ST10F269Z1Q6 datasheet(38/184 Pages) STMICROELECTRONICS

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6 - CENTRAL PROCESSING UNIT (CPU)

ST10F269

38/184

6.2 - Instruction Set Summary

The Table 4 lists the instructions of the ST10F269. The various addressing modes, instruction operation,

parameters for conditional execution of instructions, opcodes and a detailed description of each instruc-

tion can be found in the “ST10 Family Programming Manual”.

Table 4 : 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)

DIVL(U)

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

CPL(B)

Complement direct word (byte) GPR

NEG(B)

Negate direct word (byte) GPR

AND(B)

Bit-wise AND, (word/byte operands)

2 / 4

OR(B)

Bit-wise OR, (word/byte operands)

2 / 4

XOR(B)

Bit-wise XOR, (word/byte operands)

2 / 4

BCLR

Clear direct bit

BSET

Set direct bit

BMOV(N)

Move (negated) direct bit to direct bit

BAND, BOR, BXOR

AND/OR/XOR direct bit with direct bit

BCMP

Compare direct bit to direct bit

BFLDH/L

Bit-wise 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

ROL / ROR

Rotate left/right direct word GPR

ASHR

Arithmetic (sign bit) shift right direct word GPR

MOV(B)

Move word (byte) data

2 / 4

MOVBS

Move byte operand to word operand with sign extension

2 / 4

MOVBZ

Move byte operand to word operand with zero extension

2 / 4

JMPA, JMPI, JMPR

Jump absolute/indirect/relative if condition is met

JMPS

Jump absolute to a code segment

J(N)B

Jump relative if direct bit is (not) set

JBC

Jump relative and clear bit if direct bit is set

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