Question

write an 8051 assembly program to find the inverse of matrix (3x3) and save the inverse matrix in 430h ORG 400H MATRIXA1: DB 4,6,9,1,9,3,0,2,.5

Answer 1

//ASSEMBLY PROGRAM TO FIND INVERSE OF MATRIX.

ORG 400H

MOV R0, #50H

MOV R1,#70H

MOV R3,#3H

LOOP:MOV R4,#4H

MOV A1,@R0

MOV@R1,A1

LOOP1:INC R0

DJNZ R4,LOOP1

INC R1

DJNZ R3,LOOP

MOV R3,#3H

MOV A1,R0

CLR C

SUB A1,#4H

CLR C

SUB A1,#07H

MOV R0,A1

HERE:SJMP HERE

END

//OUTPUT

//INPUT

ADDRESS

I:OX50: 04 06 09 01 09 03 00 02 05 00 00 00 00 00 00 00 00

I:0X67: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

I:0X7E: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

//OUTPUT

ADDRESS

I:0X50: 04 01 00 06 09 02 09 03 05 00 00 00 00 00 00 00 00

I:0X67: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

I:0X7E: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00