ST10F268 datasheet(20/74 Pages) STMICROELECTRONICS

20 / 74 page

ST10F168

20/74

6.1 - Instruction Set Summary

The Table 8 lists the instructions of the ST10F168.

The various addressing modes, instruction opera-

tion, parameters for conditional execution of

instructions, opcodes and a detailed description of

each instruction can be found in the “ST10 Family

Programming Manual”.

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 x 16-bit)

DIV(U)

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

DIVL(U)

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

CPL(B)

Complement direct Word (Byte) GPR

NEG(B)

Negate direct Word (Byte) GPR

AND(B)

Bitwise AND, (Word / Byte operands)

2 / 4

OR(B)

Bitwise OR, (Word / Byte operands)

2 / 4

XOR(B)

Bitwise 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

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

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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