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Implement `ADCD` instruction #64

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craigthomas opened this issue Aug 15, 2022 · 0 comments

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6309 enhancement

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Release Version 2...

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craigthomas commented

Implement the ADCD 6309 instruction mnemonic in the assembler. Adds contents of double byte, plus carry flag, plus memory value, and stores in D.

Immediate - $1089, 4 bytes
Direct - $1099, 3 bytes
Indexed - $10A9, 3+ bytes
Extended - $10B9, 4 bytes

Example:

ADCD #$1010

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craigthomas added enhancement 6309 labels

craigthomas added this to the Release Version 2.0.0 milestone

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