62 lines
1.7 KiB
C#
62 lines
1.7 KiB
C#
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper070 Bandai 74161 //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
using static VirtualNes.MMU;
|
|
using BYTE = System.Byte;
|
|
|
|
|
|
namespace VirtualNes.Core
|
|
{
|
|
public class Mapper070 : Mapper
|
|
{
|
|
BYTE patch;
|
|
public Mapper070(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
patch = 0;
|
|
|
|
uint crc = nes.rom.GetPROM_CRC();
|
|
|
|
if (crc == 0xa59ca2ef)
|
|
{ // Kamen Rider Club(J)
|
|
patch = 1;
|
|
nes.SetRenderMethod(EnumRenderMethod.POST_ALL_RENDER);
|
|
}
|
|
if (crc == 0x10bb8f9a)
|
|
{ // Family Trainer - Manhattan Police(J)
|
|
patch = 1;
|
|
}
|
|
if (crc == 0x0cd00488)
|
|
{ // Space Shadow(J)
|
|
patch = 1;
|
|
}
|
|
|
|
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
|
|
SetVROM_8K_Bank(0);
|
|
}
|
|
|
|
//void Mapper070::Write(WORD addr, BYTE data)
|
|
public override void Write(ushort addr, byte data)
|
|
{
|
|
SetPROM_16K_Bank(4, (data & 0x70) >> 4);
|
|
SetVROM_8K_Bank(data & 0x0F);
|
|
|
|
if (patch != 0)
|
|
{
|
|
if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_HMIRROR);
|
|
else SetVRAM_Mirror(VRAM_VMIRROR);
|
|
}
|
|
else
|
|
{
|
|
if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_MIRROR4H);
|
|
else SetVRAM_Mirror(VRAM_MIRROR4L);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|