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TSX: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] | * [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/516 page 516] on TSX | ||
* [[Labiak]] page 197 on TSX: https://archive.org/details/Programming_the_65816/page/n207 | * [[Labiak]] page 197 on TSX: https://archive.org/details/Programming_the_65816/page/n207 | ||
* [[MCS6500 Manual]] page 122 on TSX: https://archive.org/details/mos_microcomputers_programming_manual/page/n141 | * [[MCS6500 Manual]] page 122 on TSX: https://archive.org/details/mos_microcomputers_programming_manual/page/n141 | ||
Revision as of 21:44, 6 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 1) | BA | 1 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| N | . | . | . | . | . | Z | . | |
TSX (Transfer Stack Pointer to X) is a 65x instruction that transfers the value of the stack pointer to the X index register.
- If X is only 8 bits wide then only the low byte of the stack pointer is transferred.
- Otherwise, all 16 bits are transferred.
Syntax
TSX
See Also
External Links
- Eyes & Lichty, page 516 on TSX
- Labiak page 197 on TSX: https://archive.org/details/Programming_the_65816/page/n207
- MCS6500 Manual page 122 on TSX: https://archive.org/details/mos_microcomputers_programming_manual/page/n141
- https://archive.org/details/mos_microcomputers_programming_manual/page/n230, lbid.
- Carr, page 276 on TSX
- Leventhal page 3-101 on TSX: https://archive.org/details/6502-assembly-language-programming/page/n150
- snes9x implementation of TSX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2353