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TCS: 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) | ||
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!colspan="9"|Flags | !colspan="9"|Flags Affected | ||
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|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|M | |[[M Flag|M]] | ||
|X | |[[X Flag|X]] | ||
|D | |[[Decimal Flag|D]] | ||
|I | |[[I Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
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'''TCS''' (Transfer Accumulator to Stack Pointer) is a [[65c816]] instruction that transfers the value of the [[accumulator]] to the [[stack pointer]]. An alternative mmenonic for this instruction is "TAS." TCS always transfers 16 bits in [[native mode]] and 8 bits in emulation mode. | |||
No flags are affected. | |||
==== Syntax ==== | |||
<pre> | |||
TCS | |||
TAS | |||
</pre> | |||
=== See Also === | === See Also === | ||
* [[TXS]] | * [[TXS]] | ||
* [[TSC]] | |||
* [[TCD]] | |||
* [[TAX]] | |||
* [[TAY]] | |||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on TCS | * [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/511 page 511] on TCS | ||
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n202 page 192] on TCS | |||
* snes9x implementation of TCS: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2328 | |||
* Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.10.2 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
[[Category:Transfer Instructions]] | |||
[[Category:One-byte Instructions]] | |||
[[Category:Implied Instructions]] | |||
[[Category:Two-cycle Instructions]] | |||
Latest revision as of 12:04, 6 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 1) | 1B | 1 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
TCS (Transfer Accumulator to Stack Pointer) is a 65c816 instruction that transfers the value of the accumulator to the stack pointer. An alternative mmenonic for this instruction is "TAS." TCS always transfers 16 bits in native mode and 8 bits in emulation mode.
No flags are affected.
Syntax
TCS TAS
See Also
External Links
- Eyes & Lichty, page 511 on TCS
- Labiak, page 192 on TCS
- snes9x implementation of TCS: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2328
- Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.10.2