From: Piotr Fusik (P.Fusik_at_elka.pw.edu.pl)
Date: 2002-12-11 11:34:54
On 11 Dec 2002, Christian Groessler wrote: > >however, i guess the atari has some sort of bitmap mode (?) which could be > >used to emulate textmode. (kindof slowish though) > > It has. But it won't help much since the 320 resolution has the same > color restrictions as the 40x24 text mode... > Actually Atari has lots of text and bitmap modes: Antic 2 (OS 0) - 40x24 mono text, 8x8 128-char font Antic 3 (not supported by OS) - 40x20 mono text, 8x10 128-char font Antic 4 (OS 12) - 40x24 color text, 4x8 font (4 colors per pixel and %11 is selected from two color registers by bit7 of screen memory) Antic 5 (OS 13) - 40x12 color text, as above Antic 6 (OS 1) - 20x24 color text, 8x8 64-char mono font, 4 foreground colors selected for each char Antic 7 (OS 2) - 20x12 color text, as above Antic 2 / GTIA 9 - 40x24 gray text, 2x8 128-char font, 16 shades per pixel, 16 hues per screen Antic 2 / GTIA 10 - 40x24 color text, 2x8 128-char font, 9 colors per pixel from 128-color palette Antic 2 / GTIA 11 - 40x24 color text, 2x8 128-char font, 16 hues per pixel That were just *some* of text modes. Do you really want me to list all text and all bitmap modes? ;-) We could use Antic 4 for color letters, unfortunately you need to define your own font - Atari OS has only 8x8 fonts. Antic 6 could do, unfortunately it's only 20 columns and 64 characters (ascii 0x20-0x5f). Bye, Piotr ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo_at_musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.
This archive was generated by hypermail 2.1.3 : 2002-12-11 11:36:54 CET