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

SUBW (SPC700): Difference between revisions

From SnesLab
Jump to: navigation, search
(where difference goes)
(made flags affected more prominent)
 
(One intermediate revision by the same user not shown)
Line 25: Line 25:
|[[Carry Flag|C]]
|[[Carry Flag|C]]
|+
|+
|
|N
|
|V
|.
|.
|.
|.
|
|H
|.
|.
|
|Z
|
|C
|}
|}


Line 50: Line 50:
=== External Links ===
=== External Links ===
* Official Super Nintendo development manual on SUBW: Table C-12 in [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
* Official Super Nintendo development manual on SUBW: Table C-12 in [https://archive.org/details/SNESDevManual/book1/page/n233 Appendix C-8 of Book I]
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L587


[[Category:ASM]]
[[Category:ASM]]

Latest revision as of 14:40, 30 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Direct Page 9A 2 bytes 5 cycles
Flags Affected
N V P B H I Z C
N V . . H . Z C

SUBW (Subtract Word) is an SPC700 command that subtracts a 16-bit direct page word from YA. The difference is stored in YA.

Syntax

SUBW YA, dp

See Also

External Links