mirror of
https://github.com/cc65/cc65.git
synced 2024-06-18 07:29:36 +00:00
25 lines
521 B
ArmAsm
25 lines
521 B
ArmAsm
;
|
|
; Marco van den Heuvel, 2018-04-23
|
|
;
|
|
|
|
; unsigned char detect_c128 (void);
|
|
;
|
|
;/* Check if the C128 8502 CPU is the current CPU.
|
|
; *
|
|
; * Possible return values:
|
|
; * 0x00 : C128 8502 is not the current CPU
|
|
; * 0x01 : C128 8502 is the current CPU
|
|
; */
|
|
|
|
.export _detect_c128
|
|
|
|
.include "accelerator.inc"
|
|
|
|
_detect_c128:
|
|
ldx #$00
|
|
lda #$01
|
|
|
|
; Make sure the CPU is a 8502
|
|
.byte $3A ; NOP on 8502, DEA on 65(S)C(E)02, 4510 and 65816
|
|
rts
|