Re: Software for MS-DOS 1.25

From: Michał Pleban <*lists_at_michau.name*> Date: Mon, 06 Nov 2017 00:53:11 +0100 Message-ID: <59FFA467.6040106@michau.name> · lists_at_michau.name

Rhialto wrote:

> There should be at least partial support in VICE since it works for the
> SuperPET. The SuperPET has APL characters in the second character set,
> and it can be selected via bit 5 of the CRTC_REG_DISPSTARTH register
> (the one that sets the start of video ram address). It is kind of
> misused by Commodore: the higher address bits do other things.

That is also what CBM-II does - higher address its are used to select
the character set and video signal reverse. Reverse works, so I suppose
the character set should be easy to add as well.

Regards,
Michau.

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