SD6830 datasheet(32/34 Pages) AUK

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KSI-W002-000

STA @HL

Binary code

00101001

Syntax

[<label>] STA @HL

Operation

M[(HL)] ← (A)

Flags

CY : Unaffected

SF : Unaffected

Words/Cycles

1/1

Description

Stores the contents of accumulator in memory addressed by registers

H and L.

Example

LDL

; Load 0 to L

SETB

; Set H to one

STA @HL ; Stores the contents of A in M[(10)]

STA @HL+

Binary code

00101000

Syntax

[<label>] STA @HL+

Operation

M[(HL)] ← (A), (L) ← (L) + 1

Flags

CY : Unaffected

SF : Unaffected

Words/Cycles

1/1

Description

Stores the contents of accumulator in memory addressed by registers

H and L. And then the contents of register L are incremented by one.

Example

LDL

; Load 15 to L

SETB

; Set H to one

STA

@HL+

; Stores the contents of A in M[(1F)]. L becomes

JMP

035

; It is skipped because L is “0”

JMP

045

; Jump to 045

STA B

Binary code

00011110

Syntax

[<label>] STA B

Operation

(B) ← (A)

Flags

CY : Unaffected

SF : Unaffected

Words/Cycles

1/1

Description

Stores the contents of accumulator in the register B.

Example

STA

; Stores the contents of A in B

SD6830

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