home *** CD-ROM | disk | FTP | other *** search
/ Archive Magazine CD 1995 / Archive Magazine CD 1995.iso / discs / shareware / share_41 / assembler / examples / subtract < prev    next >
Encoding:
Text File  |  1991-05-14  |  315 b   |  29 lines
  1. ; NAME       subtract
  2. ; PURPOSE    subtracts two integers
  3. ; DESIGN    
  4. ;            copy number1, number2, number3 to r6, r7, r8
  5. ;            subtract
  6. ;            store result in number3
  7.  
  8.  
  9.  
  10.                                            
  11. ldr r6, [r1]
  12. ldr r7, [r2]
  13. ldr r8, [r3]
  14. sub r8, r7, r6
  15. str r8, [r3]
  16.  
  17.  
  18.  
  19.  
  20.  
  21.  
  22.  
  23.  
  24.  
  25.  
  26.  
  27.  
  28.  
  29.