Thanks for the replies :) > > 3) how does one DMA to write to the 6510 ports 0x0000 and 0x0001??? > > One doesn't. It's also difficult to write to the memory locations 0 and 1 > with the 6510, but it's possible and I've done it. > I've some experience with a CP/M-module for the C64 and I only can acknowledge what Marko writes. If I wanted to change the memory configuration, I had to activate the 6510 again. so how does this work? > > The contents of this email (including any attachments) may be > > privileged and confidential. > > Does this mean that your company is going to develop an accelerator > cartridge for the C64? :-) > The email trailer is attached by my work's server and I can't switch it off.... they are into engine /fuel system development, though do have a few good electronic people.... (they are mostly into hacking GameBoys) re: developing a C64 accelerator, I was just brainstorming again (read as: "dreaming").... thought was a scalable processor /cart using an all in one PC running a core only emulator (and maybe an REU emu) and writing_all /reading_IO via 1MHz DMAs to the real hardware (probably via a set of 8255 chips on a PCslot or LPT port).... upgrade the PC and upgrade the C64....software stays the same... unlike the SCPU which is 20MHz until someone makes a faster 65816.... [COPLIN, Nicholas.] - nick ------------------------------------------------------------------------------------------------ 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 cooperation. 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) 1999: 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.tcm.hut.fi.
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