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ASL: Difference between revisions

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(linkify admode)
(linkify admode)
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|7 cycles*
|7 cycles*
|+
|+
|direct page indexed X
|[[Direct Page Indexed by X]]
|16
|16
|2 bytes
|2 bytes

Revision as of 21:17, 26 June 2024

Basic Info
Addressing Mode Opcode Length Speed
Accumulator 0A 1 byte 2 cycles
Absolute 0E 3 bytes 6 cycles*
Direct Page 06 2 bytes 5 cycles*
Absolute Indexed by X 1E 3 bytes 7 cycles*
Direct Page Indexed by X 16 2 bytes 6 cycles*
Flags Affected
N V M X D I Z C
. . . . .

ASL (Arithmetic Shift Left) is a 65x instruction that shifts a value by left one bit (multiplication by two). The most significant bit is shifted into the carry flag. The least significant bit becomes a zero.

Cycle Penalties

See Also

External Links