Files
open-roms/c64/kernal/setmsg.s
T

14 lines
264 B
ArmAsm

;;
;; Official Kernal routine, described in:
;;
;; - [RG64] C64 Programmer's Reference Guide - page 298
;; - [CM64] Compute's Mapping the Commodore 64 - page 239
;;
;; CPU registers that has to be preserved (see [RG64]): .A, .X, .Y
;;
setmsg:
sta MSGFLG
rts