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MICROPROCESSOR INSTRUCTION REFERENCE->ASLD

Arithmetic shift left double accumulator

Compatibility: 6803, 6303R, 6303X, 6303Y

C <-   ACC A   <-   ACC B   <- 0
   b7       b0  b7       b0

Condition Code Register

C  Set to bit 7 of operand (Acc A)
V  Set if N 'eor' C = 1 after execution, else cleared
Z  Set if result zero, else cleared
N  Set if result negative, else cleared
I  Not affected
H  Not affected

    
Addressing modeopcycbytesAssembler syntax
Implied:0511ASLD

(Sometimes more cycles)