;
;	Set-up the overlay
;
MESS "Current overlay is: "*"_OVER"*"!" ; Note state at start
MESS "Overlay being loaded!"            ; Indicate action
OVERLAY "Overlay.exe"                   ; Load our overlay
IF FAILED				; Stop here if can't load overlay
   MESS "Overlay failed"
   EXIT
   ENDIF
MESS "!Current overlay is:"*"_OVER"*"!" ; Note state here
;
;	Invoke the overlay to find the segment addr (for the curious)
;
SCALL 3,N0				; Rtn one parameter
STRFMT S0 "Loaded at segment: %x!" N0   ; Format rtn value
MESS S0 				; .. and display
;
;	Invoke the overlay to display a string
;
S0 = "This text written through BIOS video interrupt!"
SCALL 0,S0				; Pass one parameter
;
;	Clear the overlay, and we're done
;
MESS "!Overlay being terminated!"        ; Indicate action
OVERLAY CLEAR
MESS "Current overlay is:"*"_OVER"*"!" ; Note state after clear