>Ultimax mode to map into the C64. This is why it needs the extra cable >attached to the HIRAM signal in the C64 to allow access to RAM at $e000. I I never new it needed an extra cable (never having seen a RAMlink in the physical) >There once was a thread in comp.sys.cbm about this cartridge, called >"epyx >fastload internals" or something like that. I think parts of the ROM >are >mapped into I/O space, and accesses to I/O space trigger a circuit that maps >in ROML for a certain time. After a timeout the ROM vanishes again. >Quite tricky :-) Indeed very tricky, I did a search for it but could find the reference. Does anyone have this article? PLEASE TAKE NOTE: The contents of this email (including any attachments) may be privileged and confidential. Any unauthorised use of the contents is expressly 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 permanently delete this email together with any attachments. 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 is explicitly the case (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 cbm-hackers-request@dot.tml.hut.fi.
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