*** c0.old	Wed Jun 14 19:39:00 1989
--- c0.asm	Wed Jun 14 19:39:00 1989
***************
*** 299,306 ****
--- 299,312 ----
                  call    _setargv@
                  call    _setenvp@
  
+ IFNDEF CLOCK
+                 mov	ax, 0000h
+                 mov	cx, ax
+                 mov	dx, ax
+ ELSE
                  mov	ah, 0
                  int	1ah			; get current BIOS time in ticks
+ ENDIF
                  mov	word ptr _StartTime@,dx	; save it for clock() fn
                  mov	word ptr _StartTime@+2,cx