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1 PAGE ,132 ;
2 TITLE COMPP.SAL - COMP SYSTEM COMMAND LINE PARSER
3;****************** START OF SPECIFICATIONS *****************************
4; MODULE NAME: COMPP.SAL
5;
6; DESCRIPTIVE NAME: Include the DOS system PARSER in the SEGMENT
7; configuration expected by the modules of COMP.
8;
9;FUNCTION: The common code of the DOS command line PARSER is optimized by
10; the setting of certain switches that cause the conditional
11; assembly of only the required portions of the common PARSER.
12; The segment registers are ASSUMED according to the type .COM.
13; The Common PARSER is then INCLUDEd.
14;
15; ENTRY POINT: SYSPARSE, near
16;
17; INPUT:
18; ES - has seg id of the SEGMENT
19; that contains the input control blocks,
20; defined below.
21;
22; DI - offset into ES of the PARMS INPUT BLOCK
23;
24; DS - has seg id of the SEGMENT
25; that contains the DOS input COMMAND
26; string, which is originally presented at 81h
27; in the PSP.
28;
29; SI - offset into DS of the text of the DOS input COMMAND string
30; as originally presented at 81H in the PSP.
31;
32; DX - zero
33;
34; CX - ordinal value, intially zero, updated on each subsequent call
35; to the value returned in CX on the previous call.
36;
37; CS - points to the segment containing the
38; INCLUDE PARSE.ASM statement
39;
40; DS - also points to the segment containing the INCLUDE
41; PARSE.ASM statement.
42;
43; EXIT-NORMAL: Output registers:
44; AX - return code:
45; RC_No_Error equ 0 ; No error
46; RC_EOL equ -1 ; End of command line
47;
48; DX - Offset into ES of the selected RESULT BLOCK.
49; BL - terminated delimiter code
50; CX - new operand ordinal
51; SI - set past scanned operand
52;
53; EXIT-ERROR: Output registers:
54; AX - return code:
55; RC_Too_Many equ 1 ; Too many operands
56; RC_Op_Missing equ 2 ; Required operand missing
57; RC_Not_In_SW equ 3 ; Not in switch list provided
58; RC_Not_In_Key equ 4 ; Not in keyword list provided
59; RC_Out_Of_Range equ 6 ; Out of range specified
60; RC_Not_In_Val equ 7 ; Not in value list provided
61; RC_Not_In_Str equ 8 ; Not in string list provided
62; RC_Syntax equ 9 ; Syntax error
63;
64; INTERNAL REFERENCES:
65; ROUTINES: SYSPARSE:near (INCLUDEd in PARSE.ASM)
66;
67; DATA AREAS: none
68;
69; EXTERNAL REFERENCES:
70; ROUTINES: none
71;
72; DATA AREAS: control blocks pointed to by input registers.
73;
74; NOTES:
75; This module should be processed with the SALUT preprocessor
76; with the re-alignment not requested, as:
77;
78; SALUT COMPP,NUL,;
79;
80; To assemble these modules, the alphabetical or sequential
81; ordering of segments may be used.
82;
83; For LINK instructions, refer to the PROLOG of the main module,
84; COMP1.ASM.
85;
86; REVISION HISTORY: A000 Version 4.00: add PARSER, System Message Handler,
87; Add compare of code page extended attribute, if present.
88;
89; COPYRIGHT: "The DOS COMP Utility"
90; "Version 4.0 (C)Copyright 1988 Microsoft"
91; "Licensed Material - Property of Microsoft"
92;
93;PROGRAM AUTHOR: DOS 4.0 Edwin M. K., Bill L.
94;
95;****************** END OF SPECIFICATIONS *****************************
96 IF1 ;AN000;
97 %OUT COMPONENT=COMP, MODULE=COMPP.SAL... ;AN000;
98 ENDIF ;AN000;
99
100CSEG SEGMENT PARA PUBLIC 'CODE' ;AN000;
101 ASSUME CS:CSEG,DS:CSEG,ES:CSEG,SS:CSEG ;AN000;
102
103 PUBLIC SYSPARSE ;SUBROUTINE ENTRY POINT ;AN000;
104
105FARSW EQU 0 ;CALL THE PARSER BY NEAR CALL ;AN000;
106DATESW EQU 0 ;SUPPRESS DATE CHECKING ;AN000;
107TIMESW EQU 0 ;SUPPRESS TIME CHECKING ;AN000;
108FILESW EQU 1 ;DO CHECK FILE SPECIFICATION ;AN000;
109CAPSW EQU 1 ;DO USE FILE TABLE CAPS ;AN000;
110CMPXSW EQU 0 ;SUPPRESS CHECKING COMPLEX LIST ;AN000;
111DRVSW EQU 1 ;DO SUPPORT DRIVE ONLY FORMAT ;AN000;
112QUSSW EQU 0 ;SUPPRESS SUPPORT OF QUOTED STRING FORMT ;AN000;
113NUMSW EQU 0 ;SUPPRESS CHECKING NUMERIC VALUE ;AN000;
114KEYSW EQU 0 ;SUPPRESS KEYWORD SUPPORT ;AN000;
115SWSW EQU 1 ;DO SUPPORT SWITCHES ;AN000;
116VAL1SW EQU 0 ;SUPPRESS SUPPORT OF VALUE DEFINITION 1 ;AN000;
117VAL2SW EQU 0 ;SUPPRESS SUPPORT OF VALUE DEFINITION 2 ;AN000;
118VAL3SW EQU 0 ;SUPPRESS SUPPORT OF VALUE DEFINITION 3 ;AN000;
119INCSW EQU 0 ;DON'T INCLUDE PSDATA.INC
120BASESW EQU 1 ;use DS to index off of for PSDATA
121
122 IF1 ;AN000;
123 %OUT COMPONENT=COMP, SUBCOMPONENT=PARSE, INCLUDED PARSE.ASM... ;AN000;
124 ENDIF ;AN000;
125
126 INCLUDE PSDATA.INC ;AN000;
127 INCLUDE PARSE.ASM ;AN000;
128CSEG ENDS ;AN000;
129 END ;AN000;
130 \ No newline at end of file