Datasheet

XC167CI-16F

Derivatives

Functional Description

Data Sheet 53 V1.3, 2006-08

3.19 Instruction Set Summary

Table 8 lists the instructions of the XC167 in a condensed way.

The various addressing modes that can be used with a specific instruction, the operation

of the instructions, parameters for conditional execution of instructions, and the opcodes

for each instruction can be found in the “Instruction Set Manual”.

This document also provides a detailed description of each instruction.

Table 8 Instruction Set Summary

Mnemonic Description Bytes

ADD(B) Add word (byte) operands 2 / 4

ADDC(B) Add word (byte) operands with Carry 2 / 4

SUB(B) Subtract word (byte) operands 2 / 4

SUBC(B) Subtract word (byte) operands with Carry 2 / 4

MUL(U) (Un)Signed multiply direct GPR by direct GPR

(16- × 16-bit)

DIV(U) (Un)Signed divide register MDL by direct GPR (16-/16-bit) 2

DIVL(U) (Un)Signed long divide reg. MD by direct GPR (32-/16-bit) 2

CPL(B) Complement direct word (byte) GPR 2

NEG(B) Negate direct word (byte) GPR 2

AND(B) Bitwise AND, (word/byte operands) 2 / 4

OR(B) Bitwise OR, (word/byte operands) 2 / 4

XOR(B) Bitwise exclusive OR, (word/byte operands) 2 / 4

BCLR/BSET Clear/Set direct bit 2

BMOV(N) Move (negated) direct bit to direct bit 4

BAND/BOR/BXOR AND/OR/XOR direct bit with direct bit 4

BCMP Compare direct bit to direct bit 4

BFLDH/BFLDL Bitwise modify masked high/low byte of bit-addressable

direct word memory with immediate data

CMP(B) Compare word (byte) operands 2 / 4

CMPD1/2 Compare word data to GPR and decrement GPR by 1/2 2 / 4

CMPI1/2 Compare word data to GPR and increment GPR by 1/2 2 / 4

PRIOR Determine number of shift cycles to normalize direct

word GPR and store result in direct word GPR

SHL/SHR Shift left/right direct word GPR 2