Considering Dot matrix display write an assembly language code such that, first when user presses numeric key 1 on the keyboard; at output "A" display in a loop for 4 times and when user presses numeric key 2 on the keyboard; at output "B" should display in a loop for 3 times. Repeat the sequence continuously.

NO JAVA C/C++ OR PYTHON CODE

ANSWER IN MICROPROCESSOR ASSEMBLY LANGUAGE ONLY OR ILL DOWNVOTE

EXAMPLE OF HOW I WANT THE CODE:

CODE SEGMENT

ASSUME CS:CODE,DS:CODE,ES:CODE,SS:CODE

IRWR EQU 00H

IRRD EQU 02H

DTWR EQU 04H

KEY EQU 01H

ORG 1000H

START:

CALL TIMER ; Timer to hold and release

CALL INITLCD ; LCD screen call

BACK:

CALL SCAN ; scan initialized

CMP AL,01H