;Assembler header file for ScreenBlanker
;written by DefMod (Mar  9 1999) on Thu Apr  8 03:54:06 1999
;Jonathan Coxhead, jonathan@doves.demon.co.uk, 12 May 1995

        [       :LNOT: :DEF: Get_Types
        GBLS    Get_Types
        ]
        [       :LNOT: :DEF: Types_Hdr
Get_Types                       SETS    "GET OS:Hdr.Types"
        |
Get_Types                       SETS    ""
        ]
        $Get_Types

        [       :LNOT: :DEF: Get_OS
        GBLS    Get_OS
        ]
        [       :LNOT: :DEF: OS_Hdr
Get_OS                          SETS    "GET OS:Hdr.OS"
        |
Get_OS                          SETS    ""
        ]
        $Get_OS

        [       :LNOT: :DEF: ScreenBlanker_Hdr
        GBLS    ScreenBlanker_Hdr

;Symbols for SWIs and SWI reason codes
XScreenBlanker_Control          *       &63100
ScreenBlanker_Control           *       &43100

Service_ScreenBlanked           *       &7A
   ;Entry
   ;  R1 = &7A

Service_ScreenRestored          *       &7B
   ;Entry
   ;  R0 = x (Int)
   ;  R1 = &7B

        ]

        END
