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POP (SPC700)

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Basic Info
Addressing Mode Opcode Length Speed
Accumulator AE 1 byte 4 cycles
Stack - X CE 1 byte 4 cycles
Stack - Y EE 1 byte 4 cycles
Stack - PSW 8E 1 byte 4 cycles
Flags Affected
Operand is the PSW? N V P B H I Z C
yes N V P B H I Z C
no . . . . . . . .

POP is an SPC700 command that pops a byte from the stack, pulling it into a register. The target register can be:

The stack pointer is incremented by one before the value is pulled.

When the program status word is the operand, all the flags are naturally affected as that is the register they live in. Otherwise, no flags are affected.

Syntax

POP A
POP X
POP Y
POP PSW

See Also

References