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ASL (SPC700): Difference between revisions

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(direct page admode)
(dp by x)
Line 17: Line 17:
|4 cycles
|4 cycles
|+
|+
|
|[[Direct Page Indexed by X]]
|1B
|1B
|2 bytes
|2 bytes

Revision as of 18:39, 23 July 2023

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
0C 3 bytes 5 cycles
Flags Clobbered
N V P B H I Z C
. . . . .

ASL (Arithmetic Shift Left) is an SPC700 instruction that shifts 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.

See Also

External Links