Specifications

mikroElektronika | Free Online Book | PIC Microcontrollers | Chapter 9: Instruction Set
the value 0x00
After instruction: W=0x17
FSR=0xC2, register at address 0xC2 contains
the value 0x17
NOP - No Operation
Syntax: [label] NOP
Description: No operation.
Operation: -
Operand: -
Status affected: -
Number of cycles: 1
EXAMPLE :
....
[label] NOP ; 1us delay (oscillator 4MHz)
Before instruction execution: PC = x
After instruction: PC = x + 1
RETFIE - Return from Interrupt
Syntax: [labels] RETFIE
Description: Return from subroutine. The value is popped from the stack and loaded to the
program counter. Interrupts are enabled by setting the bit GIE of the INTCON register.
Operation: TOS -> PC, 1 -> GIE
Operand: -
Status affected: -
Number of cycles: 2
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