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17 lines
503 B
Plaintext
17 lines
503 B
Plaintext
(entry) ~ACIA ( Set RST 38 jump ) PC ORG @ 0x39 + !
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AF PUSHqq,
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HL PUSHqq,
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DE PUSHqq,
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( Read our character from ACIA into our BUFIDX )
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ACIA_CTL INAn,
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0x01 ANDn, ( is ACIA rcv buf full? )
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IFNZ,
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( correct interrupt cause )
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( +2 == ACIAW> )
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ACIA_MEM 2+ LDHL(nn),
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( is it == to ACIAR>? )
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( +0 == ACIAR> )
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DE ACIA_MEM LDdd(nn),
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( carry cleared from ANDn above )
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DE SBCHLss, ( cont. )
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