/*-------------------------------------------------------------------*/
void Map68_Write( WORD wAddr, BYTE byData )
{
switch( wAddr )
{
case 0x8000:
/* Set PPU Banks */
byData %= ( NesHeader.byVRomSize << 2 );
byData <<= 1;
PPUBANK[ 0 ] = VROMPAGE( byData );
PPUBANK[ 1 ] = VROMPAGE( byData + 1);
InfoNES_SetupChr();
break;
case 0x9000:
/* Set PPU Banks */
byData %= ( NesHeader.byVRomSize << 2 );
byData <<= 1;
PPUBANK[ 2 ] = VROMPAGE( byData );
PPUBANK[ 3 ] = VROMPAGE( byData + 1);
InfoNES_SetupChr();
break;
case 0xA000:
/* Set PPU Banks */
byData %= ( NesHeader.byVRomSize << 2 );
byData <<= 1;
PPUBANK[ 4 ] = VROMPAGE( byData );
PPUBANK[ 5 ] = VROMPAGE( byData + 1);
InfoNES_SetupChr();
break;
case 0xB000:
/* Set PPU Banks */
byData %= ( NesHeader.byVRomSize << 2 );
byData <<= 1;
PPUBANK[ 6 ] = VROMPAGE( byData );
PPUBANK[ 7 ] = VROMPAGE( byData + 1);
InfoNES_SetupChr();
break;
case 0xC000:
Map68_Regs[ 2 ] = byData;
Map68_SyncMirror();
break;
case 0xD000:
Map68_Regs[ 3 ] = byData;
Map68_SyncMirror();
break;
case 0xE000:
Map68_Regs[ 0 ] = ( byData & 0x10 ) >> 4;
Map68_Regs[ 1 ] = byData & 0x03;
Map68_SyncMirror();
break;
case 0xF000:
/* Set ROM Banks */
byData %= NesHeader.byRomSize;
byData <<= 1;
ROMBANK0 = ROMPAGE( byData );
ROMBANK1 = ROMPAGE( byData + 1 );
break;
}
}
void Map68_Write( word wAddr, byte byData )
{
switch( wAddr )
{
case 0x8000:
/* Set PPU Banks */
byData %= ( S.NesHeader.VROMSize << 2 );
byData <<= 1;
W.PPUBANK[ 0 ] = VROMPAGE( byData );
W.PPUBANK[ 1 ] = VROMPAGE( byData + 1);
NESCore_Develop_Character_Data();
break;
case 0x9000:
/* Set PPU Banks */
byData %= ( S.NesHeader.VROMSize << 2 );
byData <<= 1;
W.PPUBANK[ 2 ] = VROMPAGE( byData );
W.PPUBANK[ 3 ] = VROMPAGE( byData + 1);
NESCore_Develop_Character_Data();
break;
case 0xA000:
/* Set PPU Banks */
byData %= ( S.NesHeader.VROMSize << 2 );
byData <<= 1;
W.PPUBANK[ 4 ] = VROMPAGE( byData );
W.PPUBANK[ 5 ] = VROMPAGE( byData + 1);
NESCore_Develop_Character_Data();
break;
case 0xB000:
/* Set PPU Banks */
byData %= ( S.NesHeader.VROMSize << 2 );
byData <<= 1;
W.PPUBANK[ 6 ] = VROMPAGE( byData );
W.PPUBANK[ 7 ] = VROMPAGE( byData + 1);
NESCore_Develop_Character_Data();
break;
case 0xC000:
Map68_Regs[ 2 ] = byData;
Map68_SyncMirror();
break;
case 0xD000:
Map68_Regs[ 3 ] = byData;
Map68_SyncMirror();
break;
case 0xE000:
Map68_Regs[ 0 ] = ( byData & 0x10 ) >> 4;
Map68_Regs[ 1 ] = byData & 0x03;
Map68_SyncMirror();
break;
case 0xF000:
/* Set ROM Banks */
byData %= S.NesHeader.ROMSize;
byData <<= 1;
W.ROMBANK0 = ROMPAGE( byData );
W.ROMBANK1 = ROMPAGE( byData + 1 );
break;
}
}
