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|
PAGE ,132 ;AN000;
TITLE DOS GRAPHICS Command - Copy Shared Data
;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
;; DOS - GRAPHICS Command
;; (C) Copyright 1988 Microsoft
;; ;AN000;
;; File Name: GRCPSD.ASM ;AN000;
;; ---------- ;AN000;
;; ;AN000;
;; Description: ;AN000;
;; ------------ ;AN000;
;; This file contains the COPY_SHARED_DATA module. ;AN000;
;; ;AN000;
;; ;AN000;
;; Documentation Reference: ;AN000;
;; ------------------------ ;AN000;
;; PLACID Functional Specifications ;AN000;
;; OASIS High Level Design ;AN000;
;; OASIS GRAPHICS I1 Overview ;AN000;
;; ;AN000;
;; Procedures Contained in This File: ;AN000;
;; ---------------------------------- ;AN000;
;; COPY_SHARED_DATA - Copy the Shared Data Area from temporary ;AN000;
;; build area to resident memory & exit to DOS ;AN000;
;; ;AN000;
;; Include Files Required: ;AN000;
;; ----------------------- ;AN000;
;; None ;AN000;
;; ;AN000;
;; External Procedure References: ;AN000;
;; ------------------------------ ;AN000;
;; None ;AN000;
;; ;AN000;
;; Linkage Instructions: ;AN000;
;; --------------------- ;AN000;
;; Refer to GRAPHICS.ASM ;AN000;
;; ;AN000;
;; Change History: ;AN000;
;; --------------- ;AN000;
;; ;AN000;
;; ;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
;; ;AN000;
;; ;AN000;
CODE SEGMENT PUBLIC 'CODE' ;; ;AN000;
ASSUME CS:CODE,DS:CODE ;; ;AN000;
INCLUDE GRCTRL.EXT ;; Bring in external declarations ;AN000;
INCLUDE GRCTRL.STR ;; for transient command processing ;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
;; ;AN000;
;; Public Symbols ;AN000;
;; ;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
;; ;AN000;
PUBLIC COPY_SHARED_DATA ;; ;AN000;
;; ;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
;; ;AN000;
;; Module Name: ;AN000;
;; COPY_SHARED_DATA ;AN000;
;; ;AN000;
;; Input Parameters: ;AN000;
;; DS : SI - points to the Temporary Shared Data Area ;AN000;
;; ES : DI - destination for resident Shared Data Area ;AN000;
;; BP - offset for new Shared Data Area (same as DI) ;AN000;
;; AH - Function code for exiting to DOS: ;AN000;
;; 31H : Terminate & Stay Resident - if first time ;AN000;
;; 4CH : Terminate - if already installed ;AN000;
;; DX - resident data segment size in paragraphs ;AN000;
;; ;AN000;
;; Output Parameters: ;AN000;
;; NONE ;AN000;
;; ;AN000;
;; Data Structures Referenced: ;AN000;
;; Control Variables ;AN000;
;; ;AN000;
;; Description: ;AN000;
;; Copy the Temporary Shared Data area over the installation modules ;AN000;
;; and terminate (stay resident). The data is copied immediately ;AN000;
;; following this module. ;AN000;
;; ;AN000;
;; Called By: ;AN000;
;; GRAPHICS_INSTALL ;AN000;
;; ;AN000;
;; External Calls: ;AN000;
;; NONE ;AN000;
;; ;AN000;
;; Logic: ;AN000;
;; Copy Temporary Shared Data Area ;AN000;
;; Set PRINT_SCREEN_ALLOWED to YES ;AN000;
;; Exit to DOS (Function Code 31 or 4C setup by caller) ;AN000;
;; ;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
;; ;AN000;
COPY_SHARED_DATA PROC NEAR ;; ;AN000;
;; ;AN000;
REP MOVSB ;; Copy Shared Data from temporary ;AN000;
;; build area to resident memory ;AN000;
;; Allow print screens now ;AN000;
MOV ES:PRINT_SCREEN_ALLOWED,YES ;AN000;
;; ;AN000;
INT 21H ;; Exit ;AN000;
;; ;AN000;
COPY_SHARED_DATA ENDP ;; ;AN000;
;; ;AN000;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;AN000;
CODE ENDS ;AN000;
END COPY_SHARED_DATA ;AN000;
|
