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Text File  |  1985-01-17  |  366 b   |  23 lines
  1. ;    _peek.a - read byte from memory.
  2. ;    (C) Copyright 1985 Gregory R. Mansfield - All Rights Reserved.
  3. ;    G. R. Mansfield.  85/01/16.
  4. ;    Ver 1.0-5116.
  5.  
  6.  
  7.     cseg
  8.     public    _peek_
  9.  
  10.  
  11. ;    BYTE _peek(offset, segment)
  12. ;    BYTE *offset;
  13. ;    SEGBASE segment;
  14.  
  15. _peek_:    mov    bx,sp
  16.     mov    si,[bx+2]    ; offset
  17.     mov    ax,[bx+4]    ; segment
  18.     push    ds
  19.     mov    ds,ax
  20.     lodsb
  21.     pop    ds
  22.     ret
  23.