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- (entry) ~ACIA ( Set RST 38 jump ) PC ORG @ 0x39 + !
- AF PUSH, HL PUSH, DE PUSH,
- ( Read our character from ACIA into our BUFIDX )
- ACIA_CTL INAi,
- 0x01 ANDi, ( is ACIA rcv buf full? )
- IFNZ,
- ( correct interrupt cause )
- ACIAW> LDHL(n),
- ( is it == to ACIAR>? )
- ( +0 == ACIAR> )
- DE ACIAR> LDd(n),
- ( carry cleared from ANDi above )
- DE SBCHLd, ( cont. )
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