Hi All, how does the C64 kernal scan the keys - does it strobe column by column (pa0 - pa7, one by one) and read the answer in pb0 - pb7; or does it set all columns at once? I'm wanting to drive something off the Joystick ports (eg a rumble-pack type device), but I want it only to respond to specific codes, not the keyscan routines. I'm hoping that I can use illegal joystick moves as a code (ie grounding left and right at the same time), but this won't work if the keyboard routine also grounds more than one line at a time. Does anyone know the answer? Regards, - Nick PLEASE TAKE NOTE: The contents of this email (including any attachments) may be privileged and confidential. Any unauthorised use if the contents is expressely prohibited. If you have received this email in error, please advise us immediately (you can contact us by telephone on +61 8 9441 2311 by reverse charge) and then permanetly delete this email together with any attchaments. We appreciate your co-operation. Whilst Orbital endeavours to take reasonable care to ensure that this email and any attachments are free from viruses or other defects, Orbital does not represent or warrant that such are free from computer viruses or other defects. (C) 2000: Orbital Engine Company (Australia) PTY LTD and its affiliates - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail firstname.lastname@example.org.
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