Re: CBM-II Colour mod (was: Software for MS-DOS 1.25)

From: Konrad B <konrad0x42_at_gmail.com>
Date: Mon, 6 Nov 2017 09:38:44 +0100
Message-ID: <CAB5WB+v+0pS7PfgVuQ+=w7zPANAMyK93iz0BJ54QekiV6VZ9+w@mail.gmail.com>
2017-11-06 2:30 GMT+01:00 Steve Gray <sjgray@rogers.com>:
> In terms CRTC I'd go with the HD63B45P as it supports split-screen windows
> and smooth scrolling.

Or is it about HD68B45SP (aka HD46505SP-2) ?  Didn't know about this.
Nice - I ordered them already few days ago (with some HD63B03-s for
the Sharp CE516P plotter, but they are 680X family MPUs of course;
different story...).

>Adding a VIC-II would be problematic since it will limit the CPU to 1MHz.

Possible solution, this is for the C64 though, I do not remember it
Kisiel ever tested it with the old boards (once I gave him about 10
different HMOS-2 VIC-s for the experiments, so possibly he focused on
the 64E):
http://wiki.projekt64.filety.pl/doku.php?do=show&id=projekt64/turbo

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Received on 2017-11-06 09:00:03

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