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

XBA

From SnesLab

Revision as of 03:28, 16 May 2023 by Xetheria (talk | contribs) (added Labiak page)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to: navigation, search

XBA is an instruction that exchanges the high byte (B) and low byte (typically called A) of the C accumulator. It works even in 6502 emulation mode. In 65816 native mode, its mnemonic is still "XBA" even when the accumulator is 16-bits wide.


Basic Info
Addressing Mode	Opcode	Length	Speed
implied	EB	1 byte	3 cycles


Flags Clobbered
N	V	M	X	D	I	Z	C
	.	.	.	.	.		.

External Links

Eyes & Lichty page on XBA: https://archive.org/details/0893037893ProgrammingThe65816/page/n550
Labiak page on XBA: https://archive.org/details/Programming_the_65816/page/n214

Retrieved from "https://sneslab.net/mw/index.php?title=XBA&oldid=4262"