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TAY: Difference between revisions

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=== External Links ===
=== External Links ===
* [[Eyes & Lichty]] page 509, on TAY: https://archive.org/details/0893037893ProgrammingThe65816/page/509
* [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/509 page 509] on TAY
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n200 page 190] on TAY
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n200 page 190] on TAY
* [[MCS6500 Manual]] page 101 on TAY: https://archive.org/details/mos_microcomputers_programming_manual/page/n119
* 7.13 on [[MCS6500 Manual]], [https://archive.org/details/mos_microcomputers_programming_manual/page/n119 page 101] on TAY
* [[Leventhal]] page 3-100 on TAY: https://archive.org/details/6502-assembly-language-programming/page/n149
* [[Leventhal]], [https://archive.org/details/6502-assembly-language-programming/page/n149 page 3-100] on TAY
* snes9x implementation of TAY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2289
* snes9x implementation of TAY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2289



Latest revision as of 22:50, 7 August 2024

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) A8 1 byte 2 cycles
Flags Affected
N V M X D I Z C
N . . . . . Z .

TAY is a 65x instruction that transfers the value of the accumulator to the Y index register.

Instruction Behavior
8-bit accumulator (m=1) 16-bit accumulator (m=0)
8-bit index registers (x=1) 8 bits are transferred 8 bits are transferred (low byte of accumulator)
16-bit index registers (x=0) 16 bits are transferred 16 bits are transferred

Syntax

TAY

See Also

External Links