title: Near jump or call to different CS
body: <p>sorry , I'm a beginner to assembly , so I got an error when i try to jump in TASM , I wanted to set color of these pixels to blue , but i got these errors , please help me
  so this is my code:</p>
  
  <pre><code>data_here segment
      px dw 0
      py dw 0
  ends
  
  stack segment
      dw   128  dup(0)
  ends
  
  code segment
  
  start:
  ; set segment registers:
      ;mov ax, data_here
      ;mov ds, ax
      ;mov es, ax
  
      assume ds:data_here   
  ;80x*60y 640*480
  mov ax,012h
  int 10h
  
  ppos1:
  mov al, 1
  mov cx, px
  mov dx, py
  mov ah, 0ch
  int 10h
  inc px
  cmp px,59
  jne ppos1
  inc py    
  cmp py,5
  jne ppos1    
  
  mov ah,7
  int 21h
  
  int 20h
  
  
  ends
  
  end start 
  </code></pre>
  
  <p>and this is TASM result:</p>
  
  <pre><code>-------------
  12/20/2017 12:27:35 AM :     Assembling file - C:\cxcc.asm
  12/20/2017 12:27:37 AM :     Turbo Assembler  Version 4.1  Copyright (c) 1988, 1996 Borland International
  12/20/2017 12:27:37 AM :     
  12/20/2017 12:27:37 AM :     Assembling file:   cxcc.asm
  12/20/2017 12:27:37 AM :     *Warning* cxcc.asm(7) Reserved word used as symbol: STACK
  12/20/2017 12:27:37 AM :     **Error** cxcc.asm(32) Near jump or call to different CS
  12/20/2017 12:27:37 AM :     **Error** cxcc.asm(35) Near jump or call to different CS
  12/20/2017 12:27:37 AM :     Error messages:    2
  12/20/2017 12:27:37 AM :     Warning messages:  1
  12/20/2017 12:27:37 AM :     Passes:            1
  12/20/2017 12:27:37 AM :     Remaining memory:  468k
  12/20/2017 12:27:37 AM :     
  </code></pre>
  
  <p>thanks for help.thanks for help.</p>