ADAM27P16 datasheet(26/39 Pages) ABOV

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ADAM27PXX

3. Instruction

(10) LMIIY i

Naming :

Load Memory from Immediate and Increment Y-Register

Status :

Set

Format :

Ⅲ

Operand :

Constant 0 ≤ i ≤ 15

Function :

M(X,Y) ← i, Y ← Y + 1

Data of four bits from operand of instruction is stored into the

RAM location addressed by the X-register and Y-register.

Then data in the Y-register is incremented by one.

(11) LXI n

Naming :

Load X-Register from Immediate

Status :

Set

Format :

Ⅱ

Operand :

X file address 0 ≤ n ≤ 3

Function :

X ← n

A constant is loaded in X-register. It is used to set X-register in

an index of desired RAM page. Operand of 1 bit of command

is loaded in X-register.

(12) SEM n

Naming :

Set Memory Bit

Status :

Set

Format :

Ⅱ

Operand :

Bit address 0 ≤ n ≤ 3

Function :

M(X,Y,n) ← 1

Depending on the selection in operand of operand, one of four

bits is set as logic 1 in the RAM memory addressed in

accordance with the data of the X-register and Y-register.

(13) REM n

Naming :

Reset Memory Bit

Status :

Set

Format :

Ⅱ

Operand :

Bit address 0 ≤ n ≤ 3

Function :

M(X,Y,n) ← 0

Depending on the selection in operand of operand, one of four

bits is set as logic 0 in the RAM memory addressed in

accordance with the data of the X-register and Y-register.

ADAM27P16 Datasheet(PDF) 26 Page - ABOV Semiconductor Co., Ltd.

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