PM0044 datasheet(75/162 Pages) STMICROELECTRONICS

Nome de Peças	PM0044

Descrição Electrónicos	STM8 CPU programming manual

PDF	162 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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75 / 162 page

PM0044

STM8 instruction set

Doc ID 13590 Rev 3

75/162

Syntax

ADC A, src

e.g. ADC A,#$15

Operation

A <= A+ src + C

Description

The source byte, along with the carry flag, is added to the contents of the

accumulator and the result is stored in the accumulator. This instruction is

useful for addition of operands that are larger than eight.

The source is

a memory or data byte.

Instruction overview:

⇒

(A7.M7 + M7.R7 + R7.A7)

⊕ (A6.M6 + M6.R6 + R6.A6)

Set if the signed operation generates an overflow, cleared otherwise.

⇒

A3.M3 + M3.R3 + R3.A3

Set if a carry occurred from bit 3 of the result, cleared otherwise.

⇒

Set if bit 7 of the result is set (negative value), cleared otherwise.

⇒

R7.R6.R5.R4.R3.R2.R1.R0

Set if the result is zero (0x00), cleared otherwise.

⇒

A7.M7 + M7.R7 + R7.A7

Set if a carry occurred from bit 7 of the result, cleared otherwise.

ADC

Addition with Carry

ADC

mnem

dst

src

Affected condition flags

VI1

ADC

Mem

-H-N

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