chr6 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( Map245_Chr7 % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
} else {
if( Map245_Reg[0] & 0x80 ) {
PPUBANK[ 4 ] = CRAMPAGE( (Map245_Chr01+0)&0x07 );
PPUBANK[ 5 ] = CRAMPAGE( (Map245_Chr01+1)&0x07 );
PPUBANK[ 6 ] = CRAMPAGE( (Map245_Chr23+0)&0x07 );
PPUBANK[ 7 ] = CRAMPAGE( (Map245_Chr23+1)&0x07 );
PPUBANK[ 0 ] = CRAMPAGE( Map245_Chr4&0x07 );
PPUBANK[ 1 ] = CRAMPAGE( Map245_Chr5&0x07 );
PPUBANK[ 2 ] = CRAMPAGE( Map245_Chr6&0x07 );
PPUBANK[ 3 ] = CRAMPAGE( Map245_Chr7&0x07 );
InfoNES_SetupChr();
} else {
PPUBANK[ 0 ] = CRAMPAGE( (Map245_Chr01+0)&0x07 );
PPUBANK[ 1 ] = CRAMPAGE( (Map245_Chr01+1)&0x07 );
PPUBANK[ 2 ] = CRAMPAGE( (Map245_Chr23+0)&0x07 );
PPUBANK[ 3 ] = CRAMPAGE( (Map245_Chr23+1)&0x07 );
PPUBANK[ 4 ] = CRAMPAGE( Map245_Chr4&0x07 );
PPUBANK[ 5 ] = CRAMPAGE( Map245_Chr5&0x07 );
PPUBANK[ 6 ] = CRAMPAGE( Map245_Chr6&0x07 );
PPUBANK[ 7 ] = CRAMPAGE( Map245_Chr7&0x07 );
InfoNES_SetupChr();
}
}
}
/*-------------------------------------------------------------------*/
void Map72_Write( WORD wAddr, BYTE byData )
{
BYTE byBank = byData & 0x0f;
if ( byData & 0x80 )
{
/* Set ROM Banks */
byBank <<= 1;
byBank %= ( NesHeader.byRomSize << 1 );
ROMBANK0 = ROMPAGE( byBank );
ROMBANK1 = ROMPAGE( byBank + 1 );
} else
if ( byData & 0x40 )
{
/* Set PPU Banks */
byBank <<= 3;
byBank %= ( NesHeader.byVRomSize << 3 );
PPUBANK[ 0 ] = VROMPAGE( byBank );
PPUBANK[ 1 ] = VROMPAGE( byBank + 1 );
PPUBANK[ 2 ] = VROMPAGE( byBank + 2 );
PPUBANK[ 3 ] = VROMPAGE( byBank + 3 );
PPUBANK[ 4 ] = VROMPAGE( byBank + 4 );
PPUBANK[ 5 ] = VROMPAGE( byBank + 5 );
PPUBANK[ 6 ] = VROMPAGE( byBank + 6 );
PPUBANK[ 7 ] = VROMPAGE( byBank + 7 );
InfoNES_SetupChr();
}
}
/*-------------------------------------------------------------------*/
void Map62_Write( WORD wAddr, BYTE byData )
{
switch( wAddr & 0xFF00 ) {
case 0x8100:
ROMBANK0 = ROMPAGE((byData+0) % (NesHeader.byRomSize<<1));
ROMBANK1 = ROMPAGE((byData+1) % (NesHeader.byRomSize<<1));
break;
case 0x8500:
ROMBANK0 = ROMPAGE(byData % (NesHeader.byRomSize<<1));
break;
case 0x8700:
ROMBANK1 = ROMPAGE(byData % (NesHeader.byRomSize<<1));
break;
default:
PPUBANK[ 0 ] = VROMPAGE((byData+0) % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE((byData+1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE((byData+2) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE((byData+3) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE((byData+4) % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE((byData+5) % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE((byData+6) % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE((byData+7) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
break;
}
}
/*-------------------------------------------------------------------*/
void Map70_Write( WORD wAddr, BYTE byData )
{
BYTE byChrBank = byData & 0x0f;
BYTE byPrgBank = ( byData & 0x70 ) >> 4;
/* Set ROM Banks */
byPrgBank <<= 1;
byPrgBank %= ( NesHeader.byRomSize << 1 );
ROMBANK0 = ROMPAGE( byPrgBank );
ROMBANK1 = ROMPAGE( byPrgBank + 1 );
/* Set PPU Banks */
byChrBank <<= 3;
byChrBank %= ( NesHeader.byVRomSize << 3 );
PPUBANK[ 0 ] = VROMPAGE( byChrBank + 0 );
PPUBANK[ 1 ] = VROMPAGE( byChrBank + 1 );
PPUBANK[ 2 ] = VROMPAGE( byChrBank + 2 );
PPUBANK[ 3 ] = VROMPAGE( byChrBank + 3 );
PPUBANK[ 4 ] = VROMPAGE( byChrBank + 4 );
PPUBANK[ 5 ] = VROMPAGE( byChrBank + 5 );
PPUBANK[ 6 ] = VROMPAGE( byChrBank + 6 );
PPUBANK[ 7 ] = VROMPAGE( byChrBank + 7 );
InfoNES_SetupChr();
/* Name Table Mirroring */
if ( byData & 0x80 )
{
InfoNES_Mirroring( 2 );
} else {
InfoNES_Mirroring( 3 );
}
}
/*-------------------------------------------------------------------*/
void Map202_WriteSub( WORD wAddr, BYTE byData )
{
int bank = (wAddr>>1) & 0x07;
/* Set ROM Banks */
ROMBANK0 = ROMPAGE(((bank<<1)+0) % (NesHeader.byRomSize<<1));
ROMBANK1 = ROMPAGE(((bank<<1)+1) % (NesHeader.byRomSize<<1));
if ((wAddr&0x0c) == 0x0c) {
ROMBANK2 = ROMPAGE((((bank+1)<<1)+0) % (NesHeader.byRomSize<<1));
ROMBANK3 = ROMPAGE((((bank+1)<<1)+1) % (NesHeader.byRomSize<<1));
} else {
ROMBANK2 = ROMPAGE((((bank+0)<<1)+0) % (NesHeader.byRomSize<<1));
ROMBANK3 = ROMPAGE((((bank+0)<<1)+1) % (NesHeader.byRomSize<<1));
}
/* Set PPU Banks */
PPUBANK[0] = VROMPAGE(((bank<<3)+0) % (NesHeader.byVRomSize<<3));
PPUBANK[1] = VROMPAGE(((bank<<3)+1) % (NesHeader.byVRomSize<<3));
PPUBANK[2] = VROMPAGE(((bank<<3)+2) % (NesHeader.byVRomSize<<3));
PPUBANK[3] = VROMPAGE(((bank<<3)+3) % (NesHeader.byVRomSize<<3));
PPUBANK[4] = VROMPAGE(((bank<<3)+4) % (NesHeader.byVRomSize<<3));
PPUBANK[5] = VROMPAGE(((bank<<3)+5) % (NesHeader.byVRomSize<<3));
PPUBANK[6] = VROMPAGE(((bank<<3)+6) % (NesHeader.byVRomSize<<3));
PPUBANK[7] = VROMPAGE(((bank<<3)+7) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
if ( wAddr & 0x01 ) {
InfoNES_Mirroring( 0 );
} else {
InfoNES_Mirroring( 1 );
}
}
/*-------------------------------------------------------------------*/
void Map10_Init()
{
int nPage;
/* Initialize Mapper */
MapperInit = Map10_Init;
/* Write to Mapper */
MapperWrite = Map10_Write;
/* Write to SRAM */
MapperSram = Map0_Sram;
/* Write to APU */
MapperApu = Map0_Apu;
/* Read from APU */
MapperReadApu = Map0_ReadApu;
/* Callback at VSync */
MapperVSync = Map0_VSync;
/* Callback at HSync */
MapperHSync = Map0_HSync;
/* Callback at PPU */
MapperPPU = Map10_PPU;
/* Callback at Rendering Screen ( 1:BG, 0:Sprite ) */
MapperRenderScreen = Map0_RenderScreen;
/* Set SRAM Banks */
SRAMBANK = SRAM;
/* Set ROM Banks */
ROMBANK0 = ROMPAGE( 0 );
ROMBANK1 = ROMPAGE( 1 );
ROMBANK2 = ROMLASTPAGE( 1 );
ROMBANK3 = ROMLASTPAGE( 0 );
/* Set PPU Banks */
if ( NesHeader.byVRomSize > 0 )
{
for ( nPage = 0; nPage < 8; ++nPage )
PPUBANK[ nPage ] = VROMPAGE( nPage );
InfoNES_SetupChr();
}
/* Init Latch Selector */
latch3.state = 0xfe;
latch3.lo_bank = 0;
latch3.hi_bank = 0;
latch4.state = 0xfe;
latch4.lo_bank = 0;
latch4.hi_bank = 0;
/* Set up wiring of the interrupt pin */
K6502_Set_Int_Wiring( 1, 1 );
}
/*-------------------------------------------------------------------*/
void Map252_Init()
{
/* Initialize Mapper */
MapperInit = Map252_Init;
/* Write to Mapper */
MapperWrite = Map252_Write;
/* Write to SRAM */
MapperSram = Map0_Sram;
/* Write to APU */
MapperApu = Map0_Apu;
/* Read from APU */
MapperReadApu = Map0_ReadApu;
/* Callback at VSync */
MapperVSync = Map0_VSync;
/* Callback at HSync */
MapperHSync = Map252_HSync;
/* Callback at PPU */
MapperPPU = Map0_PPU;
/* Callback at Rendering Screen ( 1:BG, 0:Sprite ) */
MapperRenderScreen = Map0_RenderScreen;
/* Set SRAM Banks */
SRAMBANK = SRAM;
/* Set Registers */
for( int i = 0; i < 9; i++ ) {
Map252_Reg[i] = i;
}
Map252_IRQ_Enable = 0;
Map252_IRQ_Counter = 0;
Map252_IRQ_Latch = 0;
Map252_IRQ_Clock = 0;
Map252_IRQ_Occur = 0;
/* Set ROM Banks */
ROMBANK0 = ROMPAGE( 0 );
ROMBANK1 = ROMPAGE( 1 );
ROMBANK2 = ROMLASTPAGE( 1 );
ROMBANK3 = ROMLASTPAGE( 0 );
/* Set PPU Banks */
if ( NesHeader.byVRomSize > 0 ) {
for ( int nPage = 0; nPage < 8; ++nPage )
PPUBANK[ nPage ] = VROMPAGE( nPage );
InfoNES_SetupChr();
}
/* Set up wiring of the interrupt pin */
K6502_Set_Int_Wiring( 1, 1 );
}
/*-------------------------------------------------------------------*/
void Map45_Set_PPU_Banks()
{
BYTE table[16] =
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x03,0x07,0x0F,0x1F,0x3F,0x7F,0xFF
};
Map45_C[0] = Map45_Chr0;
Map45_C[1] = Map45_Chr1;
Map45_C[2] = Map45_Chr2;
Map45_C[3] = Map45_Chr3;
Map45_C[4] = Map45_Chr4;
Map45_C[5] = Map45_Chr5;
Map45_C[6] = Map45_Chr6;
Map45_C[7] = Map45_Chr7;
for(BYTE i = 0; i < 8; i++)
{
Map45_C[i] &= table[Map45_Regs[2] & 0x0F];
Map45_C[i] |= Map45_Regs[0] & 0xff;
Map45_C[i] += (BYTE)(Map45_Regs[2] & 0x10) << 4;
}
if(Map45_Regs[6] & 0x80)
{
PPUBANK[ 0 ] = VROMPAGE( Map45_C[4] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( Map45_C[5] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( Map45_C[6] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( Map45_C[7] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( Map45_C[0] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( Map45_C[1] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( Map45_C[2] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( Map45_C[3] % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
else
{
PPUBANK[ 0 ] = VROMPAGE( Map45_C[0] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( Map45_C[1] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( Map45_C[2] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( Map45_C[3] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( Map45_C[4] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( Map45_C[5] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( Map45_C[6] % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( Map45_C[7] % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
}
/*-------------------------------------------------------------------*/
void Map255_Init()
{
int nPage;
/* Initialize Mapper */
MapperInit = Map255_Init;
/* Write to Mapper */
MapperWrite = Map255_Write;
/* Write to SRAM */
MapperSram = Map0_Sram;
/* Write to APU */
MapperApu = Map255_Apu;
/* Read from APU */
MapperReadApu = Map255_ReadApu;
/* Callback at VSync */
MapperVSync = Map0_VSync;
/* Callback at HSync */
MapperHSync = Map0_HSync;
/* Callback at PPU */
MapperPPU = Map0_PPU;
/* Callback at Rendering Screen ( 1:BG, 0:Sprite ) */
MapperRenderScreen = Map0_RenderScreen;
/* Set SRAM Banks */
SRAMBANK = SRAM;
/* Set ROM Banks */
ROMBANK0 = ROMPAGE( 0 );
ROMBANK1 = ROMPAGE( 1 );
ROMBANK2 = ROMPAGE( 2 );
ROMBANK3 = ROMPAGE( 3 );
/* Set PPU Banks */
if ( NesHeader.byVRomSize > 0 ) {
for ( nPage = 0; nPage < 8; ++nPage )
PPUBANK[ nPage ] = VROMPAGE( nPage );
InfoNES_SetupChr();
}
/* Set Registers */
InfoNES_Mirroring( 1 );
Map255_Reg[0] = 0;
Map255_Reg[1] = 0;
Map255_Reg[2] = 0;
Map255_Reg[3] = 0;
/* Set up wiring of the interrupt pin */
K6502_Set_Int_Wiring( 1, 1 );
}
/*-------------------------------------------------------------------*/
void Map67_Init()
{
/* Initialize Mapper */
MapperInit = Map67_Init;
/* Write to Mapper */
MapperWrite = Map67_Write;
/* Write to SRAM */
MapperSram = Map0_Sram;
/* Write to APU */
MapperApu = Map0_Apu;
/* Read from APU */
MapperReadApu = Map0_ReadApu;
/* Callback at VSync */
MapperVSync = Map0_VSync;
/* Callback at HSync */
MapperHSync = Map67_HSync;
/* Callback at PPU */
MapperPPU = Map0_PPU;
/* Callback at Rendering Screen ( 1:BG, 0:Sprite ) */
MapperRenderScreen = Map0_RenderScreen;
/* Set SRAM Banks */
SRAMBANK = SRAM;
/* Set ROM Banks */
ROMBANK0 = ROMPAGE( 0 );
ROMBANK1 = ROMPAGE( 1 );
ROMBANK2 = ROMLASTPAGE( 1 );
ROMBANK3 = ROMLASTPAGE( 0 );
/* Set PPU Banks */
PPUBANK[ 0 ] = VROMPAGE( 0 );
PPUBANK[ 1 ] = VROMPAGE( 1 );
PPUBANK[ 2 ] = VROMPAGE( 2 );
PPUBANK[ 3 ] = VROMPAGE( 3 );
PPUBANK[ 4 ] = VROMPAGE( ( NesHeader.byVRomSize << 3 ) - 4 );
PPUBANK[ 5 ] = VROMPAGE( ( NesHeader.byVRomSize << 3 ) - 3 );
PPUBANK[ 6 ] = VROMPAGE( ( NesHeader.byVRomSize << 3 ) - 2 );
PPUBANK[ 7 ] = VROMPAGE( ( NesHeader.byVRomSize << 3 ) - 1 );
InfoNES_SetupChr();
/* Initialize IRQ Registers */
Map67_IRQ_Enable = 0;
Map67_IRQ_Cnt = 0;
Map67_IRQ_Latch = 0;
/* Set up wiring of the interrupt pin */
K6502_Set_Int_Wiring( 1, 1 );
}
/*-------------------------------------------------------------------*/
void Map229_Write( WORD wAddr, BYTE byData )
{
if( wAddr & 0x001E ) {
BYTE byPrg = wAddr&0x001F;
ROMBANK0 = ROMPAGE(((byPrg<<1)+0) % (NesHeader.byRomSize<<1));
ROMBANK1 = ROMPAGE(((byPrg<<1)+1) % (NesHeader.byRomSize<<1));
ROMBANK2 = ROMPAGE(((byPrg<<1)+0) % (NesHeader.byRomSize<<1));
ROMBANK3 = ROMPAGE(((byPrg<<1)+1) % (NesHeader.byRomSize<<1));
BYTE byChr = wAddr & 0x0FFF;
PPUBANK[ 0 ] = VROMPAGE(((byChr<<3) + 0) % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE(((byChr<<3) + 1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE(((byChr<<3) + 2) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE(((byChr<<3) + 3) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE(((byChr<<3) + 4) % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE(((byChr<<3) + 5) % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE(((byChr<<3) + 6) % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE(((byChr<<3) + 7) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
} else {
ROMBANK0 = ROMPAGE( 0 );
ROMBANK1 = ROMPAGE( 1 );
ROMBANK2 = ROMPAGE( 2 );
ROMBANK3 = ROMPAGE( 3 );
PPUBANK[ 0 ] = VROMPAGE( 0 );
PPUBANK[ 1 ] = VROMPAGE( 1 );
PPUBANK[ 2 ] = VROMPAGE( 2 );
PPUBANK[ 3 ] = VROMPAGE( 3 );
PPUBANK[ 4 ] = VROMPAGE( 4 );
PPUBANK[ 5 ] = VROMPAGE( 5 );
PPUBANK[ 6 ] = VROMPAGE( 6 );
PPUBANK[ 7 ] = VROMPAGE( 7 );
InfoNES_SetupChr();
}
if( wAddr & 0x0020 ) {
InfoNES_Mirroring( 0 );
} else {
InfoNES_Mirroring( 1 );
}
}
/*-------------------------------------------------------------------*/
void Map187_Set_PPU_Banks()
{
PPUBANK[ 0 ] = VROMPAGE(((Map187_Chr[0]<<3)+0) % (NesHeader.byVRomSize<<3));
PPUBANK[ 1 ] = VROMPAGE(((Map187_Chr[1]<<3)+1) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE(((Map187_Chr[2]<<3)+2) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE(((Map187_Chr[3]<<3)+3) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE(((Map187_Chr[4]<<3)+4) % (NesHeader.byVRomSize<<3));
PPUBANK[ 5 ] = VROMPAGE(((Map187_Chr[5]<<3)+5) % (NesHeader.byVRomSize<<3));
PPUBANK[ 6 ] = VROMPAGE(((Map187_Chr[6]<<3)+6) % (NesHeader.byVRomSize<<3));
PPUBANK[ 7 ] = VROMPAGE(((Map187_Chr[7]<<3)+7) % (NesHeader.byVRomSize<<3));
InfoNES_SetupChr();
}
/*-------------------------------------------------------------------*/
void Map34_Sram( WORD wAddr, BYTE byData )
{
switch(wAddr)
{
/* Set ROM Banks */
case 0x7ffd:
byData <<= 2;
byData %= ( NesHeader.byRomSize << 1 );
ROMBANK0 = ROMPAGE( byData );
ROMBANK1 = ROMPAGE( byData + 1 );
ROMBANK2 = ROMPAGE( byData + 2 );
ROMBANK3 = ROMPAGE( byData + 3 );
break;
/* Set PPU Banks */
case 0x7ffe:
byData <<= 2;
byData %= ( NesHeader.byVRomSize << 3 );
PPUBANK[ 0 ] = VROMPAGE( byData );
PPUBANK[ 1 ] = VROMPAGE( byData + 1 );
PPUBANK[ 2 ] = VROMPAGE( byData + 2 );
PPUBANK[ 3 ] = VROMPAGE( byData + 3 );
InfoNES_SetupChr();
break;
/* Set PPU Banks */
case 0x7fff:
byData <<= 2;
byData %= ( NesHeader.byVRomSize << 3 );
PPUBANK[ 4 ] = VROMPAGE( byData );
PPUBANK[ 5 ] = VROMPAGE( byData + 1 );
PPUBANK[ 6 ] = VROMPAGE( byData + 2 );
PPUBANK[ 7 ] = VROMPAGE( byData + 3 );
InfoNES_SetupChr();
break;
}
}
/*-------------------------------------------------------------------*/
void Map91_Sram( WORD wAddr, BYTE byData )
{
switch( wAddr & 0xF00F)
{
/* Set PPU Banks */
case 0x6000:
PPUBANK[ 0 ] = VROMPAGE( (byData*2+0) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( (byData*2+1) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0x6001:
PPUBANK[ 2 ] = VROMPAGE( (byData*2+0) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( (byData*2+1) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0x6002:
PPUBANK[ 4 ] = VROMPAGE( (byData*2+0) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( (byData*2+1) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0x6003:
PPUBANK[ 6 ] = VROMPAGE( (byData*2+0) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( (byData*2+1) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
/* Set CPU Banks */
case 0x7000:
ROMBANK0 = ROMPAGE( byData % ( NesHeader.byRomSize << 1 ) );
break;
case 0x7001:
ROMBANK1 = ROMPAGE( byData % ( NesHeader.byRomSize << 1 ) );
break;
}
}
/*-------------------------------------------------------------------*/
void Map109_Set_PPU_Banks()
{
if ( NesHeader.byVRomSize > 0 ) {
PPUBANK[ 0 ] = VROMPAGE((Map109_Chr0) % (NesHeader.byVRomSize<<3) );
PPUBANK[ 1 ] = VROMPAGE((Map109_Chr1|((Map109_Chrmode1<<3)&0x8)) % (NesHeader.byVRomSize<<3));
PPUBANK[ 2 ] = VROMPAGE((Map109_Chr2|((Map109_Chrmode1<<2)&0x8)) % (NesHeader.byVRomSize<<3));
PPUBANK[ 3 ] = VROMPAGE((Map109_Chr3|((Map109_Chrmode1<<1)&0x8)|(Map109_Chrmode0*0x10)) % (NesHeader.byVRomSize<<3));
PPUBANK[ 4 ] = VROMPAGE((NesHeader.byVRomSize<<3)-4);
PPUBANK[ 5 ] = VROMPAGE((NesHeader.byVRomSize<<3)-3);
PPUBANK[ 6 ] = VROMPAGE((NesHeader.byVRomSize<<3)-2);
PPUBANK[ 7 ] = VROMPAGE((NesHeader.byVRomSize<<3)-1);
InfoNES_SetupChr();
}
}
/*-------------------------------------------------------------------*/
void Map134_Apu( WORD wAddr, BYTE byData )
{
switch( wAddr & 0x4101 ) {
case 0x4100:
Map134_Cmd = byData & 0x07;
break;
case 0x4101:
switch( Map134_Cmd ) {
case 0:
Map134_Prg = 0;
Map134_Chr = 3;
break;
case 4:
Map134_Chr &= 0x3;
Map134_Chr |= (byData & 0x07) << 2;
break;
case 5:
Map134_Prg = byData & 0x07;
break;
case 6:
Map134_Chr &= 0x1C;
Map134_Chr |= byData & 0x3;
break;
case 7:
if( byData & 0x01 ) InfoNES_Mirroring( 0 );
else InfoNES_Mirroring( 1 );
break;
}
break;
}
/* Set ROM Banks */
ROMBANK0 = ROMPAGE( ((Map134_Prg<<2) + 0 ) % (NesHeader.byRomSize << 1) );
ROMBANK1 = ROMPAGE( ((Map134_Prg<<2) + 1 ) % (NesHeader.byRomSize << 1) );
ROMBANK2 = ROMPAGE( ((Map134_Prg<<2) + 2 ) % (NesHeader.byRomSize << 1) );
ROMBANK3 = ROMPAGE( ((Map134_Prg<<2) + 3 ) % (NesHeader.byRomSize << 1) );
/* Set PPU Banks */
PPUBANK[ 0 ] = VROMPAGE( ((Map134_Chr<<3) + 0) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 1 ] = VROMPAGE( ((Map134_Chr<<3) + 1) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 2 ] = VROMPAGE( ((Map134_Chr<<3) + 2) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 3 ] = VROMPAGE( ((Map134_Chr<<3) + 3) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 4 ] = VROMPAGE( ((Map134_Chr<<3) + 4) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 5 ] = VROMPAGE( ((Map134_Chr<<3) + 5) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 6 ] = VROMPAGE( ((Map134_Chr<<3) + 6) % (NesHeader.byVRomSize << 3) );
PPUBANK[ 7 ] = VROMPAGE( ((Map134_Chr<<3) + 7) % (NesHeader.byVRomSize << 3) );
InfoNES_SetupChr();
//Map134_Wram[ wAddr & 0x1fff ] = byData;
}
/*-------------------------------------------------------------------*/
void Map243_Apu( WORD wAddr, BYTE byData )
{
if ( wAddr == 0x4100 )
{
Map243_Regs[0] = byData;
}
else if ( wAddr == 0x4101 )
{
switch ( Map243_Regs[0] & 0x07 )
{
case 0x02:
Map243_Regs[1] = byData & 0x01;
break;
case 0x00:
case 0x04:
case 0x07:
Map243_Regs[2] = ( byData & 0x01 ) << 1;
break;
/* Set ROM Banks */
case 0x05:
ROMBANK0 = ROMPAGE( ( byData * 4 + 0 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK1 = ROMPAGE( ( byData * 4 + 1 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK2 = ROMPAGE( ( byData * 4 + 2 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK3 = ROMPAGE( ( byData * 4 + 3 ) % ( NesHeader.byRomSize << 1 ) );
break;
case 0x06:
Map243_Regs[3] = ( byData & 0x03 ) << 2;
break;
}
/* Set PPU Banks */
if ( ( NesHeader.byVRomSize << 3 ) <= 64 )
{
BYTE chr_bank = ( Map243_Regs[2] + Map243_Regs[3] ) >> 1;
PPUBANK[ 0 ] = VROMPAGE( ( chr_bank * 8 + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ( chr_bank * 8 + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ( chr_bank * 8 + 2 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ( chr_bank * 8 + 3 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( ( chr_bank * 8 + 4 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( chr_bank * 8 + 5 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( ( chr_bank * 8 + 6 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( chr_bank * 8 + 7 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
else
{
/*-------------------------------------------------------------------*/
void Map100_Set_PPU_Banks()
{
if ( NesHeader.byVRomSize > 0 )
{
PPUBANK[ 0 ] = VROMPAGE( Map100_Chr0 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( Map100_Chr1 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( Map100_Chr2 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( Map100_Chr3 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( Map100_Chr4 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( Map100_Chr5 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( Map100_Chr6 % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( Map100_Chr7 % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
}
/*-------------------------------------------------------------------*/
void Map222_Write( WORD wAddr, BYTE byData )
{
switch( wAddr & 0xF003 ) {
case 0x8000:
ROMBANK0 = ROMPAGE( byData % ( NesHeader.byRomSize << 1 ) );
break;
case 0xA000:
ROMBANK1 = ROMPAGE( byData % ( NesHeader.byRomSize << 1 ) );
break;
case 0xB000:
PPUBANK[ 0 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xB002:
PPUBANK[ 1 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xC000:
PPUBANK[ 2 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xC002:
PPUBANK[ 3 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xD000:
PPUBANK[ 4 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xD002:
PPUBANK[ 5 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xE000:
PPUBANK[ 6 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
case 0xE002:
PPUBANK[ 7 ] = VROMPAGE( byData % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
break;
}
}
/*-------------------------------------------------------------------*/
void Map46_Set_ROM_Banks()
{
/* Set ROM Banks */
ROMBANK0 = ROMPAGE( ( ( Map46_Regs[ 0 ] << 3 ) + ( Map46_Regs[ 2 ] << 2 ) + 0 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK1 = ROMPAGE( ( ( Map46_Regs[ 0 ] << 3 ) + ( Map46_Regs[ 2 ] << 2 ) + 1 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK2 = ROMPAGE( ( ( Map46_Regs[ 0 ] << 3 ) + ( Map46_Regs[ 2 ] << 2 ) + 2 ) % ( NesHeader.byRomSize << 1 ) );
ROMBANK3 = ROMPAGE( ( ( Map46_Regs[ 0 ] << 3 ) + ( Map46_Regs[ 2 ] << 2 ) + 3 ) % ( NesHeader.byRomSize << 1 ) );
/* Set PPU Banks */
PPUBANK[ 0 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 0 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 1 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 1 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 2 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 2 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 3 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 3 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 4 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 4 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 5 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 5 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 6 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 6 ) % ( NesHeader.byVRomSize << 3 ) );
PPUBANK[ 7 ] = VROMPAGE( ( ( Map46_Regs[ 1 ] << 6 ) + ( Map46_Regs[ 3 ] << 3 ) + 7 ) % ( NesHeader.byVRomSize << 3 ) );
InfoNES_SetupChr();
}
/*-------------------------------------------------------------------*/
void Map122_Sram( WORD wAddr, BYTE byData )
{
if ( wAddr == 0x6000 )
{
BYTE byChrBank0 = byData & 0x07;
BYTE byChrBank1 = ( byData & 0x70 ) >> 4;
byChrBank0 = ( byChrBank0 << 2 ) % ( NesHeader.byVRomSize << 3 );
byChrBank1 = ( byChrBank1 << 2 ) % ( NesHeader.byVRomSize << 3 );
PPUBANK[ 0 ] = VROMPAGE( byChrBank0 + 0 );
PPUBANK[ 1 ] = VROMPAGE( byChrBank0 + 1 );
PPUBANK[ 2 ] = VROMPAGE( byChrBank0 + 2 );
PPUBANK[ 3 ] = VROMPAGE( byChrBank0 + 3 );
PPUBANK[ 4 ] = VROMPAGE( byChrBank1 + 0 );
PPUBANK[ 5 ] = VROMPAGE( byChrBank1 + 1 );
PPUBANK[ 6 ] = VROMPAGE( byChrBank1 + 2 );
PPUBANK[ 7 ] = VROMPAGE( byChrBank1 + 3 );
InfoNES_SetupChr();
}
