protected static void Cmd06 <T>(ROM rom, T state)
{
int segmentedAddress = rom.Read32(4);
int segment = SegmentedAddressHelper.GetSegment(segmentedAddress);
// 06 command will return one way or another, so just wait for it
if (segment != 0x19 && segment != 0x0E)
{
return;
}
int romAddr = rom.GetROMAddress(segmentedAddress);
rom.PushOffset(romAddr - 0x8); // -8 to trick the adding after cmd
}
public int GetROMAddress(int segmentedAddress)
{
int segment = SegmentedAddressHelper.GetSegment(segmentedAddress);
int offset = SegmentedAddressHelper.GetOffset(segmentedAddress);
if (segment > 0x20)
{
return(-1);
}
if (segments[segment] == null)
{
return(-1);
}
return(segments[segment].start + offset);
}
public int GetSegmentedAddress(int romAddress)
{
for (int currentSegment = 0; currentSegment < 0x20; currentSegment++)
{
SegmentDescriptor descriptor = segments[currentSegment];
if (descriptor == null)
{
continue;
}
if (descriptor.start <= romAddress && romAddress <= descriptor.start + descriptor.length)
{
return(SegmentedAddressHelper.GetSegmentedAddress(currentSegment, romAddress - descriptor.start));
}
}
return(-1);
}