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Assembly Source File | 1992-05-03 | 54KB | 1,023 lines

; CL-Print.asm; CR Equ 13 LF Equ 10 BELL Equ 7 TAB Equ 9 SWITCH Equ '/' CODE SEGMENT ;************************* ASSUME CS:CODE,DS:CODE ;* * Org 100H ;* REMEMBER TO EXE2BIN * ;* * Start: Jmp Beginning ;************************* ; Data Area ; --------- Copyright$ DB CR,LF,'CL-Print Ver 2.40 - ' DB 'Copyright 1991,1992 Gary Meeker',CR,LF,'"' Comment$ DB 62 DUP (' '), CR, LF, 1AH Quote2$ DB '"=>$' File_Start DW ? ;Points to Asciiz Filename Commands DB 'BQN*Z' BiosDos DB 0FFH ;0=Bios, -1=DOS Time/Date Quiet DB 0FFH ;0=Quiet, -1=Copyright Display NoAppend DB 0FFH ;0=No Append, -1=Append Close_It DB 0FFH ;0=write 62 *'s ASCIIZ$ DB ' ' ;0=ASCIIZ, Space Usage_Msg DB BELL,CR,LF DB 'Usage: CL-PRINT filespec "logstring"',CR,LF,LF DB ' String must be in quotes or decimal ASCII - ' DB 'Seperate multiple codes by commas.',CR,LF,LF ; DB ' e.g. CL-PRINT C:\PCB\CALLER /S,"Scheduled Event Ended /A"',CR,LF,LF DB TAB,'/A = " at MM-DD-YY HH:MM:SS"',CR,LF DB TAB,'/D = "MM-DD-YY"',CR,LF DB TAB,'/L = "MM-DD-YY (HH:MM)"',CR,LF DB TAB,'/S = 6 spaces',CR,LF DB TAB,'/T = "HH:MM"',CR,LF DB TAB,'/* = row of *',CR,LF DB TAB,'/Q = No console output',CR,LF DB TAB,'/N = Create NEW file' DB TAB,'/B = use BIOS Date/Time Services ' CrLf$ DB CR,LF,'$' NoUser$ DB BELL,CR,LF,'No User Online!',CR,LF,'$' PCBDrive DB 'PCBDRIVE=' LenPCBDrive EQU $ - PCBDrive PCBDir DB 'PCBDIR=' LenPCBDir EQU $ - PCBDir PCBoardSys$ DB 'PCBOARD.SYS',0 PCBoardDat$ DB 'PCBOARD.DAT',0 Not_Found2 DB ' - File not found! ',CR,LF,'$' Not_Found3 DB ' - Path not found! ',CR,LF,'$' No_Handle DB ' - No handles left!',CR,LF,'$' No_Access DB ' - Access Denied!',CR,LF,'$' Unknown DB ' - Unknown Error!',CR,LF,'$' ReadError$ DB ' - Error reading file!',CR,LF,'$' ; Code Area ; --------- ;-------------------------------------------------------; ; First we will parse the filename and the string. ; ;-------------------------------------------------------; Beginning: Mov DX,OFFSET Usage_Msg ;Point to syntax message. Cld ;Move in forward direction. Mov AX,DS ;Point ES to DS Mov ES,AX Mov SI,80H ;Point to parameters. Mov DI,81H ;Point DI for SCASB Mov AL,'@' ;See if any @ Variables exist Xor CH,CH ;Get Command Line Mov CL,[SI] ; Length in CX Jcxz ErrorExit ;Nevermind if no parameters Repne Scasb ;Do we have any @ variables Jne No_Read ;Nope, None found Call ReadFile ;Yep, Read PCBoard files into Jc ErrorExit ; buffers, oops Error occured No_Read: Mov DI,OFFSET Comment$ ;Point to comment string storage. Xor CX,CX ;Set string counter to zero. Call Space ;Parse leading spaces. Mov File_Start,SI ;We now point to filename. File_Byte: Cmp BYTE PTR [SI],CR ;Is it a carriage return? Jz ErrorExit ;If yes, exit with syntax error. Cmp BYTE PTR [SI],' ' ;Is it a space? Jz Asciiz ;If yes, end of filename Inc SI ; else, point to next byte Jmp File_Byte ; and check it. OpenError: Call File_Error ;Show what type of Error ErrorExit: Call Display Mov AX,4C01H Int 21H ; and terminate. Asciiz: Mov BYTE PTR [SI],0 ;Make filename into ASCIIZ. Call Space ;Parse the spaces. String_Byte: Call String ;Get string. Cmp BYTE PTR [SI],CR ;Are we now pointing to CR? Jz Open_File ;If yes, we are done here Inc SI ; else point to next byte Cmp CX,62 ;Maximum Length? Jl String_Byte ; No, get rest of string. ;------------------------------------------; ; OK, Open file and seek to the end of it. ; ;------------------------------------------; Open_File: Push CX ;Save length Mov DX,File_Start ;Point to ASCIIZ filename Cmp NoAppend, 0 ;Is it NoAppend mode? Je Create_File ;Yes, Just create it! Mov AX,3D41H ; Open file for writing. Int 21H Jnc Open2 ;OK if no error Cmp AX,2 ;Was it NOT FOUND? Jne OpenError ; No, Report the error Create_File: Mov AH,3CH ; Yes, Create File Xor CX,CX ; Normal Attribute Int 21H Jc OpenError ;Report the error Open2: Mov BX,AX ;File Handle to BX Mov AX,4202H ;No, Move File Pointer Xor CX,CX ; Zero offset Xor DX,DX ; from end of file (CX:DX = 0) Int 21H Pop CX ;------------------------------------------------; ; We are ready to write the comment to the file. ; ;------------------------------------------------; Write: Jcxz Skip_Write Mov DX,OFFSET Comment$ ;Point to COMMENT$ Jmp SHORT Write_Close ;Write the comment Make_Close: Call Do_Close ;Fill the Buffer Write_Close: Mov CX,64 ;64 Bytes to write Mov AH,40H ; and write comment. Int 21H Skip_Write: Cmp Close_It,0FFH ;Do we need a row of *,s Jne Make_Close ;yes Mov AH,3EH ;No,close file. Int 21H Cmp Quiet,0FFh ;Quiet Mode Jne QExit ;Yes, So Exit Mov Comment$+62,'$' ;No, prepare the Comment Mov DX,OFFSET Copyright$ ;Point to Copyright message Call Display Mov DX,OFFSET Quote2$ ;Print trailing Quote & Arrow Call Display Mov SI,File_Start ;Point to File Name Call DisplayText ;------------------------------------------; ; The exit is placed in the middle of code ; ; so it can be reached by short jumps. ; ;------------------------------------------; Exit2: Mov DX,OFFSET CrLf$ Exit: Call Display QExit: Mov AX,4C00H Int 21H ; and terminate. File_Error: Mov DX,OFFSET Not_Found2 Cmp AX,2 Je Error_Ret Mov DX,OFFSET Not_Found3 Cmp AX,3 Je Error_Ret Mov DX,OFFSET No_Handle Cmp AX,4 Je Error_Ret Mov DX,OFFSET No_Access Cmp AX,5 Je Error_Ret Mov DX,OFFSET Unknown Error_Ret: Ret ;---------------------------------------; ; This subroutine will use DOS function ; ; to print string terminated by '$' ; ;---------------------------------------; Display: Mov AH,9 ;Display message Int 21H ; Ret ; ;---------------------------------------------; ; This subroutine will get the quoted string ; ; or convert the decimal ASCII to hexadecimal ; ; and store in the appropriate storage area. ; ;---------------------------------------------; String: Mov AH,[SI] ;Get a character Cmp AH,'"' ;Is it double quotes? Jz Got_Quote ;Yes - Cmp AH,"'" ;No - Is it single quotes? Jnz Number ;If no, must be number Got_Quote: Inc SI ; else, point to first string Next_String: Lodsb ; byte and retrieve. Cmp AL,CR ;Is it carriage return? Jz Exit ;If yes, syntax error; exit. Cmp AL,SWITCH ;Is it a Switch character Jz Is_Switch ;Yes Cmp AL,'@' ;No, Is it a Var Subst Char? Jnz Not_switch ;No, Is_Switch: Call Substitute ;Yes, Substitute Jnc Next_2 ; If Not carry then continue Ret ; else done Not_Switch: Cmp AL,AH ;Is it a matching quotes? Jnz Store ;If no, store the byte Call Delimiter ; else, see if delimiter Jnc Store ; and store the quote if part Ret ; of string else, we are done. Store: Stosb ;Store the byte Inc CX ; increment byte count Next_2: Cmp CX,62 ;Maximum length? Jl Next_String ; no, get next string byte Ret ; yes, then return ;-------------------------------; ; This routine converts Decimal ; ; Ascii number to charcater and ; ; places it in Comment$ ; ;-------------------------------; Number: Xor BL,BL ;Zero into hex counter. Cmp AH,Switch ;Was it a Switch character? Jz Is_Switch2 ;Yes Cmp AH,'@' ;No, Is it a Var Subst char? Jnz Get_Number ;No, must be a number Is_Switch2: Inc SI ;Yes, Skip the Switch Char Mov AL,AH ;Copy Switch to AL Jmp SHORT Substitute ;Do the substitute Get_Number: Call Delimiter ;Is it a delimiter? Jnc Load_Number ;If no, get next decimal number Mov AL,BL ; get hex byte Stosb ; and store Inc CX ; increment byte count Ret ; yes, then return Jump2Exit: Jmp Exit Load_Number: Lodsb ;Get the decimal number Cmp AL,'0' ;Is it between 0 and 9? Jb Jump2Exit ;If no, syntax error Cmp AL,'9' Ja Jump2Exit Sub AL,30H ; else, convert to hex Mov BH,AL ; and save Mov AL,10 ; multiply by ten Mul BL ; to shift place left Mov BL,AL Add BL,BH ; add new number Jmp Get_Number ; and get next decimal number. ;------------------------------------------------; ; This subroutine converts '/' variables to ; ; their values and stuffs Comment$ ; ;------------------------------------------------; Substitute: Push AX ;Save Quote Mov AH,AL ;Save the switch Lodsb ;Get the next Character Cmp AL,'a' ;Lower Case? Jb S1 ;No, Cmp AL,'z' ;Maybe, let's see Ja S1 ;No, Sub AL,20h ;Yes, convert to Upper Case S1: Cmp AH,Switch ;Is it a switch or Var Subst? Je Do_Switch ;It was a Switch? Jmp VarSub ;No, It was a Var Subst? Do_Switch: Mov BX,5 ;5 commands to check Next_Cmp: Cmp AL,Commands-1[BX] ;Is this the one? Je Set_Mode ;Yes Dec BX ;No, Decrement BX Jnz Next_Cmp ;Loop until Done ;--------------------------------------------------------------------------- ; Cmp AL,'Q' ;Is it QUIET Switch? ; code Je Set_Quiet ;Yes (Carry is Cleared) ; replaced Cmp AL,'N' ;Is it NoAppend mode? ; by 5 Je Set_NoAppend ;Yes, (Carry is Cleared) ; lines Cmp AL,'B' ;Is it BIOS services mode? ; above Je Set_TimeDate ;Yes, (Carry is Cleared) ; Cmp AL,'*' ;No, Is it CLOSED Var? ; Je Set_Closed ;Yes (Carry is Cleared) ; Cmp AL,'Z' ;Is it a ASCIIZ var? ; Je Set_ASCIIZ ;Yes, Carry is Cleared ;--------------------------------------------------------------------------- Cmp AL,CR ;Is it CR? Je Jump2Exit ;If yes, syntax error; exit. Mov BX,DI ;Save COMMENT$ Pointer Mov DI,OFFSET DatBuffer ;Point to Buffer Cmp AL,'T' ;Is it TIME var? Je Stuff_Time ;Yes, and Carry is Clear Cmp AL,'D' ;Is it DATE Var? Je Stuff_Date ;No, Cmp AL,'A' ;Maybe, let's see Jnz S2 ;No, Mov AX,'a ' ;Yes, Set ' at ' in Buffer Stosw ; Mov AX,' t' ; Stosw ; Call Do_Date ;add Date to Buffer Mov AL,' ' ;add ' ' Stosb ; Stc ;We want seconds too Stuff_Time: Call DO_Time ;add Time to Buffer Jmp SHORT Stuff_It S2: Cmp AL,'L' ;Is it LOGON Var? Jne S3 ;No, Call Do_Date ;Yes, Set Date in Buffer Mov AX,'( ' ; add ' (' Stosw ; Clc ;We don't want seconds Call Do_Time ;add Time to Buffer Mov AL,')' ; add ')' Stosb ; Jmp SHORT Stuff_It S3: Cmp AL,'S' ;Is it SPACES var? Jne S4 ;No, Mov AX,' ' ;Yes, Set six spaces in Buffer Stosw ; Stosw ; Stosw ; Jmp SHORT Stuff_It S4: Mov DI,BX ;restore Comment$ pointer Stosb ;just store it Inc CX ;count it Clc ; Pop AX ;Restore Quote Ret Set_Mode: Mov BiosDOS-1[BX],BH ;Handles all 5 Set variables, BH=0 Pop AX ;Restore Quote Ret ;Done - Carry Clear ;--------------------------------------------------------------------------- ;Set_ASCIIZ: Mov BYTE PTR ASCIIZ$,0 ;Set 0 in ASCIIZ$ ; Pop AX ;Restore Quote ; Ret ;Done - Carry Clear ;Set_Quiet: Mov BYTE PTR Quiet,0 ;Show Quiet mode ; Pop AX ;Restore Quote ; Ret ;Done - Carry Clear ;Set_NoAppend: Mov BYTE PTR NoAppend,0 ;Show NoAppend mode ; Pop AX ;Restore Quote ; Ret ;Done - Carry Clear ;Set_TimeDate: Mov BYTE PTR BiosDos,0 ;Show BIOS Services used ; Pop AX ;Restore Quote ; Ret ;Done - Carry Clear ;Set_Closed: Mov BYTE PTR Close_It,0 ;Show Closed mode ; Pop AX ;Restore Quote ; Ret ;Done - Carry Clear ;--------------------------------------------------------------------------- Stuff_Date: Call Do_Date ;Yes, Set Date in Buffer Stuff_It: Xor AL,AL ;Zero marks end of data Stosb ; Mov DI,BX ;resore Comment$ pointer Mov BX,SI ;Save Command Line pointer Mov SI,OFFSET DatBuffer ;Point to Buffer Stuff_More: Lodsb ;Get character from Buffer Or AL,AL ;End of data Jz Done_Stuff ;Yes, Stosb ;Copy to Comment$ Inc CX ;Count it Cmp CX,62 ;Maximum Length? Jl Stuff_More ;No - Continue Stc ;Yes - Indicate that Done_Stuff: Mov SI,BX ;Restore Command Line pointer Pop AX ;Restore Quote Ret ;All done ;------------------------------------------; ; This subroutine Reads Date and stuffs ; ; buffer with information (uses part of ; ; Do_Time routine) ; ;------------------------------------------; Do_Date: Push BX ;Save BX Push CX ;Save Length Push DX ;Save Message Pointer Test BiosDOS,0 ;Get flag Jne DosDate ;We use DOS Mov AH,04H ;Get date service Int 1AH ;Call BIOS - return codes as follows: ;CH = Century (19-20) CL = Year (00-99) ;DH = Month (1-12) DL = Day (00-31) Jmp SHORT Do_Date1 DosDate: Mov AH,2AH ;Get System Date Int 21H ;DOS Call Sub CX,1900 ;Remove Century Do_Date1: Mov AL,DH ;Month Call ASCII ;Convert byte to ASCII digits Mov AL,'-' ; Stosb ; Mov AL,DL ;Day Call ASCII ;Convert byte to ASCII digits Mov AL,'-' ; Stosb ; Mov AL,CL ;Year Jmp SHORT Skip_Seconds ;------------------------------------------; ; This subroutine Reads Time and stuffs ; ; buffer with information ; ;------------------------------------------; Do_Time: Push BX ;Save BX Push CX ;Save Length Push DX ;Save Message Pointer PushF ;Save Flags Test BiosDOS,0 ;Get flag Jne DosTime ;We use DOS Mov AH,02H ;Get time service Int 1AH ;Call BIOS - return codes as follows: ;CH = Hours (0-23) CL = Minutes (0-59) ;DH = Seconds (0-59) Jmp SHORT Do_Time1 DosTime: Mov AH,2CH ;Get System Time Int 21H ;DOS Call Do_Time1: Mov AL,CH ;Hours Call ASCII ;Convert byte to ASCII digits Mov AL,':' ; Stosb ; Mov AL,CL ;Minutes PopF ;Restore Flags Jnc Skip_Seconds ;Skip the Seconds if No Carry Call ASCII ;Convert byte to ASCII digits Mov AL,':' ; Stosb ; Mov AL,DH ;Seconds Skip_Seconds: Pop DX ;Restore Message Pointer Pop CX ;Restore Length Pop BX ;Restore BX ASCII: Test BiosDos,0 ;Do we use DOS or BIOS Jne DosASCII ;We use DOS Mov AH,AL ;Need to get BCD Digits Shr AL,1 ; MSD in AL Shr AL,1 ; lower Shr AL,1 ; 4 Shr AL,1 ; Bits And AH,0FH ;And LSD in AH cleanly PutAscii: Or AX,3030H ;Convert to ASCII Stosw ;Stuff Digits into Buffer (in reverse) Ret ;SI Points to String Data DosASCII: Mov BL,10 ;Divide by 10 Xor AH,AH ;Change AL to AX Div BL ;Do the Division Jmp PutAscii ;and write the digits ;--------------------------------------------; ; This subroutine will translate @ variables ; ; to data read from PCBOARD.SYS & USERS file ; ;--------------------------------------------; VarSub: Push DI ;Save Comment$ pointer Mov BX,OFFSET SUB_TABLE ;Point to Variable List Mov DI,OFFSET DatBuffer ;Point to Buffer NextVar: Mov AH,[BX] ;Get a letter from table Or AH,AH ;End of table? Jz NoSub ;Yes, no match then Cmp AH,AL ;No, Is this our Letter? Jz GotIt ; Yes, Add BX,4 ; No, Bump the pointer Jmp NextVar ; Next Variable GotIt: Mov AX,[BX][1] ;Get Offset value from table Mov CL,[BX][3] ;Get Length value from table Xor CH,CH ;Convert to word Mov BX,SI ;Save Command line pointer Mov SI,OFFSET SysBuffer ;Point to PCBOARD.SYS Buffer Add SI,AX ;Add Offset VarCopy: Lodsb ;Get Character Or AL,AL ;Is it a Zero Jnz CopyIt ;No, Or AL,ASCIIZ$ ;Yes, Is ASCIIZ$ = 0 Jz CopyDone ; Yes, Done CopyIt: Stosb ; No, Copy it Loop VarCopy ;Loop till Done ; Rep Movsb ;Copy Variable to Buffer CopyDone: Mov SI,BX ;Restore Command line pointer Pop BX ;Restore Comment$ Pointer to BX Jmp Stuff_It ; Now stuff the data in Comment$ NoSub: Pop BX ;Restore Comment$ Pointer to BX Jmp S4 ;Just store the character ;--------------------------------; ; This subroutine will parse ; ; leading and delimiting spaces. ; ;--------------------------------; Space: Inc SI ;Point to next byte Cmp BYTE PTR [SI],' ' ;Is it space? Jz Space ;If no, get next byte Ret ; else, return. ;----------------------------; ; This subroutine will check ; ; for delimiter characters. ; ;----------------------------; Delimiter: Push AX Mov AL,[SI] Clc ;Assume not delimiter. Cmp AL,' ' ;Is it space Jz Set_Carry Cmp AL,CR ; or carriage return Jz Set_Carry Cmp AL,',' ; or comma? Jz Set_Carry Cmp AL,';' ; or semi-colon? Jz Set_Carry Cmp AL,Switch ; or Switch? Jnz Return ;If no, return else, indicate Set_Carry: Stc ; by setting carry flag Return: Pop AX Ret ; and return. ;----------------------------; ; This subroutine will fill ; ; the buffer with *'s. ; ;----------------------------; Do_Close: Mov DI,Offset DatBuffer ;Point to Buffer for this Mov DX,DI ;DX also for Write Mov AL,'*' ;Make a line of *'s Mov CX,62 ;Need 62 of them Rep Stosb ; Mov AL,CR ;Add a Carriage Return Mov AH,LF ; and Line Feed Stosw Mov Close_It,0FFh ;Turn Off flag or we will be here Ret ; forever - and Return ;---------------------------------------; ; This subroutine will use DOS function ; ; to print string terminated by Zero. ; ;---------------------------------------; DisplayText: Lodsb ;get a character Or AL,AL ;End of name Jz DisplayDone ;Yes, Done Mov DL,AL ;No,Print it Mov AH,2 ;Character Output Int 21H Jmp DisplayText ;Loop until done DisplayDone: Ret ;---------------------------------------; ; This subroutine will read PCBOARD.SYS ; ; file into a buffer area. ; ;---------------------------------------; ReadFile: Push DI ; Push SI ; Push DX ;Save message pointer Xor CX,CX ;Zero Counter for test purposes NextFlush: Mov BX,CX ;Let's dup the Stdin handle Mov AH,45h ;service to duplicate a file handle Int 21h ;call DOS to do it Jcxz StartFlush ;First Time thru Jmp SHORT CloseIt StartFlush: Mov CX,AX ;copy to CX for counter CloseIt: Mov BX,AX ;put the new handle into BX ; Mov DX,AX ;Copy Handle number ; Add DX,3030h ;Make it Ascii ; Mov AH,2 ;Display Character ; Int 21h ;Let's display the number for testing Mov AH,3Eh ;and close the "alias" file Int 21h ;call DOS to do it Dec CX ;Next Handle Cmp CX,4 ;Did we inherit any files? Ja NextFlush ;Yes, lets Flush them ;No, or we went thru them all! DoneFlushing: Mov DI,OFFSET SysBuffer ;Point to PCBoard.Sys Buffer area Push DI Mov CX,1024 ;Let's fill the whole buffer area Mov AL,'.' ; with '.' characters Rep Stosb ; and do it Mov DX,OFFSET PCBoardSys$ ;Point to Asciiz filename Call CheckFile ;See if it's present Pop DI Mov CX,128 ;128 bytes is all we need Xor AX,AX ;No Record Seek Call ReadBuffer ; Jc ReadErr_Hop ; Mov AL,SysBuffer + 84 ;Get the first character (UserName) Cmp AL, ' ' ;Is it a space? Je NoUser ;Yes Mov DX,OFFSET PCBoardDat$ ;Point to Asciiz filename Call CheckFile ;See if it's present Mov DI,OFFSET DatBuffer ;Point to PCBoard.Dat Buffer area Mov CX,8000 ;8000 bytes is more than enough Xor AX,AX ;No Record Seek Call ReadBuffer ReadErr_Hop: Jc ReadError Mov DI,OFFSET DatBuffer ;Point to PCBoard.Dat Buffer area Mov CX,8000 Mov BX,28 ;Scan past 28 Lines Mov AL,LF NextLine: Repne Scasb Dec BX Jnz NextLine Mov DX,DI ;DX points to filename Repne Scasb ;Find End of line Dec DI ;back up Dec DI ;back up Mov Byte Ptr [DI],0 ;Make ASCIIZ ; Push DX ; Mov SI,DX ; Call DisplayText ;Lets see that name ; Pop DX Mov DI,OFFSET UserBuffer ;Point to User File Buffer Mov CX,400 ;400 Bytes in User Record Mov AX,Word Ptr SYSBuffer+23 ;Get User Record Number Or AX,AX ;Test the Record Number Jz NoUser ;None present, error Push AX ;Save the record Number Call ReadBuffer Pop CX Jc ReadError Mov AH,3EH ;Close file Int 21H Mov DI,OFFSET UserBuffer+229 ;Point to LastMsgConf Mov SI,OFFSET UserBuffer+87 ;Point SI to Last Date On Mov AX,CX ;Get Record Number Call TransferInt2 ;Copy Integer Call TransferDate ;Copy Date (DI=DI+8, SI=SI+6) Add SI,8 ;Point to Last Scan Date Call TransferDate ;Copy Date (DI=DI+8, SI=SI+6) Call TransferChr ;Copy Chr$(Seclevel) Call TransferInt ;Copy Integer (TimesOn) Add SI,73 ;Point to Minutes On Call TransferInt ;Copy Integer (Minutes On) Call TransferDate ;Copy Date (DI=DI+8, SI=SI+6) Call TransferChr ;Copy Chr$(ExpSecLevel) Mov AX,Word Ptr SYSBuffer+109 ;Get Time Remaining Call TransferInt2 ;Copy Integer Mov SI,OFFSET UserBuffer ;Point SI to UserName Call TransferFile ;Make it a FileName Pop DX ;Restore message pointer Clc ;Indicate No Error Jmp SHORT ReadError2 ; NoUser: Mov DX, OFFSET NoUser$ ;No user Online! Stc ReadError: Pop AX ;Forget message pointer ReadError2: Pop SI Pop DI Ret ;---------------------------------------; ; Transfer UserName to FileName ; ;---------------------------------------; TransferFile: Mov BL,'.' ; We need a '.', then a 0h Mov BH,' ' ; First we need to find space Mov AH,254 ; Flag shows we are in FileName, then Ext. Mov CX,8 ; Eight Characters Max Mov DX,25 ; UserName is 25 characters long Next_Char: Lodsb ; Read a Char Dec DX ; Count it Call CheckChar ; Check for bad characters Cmp AL,BH ; Is it a Space? Jne Not_Space ; No, continue then Inc AH ; Yes, Show we found a Space Do_Dot: Mov AL,BL ; Yes, Time for the '.' or 0h Not_Space: Stosb ; Store the character Cmp AL,BL ; Was it a '.'? Je Extension ; Yes Loop Next_Char ; No, then loop till all 8 Jmp Do_Dot ; And now we need a Dot Extension: Or BL,BL ; Are we Done (BL = 0)? Jz FileDone ; Yes, Bye-bye Xor BL,BL ; Zero to BL Inc AH ; No, Did we find a Space already? Jz Skip_Scan ; Yes, then No need for scan! Mov CX,DX ; No, Get Characters remaining in UserName Xchg SI,DI ; Scasb needs ES:DI (but we want to scan SI) Mov AL,BH ; Scan for a Space Repne Scasb ; Do the scan Xchg SI,DI ; Restore SI & DI (SI past the SPACE!) Jne End_File ; Sorry, no Space found, end the name Inc AH ; AH = 0 (else we exit!) Skip_Scan: Mov CX,3 ; Three characters MAX for extension Jz Next_Char ; Back we go for the extension End_File: Mov [DI],BL ; There isn't one, end the FileName here FileDone: Ret CheckChar: Cmp AL,BH ; Space is OK Je Char_Ok Cmp AL,BH ; '.' or 0h is OK Je Char_Ok Cmp AL,'0' ; Ctrl-Chars !"#$%'&()*+,-./ are no good Jb Bad_Char Cmp AL,'9' ; 0-9 are OK Jbe Char_Ok Cmp AL,'A' ; ;:<=>? are no good Jb Bad_Char Cmp AL,'Z' ; A-Z are OK Jbe Char_Ok ; Anything else is no good Bad_Char: Mov AL,'$' ; Replace all bad characters with '$' Char_Ok: Ret ;---------------------------------------; ; Transfer Date from yymmdd to mm-dd-yy ; ;---------------------------------------; TransferDate: Mov BL,'-' Lodsw ; Read Year Movsw ; Copy Month Mov [DI],BL ; Write '-' Inc DI Movsw ; Copy Day Mov [DI],BL ; Write '-' Inc DI Stosw ; Write year Ret ;------------------------------------------; ; This subroutine will converts a byte ; ; into ascii text ; ;------------------------------------------; TransferChr: Lodsb ;Read the Chr Xor AH,AH ;force upper byte to zero Mov DX,3 ;We want 3 characters Jmp SHORT TI2 ;------------------------------------------; ; This subroutine will converts an integer ; ; into ascii text ; ;------------------------------------------; TransferInt: Lodsw ;Read the integer TransferInt2: Mov DX,5 ;We want 5 characters TI2: Push BX ;Save register Mov BL,10 ;for division by 10 Xor CX,CX ;set count to zero Divide: Push DX ;save register Xor DX,DX ;perform word divide Xor BH,BH ; to avoid divide overflow Div BX ;return quotient in AX Mov BH,DL ;return remainder in BH Pop DX Push BX ;build our number on the stack Inc CX ;keep count of them Or AX,AX ;All done? (remainder = 0) Jnz Divide ;No, Keep dividing Mov AH,"0" ;prepare for ASCII translation Write_it: Pop BX ;get a remainder off the stack Mov AL,BH ;put remainder in AL Add AL,AH ;convert to ASCII Stosb ;write digit to end of string Dec DX ;decrement desired count Loop Write_it ;pop all of them off of stack Mov CX,DX ;Remaining Count to CX Pop BX ;Retore register Jcxz PadDone ;No padding needed Xor AL,AL ;Load Zero Rep Stosb ;Pad remainder PadDone: Ret ;All Done! ;-------------------------------------------; ; DX Points to ASCIIZ Filename ; ; ; ; Check to see if file in current directory ; ; or at %PCBDRIVE%%PCBDIR% from environment ; ;-------------------------------------------; CheckFile: Push DX ;Save filename pointer Mov AX,3D40H ;Open file for reading. Int 21H Jc CheckError ;Error if Carry Set Mov AX,BX ;Copy handle of open file Mov AH,3Eh ;and close it. Int 21H Jnc CheckDone ;OK, File exists CheckError: Cmp AX,2 ;File Not Found? Jne CheckDone ;Exit if anything else Mov BX,OFFSET UserBuffer Pop SI ;Get filename pointer Push BX ;Save Buffer Address instead Push SI ;Now save filename pointer Mov DX,OFFSET PCBDrive Mov BP,LenPCBDrive Call Copy_Env ;Findit & Copy it Mov DX,OFFSET PCBDir Mov BP,LenPCBDir Call Copy_Env ;Findit & Copy it Pop SI ;Get back filename pointer Mov AL,'\' ;Append a '\' (if needed) Cmp [DI-1],AL ;Is there one already? Je No_Slash ;Yes, Stosb ;No, so add one. No_Slash: Call Copy_ASCIIZ ;And Copy it Stosb ; And terminate it with a Zero ; Pop SI ;Get the buffer address ; Push SI ; put it back on the stack ; Call DisplayText ; Now, Lets see that name! CheckDone: Pop DX ;Get Filename pointer or buffer address. Ret ;------------------------------------------------------; ; On Entry: ; ; BX Points to Destination Buffer ; ; DX points to Target String to find in Environment ; ; BP Contains length of Target String ; ; On Exit: ; ; BX adjusted to next character to write in Buffer ; ; DI is same as BX (All other Regs altered) ; ;------------------------------------------------------; Copy_Env: Mov AX,CS:[2Ch] ;Point ES to Environment Mov ES,AX ; Xor DI,DI ;Start of Environment (ES:DI) Xor AX,AX ; Next_Env: Mov CX,BP ;Get length. Mov SI,DX ;Get Target pointer Rep Cmpsb ;Do we have a match? (DS:SI) = (ES:DI) Je FoundMatch ;Yes, Found it Dec DI ;No, It didn't match, back up one Mov CX,-1 ; Repne Scasb ;Find the end of this one (ES:DI) Cmp ES:[DI],AL ;Is this the last one? Jne Next_Env ;No, Do the next one. Mov DI,BX ;Point DI to Buffer also Je Copy_Exit ;Yes, No Copy FoundMatch: Mov AX,ES ;Point DS to Env Segment Mov DS,AX ; Mov AX,CS ; and ES back to Program Data Segment Mov ES,AX ; Mov SI,DI ;Point SI to variable value Mov DI,BX ;Point DI to Buffer Copy_ASCIIZ: Xor AL,AL ;We need to copy up to the 0h Copy_Next: Cmp [SI],AL ;Is this the end? Je Copy_Done ;Yes, Movsb ;No, Copy it (ES:DI) <= (DS:SI) Jne Copy_Next ;Keep going Copy_Done: Mov BX,DI ;Update BX Copy_Exit: Mov DX,CS ;Make sure DS points to Mov DS,DX ; Code Segment again. Mov ES,DX ; and ES too! Ret ; ;--------------------------------; ; DX Points to ASCIIZ Filename ; ; DI Points to Buffer Area ; ; CX Contains Length to read ; ; AX Contains Record Number or 0 ; ; Carry set if error ; ;--------------------------------; ReadBuffer: Mov SI,DX ;Save filename pointer (for disp) Push AX ;Save Record Number (if any) Mov AX,3D40H ;Open file for reading. Int 21H Pop BX ;Restore Record Number (to BX) Jc FileError ;Error if Carry Set Xchg AX,BX ;Copy handle of open file Or AX,AX ;Random Record Seek? Jz No_Seek ;No, Push CX Dec AX Mul CX ;Yes, CX=Length, AX=Record Number ;Now DX:AX = Seek (Save Length) Mov CX,AX ;Now DX:CX Xchg CX,DX ;Now CX:DX Mov AX,4200H ;Seek Int 21H Pop CX ;Restore Length Jc FileError ;Error if Carry Set No_Seek: Mov DX,DI ;Point to buffer Mov AH,3FH ;Read from handle Int 21H Jc FileError ;Error if Carry Set Mov AH,3EH ;Close file Int 21H Jc FileError Ret ;All done FileError: Push AX ;Save error code Call DisplayText ;Display the filename ;For trouble shooting error codes use the following ; Mov DL,' ' ; Mov AH,2 ;Character Output ; Int 21H ; Mov DL,'(' ; Mov AH,2 ;Character Output ; Int 21H ; Mov DL,BL ; Add DL,30h ; Mov AH,2 ;Character Output ; Int 21H ; Mov DL,')' ; Mov AH,2 ;Character Output ; Int 21H Pop AX ;Get error code Call File_Error ;Translate it Stc ;Indicate the error Ret SUB_TABLE LABEL BYTE DB 'F', 25, 0, 15 ; First Name (Proper Case) DB '?', 40, 0, 12 ; Password DB 'G', 56, 0, 5 ; Time User logged On DB 'Z', 80, 0, 4 ; Language Extension DB 'N', 84, 0, 25 ; User Full Name DB '*', 146, 1, 5 ; Time Remaining (from 109) DB 'V', 112, 0, 5 ; Event Time DB 'C', 153, 0, 24 ; City, State DB 'B', 189, 0, 13 ; Bus/Data Phone DB 'H', 202, 0, 13 ; Home/Voice Phone DB 'D', 106, 1, 8 ; Last Date On (from 215) DB 'T', 221, 0, 5 ; Last Time On DB '!', 226, 0, 1 ; Expert Mode (Y or N) DB 'P', 227, 0, 1 ; Default Protocol DB 'L', 114, 1, 8 ; Last Dir Scan (from 229) DB 'A', 122, 1, 3 ; Sec Level Access (from 235) DB '#', 125, 1, 5 ; Number of Times On (from 236) DB 'M', 130, 1, 5 ; TimeSpent last call (from 311) DB 'E', 135, 1, 8 ; Expiration Date (from 313) DB 'X', 143, 1, 3 ; Expiration Sec Level (from 319) DB 'U', 251, 0, 30 ; User Maintained Comment DB 'S', 25, 1, 30 ; Sysop Maintained Comment DB 'R', 101, 1, 5 ; Record Number DB '=', 151, 1, 13 ; First.Last DB '$', 101, 1, 63 ; Translated Data Table_End DB 0 ; 528 DUP ('.') ;PCBoard.Sys reads in here SysBuffer EQU Table_End + 1 ; 0 Display AS STRING * 2 'Display On/Off ("-1" = On, " 0" = Off) ; 2 Printer AS STRING * 2 'Printer On/Off ("-1" = On, " 0" = Off) ; 4 PageBell AS STRING * 2 'Page Bell On/Off ("-1" = On, " 0" = Off) ; 6 CallAlarm AS STRING * 2 'Caller Alarm On/Off ("-1" = On, " 0" = Off) ; 8 SysopFlag AS STRING * 1 'Sysop Flag (" ", "N"=sysop next, "X"=exit dos) ; 9 ErrCorr AS STRING * 2 'Error Corrected ("-1" = On, " 0" = Off) ; 11 Graphics AS STRING * 1 'Graphics Mode ('Y'=yes, 'N'=no, '7'=7E1) ; 12 NodeChat AS STRING * 1 'Node Chat Status ('A'=available, 'U'=unavailable) ; 13 DTEPort AS STRING * 5 'DTE Port Speed (PC to Modem speed) ; 18 Connect AS STRING * 5 'Connect Speed shown to caller or "Local" ;| 23 RecNum AS INTEGER 'User's Record Number in the USERS file ;| 25 FirstName AS STRING * 15 'User's First Name (padded to 15 characters) ;| 40 Password AS STRING * 12 'User's Password (padded to 12 characters) ; 52 TimeOn AS INTEGER 'Time User Logged On (in minutes since midnight) ; 54 TimeUsed AS INTEGER 'Time used so far today (negative number of minutes) ;| 56 TimeOnF AS STRING * 5 'Time User Logged On (in "HH:MM" format) ; 61 DayTime AS INTEGER 'Time Allowed On (from PWRD file) ; 63 DLKbytes AS INTEGER 'Allowed K-Bytes for Download ; 65 ConfArea AS STRING * 1 'Conference Area user was in (if <= 255) ; 66 ConfJoined AS STRING * 5 'Conference Areas the user has joined this session ; 71 ConfScaned AS STRING * 5 'Conference Areas the user has scanned this session ; 76 ConfAddTime AS INTEGER 'Conference Add Time in minutes ; 78 CreditTime AS INTEGER 'Upload/Sysop CHAT Credit Minutes ;| 80 LangExt AS STRING * 4 'Language Extension ;| 84 UserName AS STRING * 25 'User's Full Name (padded to 25 characters) ;| 109 MinRemain AS INTEGER 'Calculated Minutes Remaining ; 111 NodeNum AS STRING * 1 'Node Number (or ' ' if no network) CHR$() ;| 112 EventTime AS STRING * 5 'Scheduled Event Time (in "HH:MM" format) ; 117 EventOn AS STRING * 2 'Is Event Active ("-1" = On, " 0" = Off) ; 119 EventSlide AS STRING * 2 'Slide Event ("-1" = On, " 0" = Off) ; 121 MemMesg AS STRING * 4 'Memorized Message Number MKSMBF$() ; 125 ComPort AS STRING * 1 'Comm Port Number (0=none, 1-8) ; 126 Reserved1 AS STRING * 1 'Reserved for PCBoard ; 127 Reserved2 AS STRING * 1 'Reserved for PCBoard UserBuffer EQU SysBuffer+128 ;Users record reads in here ;| 128 UserName AS STRING * 25 'First name and Last name ;| 153 CityState AS STRING * 24 'City and State ; 177 Password AS STRING * 12 'Password ;| 189 BusPhone AS STRING * 13 'Business Phone Number ;| 202 HomePhone AS STRING * 13 'Home Phone Number ;| 215 LastOnDate AS STRING * 6 'Last Date on system (in yymmdd format) ;| 221 LastOnTime AS STRING * 5 'Last Time on system (in hh:mm format) ;| 226 Expert AS STRING * 1 'Expert Mode - "Y" or "N" ;| 227 Protocol AS STRING * 1 'Protocol ; 228 PackedFlags AS STRING * 1 'Dirty, ClrScrn, HasMail, DontAsk, Editor ;| 229 LastDirScan AS STRING * 6 'Last date looked at directory (in yymmdd format) ;| 235 SecLevel AS STRING * 1 'Security Level CHR$(X) ;| 236 TimesOn AS INTEGER 'Number of times on the system ; 238 PageLength AS STRING * 1 'Page Length CHR$(X) ; 239 Uploads AS INTEGER 'Number of Uploads ; 241 Downloads AS INTEGER 'Number of Downloads ; 243 DailyDlBytes AS STRING * 8 'Daily Download Bytes so far ;| 251 UserComment AS STRING * 30 'User Maintained Comment ;| 281 SysopComment AS STRING * 30 'Sysop Maintained Comment ;| 311 TimeSpent AS INTEGER 'Elapsed Time on system on last date called ;| 313 SubDate AS STRING * 6 'Subscription Registration Date (yymmdd format) ;| 319 ExpSecLevel AS STRING * 1 'Subscription Expired Security Level CHR$(X) ; 320 LastConference AS STRING * 1 'Last Conference left - CHR$(X) - 255 = Ext. ; 321 AreaReg AS STRING * 5 'Area Registration Info (1-39) BitMap ; 326 ExpAreaReg AS STRING * 5 'Expired Area Registration Info (1-39) BitMap ; 331 UserScanArea AS STRING * 5 'User Message Scan Areas (1-39) BitMap ; 336 TotalDownloads AS STRING * 8 'Total Bytes Download - all calls ; 344 TotalUploads AS STRING * 8 'Total Bytes Upload - all calls ; 352 Delete AS STRING * 1 'Positive Delete Flag to Delete User (Repack) ; 353 LastMsgMain AS STRING * 4 'Last message read in Main Board MKSMBF$() ; 357 LastMsgConf AS STRING * 156 'Last message read in Conferences 39 * 4 " ; ' (Gets overwritten by 3 date conversions) ; ' ( & numeric conversions) ; 513 InfPointer AS LONG 'Pointer into USERS.INF record ; 517 Space2 AS STRING * 9 'Reserved ; 526 ExtLastConference AS INTEGER 'Last Conference Left (If LastConf.$ = 255) DatBuffer EQU UserBuffer+400 ;PCBoard.Dat read in here ;and we buffer or conversions. CODE ENDS END Start