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TYX
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 1) | BB | 1 byte | 2 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C |
| N | . | . | . | . | . | Z | . |
TYX is a 65c816 instruction that transfers the value of the Y index register to the X index register. The x flag determines whether 8 or 16 bits are transferred.
The negative flag will then match the most significant bit of the transferred value. The zero flag will indicate whether the transferred value is zero (set if zero).
Syntax
TYX
TYX works even in emulation mode where one byte is always transferred.
See Also
External Links
- Eyes & Lichty, page 521 on TYX
- Labiak, page 202 on TYX
- snes9x implementation of TYX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2486