Turbo PMAC2 Eth Ultralite Manual
HARDWARE SETUP
20
How to use THW Port as general purpose IO (8 Input and 8 Output):
1. WX:$78400, $FF00 ;IO Direction Control
2. WY:$78404, $FFFF ;IO Data Type Control
3. WX:$78404, 0 ;IO Inversion Control
M1000->Y:$78400,0,8 ;8 Inputs
M1001->Y:$78400,8,8 ;8 Outputs
