Computer science.

Microcomputer assembly language $($ASCII data$)$

Code Templet:

section $.$bss

input resb $25$ ; reserve $25$ bytes for input

sum resb $2$

section $.$data

len$0$ dd $0$

msg db "Hello $",$

len equ $ $-$ msg

msg$2$ db $"!$ How are you?", $0$xA

len$2$ equ $ $-$ msg$2$

msg$3$ db "Your name has $",$

len$3$ equ $ $-$ msg$3$

msg$4$ db $"$ characters in it$.",0$xA

len$4$ equ $ $-$ msg$4$

section $.$text

global $\_$start

$\_$start:

mov ecx, msg

mov edx, len

call print

; Read from input

mov eax, $3$

mov ebx, $0$

mov ecx, input

mov edx, $25$

int $0$x$80$

mov $[$len$0],$ eax

mov dx$,0$

mov bx$,10$ ; divide by $10$ for tens column value

div bx ; ax $=$ ax $/$ bx

add ax$,\text{'}0\text{'}$ ; convert digit to ASCII

mov $[$sum$],$ byte ax ; move quotient into place

add dx$,\text{'}0\text{'}$ ; convert digit to ASCII

mov $[$sum$+1],$ byte dx ; move remainder into place

mov ecx, input

mov edx, $[$len$0]$

call print

mov ecx, msg$2$

mov edx, len$2$

call print

mov ecx, msg$3$

mov edx, len$3$

call print

mov ecx, sum

mov edx, $2$

call print

mov ecx, msg$4$

mov edx, len$4$

call print

call exit

print:

mov eax, $4$ ;sys$\_$write

mov ebx, $1$ ;stdout

int $0$x$80$ ;System call

ret ;Return to caller

exit:

mov eax, $1$ ;Sys$\_$exit

mov ebx, $0$ ;Stdin

int $0$x$80$ ;System call