AxibugEmuOnline/virtuanessrc097-master/NES/Mapper/Mapper200.cpp

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//////////////////////////////////////////////////////////////////////////
// Mapper200 1200-in-1 //
//////////////////////////////////////////////////////////////////////////
void Mapper200::Reset()
{
// SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
SetPROM_16K_Bank( 4, 0 );
SetPROM_16K_Bank( 6, 0 );
if( VROM_1K_SIZE ) {
SetVROM_8K_Bank( 0 );
}
}
void Mapper200::Write( WORD addr, BYTE data )
{
SetPROM_16K_Bank( 4, addr & 0x07 );
SetPROM_16K_Bank( 6, addr & 0x07 );
SetVROM_8K_Bank( addr & 0x07 );
if( addr & 0x01 ) {
SetVRAM_Mirror( VRAM_VMIRROR );
} else {
SetVRAM_Mirror( VRAM_HMIRROR );
}
}