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MICROPROCESSOR INSTRUCTION REFERENCE->UNPK
UNPK Unpack BCD
Compatibility: 68020 only.
Source (packed BCD + adjustment -> Destination (unpacked BCD)
Adjusts and packs low four bits of each two bytes into a single byte
Assembler Syntax: | UNPK -(Ax),-(Ay),#adjustment |
UNPK Dx,Dy,#adjustment |