Posted By
malcontent on 2014-08-02 22:46:46
| Re: Some programming help. Crash on CHROUT, maybe?
Thanks for your responses. I will change the IRQ ack, and see if it helps. My joystick routine is IIRC straight from the programmers reference guide:
ldx #$fd - stx $ff08 lda $ff08 stx $ff08 cmp $ff08 bne - sta joy
|