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
(added '816 additions category) |
(added E&L page) |
||
| Line 36: | Line 36: | ||
|. | |. | ||
|} | |} | ||
=== External Links === | |||
* [[Eyes & Lichty]] page on XBA: https://archive.org/details/0893037893ProgrammingThe65816/page/n550 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
Revision as of 23:07, 15 May 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 |
| . | . | . | . | . | . | ||