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collapseos/blk/583

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2020-05-12 11:52:44 +10:00
CREATE ~ACIA
AF PUSHqq,
HL PUSHqq,
DE PUSHqq,
( Read our character from ACIA into our BUFIDX )
ACIA_CTL INAn,
0x01 ANDn, ( is ACIA rcv buf full? )
IFNZ,
( correct interrupt cause )
( +2 == ACIAW> )
ACIA_MEM 2+ LDHL(nn),
( is it == to ACIAR>? )
( +0 == ACIAR> )
DE ACIA_MEM LDdd(nn),
( carry cleared from ANDn above )
DE SBCHLss, ( cont. )