public static byte soundram_r(int offset)
{
if (offset < 0x1000)
{
offset &= 0x3ff;
return(Namco.namcos1_cus30_r(offset));
}
else
{
offset &= 0x7ff;
return(namcos1_triram[offset]);
}
}
public static byte N2ReadMemory(ushort address)
{
byte result;
int offset;
if (address >= 0x0000 && address <= 0x3fff)
{
offset = address & 0x3fff;
result = audiorom[audiocpurom_offset + offset];
}
else if (address >= 0x4000 && address <= 0x4001)
{
result = YM2151.ym2151_status_port_0_r();
}
else if (address >= 0x5000 && address <= 0x53ff)
{
offset = address & 0x3ff;
result = Namco.namcos1_cus30_r(offset);
}
else if (address >= 0x7000 && address <= 0x77ff)
{
offset = address & 0x7ff;
result = namcos1_triram[offset];
}
else if (address >= 0x8000 && address <= 0x9fff)
{
offset = address & 0x1fff;
result = bank_ram20[offset];
}
else if (address >= 0xc000 && address <= 0xffff)
{
offset = address & 0x3fff;
result = audiorom[offset];
}
else
{
result = 0;
}
return(result);
}