public void SetBuffer(IoMemory buffer)
{
uint address = (uint)buffer.PhysicalAddress.Value;
ushort offs = eightBit
? (ushort)((address) & 0xffff)
: (ushort)((address >> 1) & 0xffff);
pagePort.Write8((byte)((address >> 16) & 0xff));
addrPort.Write8((byte)(offs & 0xff));
addrPort.Write8((byte)(offs >> 8));
}
public virtual void Write8(int offset, byte value)
{
uint config = (((uint)offset & 0xff) |
((uint)identifier << 8) |
((uint)1 << 31));
addressPort.Write32(config);
dataPort.Write8((uint)(offset & 0x3), value);
}
public void SetTransferLength(ushort length)
{
countPort.Write8((byte)(length & 0xff)); //buffersize
countPort.Write8((byte)(length >> 8)); //buffersize
}
public void ClearFlipFlop()
{
clearPort.Write8(0x00);
}
public void EnableChannel()
{
maskPort.Write8(channel);
}
public void SetControlByte()
{
controlByte |= controlByteMask;
modePort.Write8(controlByte);
}
