Updated: 26.04.00
Dave Westbury has kindly supplied some programming information and register details for the QIMI mouse interface. His notes are reproduced below.
Click here to download the circuit diagram (a 512x256 QL _PIC graphics file)
QIMI interrupts are enabled by reading or writing to 114622
Mouse buttons read from 114588:
bit 4 = right button
bit 5 = left button
0 = button on.
Movement read from 114620:
bit 0 = up/down direction
bit 2 = right/left movement
bit
4 = right/left direction
bit 5 = up/down movement
0=left & down, 1=right & up.