AxibugEmuOnline/References/virtuanessrc097-master/NES/Mapper/Mapper058.cpp
2024-08-05 17:58:53 +08:00

29 lines
1.4 KiB
C++
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

//////////////////////////////////////////////////////////////////////////
// Mapper058 //
//////////////////////////////////////////////////////////////////////////
void Mapper058::Reset()
{
SetPROM_32K_Bank( 0, 1, 0, 1 );
if( VROM_1K_SIZE ) {
SetVROM_8K_Bank( 0 );
}
}
void Mapper058::Write( WORD addr, BYTE data )
{
if( addr & 0x40 ) {
SetPROM_16K_Bank( 4, addr&0x07 );
SetPROM_16K_Bank( 6, addr&0x07 );
} else {
SetPROM_32K_Bank( (addr&0x06)>>1 );
}
if( VROM_1K_SIZE ) {
SetVROM_8K_Bank( (addr&0x38)>>3 );
}
if( data & 0x02 ) SetVRAM_Mirror( VRAM_VMIRROR );
else SetVRAM_Mirror( VRAM_HMIRROR );
}