PAGE ,132 ; TITLE ASSPARM.SAL - ASSIGN SYSTEM COMMAND LINE PARSER ;****************** START OF SPECIFICATIONS ***************************** ; MODULE NAME: ASSGPARM.SAL ; ; DESCRIPTIVE NAME: Include the DOS system PARSER in the SEGMENT ; configuration expected by the modules of ASSIGN. ; ;FUNCTION: The common code of the DOS command line PARSER is optimized by ; the setting of certain switches that cause the conditional ; assembly of only the required portions of the common PARSER. ; The segment registers are ASSUMED according to the type .EXE. ; ; ENTRY POINT: SYSPARSE, near ; ; INPUT: ; ES - has seg id of the SEGMENT ; that contains the input control blocks, ; defined below. ; ; DI - offset into ES of the PARMS INPUT BLOCK ; ; DS - has seg id of the SEGMENT ; that contains the DOS input COMMAND ; string, which is originally presented at 81h ; in the PSP. ; ; SI - offset into DS of the text of the DOS input COMMAND string ; as originally presented at 81H in the PSP. ; ; DX - zero ; ; CX - ordinal value, intially zero, updated on each subsequent call ; to the value returned in CX on the previous call. ; ; CS - points to the segment containing the ; INCLUDE PARSE.SAL statement ; ; DS - also points to the segment containing the INCLUDE ; PARSE.SAL statement. ; ; EXIT-NORMAL: Output registers: ; AX - return code: ; RC_No_Error equ 0 ; No error ; RC_EOL equ -1 ; End of command line ; ; DX - Offset into ES of the selected RESULT BLOCK. ; BL - terminated delimiter code ; CX - new operand ordinal ; SI - set past scanned operand ; ; EXIT-ERROR: Output registers: ; AX - return code: ; RC_Too_Many equ 1 ; Too many operands ; RC_Op_Missing equ 2 ; Required operand missing ; RC_Not_In_SW equ 3 ; Not in switch list provided ; RC_Not_In_Key equ 4 ; Not in keyword list provided ; RC_Out_Of_Range equ 6 ; Out of range specified ; RC_Not_In_Val equ 7 ; Not in value list provided ; RC_Not_In_Str equ 8 ; Not in string list provided ; RC_Syntax equ 9 ; Syntax error ; ; INTERNAL REFERENCES: ; ROUTINES: SYSPARSE:near (INCLUDEd in PARSE.SAL) ; ; DATA AREAS: none ; ; EXTERNAL REFERENCES: ; ROUTINES: none ; ; DATA AREAS: control blocks pointed to by input registers. ; ; NOTES: ; This module should be processed with the ASMUT preprocessor ; with the re-alignment not requested, as: ; ; SALUT ASSPARM,NUL; ; ; To assemble these modules, the sequential ; ordering of segments may be used. ; ; For LINK instructions, refer to the PROLOG of the main module, ; ASSIGN.SAL ; ; REVISION HISTORY: A000 Version 4.00: add PARSER, System Message Handler, ; ; COPYRIGHT: "Microsoft DOS ASSIGN Utility" ; "Version 4.00 (C)Copyright 1988 Microsoft Corp" ; "Licensed Material - Program Property of Microsoft " ; ;****************** END OF SPECIFICATIONS ***************************** IF1 %OUT COMPONENT=ASSIGN, MODULE=ASSPARM.SAL... ENDIF ; = = = = = = = = = = = = HEADER ; = = = = = = = = = = = = HEADER MACRO TEXT .XLIST SUBTTL TEXT .LIST PAGE ENDM ; = = = = = = = = = = = = HEADER ; ;AN000; CODE SEGMENT PARA PUBLIC ; ;AN000; ASSUME CS:CODE,DS:CODE,ES:CODE,SS:CODE ; ;AN000; PUBLIC SYSPARSE ;SUBROUTINE ENTRY POINT ;AN000; CAPSW EQU 1 ;SUPPORT FILENAME TBL CAPS FARSW EQU 0 ;PARSER CALL NEAR FILESW EQU 0 ;CHECK FOR FILESPEC DATESW EQU 0 ;SUPPRESS DATE CHECKING TIMESW EQU 0 ;SUPPRESS TIME CHECKING CMPXSW EQU 0 ;SUPPRESS CHECKING COMPLEX LIST NUMSW EQU 0 ;SUPPRESS CHECKING NUMERIC VALUE KEYSW EQU 0 ;SUPPRESS KEYWORD SUPPORT VAL1SW EQU 0 ;SUPPRESS SUPPORT OF VALUE DEFINITION 1 VAL2SW EQU 0 ;SUPPRESS SUPPORT OF VALUE DEFINITION 2 VAL3SW EQU 1 ;SUPPORT OF VALUE DEFINITION 3 DRVSW EQU 0 ;SUPPORT OF DRIVE ONLY FORMAT QUSSW EQU 0 ;SUPPRESS SUPPORT OF QUOTED STRING FORMAT IF1 ; ;AN000; %OUT COMPONENT=ASSIGN, SUBCOMPONENT=PARSE, MODULE=PARSE.ASM... %OUT COMPONENT=ASSIGN, SUBCOMPONENT=PARSE, MODULE=PSDATA.INC... ENDIF ; ;AN000; ;PARSE WORK AREA & EQUATES .xlist INCLUDE PARSE.ASM .list CODE ENDS END