v4.0/src/CMD/GRAPHICS/GRCPSD.ASM

   1         PAGE    ,132                                                            ;AN000;
   2         TITLE   DOS GRAPHICS Command  - Copy Shared Data
   3                                                                                 ;AN000;
   4 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                   ;AN000;
   5 ;; DOS - GRAPHICS Command
   6 ;; (C) Copyright 1988 Microsoft
   7 ;;                                                                              ;AN000;
   8 ;; File Name:  GRCPSD.ASM                                                       ;AN000;
   9 ;; ----------                                                                   ;AN000;
  10 ;;                                                                              ;AN000;
  11 ;; Description:                                                                 ;AN000;
  12 ;; ------------                                                                 ;AN000;
  13 ;;       This file contains the COPY_SHARED_DATA module.                        ;AN000;
  14 ;;                                                                              ;AN000;
  15 ;;                                                                              ;AN000;
  16 ;; Documentation Reference:                                                     ;AN000;
  17 ;; ------------------------                                                     ;AN000;
  18 ;;       PLACID Functional Specifications                                       ;AN000;
  19 ;;       OASIS High Level Design                                                ;AN000;
  20 ;;       OASIS GRAPHICS I1 Overview                                             ;AN000;
  21 ;;                                                                              ;AN000;
  22 ;; Procedures Contained in This File:                                           ;AN000;
  23 ;; ----------------------------------                                           ;AN000;
  24 ;;       COPY_SHARED_DATA - Copy the Shared Data Area from temporary            ;AN000;
  25 ;;                          build area to resident memory & exit to DOS         ;AN000;
  26 ;;                                                                              ;AN000;
  27 ;; Include Files Required:                                                      ;AN000;
  28 ;; -----------------------                                                      ;AN000;
  29 ;;       None                                                                   ;AN000;
  30 ;;                                                                              ;AN000;
  31 ;; External Procedure References:                                               ;AN000;
  32 ;; ------------------------------                                               ;AN000;
  33 ;;       None                                                                   ;AN000;
  34 ;;                                                                              ;AN000;
  35 ;; Linkage Instructions:                                                        ;AN000;
  36 ;; ---------------------                                                        ;AN000;
  37 ;;       Refer to GRAPHICS.ASM                                                  ;AN000;
  38 ;;                                                                              ;AN000;
  39 ;; Change History:                                                              ;AN000;
  40 ;; ---------------                                                              ;AN000;
  41 ;;                                                                              ;AN000;
  42 ;;                                                                              ;AN000;
  43 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                       ;AN000;
  44                                        ;;                                       ;AN000;
  45                                        ;;                                       ;AN000;
  46 CODE    SEGMENT PUBLIC 'CODE'          ;;                                       ;AN000;
  47         ASSUME CS:CODE,DS:CODE         ;;                                       ;AN000;
  48         INCLUDE GRCTRL.EXT             ;; Bring in external declarations        ;AN000;
  49         INCLUDE GRCTRL.STR             ;;  for transient command processing     ;AN000;
  50 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                       ;AN000;
  51 ;;                                                                              ;AN000;
  52 ;; Public Symbols                                                               ;AN000;
  53 ;;                                                                              ;AN000;
  54 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                       ;AN000;
  55                                        ;;                                       ;AN000;
  56    PUBLIC COPY_SHARED_DATA             ;;                                       ;AN000;
  57                                        ;;                                       ;AN000;
  58 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                       ;AN000;
  59 ;;                                                                              ;AN000;
  60 ;; Module Name:                                                                 ;AN000;
  61 ;;   COPY_SHARED_DATA                                                           ;AN000;
  62 ;;                                                                              ;AN000;
  63 ;; Input Parameters:                                                            ;AN000;
  64 ;;   DS : SI - points to the Temporary Shared Data Area                         ;AN000;
  65 ;;   ES : DI - destination for resident Shared Data Area                        ;AN000;
  66 ;;   BP      - offset for new Shared Data Area (same as DI)                     ;AN000;
  67 ;;   AH    - Function code for exiting to DOS:                                  ;AN000;
  68 ;;           31H : Terminate & Stay Resident - if first time                    ;AN000;
  69 ;;           4CH : Terminate - if already installed                             ;AN000;
  70 ;;   DX    - resident data segment size in paragraphs                           ;AN000;
  71 ;;                                                                              ;AN000;
  72 ;; Output Parameters:                                                           ;AN000;
  73 ;;   NONE                                                                       ;AN000;
  74 ;;                                                                              ;AN000;
  75 ;; Data Structures Referenced:                                                  ;AN000;
  76 ;;   Control Variables                                                          ;AN000;
  77 ;;                                                                              ;AN000;
  78 ;; Description:                                                                 ;AN000;
  79 ;;   Copy the Temporary Shared Data area over the installation modules          ;AN000;
  80 ;;   and terminate (stay resident).  The data is copied immediately             ;AN000;
  81 ;;   following this module.                                                     ;AN000;
  82 ;;                                                                              ;AN000;
  83 ;; Called By:                                                                   ;AN000;
  84 ;;   GRAPHICS_INSTALL                                                           ;AN000;
  85 ;;                                                                              ;AN000;
  86 ;; External Calls:                                                              ;AN000;
  87 ;;   NONE                                                                       ;AN000;
  88 ;;                                                                              ;AN000;
  89 ;; Logic:                                                                       ;AN000;
  90 ;;   Copy Temporary Shared Data Area                                            ;AN000;
  91 ;;   Set PRINT_SCREEN_ALLOWED to YES                                            ;AN000;
  92 ;;   Exit to DOS (Function Code 31 or 4C setup by caller)                       ;AN000;
  93 ;;                                                                              ;AN000;
  94 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                       ;AN000;
  95                                        ;;                                       ;AN000;
  96 COPY_SHARED_DATA  PROC NEAR            ;;                                       ;AN000;
  97                                        ;;                                       ;AN000;
  98         REP     MOVSB                  ;; Copy Shared Data from temporary       ;AN000;
  99                                        ;;  build area to resident memory        ;AN000;
 100                                        ;; Allow print screens now               ;AN000;
 101         MOV     ES:PRINT_SCREEN_ALLOWED,YES                                     ;AN000;
 102                                        ;;                                       ;AN000;
 103         INT     21H                    ;; Exit                                  ;AN000;
 104                                        ;;                                       ;AN000;
 105 COPY_SHARED_DATA  ENDP                 ;;                                       ;AN000;
 106                                        ;;                                       ;AN000;
 107 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;                                       ;AN000;
 108 CODE    ENDS                                                                    ;AN000;
 109         END COPY_SHARED_DATA                                                    ;AN000;