org 100h
use16

mov ax, 65535
call ConvertHexToString
mov si, bx
call print
mov ah, 0x0
int 0x16
ret




print:
lodsb
cmp al, 0
je endP
mov ah, 0xe
int 10h
jmp print
endP:
ret


WordBuffer: times 7 db 0
base dw 0x0010

ConvertHexToString:
        mov cx, 0     ;bug fix, cx equalled a big number threw address calculation off
        mov bx, WordBuffer+6 ;;address to end
        mov [bx], BYTE 0 ;null last letter
loopCHTS:

        cmp ax, 0
        je doneCHTS

        xor dx,dx
        div WORD [base]

        dec bx ;move down buffer


        mov [bx], BYTE dl
        cmp dl, 10 ;equal or above ten is a letter

        jge ProcessToLetter

        add [bx], BYTE '0' ;its number 0x30 + our number, say 0, is 0x30 plus 0, which is 0x30 or 0 in decimal
        jmp loopCHTS

        ProcessToLetter:
        sub [bx], BYTE  10
        add [bx], BYTE 'A'
        jmp loopCHTS

 doneCHTS:
        sub bx, 0x2
        mov [bx], WORD '0x'
        ;bx contains beginning of string
        ret