mirror of
https://github.com/cc65/cc65.git
synced 2024-11-19 21:32:19 +00:00
59e96ef740
Moved getdevice.s from 'c64'/'c128' to 'cbm' making use of the new 'ST' setup. git-svn-id: svn://svn.cc65.org/cc65/trunk@5834 b7a2c559-68d2-44c3-8de9-860c34a00d81
24 lines
389 B
ArmAsm
24 lines
389 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 19.11.2002
|
|
;
|
|
; The kernal open routines do not return a carry on error, so check the IEEE
|
|
; status, set carry flag and return
|
|
;
|
|
|
|
.export checkst
|
|
.importzp ST
|
|
|
|
|
|
.proc checkst
|
|
|
|
lda ST
|
|
beq @L1
|
|
lda #5 ; ### Device not present
|
|
sec
|
|
rts
|
|
|
|
@L1: clc
|
|
rts
|
|
|
|
.endproc
|