This was the C64FC cart with dual ported RAM. Update & view C64's RAM while the C64 is running. https://web.archive.org/web/20200811031826/https://jmp.no/blog/c64fc https://github.com/jmp-no/c64fc On 6/15/22 07:55, Justin wrote: > Ultimate 64 kind of does that does it not, optionally streaming debug over ethernet? Granted it is not original metal. > > Justin > >> On Jun 15, 2022, at 09:50, silverdr_at_srebrnysen.com wrote: >> >> >>>> On 2022-06-15, at 11:25, tokafondo <tokafondo_at_tokafondo.name> wrote: >>>> I was thinking if a system could be created to freeze a Commodore 64 and DMA'ing code/data at desired memory locations and then unfreeze it, so it could be tested in the real machine in real time. >>>> >>>> People tend to program by using emulators and once it's working there, burn to an easyflash or save to a whatever disk or tape file and then run in the machine, many times finding mostly with VIC-II dark magic that what worked beautifully in the emulator doesn't do it in the real machine. >>>> >>>> Can it be done? >>> On Wed, Jun 15, 2022 at 8:27 AM <silverdr_at_srebrnysen.com> wrote: >>> >>> Yes, it can. The "CodeRacer"[*] does this and a lot more. >>> >>> On 2022-06-15, at 13:48, Bill Degnan <billdegnan_at_gmail.com> wrote: >>> >>> How about using a HESMAN cartridge to take a snapshot of RAM and then dumping the contents of RAM to a disk? Nothing formal, just what I needed at the time. I documented the process based on the CBM manual >>> https://www.vintagecomputer.net/browse_thread.cfm?id=287 >>> I see no reason that you couldn't do this with a C-64 and 1541 drive too, I hope. >>> Bill >> Sure, but that's a different and somewhat "limited" use case. We're talking about making development at least as easy and effective as on emulators, with real-time monitoring, debugging, updates, rewind/replay, etc. etc. >> >>Received on 2022-06-15 18:00:11
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