Christopher Phillips wrote: > Should be any that support M-W and M-E, has a page I can use > for code at 0x500, ... A wild idea: How much does the hardware of the PET disk drives vary? Would a custom routine that runs on the DOS CPU work on all types of drives (040, 850 and 900)? Of course, the protocol would transfer at least whole bytes at a time (more than that, if the handshaking lines can be misused for transfers). > True. I will tidy up my own code a little first though. But don't look at the protocol the IRQ loader uses. It tolerates arbitrary pauses on the computer side, but it has very bad throughput. >>Have you looked at the cbmlink null-modem protocol? [...] > I should look at SerialSlave first as I already have the hardware ;-) Maybe I haven't pointed it out clearly enough, but the current version of cbmlink supports also 6551 based null modem connections (3 wires: GND, TxD and RxD) on POSIX termios and on Win32. I have tested it on the plus/4 and on the CBM 720 (a.k.a. high-profile B-256), but I don't have a SwiftLink-like 6551 cartridge for the C64/C128 I could test it with. [C2N232] > I'd be interested in testing it In that case, send me your address. After all, I wouldn't have invented it if I hadn't visited your place. Marko Message was sent through the cbm-hackers mailing list
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