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: Difference between revisions
From SnesLab
(created page) |
(added basic info) |
||
| Line 1: | Line 1: | ||
'''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. | '''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%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
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 |