XBA: Difference between revisions

Revision as of 22:37, 30 April 2023

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

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 '''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.
+{| class="wikitable" style="float:right;clear:right;width:30%"
+!colspan="8"|Basic Info
+|+
+|'''Addressing Mode'''
+|'''Opcode'''
+|'''Length'''
+|'''Speed'''
+|+
+|implied
+|EB
+|1 byte
+|3 cycles
+|}
 {| class="wikitable" style="float:right;clear:right;width:30%"