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TDC: Difference between revisions
From SnesLab
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* [[Eyes & Lichty]] page on TDC: https://archive.org/details/0893037893ProgrammingThe65816/page/n538 | * [[Eyes & Lichty]] page on TDC: https://archive.org/details/0893037893ProgrammingThe65816/page/n538 | ||
* [[Labiak]] page on TDC: https://archive.org/details/Programming_the_65816/page/n203 | * [[Labiak]] page on TDC: https://archive.org/details/Programming_the_65816/page/n203 | ||
* snes9x implementation of TDC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1921 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
Revision as of 20:03, 17 May 2023
TDC (Transfer Direct page register to aCcumulator) is a 65c816 instruction that transfers the value of the direct page register to the 16-bit accumulator.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| implied | 7B | 1 byte | 2 cycles | ||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C |
| . | . | . | . | . | . | ||
External Links
- Eyes & Lichty page on TDC: https://archive.org/details/0893037893ProgrammingThe65816/page/n538
- Labiak page on TDC: https://archive.org/details/Programming_the_65816/page/n203
- snes9x implementation of TDC: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1921