Swapf pic instruction

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Instruction set simplicity: The instruction set consists of just 35 instructions (as opposed to 111 instructions for 8051). Power-on-reset and brown-out reset. Brown-out-reset means when the power supply goes below a specified voltage (say 4V), it causes PIC to reset; hence malfunction is avoided. SWAPF — Swap nibbles in f, TSTFSZ — Test f, skip if 0, XORWF — Exclusive OR WREG with f, Bit-oriented File Register Operations, BCF — Bit Clear f, BSF — Bit Set f, BTFSC — Bit Test f, Skip if Clear, BTFSS — Bit Test f, Skip if Set, BTG — Bit Toggle f, Control Operations, BC — Branch if Carry, BN — Branch if Negative, The instruction set is the list of all commands that the MCU understands. I'll list them out and briefly describe what they do and what they are used for. There is also a STATUS register in this chip, various bits of it respond to various operations. Consult the datasheet for more information on this. f = name/address of register, b = bit # (0 - 7) PIC Microcontroller. Instruction Set Outline Instruction. set Instruction description Assembler directives. Instruction Set PIC16Cxx @ PIC16Fxx: 14bit word (opcode) Byte-oriented, bit-oriented & literal and control Instruction Set. cont Instruction Descriptions. ADDLW K Add. the literal value K to register WREG and put the result back in the WREG register (W) + k (W) K is an 8-bit value: 0-255 PIC Instruction Set and Some Tips for Programming Dr. Charles J. Kim Howard University. WWW.MWFTR.COM. 2. F877 Instruction Set. a14-Bit Word a. SWAPF & XORLW. 32. XORWF. 33. F877 Instruction - Programming Tips. aTips on Instruction aSkills and Tricks aFrequently Met Situations. a(a) Turn on/off an LED PIC Microcontroller Prof. Yan Luo, UMass Lowell 3 PIC Instructions 35 instructions Each instruction is 1 word long (14 bits) Byte-oriented OPCODE f, F(W) Source f: name of a SFR or a RAM variable Destination F(W): F if the destination is to be the same as the source register W if the destination is to be the working register Bit-oriented OPCODE f, b Bit Orientated Instructions - Microchip PIC microcontroller. Bit Orientated Instructions. Another very interesting set of instructions is the ones that have to do with the bits of a byte. The 16F88 is an 8-bit micro controller. This means that each byte will have 8 bits. Just to remind you that the most left bit is called MSB ( M ost S In a PIC, the program counter is split across two bytes; the least significant bits go in PCL, whilst the most significant bits go to PCLATH. The goto and call instructions write a full byte to PCL and then a few bits to PCLATH. The problem is that they do not write all of the bits of the label. the most significant bits. Show the result of each PIC 16F1829 instruction in the sequences below. Be sure to show not only the state of updated registers, but also the carry (C) and zero (Z) bits. Each sequence is worth 25 points. cblock 0x20, x, endc, movlw 0x05, sublw 0x15, clrf x, comf x, F, xorwf x, F, swapf x, W, btfsc x, 7, bsf x, 0, Expert Answer, 100% (1 rating) PIC Instruction Set: PIC is RISC based architecture supporting only 35 instructions. These instructions can be classified in the following categories: 1. Register File Operations: SWAPF f,d: Swap nibbles in f: 1: 00