blob: e313061b27b72192d63c1bb6e84c44e5a35e3927 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
.globl _ubox_select_ctl
GTTRIG = 0x00d8
_ubox_select_ctl::
ld b, #3
loop:
ld a, b
dec a
push bc
call GTTRIG
pop bc
or a
jr nz, trigger
djnz loop
; 2nd button
ld b, #4
ld a, b
push bc
call GTTRIG
pop bc
or a
jr nz, trigger_b
dec b
ld a, b
push bc
call GTTRIG
pop bc
or a
jr nz, trigger_b
ld a, #0xff
ret
trigger_b:
dec b
trigger:
dec b
ld a, b
ret
|
