; Write a program to ask a user to input a number between 0-9 and then print that number back
;---------------------------------------------------------------------------------------------------
; After accepting the input, it should be returned by printing the following string
; "The number you input is: " followed with the number input
; The second output including the number should all be on the same line printed with one interrupt
; --------------------------------------------------------------------------------------------------

message1: db "Pretty please input a number between 0-9"
message2: db "The number you input is definitely: "
char: db 0x00
start:
; calculate the length of the first string and put it into CX
mov CX, offset message2
sub CX, offset message1
; Print out the first message
mov AH, 0x13
mov BX, 0
mov ES, BX
mov BP, offset message1
int 0x10
; Accept user input of char and store into AL
mov AH, 1
int 0x21
; Move user input from AL into memory at offset of char
mov byte [offset char], AL
; Calculate the length of the second string plus the input char
mov CX, offset char
sub CX, offset message2
add CX, 1
; Print out the second message including the input char
mov AH, 0x13
mov BX, 0
mov ES, BX
mov BP, offset message2
int 0x10