Zilog Z16F2810 Manual do Utilizador descarregar pdf (Página 124)

INC Instruction UM018809-0611

108

ZNEO

CPU Core

User Manual

INC

Definition

Increment

Syntax

INC dst

Operation

dst  dst

+ 1

Description

The contents of the destination operand are incremented by one.

Flags

Flags are set based on the memory destination size, or 32 bits for register destinations.

Syntax and Opcodes

76543210

C Z S V B CIRQE IRQE

*****–––

Legend

C = Set to 1 if the result generated a carry; otherwise set to 0.

Z = Set to 1 if the result is zero; otherwise, set to 0.

S = Set to 1 if the result msb is 1; otherwise set to 0.

V = Set to 1 if an arithmetic overflow occurs; otherwise set to 0.

B = Set to 1 if the initial destination value was 0; otherwise set to 0.

CIRQE = No change.

IRQE = No change.

Instruction, Operands Word 0 Word 1 Word 2

INC Rd {8H, Rd, 01H}

INC addr16 {ADAH, 1x10B} addr16

INC addr32 {ADBH, 1x10B} addr[31:16] addr[15:0]

INC (Rd) {ACH, 1x10B, Rd}

Note:

1 2 ... 119 120 121 122 123 124 125 126 127 128 129 ... 215 216

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Zilog Z16F2810 Manual do Utilizador Página 124