; 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