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collapseos/blk/623

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2020-05-15 12:15:31 +10:00
CODE _ctl ( a -- sends LSB then MSB )
HL POPqq, chkPS,
A L LDrr, VDP_CTLPORT OUTnA,
A H LDrr, VDP_CTLPORT OUTnA,
;CODE
CODE _data
HL POPqq, chkPS,
A L LDrr, VDP_DATAPORT OUTnA,
;CODE