73623fff53
it seems I left my asm argument harmonization half done here. Instructions list at B208 doesn't correspond to many actual mnemonics. This mnemonic here was the worst offender.
14 lines
454 B
Plaintext
14 lines
454 B
Plaintext
(entry) ~ACIA ( Set RST 38 jump ) PC ORG @ 0x39 + !
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AF PUSH, HL PUSH, DE PUSH,
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( Read our character from ACIA into our BUFIDX )
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ACIA_CTL INAi,
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0x01 ANDi, ( is ACIA rcv buf full? )
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IFNZ,
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( correct interrupt cause )
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ACIAW> LDHL(n),
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( is it == to ACIAR>? )
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( +0 == ACIAR> )
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DE ACIAR> LDd(n),
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( carry cleared from ANDi above )
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DE SBCHLd, ( cont. )
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