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TXY: Difference between revisions

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TXY works even in [[emulation mode]].
TXY works even in [[emulation mode]] where one byte is always transfered.


=== See Also ===
=== See Also ===
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=== External Links ===
=== External Links ===
* [[Eyes & Lichty]] page 519, on TXY: https://archive.org/details/0893037893ProgrammingThe65816/page/519
* [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/519 page 519] on TXY
* [[Labiak]] page 200 on TXY: https://archive.org/details/Programming_the_65816/page/n210
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n210 page 200] on TXY
* snes9x implementation of TXY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2424
* snes9x implementation of TXY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2424



Latest revision as of 15:32, 10 August 2024

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) 9B 1 byte 2 cycles
Flags Affected
N V M X D I Z C
N . . . . . Z .

TXY is a 65c816 instruction that transfers the value of the X index register to the Y index register. TXY always transfers one or two bytes depending on how wide the index registers are. They are both always the same size.

Syntax

TXY

TXY works even in emulation mode where one byte is always transfered.

See Also

External Links