30 ifl: call program+$D800
38 ld a, [$FF65] ; Load from the status register
85 ld a, $60 ; Unlock the device
103 ld a, $20 ; Unlock the device
112 ; need to save d, e, and c
143 ld a, $70 ; Wait status register.
145 .wrl: ld a, [$FF65] ; Wait for bit 7 to come back on again.
150 section "a", HOME[$FF]