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TXY: Difference between revisions
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'''TXY''' is a [[65c816]] instruction that transfers the value of the [[X index register]] to the [[Y index register]]. | '''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 ==== | ==== Syntax ==== | ||
Revision as of 23:12, 21 July 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 |
| . | . | . | . | . | . | ||
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
See Also
External Links
- Eyes & Lichty page 519, on TXY: https://archive.org/details/0893037893ProgrammingThe65816/page/519
- Labiak page 200 on TXY: https://archive.org/details/Programming_the_65816/page/n210
- snes9x implementation of TXY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2424