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cn8fil.a86
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1988-08-15
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; * * * * * * * * * * * * * * * version 2.9 * * * * * * * * * * * * * * *
; [34c] Add sorted wildcard SENDs with starting filename
; * * * * * * * * * * * * * * * version 2.8 * * * * * * * * * * * * * * *
; [32c] Allow replacement of output filename with trailer from RECEIVE.
; * * * * * * * * * * * * * * * version 2.7 * * * * * * * * * * * * * * *
; [31] Fix display of file renaming.
; RonB, 05/05/84
; [30c] Isolate ANSI escape sequences for machine independence.
; [29g] Add 8th bit quoting
; RonB, 04/15/84
; * * * * * * * * * * * * * * * version 2.6 * * * * * * * * * * * * * * *
; [28d] Improve input filename processing, allow valid special chars
; RonB, 03/27/84
; [23] Modification to GTCEOF to fix ASCII mode transfer
; * * * * * * * * * * * * * * * version 2.4 * * * * * * * * * * * * * * *
; [Rg] ^X/^Z file interruption. Slight mod to GTNFIL. Rg, 2/84
; * * * * * * * * * * * * * * * version 2.1 * * * * * * * * * * * * * * *
; [par] Added calls to set parity, strip parity on input if
; other than none parity is called for.
; JD, 2/84
; [16] Add file-mode ASCII or BINARY processing.
; RonB,01/02/84
; [11] Capitalize and parse filename being received.
; RonB,12/27/83
; [9] Fix filename parsing, and add wildcard ability.
; RonB,12/26/83
; * * * * * * * * * * * * * * * version 2.0 * * * * * * * * * * * * * * *
CSEG $
; Get the file name (including host to micro translation)
gofil: cld
push ds
pop es
mov si, offset data
mov di, offset fcb
mov al,0
stosb
mov cx,11
mov al,' '
rep stosb
mov cx,24
mov al,0
rep stosb
mov di, offset fcb+1
mov ah,0
gofil1: lodsb ;Get a filename character
cmp al,'.'
je gofil2
cmp al,0
je gofil4
cmp ah,8
jae gofil1
call gofl20 ;Capitalize, and replace strange chars ;[11]
stosb
inc ah
jmps gofil1
gofil2: mov di, offset fcb+9
mov ah,0
gofil3: lodsb ;Get a file type character
cmp al,'.'
je gofil4
cmp al,0
je gofil4
cmp ah,3
jae gofil4
call gofl20 ;Capitalize, and replace strange chars ;[11]
stosb
inc ah
jmps gofil3
gofil4: cmp byte ptr fcb+1,' ' ;Any chars in first field? ;[32c] begin
jne gofil5 ; if not, set filename to '&'
mov byte ptr fcb+1,'&'
gofil5: mov si, offset fcb2+11 ;Replace with RECEIVE trailer
mov di, offset fcb+11
mov temp2, di
mov ah,' '
gofl5b: mov al,[si] ;Get character from replacement filename
cmp al,'?'
je gofl5c
mov [di],al ;If not wild, simply replace existing letter
cmp al,' '
je gofl5c
mov ah,'-' ; and replace subsequent spaces with '-'
gofl5c: cmp byte ptr [di],' '
jne gofl5d ;Replace spaces in filename with filler char
mov [di],ah ; either a space or a '-'.
cmp ah,' '
jne gofl5d
mov temp2,di ;Mark location where last space occurred
gofl5d: dec di
dec si
cmp si,offset fcb2+8
jne gofl5e
mov ah,' '
gofl5e: cmp si,offset fcb2
jae gofl5b
sub temp2,di
dec temp2
cmp temp2,8
jbe gofl5f
mov temp2,8
gofl5f: call clrfln
mov dx, offset fcb ;Print the file name.
call tfile ;[32c] end
cmp flwflg, 0 ;Is file warning on?
jnz gofl5x
jmp gofil9 ;If not, just proceed.
gofl5x: mov dx, offset fcb
call openf ;See if the file exists.
cmp al, 0FFH ;Does it exist?
jnz gofil7
jmp gofil9 ;If not create it.
gofil7: mov dx, offset scrfr ;Move cursor.
call poscur ;[30c]
mov dx, offset infms5 ;Inform the user we are renaming the file.
call tmsg
mov cx, temp2 ;Get the length of the file name. ;[32c] begin
mov al, 0 ;Says if first field is full.
gofil8: cmp cl, 8 ;Is the first field full?
jne gofl81
mov al, 0FFH ;Set a flag saying so.
gofl81: mov bx, offset fcb ;Get the FCB.
add bx, cx ;Add in the character number.
mov ah, '&'
mov [bx], ah ;Replace the char with an ampersand.
push ax
push bx
push cx
mov dx, offset fcb ;See if the file exists.
call openf
pop cx
pop bx
cmp al, 0FFH ;Does it exist?
pop ax
jz gofl89 ;If not create it.
cmp al, 0 ;Get the flag.
jz gofl83
dec cl ;Decrement the number of chars.
cmp cl, 0
jz gofl88 ;If no more, die.
jmp gofl81
gofl83: inc cl ;Increment the number of chars.
jmp gofil8 ;[32c] end
gofl88: mov dx, offset screrr
call poscur ;[30c]
mov dx, offset ermes4 ;Tell the user that we can't rename it.
call tmsg
ret
gofl89: push dx
mov dx, offset fcb ;Print the file name. ;[31]
call tfile ;[31]
pop dx
gofil9: mov dx, offset fcb ;Delete the file if it exists.
call delete
mov dx, offset fcb ;Now create it.
call create
cmp al, 0FFH ;Is the disk full?
je gofl9x
jmp rskp
gofl9x: mov dx, offset screrr ;Position cursor.
call poscur ;[30c]
mov dx, offset erms11
call tmsg
ret
; Make sure character in al is a legal filename character: ;[11] begin
; Mask 8th bit, capitalize, and replace all illegal
; special characters with '#'
gofl20: and al, 7Fh ;mask eighth bit ;[28d]
cmp al, '0' ;Check for digit
jb gofl21
cmp al, '9'
jbe gofl23
cmp al, 'A' ;Check for uppercase letter
jb gofl21
cmp al, 'Z'
jbe gofl23
cmp al, 'a' ;Check for lowercase letter
jb gofl21
cmp al, 'z'
ja gofl21
and al, 5Fh ;Capitalize lowercase
jmps gofl23
gofl21: push di
mov di, offset spchar ;Special chars.
mov cx, 20 ;Twenty of them.
repne scasb ;Search string for input char.
je gofl22
mov al, '#' ;Replace illegal characters with '#'
gofl22: pop di ;[28d] end
gofl23: ret ;[11] end
; Get next filename from sorted directory list. Return skip on success,
; plain return at end.
getfil: cmp cxzflg, 'Z' ;[Rg] file interrupt flag set to 'Z'? ;[34c]
je gtfl9
mov si,dindex ;Any more entries in list?
cmp si,dircnt
jae gtfl9
cld
gtfl4: push ds
pop es
mov ds,word ptr membuf
mov cl,4
shl si,cl
inc si
push si
mov di,offset fcb2+1
mov cl,11
repe cmpsb
pop si
jae gtfl6 ;If above starting filename, use it
push es
pop ds
inc dindex
mov si,dindex
cmp si,dircnt
jb gtfl4
mov dx,offset erms28 ;No filenames below starting filename
call tcrmsg
jmps gtfl9
gtfl6: mov di,offset fcb+1
mov cx,11
rep movsb ;Move the name to the FCB
push es
pop ds
inc dindex ;Point to next entry
call getopn
jmp rskp
gtfl9: mov wldflg, 0 ;Reset wild card flag.
ret ;[34c] end
; open the file for sending
getopn: mov filflg, 0FFH ;Nothing in the DMA.
mov eoflag, 0 ;Not the end of file.
mov dx, offset fcb
call openf ;Open the file.
ret
; Output the chars in a packet.
ptchr: mov temp1, ax ;Save the size.
mov bx, offset data ;Beginning of received packet data.
mov outpnt, bx ;Remember where we are.
mov ch, rquote ;Quote char.
ptchr1: dec temp1 ;Decrement # of chars in packet.
jnl pt1
jmp rskp ;Return successfully if done.
pt1: dec chrcnt ;Decrement number of chars in dta.
jns ptchr2 ;Continue if space left.
call outbuf ;Output it if full.
jmp r ; Error return if disk is full.
ptchr2: mov bx, outpnt ;Get position in packet data buffer.
mov ah, [bx] ;Grab a char
inc bx
mov outpnt, bx ;and bump pointer.
mov al, 00h ;First assume no 8th bit ;[29g] begin
cmp ebquot, 'N' ;No 8th bit if we can't quote
je ptch21
cmp ebquot, 'Y' ; or if we can but aren't.
je ptch21
cmp ah, ebquot ;Is this the 8th bit quote character?
jne ptch21
mov ah, [bx] ;Get the quoted character
inc bx
mov outpnt, bx
dec temp1 ;Decrement # of chars in packet.
mov al, 80h ;Set the 8th bit. ;[29g] end
ptch21: cmp ah, ch ;Is it the quote char?
jne ptchr4 ;If not proceed.
mov ah, [bx] ;Get the quoted character
inc bx
mov outpnt, bx ;and bump pointer.
dec temp1 ;Decrement # of chars in packet.
mov dl, ah ;Save the parity bit in dl. ;[29g] begin
and dl, 80H
and ah, 7FH ;Turn off the parity bit.
cmp ah, ch ;Is it the quote char?
je ptchr3 ;If so just go write it out.
cmp ebquot, 'N' ;No 8th bit if we can't quote
je ptch22
cmp ebquot, 'Y' ; or if we can but aren't.
je ptch22
cmp ah, ebquot ;Is this the 8th bit quote character?
je ptchr3 ;If so, just go write it out.
ptch22: add ah, 40H ;Make it a control char again. ;[29g] end
and ah, 7FH ;Modulo 128.
ptchr3: or ah, dl ;Or in the parity bit.
ptchr4: or ah, al ;Or in the quoted 8th bit. ;[29g]
mov bx, bufpnt ;Destination buffer.
mov [bx], ah ;Store it.
inc bx
mov bufpnt, bx ;Update the pointer
jmp ptchr1 ;and loop to next char.
; output the buffer, reset bufpnt and chrcnt
outbuf: push bx
push cx
mov dx, offset fcb
call soutr ;Write the record.
pop cx
pop bx
cmp al, 0 ;Successful.
jz outbf1
cmp al, 1
jz outbf0
mov dx, offset screrr
call poscur ;[30c]
mov dx, offset erms17 ;Record length exceeds DTA.
call tmsg
ret
outbf0: mov dx, offset screrr
call poscur ;[30c]
mov dx, offset erms11 ;Disk full error.
call tmsg
ret
outbf1: mov bx, offset dma ;Addr for beginning.
mov bufpnt, bx ;Store addr for beginning.
mov ax, bufsiz-1 ;Buffer size.
mov chrcnt, ax ;Number of chars left.
jmp rskp
; Get the chars from the file.
gtchr: mov ch, squote ;Keep quote char in c.
cmp filflg, 0 ;Is there anything in the DMA?
jz gtchr0 ;Yup, proceed.
mov cl, 0 ;No chars yet.
call inbuf
jmp gtceof ;No more chars, go return EOF.
gtchr0: mov al, spsiz ;Get the maximum packet size.
sub al, 5 ;Subtract the overhead.
mov ah, 0
mov temp1, ax ;Number of chars we're to get.
mov bx, offset filbuf ;Where to put the data.
mov cbfptr, bx ;Remember where we are.
mov cl, 0 ;No chars.
gtchr1: dec temp1 ;Decrement the number of chars left.
jns gtchr2 ;Go on if there is more than one left.
mov al, cl ;Return the count in A.
mov ah, 0
jmp rskp
gtchr2: mov ax, chrcnt
dec ax
jl gtchr3
mov chrcnt, ax
jmp gtchr4
gtchr3: call inbuf ;Get another buffer full.
jmp gtceof
cmp chrcnt, 0
jne gtchr4
sub cl, 2 ;Don't count controllified Z.
mov al, cl
mov ah, 0
jmp rskp
gtchr4: mov bx, bufpnt ;Position in DMA.
mov ah, [bx] ;Get a char from the file.
inc bx
mov bufpnt, bx
cmp ebquot, 'N' ;Can we not do 8th bit quoting? ;[29g] begin
je gtch41
cmp ebquot, 'Y' ;Or are we not?
je gtch41
mov dh, ah
and ah, 7Fh
and dh, 80h ;Is the 8th bit set?
je gtch41 ;If not, no need for quoting
dec temp1 ;Decrement the number of characters left
mov dh, ebquot ;Insert 8th bit quote char. in packet buffer
mov bx, cbfptr
mov [bx], dh
inc cbfptr
inc cl ;Count the character
gtch41: mov dl, ah ;Save the char. ;[29g] end
and dl, 80H ;Turn off all but parity.
and ah, 7FH ;Turn off the parity.
cmp ah, ' ' ;Compare to a space.
jl gtchr5 ;If less then its a control char, handle it.
cmp ah, del ;Is the char a delete?
jz gtchr5 ;Go quote it.
cmp ah, ch ;Is it the quote char?
je gtch42 ;If so, insert it in the buffer ;[29g] begin
cmp ebquot, 'N' ;Can we not do 8th bit quoting?
je gtchr8
cmp ebquot, 'Y' ;Or are we not?
je gtchr8
cmp ah, ebquot ;Is this the 8th bit quote character?
jne gtchr8 ;If not, proceed
gtch42: dec temp1 ;Decrement the chars remaining. ;[29g] end
mov bx, cbfptr ;Position in character buffer.
mov [bx], ch ;Precede char with send quote.
inc cbfptr
inc cl ;Increment the char count.
jmp gtchr8
gtchr5: or ah, dl ;Turn on the parity bit.
cmp ah, ('Z'-100O) ;Is it a ^Z?
jne gtchr7 ;If not just proceed.
cmp binflg, 0 ;ASCII file? ;[16] begin
je gtceof ;If so, terminate
cmp eoflag, 0 ;EOF flag set? ;[16] end
jz gtchr6 ;If not just go on.
mov bx, bufpnt
mov ax, chrcnt
mov dh, al ;Get number of chars left in DMA.
gtch51: dec dh
jns gtch52 ;Any chars left?
mov chrcnt, 0 ;If not, say so.
mov al, cl ;Return the count in A.
mov ah, 0
jmp rskp
gtch52: mov ah, [bx] ;Get the next char.
inc bx ;Move the pointer.
cmp ah, ('Z'-100O) ;Is it a ^Z?
jz gtch51 ;If so see if they rest are.
gtchr6: mov ah, ('Z'-100O) ;Restore the ^Z.
gtchr7: xchg ah, al
mov ah, 0
mov temp2, ax ;Save the char.
dec temp1 ;Decrement char counter.
mov bx, cbfptr ;Position in character buffer.
mov [bx], ch ;Put the quote in the buffer.
inc cbfptr
inc cl ;Increment the char count.
mov ax, temp2 ;Get the control char back.
xchg al, ah
add ah, 40H ;Make the non-control.
and ah, 7FH ;Modulo 200 octal.
gtchr8: or dl, dl ;Do we have parity? ;[29g]
jz gtch81 ;If not, just send it. ;[29g]
or ah, dl ;Or in the parity bit.
cmp parflg,parnon ;[par] no parity?
je gtch81 ;[par] yes, keep going
and ah,7fh ;[par] else turn off parity from file
;[par]*** should probably mention that we're losing eighth bit here
push ax ;[29g] begin
push cx
mov dx, offset scrhi ;mention that high bit is being lost
call poscur ;[30c]
mov dx, offset hibit
call tmsg
pop cx
pop ax ;[29g] end
gtch81: mov bx, cbfptr ;Position in character buffer.
mov [bx], ah ;Put the char in the buffer.
inc cbfptr
inc cl ;Increment the char count.
jmp gtchr1 ;Go around again.
gtceof: cmp cl, 0 ;Had we gotten any data?
je gteof0 ;Nope.
mov filflg,0FFh ;[23] fix ASCII extra buffers at eof
mov eoflag,0FFh ;[23]
mov al, cl
mov ah, 0
jmp rskp
gteof0: mov ah, 0FFH ;Get a minus one.
ret
;Input the next DMA buffer.
inbuf: mov ah, eoflag ;Have we reached the end?
cmp ah, 0
jz inbuf0
ret ;Return if set.
inbuf0: push bx
push cx
mov bx, offset dma ;Set the r/w buffer pointer.
mov bufpnt, bx
mov dx, offset fcb
call sinr
cmp al, 0 ;End of file?
je inbuf1 ;Still have data left.
mov eoflag, 0FFH ;Set End-of-file.
mov filflg, 0 ;Buffer not empty.
mov chrcnt, 0 ;Say no characters.
pop cx
pop bx
ret
inbuf1: mov al, 80H ;Use as counter for number of chars read.
pop cx
pop bx
cmp filflg, 0 ;Ever used DMS?
jnz inbf21 ;Nope, then don't change count.
dec al ;Fix boundary error.
inbf21: mov ah, 0 ;Zero the flag (buffer not empty).
mov chrcnt, ax ;Number of chars read from file.
mov filflg, 0 ;Buffer not empty.
jmp rskp
DSEG $
temp1 dw 0
temp2 dw 0
dma rb 80H
filbuf rb 60H ;Character buffer.
cpfcb rb 25H ;Save FCB in case of "*".
rdbuf rb 80H
cnt dw 0
fcb rb 36
fcb2 rb 12 ;replacement receive filename ;[32c]
chrcnt dw 0 ;Number of chars in the file buffer.
filcnt dw 0 ;Number of chars left to fill.
outpnt dw 0 ;Position in packet.
bufpnt dw 0 ;Position in file buffer.
fcbptr dw 0 ;Position in FCB.
datptr dw 0 ;Position in packet data buffer.
cbfptr dw 0 ;Position in character buffer.
siz dw 0 ;Size of data from gtchr.
filflg db 0 ;Non-zero when nothing in DMA buffer.
filsiz rw 02H ;Double word for filesize (in bytes.)
eoflag db 0 ;EOF flag;non-zero on EOF.
binflg db 0 ;ASCII/Binary flag - 0 if ASCII file ;[16]
wldflg db 0 ;Assume no "*" in fn.