A 3-letter opcode for the 6502 processor. This opcode copies the 8-bit value, that is held by the Accumulator, to the Y register. This instruction is the reverse of TYA.

Back to the 6502 opcodes metanode

A 6502 instruction that copies register A into register Y.
  • Function: A => Y
  • Updates flags: S . . . . . Z .
  • Opcode number: $A8 (2 cycles)

Similar: TYA | TAX
See also: 6502 instructions | 6502 addressing modes

Log in or register to write something here or to contact authors.