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XBA: Difference between revisions

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=== 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
. . . . . .

External Links