SD6830 Просмотр технического описания (PDF) - AUK -> KODENSHI CORP

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производитель

SD6830

4BIT MICROCONTROLLER

AUK -> KODENSHI CORP 

SD6830

LDA n

Binary code : 0111xxxx

Syntax

: [<label>] LDA n

Operation : (A) ← n, n=0~15 ( n must be decimal number. )

Flags

: CY : Unaffected

SF : Unaffected

Words/Cycles : 1/1

Description : Loads an immediate data into the accumulator. Skip this instruction if it

was used just before.

Example

: STA B

LDA 15 ; Load 15 into A.

LDA 4 ; It is skipped because this instruction was used just before

LDA 7 ; It is skipped because this instruction was used just before

JMP 0B0 ; Jump to 0B0

LDA B

Binary code : 00010101

Syntax

: [<label>] LDA B

Operation : (A) ← (B)

Flags

: CY : Unaffected

SF : Unaffected

Words/Cycles : 1/1

Description : Loads the contents of register B into the accumulator.

Example

: LDA B ; Load the contents of B into A

LDA D

Binary code : 00010100

Syntax

: [<label>] LDA D

Operation : (A) ← (D)

Flags

: CY : Unaffected

SF : Unaffected

Words/Cycles : 1/1

Description : Loads the contents of port D into the accumulator.

Example

: LDA D ; Load the contents of D into A

KSI-W002-000

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