Re: TI-99/4A Screen Resolution Question

Math1723 schrieb:
I guess the emulator was made by Raphael Nabet for the MESS team. He
might be on this group and could help answer the 280x210 question.

I'd like to hear Mr. Nabet's response. I'm wondering if CALL SCREEN()
fills the entire bordered area of 284 x 243 (active display plus
borders), but the M.E.S.S. emulator crops the this to 280 x 210. It
would be very hard to tell, unless someone with an actual TI can shift
the monitor's center to the max and see if he can count the pixels.


The last person fumbling around with these settings was perhaps me ... (if you are talking about the recent version of MESS).

I had to put quite some work into the TI emulation of Raphael to get it working again, after the other MESS maintainers changed code in the core - and broke the TI emulation in several places. One change affected the video display with the 9918/9, 9928/9 - for some versions, no border was displayed at all.

As I did not have enough background information I tried a setting which seemed plausible to me, making the screen look like in prior-0.97 versions. So you probably should not put too much trust into the values found in ti99_4x.c. I remember that I did not have to change many values; I think it were some zeros that had to be replaced with other values in the screen profiles.

Michael
.

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