16-bit Hex is converted to BCD and 16-bit BCD is converted to equivalent Hex value using Assembly programming.
BCD to Hex Conversion
Aim:
To perform BCD to Hex number conversion using Assembly language for 8086 microprocessor.
Software Used:
MASM
Program Code:
CODE SEGMENT
MOV BX, DX
AND BX, 0F000H
MOV CL, 0CH
SHR BX, CL
MOV BH, DH
AND BH, 0FH
MOV SI, BX
MOV BX, DX
AND BX, 00F0H
MOV CL, 04H
SHR BX, CL
MOV BH, DL
AND BH, 0FH
MOV DI, BX
MOV BX, SI
MOV AX, 03E8H
AND BX, 000FH
MUL BX
MOV DX, AX
MOV BX, SI
MOV AL, 64H
MUL BH
ADD DX, AX
MOV BX, DI
MOV AL, 0AH
MUL BL
ADD DX, AX
MOV CL, 08H
SHR BX, CL
ADD DX, BX
HLT
CODE ENDS
END
Sample Input and Output:
Input BCD Value: 4522h
Output Hex Value: 11AAh
Result:
BCD to Hex conversion is performed.
Hex to BCD Conversion
Aim:
To perform Hex to BCD number conversion using Assembly language for 8086 microprocessor.
To perform Hex to BCD number conversion using Assembly language for 8086 microprocessor.
Software Used:
MASM
Program Code:
CODE SEGMENT
MOV AX, DX
CWD
MOV DI, 03E8H
DIV DI
MOV BX, AX
MOV AX, DX
CWD
MOV DI, 0064H
DIV DI
MOV SI, AX
MOV AX, DX
CWD
MOV DI, 000AH
DIV DI
MOV CL, 04H
SHL AX, CL
OR DX, AX
MOV CL, 04H
SHL BX, CL
OR BX, SI
MOV DH, BL
HLT
CODE ENDS
END
Sample Input and Output:
Input Hex Value: 11AAh
Output BCD Value: 4522h
Result:
Hex to BCD conversion is performed.
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