Add Atari2600 ASM header (.inc) files

2017-01-13 21:11:44 +01:00
parent c1aac0de0e
commit 3d52856dd2
3 changed files with 96 additions and 0 deletions
--- a/asminc/atari2600_riot.inc
+++ b/asminc/atari2600_riot.inc
@@ -0,0 +1,20 @@
+; Atari 2600 RIOT read / write registers
+;
+; Source: DASM - vcs.h
+; Details available in: Stella Programmer's Guide by Steve Wright
+;
+; Florent Flament (contact@florentflament.com), 2017
+
+; Read registers
+SWCHA  := $0280
+SWACNT := $0281
+SWCHB  := $0282
+SWBCNT := $0283
+INTIM  := $0284
+TIMINT := $0285
+
+; Write registers
+TIM1T  := $0294
+TIM8T  := $0295
+TIM64T := $0296
+T1024T := $0297