Question

Convert from dec to hex and binary by assembly language

Asked by: albusaidi

Hi experts,
I dont know whats the error in this code,please help me to convert the numbers

data segment
count DW  8
BIN   DW  8  dup(0)
HEX   DB  '0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F$'
msg0  DB  'Enter number $'
msg1  DB  'Decima1 is $'
msg2  DB  'Hexadecimal is $'
msg3  DB  'Sorry,Wrong number!$'
     
data ends

working_storage  segment    stack
                 dw         100h    dup(?)
             working_storage  ends
             


code           segment
               assume cs:code,ds:data,ss:working_storage
               extrn putdec:proc,putcrlf:proc,getdec:proc,getchar:proc,putchar:proc

start:
      mov ax,data
      mov ds,ax
     

go:   mov Dx,offset msg0
      mov ah,9h
      int 21h
      call putcrlf
      call getdec  
      cmp  ax,255
      jae  finish
      mov bx,ax

      mov cx,2
      mov dx,offset msg1
      mov ah,9h
      int 21h

      mov count,8
      mov si,0
     
repeat:
      mov ax,bx
      mov dx,0
      div cx
      cmp ax,0
      jz done
      mov BIN[si],dx
      inc si
      inc si
      dec count
      jnz repeat
 done: mov si,14
       mov BIN[si],dx
   do: mov ax,BIN[si]
       call putdec
       dec si
       dec si
       jnz do  
           


next: mov ax,bx
      mov cx,16
      mov si,16
again:div cx
      mov HEX[si],dx
      cmp ax,0
      jnz again
      dec si
      jnz again

  yes:call putcrlf
      mov dx,offset msg2
      mov ah,9h
      INT 21h
      mov ax,HEX[si]
      call putdec
      call putcrlf
     jmp  go


 






finish:mov dx,offset msg3
      mov ah,9h
      INT 21h
     
      mov ax,4c00h
      int 21h


     
code ends
end start

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Asked On
2008-05-06 at 09:53:59ID23380113
Tags

hex

,

assembly

,

binary

,

convert

,

language

Topic

Assembly Programming Language

Participating Experts
1
Points
20
Comments
8

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Answers

 

by: Infinity08Posted on 2008-05-07 at 01:27:32ID: 21514177

>> I dont know whats the error in this code,

What is the problem ? What behavior do you see that is not correct ? Anything you can tell us, can help us find the problem :)

 

by: albusaidiPosted on 2008-05-07 at 06:06:11ID: 21515937

Thank you very much for your reply expert for your reply,but I have alreday know my error,
But can I ask you another question,
Can you give me a short and simple code for bubble sort in assembly programming.

Thankyou.

 

by: albusaidiPosted on 2008-05-07 at 06:31:17ID: 21516166

Thank you very much for your reply expert for your reply,but I have alreday know my error,
But can I ask you another question,
Can you give me a short and simple code for bubble sort in assembly programming.

Thankyou.

 

by: Infinity08Posted on 2008-05-07 at 06:56:15ID: 21516387

Here's pseudocode for the bubble sort algorithm :

        http://en.wikipedia.org/wiki/Bubble_sort#Pseudocode_implementation

It shouldn't be too difficult to convert it to assembler.

 

by: Infinity08Posted on 2008-07-08 at 01:12:29ID: 21951813

May I ask for the reason you want to delete this question ? If you need further assistance, then feel free to ask.

 

by: Infinity08Posted on 2008-07-09 at 00:26:38ID: 21961259

I already did ask for the reason for deleting this question ;) Here : http:#21951813

20120131-EE-VQP-002

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