We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

MUL (SPC700): Difference between revisions

From SnesLab
Jump to: navigation, search
(linkify flags)
(→‎See Also: ADC, SBC)
Line 39: Line 39:
=== See Also ===
=== See Also ===
* [[DIV]]
* [[DIV]]
* [[ADC (SPC700)]]
* [[SBC (SPC700)]]


=== External Links ===
=== External Links ===

Revision as of 05:48, 28 November 2023

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) CF 1 byte 9 cycles
Flags Affected
N V P B H I Z C
. . . . . .

MUL is an SPC700 instruction that multiplies the value in the Y index register by the value in the accumulator and stores the product in YA. The high byte of the product is stored in Y and the low byte is stored in A.[2]

See Also

External Links

  1. Official Super Nintendo development manual on MUL: Appendix C-8 of Book I
  2. https://forums.nesdev.org/viewtopic.php?p=141221#p141221