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| microM8 doesn't display DHGR page 2 [message #395377 is a reply to message #395372] |
Thu, 04 June 2020 14:14   |
Antoine Vignau
Messages: 1860
Registered: October 2012
Karma: 0
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Senior Member |
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Brian,
I am mot a user of that emulator but I wonder whether you are certain of it or not.
Did you try games from the Maxx Out series of Epyx that used the two pages of DHGR?
For DGR, I have no idea of a test program.
Antoine
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| Re: microM8 doesn't display DHGR page 2 [message #395433 is a reply to message #395377] |
Fri, 05 June 2020 12:26 |
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Originally posted by: Brian Patrie
On 04/06/2020 13.14, Antoine Vignau wrote:
> I am mot a user of that emulator but I wonder whether you are
> certain of it or not.
>
> Did you try games from the Maxx Out series of Epyx
> that used the two pages of DHGR?
>
> For DGR, I have no idea of a test program.
>
> Antoine
I don't usually use microM8, either; but i was playing with it.
I didn't try any of those games.
I discovered this bug with the view feature of Hairball--a ProDOS
filesystem browswer that i wrote in AppleSoft--which uses page 2 for HGR
& DHGR ever since it grew beyond 6k. (It works fine in GSplus, etc, and
AppleWin.)
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| Re: microM8 doesn't display DHGR page 2 [message #395434 is a reply to message #395372] |
Fri, 05 June 2020 15:11 |
gids.rs
Messages: 1395
Registered: October 2012
Karma: 0
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Senior Member |
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On Thursday, June 4, 2020 at 10:10:53 AM UTC-6, Brian Patrie wrote:
> I just discovered that, when asked to display DHGR (or 80 column text,
> and probably DGR) page 2 (80STORE off, PAGE2 on), microM8 displays page 1.
It might be that some other softswitch needs to be accessed first.
Under Sweet16, for DHGR, the graphics switch at $C050 & $C057 need to be accessed before $C05E, or the Aux portion of the graphics screen won't display.
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