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.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 l, #0xff
ret
trigger_b:
dec b
trigger:
dec b
ld l, b
ret
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