477 lines
14 KiB
NASM
477 lines
14 KiB
NASM
TITLE CHKDSK Messages
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FALSE EQU 0
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TRUE EQU NOT FALSE
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.xlist
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.xcref
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INCLUDE DOSSYM.ASM
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;The DOST: prefix is a DEC TOPS/20 directory prefix. Remove it for
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; assembly in MS-DOS assembly environments using MASM. The DOSSYM.ASM
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; file must exist though, it is included with OEM distribution.
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.cref
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.list
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CODE SEGMENT PUBLIC BYTE
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CODE ENDS
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CONST SEGMENT PUBLIC BYTE
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EXTRN HIDSIZ:WORD,HIDCNT:WORD,DIRCNT:WORD,DIRSIZ:WORD,FILCNT:WORD
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EXTRN FILSIZ:WORD,ORPHCNT:WORD,ORPHSIZ:WORD,BADSIZ:WORD,LCLUS:WORD
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EXTRN DOFIX:BYTE
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CONST ENDS
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DATA SEGMENT PUBLIC BYTE
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EXTRN DSIZE:WORD
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DATA ENDS
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DG GROUP CODE,CONST,DATA
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CODE SEGMENT PUBLIC BYTE
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ASSUME CS:DG,DS:DG,ES:DG,SS:DG
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PUBLIC RDSKERR,WDSKERR,SETSWITCH,PROMPTYN,DOINT26,CHAINREPORT,REPORT
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EXTRN RDONE:NEAR,PRTCHR:NEAR,PRINT:NEAR,DOCRLF:NEAR
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EXTRN DISP16BITS:NEAR,FINDCHAIN:NEAR
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EXTRN DISP32BITS:NEAR,DISPCLUS:NEAR
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DOINT26:
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PUSH CX
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PUSH AX
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PUSH DX
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PUSH BX
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INT 26H
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MOV [HECODE],AL
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POP AX ;FLAGS
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POP BX
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POP DX
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POP AX
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POP CX
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JNC RET23
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MOV SI,OFFSET DG:WRITING
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CALL DSKERR
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JZ DOINT26
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RET23: RET
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RDSKERR:
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MOV SI,OFFSET DG:READING
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JMP SHORT DSKERR
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WDSKERR:
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MOV SI,OFFSET DG:WRITING
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DSKERR:
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PUSH AX
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PUSH BX
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PUSH CX
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PUSH DX
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PUSH DI
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PUSH ES
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MOV AL,[HECODE]
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CMP AL,12
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JBE HAVCOD
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MOV AL,12
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HAVCOD:
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XOR AH,AH
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MOV DI,AX
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SHL DI,1
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MOV DX,WORD PTR [DI+MESBAS] ; Get pointer to error message
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CALL PRINT ; Print error type
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MOV DX,OFFSET DG:ERRMES
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CALL PRINT
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MOV DX,SI
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CALL PRINT
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MOV DX,OFFSET DG:DRVMES
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CALL PRINT
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ASK:
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MOV DX,OFFSET DG:REQUEST
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CALL PRINT
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MOV AX,(STD_CON_INPUT_FLUSH SHL 8)+STD_CON_INPUT
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INT 21H ; Get response
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PUSH AX
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CALL DOCRLF
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POP AX
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OR AL,20H ; Convert to lower case
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CMP AL,"i" ; Ignore?
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JZ EEXITNZ
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CMP AL,"r" ; Retry?
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JZ EEXIT
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CMP AL,"a" ; Abort?
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JNZ ASK
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JMP RDONE
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EEXITNZ:
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OR AL,AL ; Resets zero flag
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EEXIT:
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POP ES
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POP DI
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POP DX
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POP CX
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POP BX
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POP AX
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RET
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PROMPTYN:
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;Prompt message in DX
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;Prompt user for Y or N answer. Zero set if Y
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PUSH SI
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CALL PRINT
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PAGAIN:
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MOV DX,OFFSET DG:YES_NO
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CALL PRINT
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MOV DX,OFFSET DG:CONBUF
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MOV AH,STD_CON_STRING_INPUT
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INT 21H
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CALL DOCRLF
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MOV SI,OFFSET DG:CONBUF+2
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CMP BYTE PTR [SI-1],0
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JZ PAGAIN
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LODSB
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OR AL,20H ;Convert to lower case
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CMP AL,'y'
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JZ GOTANS
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CMP AL,'n'
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JZ GOTNANS
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JMP PAGAIN
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GOTNANS:
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OR AL,AL ;Reset zero
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GOTANS:
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POP SI
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RET
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SETSWITCH:
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;Look for F or V switch in command line
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MOV SI,80H
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LODSB
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MOV DI,SI
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MOV CL,AL
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XOR CH,CH
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JCXZ RET10 ;No parameters
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MOV AL,[SWITCHAR]
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MORESCAN:
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REPNZ SCASB
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JNZ RET10
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JCXZ BADSWITCHA
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MOV AH,[DI]
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INC DI
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OR AH,20H ;Convert to lower case
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CMP AH,'f'
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JNZ CHECKV
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INC [DOFIX]
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JMP SHORT CHEKMORE
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CHECKV:
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CMP AH,'v'
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JZ SETNOISY
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CALL BADSWITCH
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JMP SHORT CHEKMORE
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SETNOISY:
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INC [NOISY]
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CHEKMORE:
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LOOP MORESCAN
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RET
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BADSWITCHA:
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MOV AH,' ' ;Print a non switch
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BADSWITCH:
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PUSH AX
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MOV DL,[SWITCHAR]
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CALL PRTCHR
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POP AX
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PUSH AX
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MOV DL,AH
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CALL PRTCHR
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MOV DX,OFFSET DG:BADSWMES
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CALL PRINT
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POP AX
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RET10: RET
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;**************************************
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; Prints XXX lost clusters found in YYY chains message
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; On entry SI is the XXX value and the YYY value is
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; in ORPHCNT.
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; NOTE:
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; The DISP16BITS routine prints the number in DI:SI followed
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; by the message pointed to by BX. If it is desired to
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; print a message before the first number, point at the
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; message with DX and call PRINT.
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CHAINREPORT:
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XOR DI,DI
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MOV BX,OFFSET DG:ORPHMES2
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CALL DISP16BITS
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CALL FINDCHAIN
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MOV BX,OFFSET DG:CHNUMMES
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MOV SI,[ORPHCNT]
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XOR DI,DI
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CALL DISP16BITS ;Tell user how many chains found
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RET
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;*****************************************
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;Prints all of the reporting data
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;NOTE:
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; The DISPCLUS, DISP16BITS and DISP32BITS routines
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; print the number in DI:SI followed
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; by the message pointed to by BX. If it is desired to
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; print a message before the first number, point at the
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; message with DX and call PRINT.
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REPORT:
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MOV AX,[DSIZE]
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MOV BX,OFFSET DG:DSKSPC
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CALL DISPCLUS ;Total size
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CMP [HIDCNT],0
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JZ USERLIN
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MOV AX,[HIDSIZ] ;Hidden files
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MOV BX,OFFSET DG:INMES
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CALL DISPCLUS
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MOV SI,[HIDCNT]
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XOR DI,DI
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MOV BX,OFFSET DG:HIDMES
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CALL DISP16BITS
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USERLIN:
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CMP [DIRCNT],0
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JZ DIRLIN
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MOV AX,[DIRSIZ]
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MOV BX,OFFSET DG:INMES
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CALL DISPCLUS
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MOV SI,[DIRCNT]
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XOR DI,DI
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MOV BX,OFFSET DG:DIRMES
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CALL DISP16BITS
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DIRLIN:
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CMP [FILCNT],0
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JZ ORPHLIN
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MOV AX,[FILSIZ] ;Regular files
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MOV BX,OFFSET DG:INMES
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CALL DISPCLUS
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MOV SI,[FILCNT]
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XOR DI,DI
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MOV BX,OFFSET DG:FILEMES
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CALL DISP16BITS
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ORPHLIN:
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MOV AX,[ORPHSIZ]
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OR AX,AX
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JZ BADLIN
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MOV BX,OFFSET DG:INMES ;Orphans
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CMP [DOFIX],0
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JNZ ALLSET1
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MOV BX,OFFSET DG:INMES2 ;Orphans
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ALLSET1:
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CALL DISPCLUS
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MOV SI,[ORPHCNT]
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XOR DI,DI
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MOV BX,OFFSET DG:ORPHMES
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CALL DISP16BITS
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BADLIN:
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MOV AX,[BADSIZ]
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OR AX,AX
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JZ AVAILIN
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MOV BX,OFFSET DG:BADSPC ;Bad sectors
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CALL DISPCLUS
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AVAILIN:
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MOV AX,[DSIZE]
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SUB AX,[DIRSIZ]
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SUB AX,[FILSIZ]
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SUB AX,[HIDSIZ]
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SUB AX,[BADSIZ]
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SUB AX,[ORPHSIZ]
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SUB AX,[LCLUS]
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MOV BX,OFFSET DG:FRESPC
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CALL DISPCLUS ;Free space is whats left
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MOV AX,DS:WORD PTR [2] ;Find out about memory
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MOV DX,16
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MUL DX
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MOV SI,AX
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MOV DI,DX
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MOV BX,OFFSET DG:TOTMEM
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CALL DISP32BITS
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MOV AX,DS:WORD PTR [2]
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MOV DX,CS
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SUB AX,DX
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MOV DX,16
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MUL DX
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MOV SI,AX
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MOV DI,DX
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MOV BX,OFFSET DG:FREMEM
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CALL DISP32BITS
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RET
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CODE ENDS
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CONST SEGMENT PUBLIC BYTE
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EXTRN HECODE:BYTE,SWITCHAR:BYTE,NOISY:BYTE,DOFIX:BYTE,CONBUF:BYTE
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PUBLIC CRLF2,CRLF,BADVER,BADDRV
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PUBLIC BADSUBDIR,CENTRY,CLUSBAD,BADATT,BADSIZM
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PUBLIC FIXMES,DIRECMES,CDDDMES
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PUBLIC FREEBYMESF_PRE,FREEBYMES_PRE,FREEBYMESF_POST,FREEBYMES_POST
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PUBLIC CREATMES,NDOTMES
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PUBLIC BADTARG1,BADTARG2,BADCD,FATALMES,BADRDMES
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PUBLIC BADDRVM,STACKMES,BADDPBDIR
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PUBLIC BADDRVM2
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PUBLIC NULNZ,NULDMES,BADCLUS,NORECDOT
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PUBLIC NORECDDOT,IDMES1,IDPOST,VNAME,TCHAR
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PUBLIC MONTAB,BADREAD_PRE,BADREAD_POST,BADWRITE_PRE
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PUBLIC BADWRITE_POST,BADCHAIN,CROSSMES_PRE,CROSSMES_POST
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PUBLIC FREEMES
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PUBLIC OPNERR
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PUBLIC CONTAINS,EXTENTS,NOEXTENTS,INDENT
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PUBLIC BADIDBYT,PTRANDIR,PTRANDIR2
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MESBAS DW OFFSET DG:ERR0
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DW OFFSET DG:ERR1
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DW OFFSET DG:ERR2
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DW OFFSET DG:ERR3
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DW OFFSET DG:ERR4
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DW OFFSET DG:ERR5
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DW OFFSET DG:ERR6
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DW OFFSET DG:ERR7
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DW OFFSET DG:ERR8
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DW OFFSET DG:ERR9
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DW OFFSET DG:ERR10
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DW OFFSET DG:ERR11
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DW OFFSET DG:ERR12
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CRLF2 DB 13,10
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CRLF DB 13,10,"$"
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;Messages
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BADVER DB "Incorrect DOS version",13,10,"$"
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BADDRV DB "Invalid drive specification$"
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BADSWMES DB " Invalid parameter",13,10,"$"
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BADSUBDIR DB " Invalid sub-directory entry.",13,10,"$"
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CENTRY DB " Entry has a bad $"
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CLUSBAD DB " link$"
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BADATT DB " attribute$"
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BADSIZM DB " size$"
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;"BADTARG1<name of dir followed by CR LF>BADTARG2"
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BADTARG1 DB "Cannot CHDIR to $"
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BADTARG2 DB " tree past this point not processed.",13,10,"$"
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BADCD DB "Cannot CHDIR to root",13,10,"$"
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FATALMES DB "Processing cannot continue.",13,10,"$"
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BADRDMES DB "File allocation table bad drive "
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BADDRVM DB "A.",13,10,"$"
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STACKMES DB "Insufficient memory.",13,10,"$"
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BADDPBDIR DB "Invalid current directory.",13,10,"$"
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;INT 24 MESSAGE SHOULD AGREE WITH COMMAND
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READING DB "read$"
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WRITING DB "writ$"
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ERRMES DB " error $"
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DRVMES DB "ing drive "
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BADDRVM2 DB "A",13,10,"$"
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REQUEST DB "Abort, Retry, Ignore? $"
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ERR0 DB "Write protect$"
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ERR1 DB "Bad unit$"
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ERR2 DB "Not ready$"
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ERR3 DB "Bad command$"
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ERR4 DB "Data$"
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ERR5 DB "Bad call format$"
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ERR6 DB "Seek$"
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ERR7 DB "Non-DOS disk$"
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ERR8 DB "Sector not found$"
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ERR9 DB "No paper$"
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ERR10 DB "Write fault$"
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ERR11 DB "Read fault$"
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ERR12 DB "Disk$"
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NDOTMES DB " Does not exist.",13,10,"$"
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NULNZ DB " First cluster number is invalid,",13,10
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DB " entry truncated.",13,10,"$"
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NULDMES DB " Directory is totally empty, no . or ..",13,10,"$"
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BADCLUS DB " Allocation error, size adjusted.",13,10,"$"
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NORECDOT DB " Cannot recover . entry, processing continued.",13,10,"$"
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NORECDDOT DB " Cannot recover .. entry,"
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;VOLUME ID
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;"IDMES1/name at VNAME<date and time>IDPOST"
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IDPOST DB 13,10,"$" ;WARNING this is currently the tail of
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; the previos message!!!
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IDMES1 DB "Volume "
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VNAME DB 12 DUP(' ')
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DB "created $"
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TCHAR DB 'a'
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MONTAB DB "JanFebMarAprMayJunJulAugSepOctNovDec"
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;"BADREAD_PRE<# of FAT>BADREAD_POST"
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BADREAD_PRE DB "Disk error reading FAT $"
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;"BADWRITE_PRE<# of FAT>BADWRITE_POST"
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BADWRITE_PRE DB "Disk error writing FAT $"
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BADCHAIN DB " Has invalid cluster, file truncated."
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BADREAD_POST LABEL BYTE
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BADWRITE_POST LABEL BYTE
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;"<name of file followed by CR LF>CROSSMES_PRE<# of cluster>CROSSMES_POST"
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CROSSMES_POST DB 13,10,"$" ;WARNING Is tail of previos messages
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CROSSMES_PRE DB " Is cross linked on cluster $"
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;CHAINREPORT messages
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ORPHMES2 DB " lost clusters found in $"
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CHNUMMES DB " chains.",13,10,"$"
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FREEMES DB "Convert lost chains to files $"
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;REPORT messages
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ORPHMES DB " recovered files",13,10,"$"
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DSKSPC DB " bytes total disk space",13,10,"$"
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INMES DB " bytes in $"
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INMES2 DB " bytes would be in",13,10
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DB " $"
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FILEMES DB " user files",13,10,"$"
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BADSPC DB " bytes in bad sectors",13,10,"$"
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HIDMES DB " hidden files",13,10,"$"
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DIRMES DB " directories",13,10,"$"
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FRESPC DB " bytes available on disk",13,10,13,10,"$"
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TOTMEM DB " bytes total memory",13,10,"$"
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FREMEM DB " bytes free",13,10,13,10,"$"
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;"<filename followed by CR LF>CONTAINS<# non-contig blocks>EXTENTS"
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CONTAINS DB " Contains $"
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EXTENTS DB " non-contiguous blocks.",13,10,"$"
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NOEXTENTS DB "All specified file(s) are contiguous.",13,10,"$"
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INDENT DB " $"
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BADIDBYT DB "Probable non-DOS disk."
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DB 13,10,"Continue $"
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YES_NO DB "(Y/N)? $"
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PTRANDIR DB " Unrecoverable error in directory.",13,10
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PTRANDIR2 DB " Convert directory to file $"
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FIXMES DB 13,10,"Errors found, F parameter not specified."
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DB 13,10,"Corrections will not be written to disk.",13,10,13,10,"$"
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DIRECMES DB "Directory $"
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CDDDMES DB " CHDIR .. failed, trying alternate method.",13,10,"$"
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FREEBYMESF_POST DB " bytes disk space freed.",13,10
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FREEBYMESF_PRE DB "$"
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FREEBYMES_POST DB " bytes disk space",13,10
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DB " would be freed.",13,10
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FREEBYMES_PRE DB "$"
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CREATMES DB "Insufficient room in root directory."
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DB 13,10,"Erase files in root and repeat CHKDSK.",13,10,"$"
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OPNERR DB " File not found.",13,10,"$"
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CONST ENDS
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END
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