ASL (SPC700): Difference between revisions

Revision as of 19:14, 22 July 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
	1C	1 byte	2 cycles
	0B	2 bytes	4 cycles
	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.

External Links

Official Super Nintendo development manual on ASL: Appendix C-7 of Book I

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-'''ASL''' is an [[SPC700]] instruction that shifts to the left.
+'''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 ===