Den Tue, 12 Jun 2018 18:59:54 +0100 skrev smf <smf@null.net>: > Reminds me of the 90's when I started sketching out a DMA cart for > the C64 using a PC parallel port and a load of 74LS (buffers for the > address and data & then something more clever that waited for the bus > to be available before firing everything). I guess that the chances of getting any such setup to work is rather high. At least the parallell port on an Amiga can only in theory supply data at 700kbyte/sec so writing from another computer to the C64 wouldn't even need hand shaking if picture is disabled so there wouldn't be any bad lines. > Unfortunately it's lost to time now (or fortunately because it saves > my embarassment). Seems like many hardware projects were started in the 90's and never finished and thus saved us from embarassment ;) For example I tried doing a ROM emulator for the Atari 2600 VCS video game, but newer got it to work. Afterwards I realized that a good reason for it not working could had been that I took all the 74xx chips from known broken boards ;) ;) > I'm not aware of a decent remote debugger for a real c64 still. That is an interesting use of the DMA mode. -- (\_/) Copy the bunny to your mails to help (O.o) him achieve world domination. (> <) Come join the dark side. /_|_\ We have cookies.Received on 2018-06-13 00:01:22
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