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TSC: Difference between revisions
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!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Speed''' | |'''Speed''' | ||
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| | |[[Implied]] (type 1) | ||
|3B | |3B | ||
|1 | |1 byte | ||
|2 cycles | |2 cycles | ||
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!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
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|[[Negative Flag|N]] | |||
|[[Overflow Flag|V]] | |||
|[[M Flag|M]] | |||
|[[X Flag|X]] | |||
|[[Decimal Flag|D]] | |||
|[[I Flag|I]] | |||
|[[Zero Flag|Z]] | |||
|[[Carry Flag|C]] | |||
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|N | |N | ||
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'''TSC''' (Transfer Stack to Accumulator) is a [[65c816]] instruction that transfers the value of the [[stack pointer]] to the 16-bit [[accumulator]]. An alternate mnemonic is "TSA." | |||
==== Syntax ==== | |||
<pre> | |||
TSC | |||
TSA | |||
</pre> | |||
TSC works even in [[emulation mode]]. | |||
=== See Also === | |||
* [[TSX]] | |||
* [[TCS]] | |||
* [[TDC]] | |||
* [[PEA]] | |||
* [[XBA]] | |||
=== External Links === | |||
* [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/515 page 515] on TSC | |||
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n206 page 196] on TSC | |||
* snes9x implementation of TSC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2345 | |||
* https://wilsonminesco.com/816myths/65c816_myths-2_BDD.pdf | |||
* Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.10.2 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | |||
[[Category:Transfer Instructions]] | |||
[[Category:One-byte Instructions]] | |||
[[Category:Implied Instructions]] | |||
[[Category:Two-cycle Instructions]] | |||
Latest revision as of 21:49, 6 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 1) | 3B | 1 byte | 2 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C |
| N | . | . | . | . | . | Z | . |
TSC (Transfer Stack to Accumulator) is a 65c816 instruction that transfers the value of the stack pointer to the 16-bit accumulator. An alternate mnemonic is "TSA."
Syntax
TSC TSA
TSC works even in emulation mode.
See Also
External Links
- Eyes & Lichty, page 515 on TSC
- Labiak, page 196 on TSC
- snes9x implementation of TSC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2345
- https://wilsonminesco.com/816myths/65c816_myths-2_BDD.pdf
- Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.10.2