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ASL (SPC700)

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Basic Info
Addressing Mode Opcode Length Speed
Accumulator 1C 1 byte 2 cycles
Direct Page 0B 2 bytes 4 cycles
Direct Page Indexed by X 1B 2 bytes 5 cycles
Absolute 0C 3 bytes 5 cycles
Flags Affected
N V P B H I Z C
. . . . .

ASL (Arithmetic Shift Left) is an SPC700 instruction that shifts every bit of its operand one bit to the left, more or less multiplying it by two. A zero is shifted into the least significant bit. The most significant bit is shifted into the carry flag.

Syntax

ASL A
ASL dp
ASL dp+x
ASL !abs

asl spc.png

See Also

External Links