bcd_3.txt

This are the Laboratory programs for the 89c51

;3-DIGIT BCD TO HEX
ORG 0000H
MOV R0,#99H
MOV R1,#09H
MOV A ,R0
ANL A,#0FH
MOV R2,A
MOV A,R0
SWAP A
ANL A,#0FH
MOV B,#0AH
MUL AB
MOV R3,A
MOV A,R1
MOV B,#64H
MUL AB
ADD A, R3
JNC XXX
INC R4
XXX:
ADD A, R2
JNC YYY
INC R4
YYY:
MOV 31H, A
MOV A,R4
ADD A,B
MOV 30H,A
END