home *** CD-ROM | disk | FTP | other *** search
/ Microsoft Programmer's Library 1.3 / Microsoft-Programers-Library-v1.3.iso / sampcode / alde_c / misc / zed / v_sync.c < prev   
Encoding:
Text File  |  1985-06-03  |  384 b   |  12 lines
  1. v_sync()/*** wait till vertical blanking (CG card) ***/ 
  2. {
  3. #asm
  4.      push dx
  5.      mov dx,3DAh
  6. try: in al,dx    ; video status
  7.      test al,8   ; blanking?
  8.      jz try      ; not set yeti
  9.      pop dx
  10. #
  11. }