collapseos/arch/z80/sms/blk/613

16 lines
460 B
Plaintext

CODE _status
A 0b11111101 LDri, ( TH output, unselected )
PAD_CTLPORT OUTiA,
PAD_D1PORT INAi,
0x3f ANDi, ( low 6 bits are good )
H A LDrr, ( let's store them )
( Start and A are returned when TH is selected, in bits 5 and
4. Well get them, left-shift them and integrate them to B. )
A 0b11011101 LDri, ( TH output, selected )
PAD_CTLPORT OUTiA,
PAD_D1PORT INAi,
0b00110000 ANDi,
A SLA, A SLA, H ORr,
PUSHA,
;CODE