IP2022 User’s Manual—Instruction Set Architecture www.ubicom.com 191 POP fr Move Top of Stack into fr Operation: SP = SP + 1;
fr = (SP) Bits affected: None Opcode: 0100 011f ffff ffff Description: This instruction increments the SPH/SPL register,
then   copies   the   register   addressed   by   the
SPH/SPL register to the specified data memory
location.    This    stack    is    independent    of    the
hardware  stack  used  for  subroutine  calls  and
returns. Cycles: 1 Example: pop    0x1F0 ;pop stack to 0x1F0 The pop instruction in this example pops a byte
off the stack and loads it into the data memory
location at address 0x1F0.