CALL 0060h:0006h - Eagle MS-DOS v1.25 IO.SYS - WAIT FOR KEYSTROKE               
InstallCheck:	MS-DOS v1.25 must be installed
Notes:	if an extended keystroke is available, only the low byte is returned,
	  and this function must be called again to get the high byte
	the BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. keycode 0000h (Ctrl-Break) is returned as 00h+FFh to avoid
	  the ambiguity that might be caused by returning the 00h high byte
SeeAlso: @0060h:0000h,@0060h:0003h,@0060h:0027h


(Table F0002)
Call Eagle MS-DOS entry point 0006h with:
	nothing
Return: AL = keystroke
	flags modified