10 lines
245 B
ArmAsm
10 lines
245 B
ArmAsm
; Function defined on pp272-273 of C64 Programmers Reference Guide
|
|
stop:
|
|
;; Bit 7 of BUCKYSTATUS contains the state of the STOP key
|
|
;; (Compute's Mapping the 64, p27)
|
|
|
|
;; Get it into the carry flag by rotating left
|
|
lda BUCKYSTATUS
|
|
rol
|
|
rts
|