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PLY: Difference between revisions

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=== External Links ===
=== External Links ===
* [[Eyes & Lichty]] page 488, on PLY: https://archive.org/details/0893037893ProgrammingThe65816/page/488
* [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/488 page 488] on PLY
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n182 page 172] on PLY
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n182 page 172] on PLY
* snes9x implementation of PLY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1921  
* snes9x implementation of PLY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1921  

Revision as of 15:01, 6 August 2024

Basic Info
Addressing Mode Opcode Length Speed
Stack (Pull) 7A 1 byte 4 cycles*
Flags Affected
N V M X D I Z C
N . . . . . Z .

PLY (PulL Y) is a 65x instruction that pulls the value at the top of the stack into the Y index register. PLY increments the stack pointer before the pull.

Syntax

PLY
Cycle Penalty
  • PLY takes one additional cycle if the index registers are 16 bits wide.

See Also

External Links