Re: VC-20 all 16 colours full-screen?

From: silverdr_at_wfmh.org.pl
Date: Wed, 1 Sep 2021 21:25:16 +0200
Message-Id: <B951B660-217F-4B97-9991-789455981298_at_wfmh.org.pl>
> On 2021-09-01, at 19:33, silverdr_at_wfmh.org.pl wrote:
> So vertically we don't seem to be able to cover the entire screen it seems but horizontally (except the last one/two rasterlines) that's no problem I take. Shall try to adapt the POKEs from Anders and see where I get with them.

I adapted a little what Anders was kind to suggest but at least on `xvic` I can't expand the number of columns beyond "32", which leaves one char-wide on the right still being displayed in "border" colour..

I dug out one VC-20 hardware to verify this but it doesn't boot anymore :-( Could someone verify the PRG below on a real (this is for PAL - for NTSC I understand the maximal number of columns will be lower, right?) hardware?


10 poke 56,28
20 poke 648,28
30 poke 36866,22
40 clr
50 print"S"
60 poke 36864,0
70 poke 36865,0
80 poke 36866,33
90 poke 36867,46
100 for x=0 to 1007
110 poke 7168+x,32
120 next x
130 c=0
140 geta$
150 if a$="" then 140
160 poke 36879,c*16+11
170 c=c+1
180 if c>15 then 130
190 goto 140

-- 
SD! 
Received on 2021-09-01 22:02:41

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