8-bit HEX to ASCII Convertor

Name: DNA Technology
Address: FH11-12, Thakker Bazar, NEW CBS, Nashik, Maharashtra, 422002, India
Telephone: 8412906903
Price range: Rs1 - Rs10000

This subroutine converts 8 bit Hexadecimal number into its equivalent ASCII value. The number to be converted should be in the Accumulator. The output ASCII number is stored in R0, R1 and R2. R0 contains the MSB i.e. the Hundreds place, R1 contains the Tens Place and R2 contains the LSB i.e. the Units Place.

The ASCII code for numbers 0-9 is 48-57 i.e. 30h – 39h

*hextoascii:*
*mov r0,#30h* *mov r1,#30h* *mov r2,#30h*
*cjne a,#00h,c1_hextobcd*	//check if number is 0 if not then continue
*ret*

*c1_hextobcd:*
*clr c*
*mov b,#100*	//divide by 100
*div ab*
*orl a,r0*
*mov r0,a*	//save 100^th place in R0
*clr c*
*mov a,b*
*mov b,#10*	//Divide by 10
*div ab* *orl a,r1*
*mov r1,a*	//Save 10^th place in R1
*mov a,b*
*orl a,r2*
*mov r2,a*	//Save units place in R2
*ret*

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