Search found 2 matches

by Sultaneous
Wed Jul 22, 2020 5:56 am
Forum: Tales of the Unknown
Topic: C64 Graphics Mode for BT1
Replies: 2
Views: 1648

Re: C64 Graphics Mode for BT1

Using this python utility and Vice 64, I can confirm it is Multicolor Bitmap Mode (160x200). I can't confirm if it is doing a text split for the bottom pane; I've overwritten screen memory in that location with no impact, so it doesn't seem likely. But I'll have to test more, perhaps trap the raster...
by Sultaneous
Tue Jul 21, 2020 4:08 am
Forum: Tales of the Unknown
Topic: C64 Graphics Mode for BT1
Replies: 2
Views: 1648

C64 Graphics Mode for BT1

What graphics mode does BT1 use on the C64?

I suspect it is using 160x200 multicolor bitmap mode, with bitmapped fonts. But it could also use text mode split for the lower portion. Can someone who has worked with the disassembly confirm the graphics mode used? Thanks.