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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/n535
* [[Eyes & Lichty]] page 509, on TAY: https://archive.org/details/0893037893ProgrammingThe65816/page/509
* [[Labiak]] page 190 on TAY: https://archive.org/details/Programming_the_65816/page/n200
* [[Labiak]] page 190 on TAY: https://archive.org/details/Programming_the_65816/page/n200
* [[MCS6500 Manual]] page 101 on TAY: https://archive.org/details/mos_microcomputers_programming_manual/page/n119
* [[MCS6500 Manual]] page 101 on TAY: https://archive.org/details/mos_microcomputers_programming_manual/page/n119

Revision as of 11:49, 15 July 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
. . . . . .

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