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Text File | 1990-12-28 | 46.1 KB | 2,447 lines |
- Newsgroups: alt.sources
- From: nelson@sun.soe.clarkson.edu (Russ Nelson)
- Subject: showface, a face file viewer for the PC
- Message-ID: <NELSON.90Sep26212846@image.clarkson.edu>
- Date: 26 Sep 90 21:28:46
-
- #!/bin/sh
- # shar: Shell Archiver (v1.22)
- #
- # Run the following text with /bin/sh to create:
- # README
- # chrout.asm
- # decout.asm
- # digout.asm
- # getdig.asm
- # getnum.asm
- # showface.asm
- # showface.com
- # skipblk.asm
- #
- sed 's/^X//' << 'SHAR_EOF' > README &&
- XThis is the readme file for showface, a PC program for viewing
- Xface files as found on uunet.uu.net:/faces. It requires an EGA or VGA.
- X
- SHAR_EOF
- chmod 0644 README || echo "restore of README fails"
- sed 's/^X//' << 'SHAR_EOF' > chrout.asm &&
- X;put into the public domain by Russell Nelson, nelson@clutx.clarkson.edu
- X
- X public chrout
- Xchrout:
- X push ax ;print the char in al.
- X push dx
- X mov dl,al
- X mov ah,2
- X int 21h
- X pop dx
- X pop ax
- X ret
- SHAR_EOF
- chmod 0644 chrout.asm || echo "restore of chrout.asm fails"
- sed 's/^X//' << 'SHAR_EOF' > decout.asm &&
- X;put into the public domain by Russell Nelson, nelson@clutx.clarkson.edu
- X
- X public decout
- Xdecout:
- X mov si,ax ;get the number where we want it.
- X mov di,dx
- X or ax,dx ;is the number zero?
- X jne decout_nonzero
- X mov al,'0' ;yes - easier to just print it, than
- X jmp chrout ; to eliminate all but the last zero.
- Xdecout_nonzero:
- X
- X xor ax,ax ;start with all zeroes in al,bx,bp
- X mov bx,ax
- X mov bp,ax
- X
- X mov cx,32 ;32 bits in two 16 bit registers.
- Xdecout_1:
- X shl si,1
- X rcl di,1
- X xchg bp,ax
- X call addbit
- X xchg bp,ax
- X xchg bx,ax
- X call addbit
- X xchg bx,ax
- X adc al,al
- X daa
- X loop decout_1
- X
- X mov cl,'0' ;prepare to eliminate leading zeroes.
- X call byteout ;output the first two.
- X mov ax,bx ;output the next four
- X call wordout ;output the next four
- X mov ax,bp
- X jmp wordout
- X
- Xaddbit: adc al,al
- X daa
- X xchg al,ah
- X adc al,al
- X daa
- X xchg al,ah
- X ret
- X
- SHAR_EOF
- chmod 0644 decout.asm || echo "restore of decout.asm fails"
- sed 's/^X//' << 'SHAR_EOF' > digout.asm &&
- X;put into the public domain by Russell Nelson, nelson@clutx.clarkson.edu
- X
- X public dwordout, wordout, byteout, digout
- Xdwordout:
- X mov cl,'0' ;prepare to eliminate leading zeroes.
- X xchg ax,dx ;just output 32 bits in hex.
- X call wordout ;output dx.
- X xchg ax,dx
- Xwordout:
- X push ax
- X mov al,ah
- X call byteout
- X pop ax
- Xbyteout:
- X mov ah,al
- X shr al,1
- X shr al,1
- X shr al,1
- X shr al,1
- X call digout
- X mov al,ah
- Xdigout:
- X and al,0fh
- X add al,90h ;binary digit to ascii hex digit.
- X daa
- X adc al,40h
- X daa
- X cmp al,cl ;leading zero?
- X je digout_1
- X mov cl,-1 ;no more leading zeros.
- X jmp chrout
- Xdigout_1:
- X retSHAR_EOF
- chmod 0644 digout.asm || echo "restore of digout.asm fails"
- sed 's/^X//' << 'SHAR_EOF' > getdig.asm &&
- X;put into the public domain by Russell Nelson, nelson@clutx.clarkson.edu
- X
- X public get_digit
- Xget_digit:
- X;enter with al = character
- X;return nc, al=digit, or cy if not a digit.
- X cmp al,'0' ;decimal digit?
- X jb get_digit_1 ;no.
- X cmp al,'9' ;. .?
- X ja get_digit_2 ;no.
- X sub al,'0'
- X clc
- X ret
- Xget_digit_2:
- X cmp al,'a' ;hex digit?
- X jb get_digit_3
- X cmp al,'f' ;hex digit?
- X ja get_digit_3
- X sub al,'a'-10
- X clc
- X ret
- Xget_digit_3:
- X cmp al,'A' ;hex digit?
- X jb get_digit_1
- X cmp al,'F' ;hex digit?
- X ja get_digit_1
- X sub al,'A'-10
- X clc
- X ret
- Xget_digit_1:
- X stc
- X ret
- X
- X
- SHAR_EOF
- chmod 0644 getdig.asm || echo "restore of getdig.asm fails"
- sed 's/^X//' << 'SHAR_EOF' > getnum.asm &&
- X;put into the public domain by Russell Nelson, nelson@clutx.clarkson.edu
- X
- X public get_number
- Xget_number:
- X mov bp,10 ;we default to 10.
- X jmp short get_number_0
- X
- X public get_hex
- Xget_hex:
- X mov bp,16
- X;get a hex number, skipping leading blanks.
- X;enter with si->string of digits,
- X; di -> dword to store the number in. [di] is not modified if no
- X; digits are given, so it acts as the default.
- X;return cy if there are no digits at all.
- X;return nc, bx:cx = number, and store bx:cx at [di].
- Xget_number_0:
- X call skip_blanks
- X call get_digit ;is there really a number here?
- X jc get_number_3
- X or al,al ;Does the number begin with zero?
- X jne get_number_4 ;no.
- X mov bp,8 ;yes - they want octal.
- Xget_number_4:
- X
- X xor cx,cx ;get a hex number.
- X xor bx,bx
- Xget_number_1:
- X lodsb
- X cmp al,'x' ;did they really want hex?
- X je get_number_5 ;yes.
- X cmp al,'X' ;did they really want hex?
- X je get_number_5 ;yes.
- X call get_digit ;convert a character into an int.
- X jc get_number_2 ;not a digit (neither hex nor dec).
- X xor ah,ah
- X cmp ax,bp ;larger than our base?
- X jae get_number_2 ;yes.
- X
- X push ax ;save the new digit.
- X
- X mov ax,bp ;multiply the low word by ten.
- X mul cx
- X mov cx,ax ;keep the low word.
- X push dx ;save the high word for later.
- X mov ax,bp
- X mul bx
- X mov bx,ax ;we keep only the low word (which is our high word)
- X pop dx
- X add bx,dx ;add the high result from earlier.
- X
- X pop ax ;get the new digit back.
- X add cx,ax ;add the new digit in.
- X adc bx,0
- X jmp get_number_1
- Xget_number_5:
- X mov bp,16 ;change the base to hex.
- X jmp get_number_1
- Xget_number_2:
- X dec si
- X mov [di],cx ;store the parsed number.
- X mov [di+2],bx
- X clc
- X jmp short get_number_6
- Xget_number_3:
- X cmp al,'?' ;did they ask for the default?
- X stc
- X jne get_number_6 ;no, return cy.
- X add si,2 ;skip past the question mark.
- X mov cx,-1
- X mov bx,-1
- X jmp get_number_2 ;and return the -1.
- Xget_number_6:
- X ret
- SHAR_EOF
- chmod 0644 getnum.asm || echo "restore of getnum.asm fails"
- sed 's/^X//' << 'SHAR_EOF' > showface.asm &&
- X;History:610,1
- X
- XMAJVER EQU 1 ;1.0
- XVERSION EQU 0
- X
- X; Russell Nelson, Clarkson University. December 24, 1989
- X; Copyright, 1989, Russell Nelson
- X
- X; This program is free software; you can redistribute it and/or modify
- X; it under the terms of the GNU General Public License as published by
- X; the Free Software Foundation, version 1.
- X;
- X; This program is distributed in the hope that it will be useful,
- X; but WITHOUT ANY WARRANTY; without even the implied warranty of
- X; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- X; GNU General Public License for more details.
- X;
- X; You should have received a copy of the GNU General Public License
- X; along with this program; if not, write to the Free Software
- X; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- X
- Xcode segment byte public
- X assume cs:code, ds:code
- X
- XHT equ 09h
- XCR equ 0dh
- XLF equ 0ah
- X
- Xfont_struc struc
- Xascent dw ? ;number of pixels above base line
- Xdescent dw ? ;number of pixels below base line
- XwidMax dw ? ;number of pixels wide
- Xleading dw ? ;number of pixels below descent and above ascent
- Xfont_struc ends
- X
- Xsegmoffs struc ; defines offs as 0, segm as 2
- Xoffs dw ?
- Xsegm dw ?
- Xsegmoffs ends
- X
- X org 80h
- Xphd_dioa label byte
- X
- X org 100h
- Xstart:
- X jmp start_1
- X
- Xno_ega_msg db "showface: You must have an EGA or VGA display.",CR,LF,'$'
- Xcopyleft_msg label byte
- X db "Face viewer version ",'0'+majver,".",'0'+version," Copyright 1990, Russell Nelson.",CR,LF
- X db "This program is free software; see the file COPYING for details.",CR,LF
- X db "NO WARRANTY; see the file COPYING for details.",CR,LF
- Xcrlf_msg db CR,LF,'$'
- X
- Xprompt_msg db "Filename: ",'$'
- X
- Xfile_not_found db "File not found",'$'
- Xread_trouble db "Trouble reading the file",'$'
- Xread_too_much db "The file is too large",'$'
- X
- Xfirstn db "FirstName",0
- Xlastn db "LastName",0
- Xpicdata db "PicData",0
- Xfacedat db 0
- Xxsize dw ?,?
- Xysize dw ?,?
- X
- Xffblk label byte
- Xff_reserved db 21 dup(?)
- Xff_attrib db ?
- Xff_ftime dw ?
- Xff_fdate dw ?
- Xff_fsize dd ?
- Xff_name db 13 dup(?)
- X
- Xour_fn db 64 dup(?)
- X
- Xulpal db 20 dup(00h)
- X db 20 dup(09h)
- X db 20 dup(0bh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(07h)
- X db 20 dup(07h)
- X db 20 dup(07h)
- X db 20 dup(07h)
- Xurpal db 20 dup(00h)
- X db 20 dup(00h)
- X db 20 dup(0ch)
- X db 20 dup(0eh)
- X db 20 dup(0fh)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(07h)
- Xllpal db 20 dup(00h)
- X db 20 dup(0ch)
- X db 20 dup(0ch)
- X db 20 dup(0dh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(07h)
- X db 20 dup(07h)
- Xlrpal db 20 dup(00h)
- X db 20 dup(0ah)
- X db 20 dup(0bh)
- X db 20 dup(0bh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(0fh)
- X db 20 dup(08h)
- X db 20 dup(08h)
- X db 20 dup(07h)
- X db 20 dup(07h)
- X db 20 dup(07h)
- X
- Xsave_dacs db 256 * 3 dup(?)
- Xgray_dacs db 256 * 3 dup(?)
- X
- X
- Xerror:
- X mov ah,9
- X int 21h
- X mov ax,4c0ah ; give errorlevel 10
- X int 21h
- X
- Xstart_1:
- X mov dx,offset copyleft_msg
- X mov ah,9
- X int 21h
- X
- X mov ax,1200h ;test for an EGA
- X mov bx,10h
- X mov cx,-1
- X int 10h
- X cmp cx,-1
- X jne start_4 ;go if we've got an EGA (or VGA).
- X mov dx,offset no_ega_msg
- X jmp error
- Xstart_4:
- X
- X mov dx,offset ffblk ;set up for wildcards.
- X mov ah,1ah
- X int 21h
- X
- X cld
- X mov si,offset phd_dioa+1
- X call skip_blanks ;end of line?
- X cmp al,CR
- X je start_2
- X
- X call find_files ;find all the files that match this spec.
- X jc error
- X
- X jmp short start_3 ;all done.
- X
- Xstart_2:
- X mov phd_dioa[0],128 ;get set for a line input dos call.
- X mov phd_dioa[1],0
- X mov phd_dioa[2],CR
- X
- X mov dx,offset prompt_msg ;prompt them for a filename.
- X mov ah,9
- X int 21h
- X
- X mov dx,offset phd_dioa ;read the line.
- X mov ah,0ah
- X int 21h
- X
- X mov al,LF ;obligingly line feed for them.
- X call chrout
- X
- X mov si,offset phd_dioa+2
- X call skip_blanks ;end of line?
- X cmp al,CR ;if so, we're done.
- X je start_3
- X
- X call find_files ;find all the files that match.
- X jnc start_5
- X mov ah,9 ;print the error message.
- X int 21h
- Xstart_5:
- X jmp start_2
- X
- Xstart_3:
- X mov ax,4c00h ;terminate.
- X int 21h
- X
- X
- Xfind_files:
- X;enter with si -> list of filenames (possibly w/ wildcards) to show.
- X;exit with cy if we couldn't find one of the files.
- Xfind_name_end:
- X mov di,offset our_fn
- X mov dx,di
- Xfind_name_end_1:
- X lodsb ;find the end of the filename.
- X stosb
- X cmp al,'/' ;whenever we encounter a pathname char,
- X je find_name_end_4 ; remember it.
- X cmp al,'\'
- X jne find_name_end_3
- Xfind_name_end_4:
- X mov dx,di ;found a path char, remember it.
- Xfind_name_end_3:
- X cmp al,' '
- X je find_name_end_2
- X cmp al,CR
- X jne find_name_end_1
- Xfind_name_end_2:
- X dec si ;point si to terminator.
- X push si ;->end of filename in input.
- X mov byte ptr [di-1],0 ;terminate pathname in our_fn.
- X mov di,dx ;->end of pathname in our_fn.
- X
- X mov dx,offset our_fn
- X mov ah,4eh ;find the first file.
- X mov cx,0 ;no special files
- Xfind_one_file:
- X int 21h ;find a file.
- X jc find_files_done
- X
- X push di
- X mov si,offset ff_name ;append the found name to the pathname.
- Xfind_one_file_1:
- X lodsb
- X stosb
- X or al,al
- X jne find_one_file_1
- X
- X mov dx,offset our_fn ;show a single file.
- X call show_face
- X
- X pop di
- X jc find_files_error
- X
- X mov ah,4fh ;find next file.
- X jmp find_one_file
- X
- Xfind_files_done:
- X pop si ;restore the terminator.
- X call skip_blanks ;end of line?
- X cmp al,CR
- X jne find_name_end ;no, more files to do.
- X
- X clc
- X ret
- Xfind_files_error:
- X pop si ;give up now if we can't find it.
- X ret
- X
- X
- Xshow_face:
- X;read the face info. from the file named in [dx].
- X;return cy if we can't open the file.
- X
- X call read_file
- X jnc show_face_1
- X ret
- Xshow_face_1:
- X
- X mov di,offset picdata ;get the size of the image.
- X call find_header
- X
- X mov di,offset xsize ;get their image size.
- X call get_number
- X
- X mov di,offset ysize
- X call get_number
- X
- X;test for VGA.
- X mov ax,1a00h
- X int 10h
- X cmp al,1ah
- X je have_vga
- X
- X jmp have_ega
- X
- Xhave_vga:
- X
- X mov ax,13h ;put the screen into vga mode.
- X int 10h
- X
- X call pal_save ;save the palette
- X call pal_setgrey ;set to a gray palette.
- X
- X mov di,offset firstn ;get their first name.
- X call find_header
- X
- X mov cx,130 ;put it to the screen.
- X mov dx,10
- X call show_name
- X
- X mov al,' ' ;put a space between first and last names.
- X call write_char
- X
- X push cx ;now find the last name (but remember
- X push dx ; the xy position this time.
- X mov di,offset lastn
- X call find_header
- X pop dx
- X pop cx
- X
- X call show_name ;put the last name to the screen.
- X
- X mov di,offset facedat ;now put the face up.
- X call find_header
- X
- X mov ax,0a000h
- X mov es,ax
- X mov cx,ysize
- X mov ax,320 ;get the bottom line.
- X mul cx
- X mov di,ax
- Xvga_line:
- X push cx
- X mov cx,xsize
- Xvga_pel:
- X call get_byte
- X stosb
- X loop vga_pel
- X sub di,xsize ;back to the left margin.
- X sub di,320 ;move up a line.
- X pop cx
- X loop vga_line
- X
- X mov ah,7 ;wait for a key.
- X int 21h
- X
- X call pal_restore ;restore the original palette.
- X
- X mov ax,3h ;put the screen into text mode.
- X int 10h
- X
- X clc
- X ret
- X
- Xhave_ega:
- X mov ax,10h ;put the screen into ega mode.
- X int 10h
- X
- X mov ax,1000h ;change the palette entry for 7
- X mov bx,77Q*256 + 7 ; to 77 octal.
- X int 10h
- X
- X mov ax,1000h
- X mov bx,007Q*256 + 08h
- X int 10h
- X
- X mov ax,1000h
- X mov bx,010Q*256 + 09h
- X int 10h
- X
- X mov ax,1000h
- X mov bx,020Q*256 + 0ah
- X int 10h
- X
- X mov ax,1000h
- X mov bx,030Q*256 + 0bh
- X int 10h
- X
- X mov ax,1000h
- X mov bx,040Q*256 + 0ch
- X int 10h
- X
- X mov ax,1000h
- X mov bx,050Q*256 + 0dh
- X int 10h
- X
- X mov ax,1000h
- X mov bx,060Q*256 + 0eh
- X int 10h
- X
- X mov ax,1000h
- X mov bx,070Q*256 + 0fh
- X int 10h
- X
- X mov di,offset facedat
- X call find_header
- X
- X mov ax,0a000h
- X mov es,ax
- X mov cx,ysize ;get the bottom line.
- X mov ax,640/8*2 ;bytes per scan line * scan lines per pixel
- X mul cx
- X mov di,ax
- X xor bh,bh
- X
- X mov dx,03ceh ;graphics controller
- X mov ax,0205h ;write mode 2.
- X out dx,al
- X inc dx
- X mov al,ah
- X out dx,al
- X dec dx
- X mov al,08h ;select bitmap register.
- X out dx,al
- X inc dx
- X
- Xega_line:
- X push cx
- X push di
- X mov ah,80h ;start at left margin.
- X mov cx,xsize
- Xega_pel:
- X push ax
- X call get_byte ;get a byte into bl where we can use
- X mov bl,al ; it for indexing into dithers...
- X pop ax
- X
- X mov al,ah
- X out dx,al
- X mov al,ulpal[bx]
- X xchg es:[di],al ;store the palette value.
- X mov al,llpal[bx]
- X xchg es:[di+80],al ;store the palette value.
- X
- X shr ah,1 ;move right by a bit.
- X
- X mov al,ah
- X out dx,al
- X mov al,urpal[bx]
- X xchg es:[di],al ;store the palette value.
- X mov al,lrpal[bx]
- X xchg es:[di+80],al ;store the palette value.
- X
- X ror ah,1 ;move right by another bit,
- X adc di,0 ; and handle byte increment.
- X
- X loop ega_pel
- X pop di
- X sub di,80*2 ;move up a line.
- X pop cx
- X loop ega_line
- X
- X mov al,0ffh ;mask = all ones.
- X out dx,al
- X dec dx
- X mov ax,0005h ;write mode 0
- X out dx,al
- X inc dx
- X mov al,ah
- X out dx,al
- X
- X mov ah,7 ;wait for a key.
- X int 21h
- X
- X mov ax,3h ;put the screen into text mode.
- X int 10h
- X
- X clc
- X ret
- X
- X
- Xshow_name:
- X;enter with si -> CR terminated string to be printed, CX = x, DX = y.
- Xshow_name_0:
- X lodsb
- X cmp al,CR
- X je show_name_1
- X push si
- X call write_char
- X pop si
- X jmp show_name_0
- Xshow_name_1:
- X ret
- X
- X
- Xchar_number db ? ;ASCII value of this character.
- Xchar_height dw ? ;height of this character
- Xchar_width db ? ;width of this character in pixels.
- Xchar_color db 0ffh ;color to paint this character.
- X
- Xwrite_char:
- X;enter with cx,dx=position, al = character.
- X push cx
- X push dx
- X push es
- X mov char_number,al
- X call compute_address
- X
- X mov ax,system_font.ascent ;compute height of character.
- X add ax,system_font.descent
- X mov char_height,ax ;save it.
- X
- X mov si,offset system_font + (size font_struc)
- Xuse_font_1:
- X lodsw
- X xchg ah,al ;get the number (AH) and width (AL).
- X
- X or al,al ;zero width?
- X je use_font_3 ;yes, end of the font.
- X cmp ah,char_number ;is this the character?
- X je use_font_2 ;Yes, use it.
- X mov ah,0
- X add ax,7 ;round up to next nearest byte.
- X shr ax,1 ;and convert pixels
- X shr ax,1 ; to
- X shr ax,1 ; bytes.
- X mul char_height ;find the size.
- X add si,ax ;move ahead by this size.
- X jmp use_font_1
- Xuse_font_3:
- X pop es
- X pop dx
- X pop cx
- X stc
- X ret
- Xuse_font_2:
- X mov char_width,al ;remember the width of the font.
- X mov cx,char_height
- Xwrite_char_4:
- X push cx
- X push di
- X mov cl,char_width
- X xor ch,ch
- X mov ah,80h
- X jmp short write_char_6
- Xwrite_char_5:
- X ror ah,1 ;move right in the source.
- X adc si,0
- X call move_right ;move right in the destination.
- Xwrite_char_6:
- X test [si],ah ;is this bit set?
- X je write_char_7
- X call set_bit ;yes, set it.
- Xwrite_char_7:
- X loop write_char_5
- X inc si ;flush the rest of the bits in source.
- X pop di
- X call move_down
- X pop cx
- X loop write_char_4 ;go do another line.
- X pop es
- X pop dx
- X pop cx
- X inc char_width
- X add cl,char_width ;move over.
- X adc ch,0
- X clc
- X ret
- X
- X
- Xcompute_address:
- X;enter with cx,dx = point on screen.
- X;exit with es:di,dh -> byte/bit on screen.
- X mov ax,0a000h
- X mov es,ax
- X mov ax,320 ;width of screen.
- X mul dx
- X add ax,cx ;add the offset in.
- X mov di,ax ;remember our pointer.
- X ret
- X
- X
- Xmove_right:
- X inc di
- X ret
- X
- Xmove_down:
- X add di,320 ;width of screen.
- X ret
- X
- Xset_bit:
- X mov al,char_color
- X mov es:[di],al
- X ret
- X
- X
- Xhandle dw ?
- X
- Xread_file:
- X;enter with dx -> filename.
- X;return nc if all okay, or cy, dx -> error if any problems.
- X mov ax,3d00h ;open for reading.
- X int 21h
- X jnc read_file_found
- X mov dx,offset file_not_found
- X stc
- X ret
- X
- Xread_file_found:
- X mov handle,ax
- X
- X mov ah,3fh ;read the whole thing in.
- X mov bx,handle
- X mov cx,65535 - 200
- X sub cx,offset face_buffer
- X mov dx,offset face_buffer
- X int 21h
- X jnc read_okay
- X mov dx,offset read_trouble
- X stc
- X ret
- Xread_okay:
- X cmp ax,cx ;did we read all we asked for?
- X jne read_enough
- X mov dx,offset read_too_much
- X stc
- X ret
- Xread_enough:
- X mov ah,3eh ;close the file.
- X mov bx,handle
- X int 21h
- X
- X clc
- X ret
- X
- X
- Xget_byte:
- X;enter with si -> two hex digits (maybe some CR/LFs first...)
- X;exit with al = the byte.
- X lodsb ;get a character.
- X cmp al,CR ;ignore CR and LF.
- X je get_byte
- X cmp al,LF
- X je get_byte
- X call get_digit ;hex digits come in pairs.
- X shl al,1
- X shl al,1
- X shl al,1
- X shl al,1
- X mov ah,al ;shift the first nibble over.
- X lodsb ;get the second nibble
- X call get_digit
- X or al,ah ;combine and store.
- X ret
- X
- Xfind_header_ptr dw ?
- X
- Xfind_header:
- X;enter with di -> header name
- X;exit with nc,si -> header contents, or cy if not found.
- X mov find_header_ptr,di ;remember the pointer to their header.
- X mov si,offset face_buffer
- Xfind_header_0:
- X mov di,find_header_ptr
- X mov cx,30 ;no header name is >30 chars.
- X repe cmpsb ;compare the header chars.
- X cmp [si-1],byte ptr ':' ;if we didn't get as far as the colon,
- X jne find_header_1 ; they didn't match.
- X cmp [di-1],byte ptr 0 ;if we didn't get as far as the null,
- X jne find_header_1 ; they didn't match.
- X call skip_blanks
- X ret
- Xfind_header_1:
- X;scan to the next LF.
- X lodsb
- X cmp al,LF
- X jne find_header_1
- X cmp byte ptr [si],CR ;two crlf's in a row?
- X jne find_header_0 ;yes, no more headers.
- X stc
- X ret
- X
- Xpal_save:
- X;Save existing palette
- X mov ax,1017h ;get all palette registers.
- X mov bx,0 ;first palette register.
- X mov cx,256 ;read all palette registers.
- X push ds
- X pop es
- X mov dx,offset save_dacs
- X int 10h
- X
- X ret
- X
- Xpal_setgrey:
- X mov di,offset gray_dacs
- X mov al,0
- Xpal_setgrey_1:
- X mov cx,3 * 256 / 64 ;3 colors, 256 grays, 64 slots.
- X rep stosb
- X
- X inc al
- X cmp al,64
- X jb pal_setgrey_1
- X
- X mov dx,offset gray_dacs
- X jmp short pal_set
- X
- Xpal_restore:
- X mov dx,offset save_dacs
- Xpal_set:
- X mov ax,1012h ;set all palette registers.
- X mov bx,0 ;first palette register.
- X mov cx,256 ;read all palette registers.
- X push ds
- X pop es
- X int 10h
- X
- X ret
- X
- X include skipblk.asm
- X include getdig.asm
- X include getnum.asm
- X include chrout.asm
- X include decout.asm
- X include digout.asm
- X
- Xsystem_font label byte
- X font_struc <9, 3, 10, 1>
- X
- X db 20h,6
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 21h,4
- X db 01100000b
- X db 11110000b
- X db 11110000b
- X db 11110000b
- X db 11110000b
- X db 11110000b
- X db 01100000b
- X db 00000000b
- X db 01100000b
- X db 01100000b
- X db 00000000b
- X db 00000000b
- X
- X db 22h,7
- X db 00000000b
- X db 00000000b
- X db 11101110b
- X db 01100110b
- X db 11001100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 23h,6
- X db 00000000b
- X db 00000000b
- X db 01001000b
- X db 01001000b
- X db 11111100b
- X db 01001000b
- X db 11111100b
- X db 01001000b
- X db 01001000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 24h,6
- X db 00000000b
- X db 00000000b
- X db 00010000b
- X db 01111100b
- X db 11010000b
- X db 01111100b
- X db 00010110b
- X db 01111100b
- X db 00010000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 25h,6
- X db 00000000b
- X db 00000000b
- X db 11000000b
- X db 11001100b
- X db 00011000b
- X db 00110000b
- X db 01100000b
- X db 11001100b
- X db 00001100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 26h,6
- X db 00000000b
- X db 00000000b
- X db 01110000b
- X db 11011000b
- X db 11011000b
- X db 01110000b
- X db 11011100b
- X db 11011000b
- X db 01101100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 27h,4
- X db 00000000b
- X db 00000000b
- X db 00110000b
- X db 01100000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 28h,4
- X db 00000000b
- X db 00000000b
- X db 00110000b
- X db 01100000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 01100000b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 29h,4
- X db 00000000b
- X db 00000000b
- X db 11000000b
- X db 01100000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 01100000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 2Ah,6
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00110000b
- X db 10110100b
- X db 01111000b
- X db 10110100b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 2Bh,6
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00110000b
- X db 00110000b
- X db 11111100b
- X db 00110000b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 2Ch,3
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 11100000b
- X db 11100000b
- X db 01100000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X
- X db 2Dh,6
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 11111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 2Eh,3
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 11100000b
- X db 11100000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 2Fh,7
- X db 00000000b
- X db 00000000b
- X db 00000110b
- X db 00001100b
- X db 00011000b
- X db 00110000b
- X db 01100000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 30h,7
- X db 01111100b
- X db 11001110b
- X db 11001110b
- X db 11010110b
- X db 11010110b
- X db 11010110b
- X db 11100110b
- X db 11100110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 31h,7
- X db 01100000b
- X db 11100000b
- X db 01100000b
- X db 01100000b
- X db 01100000b
- X db 01100000b
- X db 01100000b
- X db 01100000b
- X db 11110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 32h,7
- X db 01111100b
- X db 10000110b
- X db 00000110b
- X db 00000110b
- X db 00001100b
- X db 00011000b
- X db 00110000b
- X db 01100000b
- X db 11111110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 33h,7
- X db 11111100b
- X db 00001100b
- X db 00011000b
- X db 00110000b
- X db 00001100b
- X db 00000110b
- X db 00000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 34h,7
- X db 00011100b
- X db 00111100b
- X db 01101100b
- X db 11001100b
- X db 11001100b
- X db 11001100b
- X db 11111110b
- X db 00001100b
- X db 00001100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 35h,7
- X db 11111110b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11111100b
- X db 00000110b
- X db 00000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 36h,7
- X db 01111100b
- X db 11000110b
- X db 11000000b
- X db 11000000b
- X db 11111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 37h,7
- X db 11111110b
- X db 00000110b
- X db 00000110b
- X db 00001100b
- X db 00011000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 38h,7
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 39h,7
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111110b
- X db 00000110b
- X db 00000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 3Ah,3
- X db 00000000b
- X db 00000000b
- X db 11100000b
- X db 11100000b
- X db 00000000b
- X db 00000000b
- X db 11100000b
- X db 11100000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 3Bh,3
- X db 00000000b
- X db 00000000b
- X db 11100000b
- X db 11100000b
- X db 00000000b
- X db 00000000b
- X db 11100000b
- X db 11100000b
- X db 01100000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X
- X db 3Ch,7
- X db 00000000b
- X db 00000000b
- X db 00000110b
- X db 00011100b
- X db 01110000b
- X db 11000000b
- X db 01110000b
- X db 00011100b
- X db 00000110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 3Dh,6
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 11111110b
- X db 00000000b
- X db 00000000b
- X db 11111110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 3Eh,7
- X db 00000000b
- X db 00000000b
- X db 11000000b
- X db 01110000b
- X db 00011100b
- X db 00000110b
- X db 00011100b
- X db 01110000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 3Fh,6
- X db 01111100b
- X db 11000110b
- X db 00000110b
- X db 00001100b
- X db 00011000b
- X db 00110000b
- X db 00110000b
- X db 00000000b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 40h,6
- X db 00000000b
- X db 00000000b
- X db 00111000b
- X db 01101100b
- X db 11011100b
- X db 11010100b
- X db 11011100b
- X db 11000000b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 41h,7
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 42h,7
- X db 11111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 43h,7
- X db 01111100b
- X db 11000010b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000010b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 44h,7
- X db 11111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 45h,6
- X db 11111100b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11111000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 46h,6
- X db 11111100b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11111000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 47h,7
- X db 01111100b
- X db 11000100b
- X db 11000000b
- X db 11000000b
- X db 11001110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 48h,7
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 49h,2
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 4Ah,6
- X db 00001100b
- X db 00001100b
- X db 00001100b
- X db 00001100b
- X db 00001100b
- X db 00001100b
- X db 11001100b
- X db 11001100b
- X db 01111000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 4Bh,8
- X db 11000011b
- X db 11000110b
- X db 11001100b
- X db 11011000b
- X db 11110000b
- X db 11110000b
- X db 11011000b
- X db 11001100b
- X db 11000110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 4Ch,6
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 4Dh,9
- X db 11000000b,10000000b
- X db 11100001b,10000000b
- X db 11110011b,10000000b
- X db 11011101b,10000000b
- X db 11001001b,10000000b
- X db 11000001b,10000000b
- X db 11000001b,10000000b
- X db 11000001b,10000000b
- X db 11000001b,10000000b
- X db 00000000b,00000000b
- X db 00000000b,00000000b
- X db 00000000b,00000000b
- X
- X db 4Eh,8
- X db 10000001b
- X db 11000001b
- X db 11100001b
- X db 10110001b
- X db 10011001b
- X db 10001101b
- X db 10000111b
- X db 10000011b
- X db 10000001b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 4Fh,7
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 50h,7
- X db 11111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111100b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 11000000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 51h,7
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 00000110b
- X db 00000000b
- X db 00000000b
- X
- X db 52h,7
- X db 11111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 53h,7
- X db 01111100b
- X db 11000010b
- X db 11100000b
- X db 01110000b
- X db 00111000b
- X db 00011100b
- X db 00001110b
- X db 10000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 54h,6
- X db 11111100b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 55h,7
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 56h,7
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000100b
- X db 11111000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 57h,10
- X db 11001100b,11000000b
- X db 11001100b,11000000b
- X db 11001100b,11000000b
- X db 11001100b,11000000b
- X db 11001100b,11000000b
- X db 11001100b,11000000b
- X db 11001100b,11000000b
- X db 11001100b,10000000b
- X db 11111111b,00000000b
- X db 00000000b,00000000b
- X db 00000000b,00000000b
- X db 00000000b,00000000b
- X
- X db 58h,7
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 01111100b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 11000110b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 59h,6
- X db 11001100b
- X db 11001100b
- X db 11001100b
- X db 11001100b
- X db 01111000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00110000b
- X db 00000000b
- X db 00000000b
- X db 00000000b
- X
- X db 5Ah,8
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- X
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- X db 11001100b,11000000b
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- X
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- X
- X db 79h,7
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- X
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- X
- X db 7Bh,8
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- X
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- X
- X db 80h,0 ;end of the font.
- X
- Xface_buffer label byte
- X
- Xcode ends
- X
- X end start
- SHAR_EOF
- chmod 0644 showface.asm || echo "restore of showface.asm fails"
- sed 's/^X//' << 'SHAR_EOF' > s2_temp_.tmp &&
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- XM`````"P#````````X.!@P```+08``````/P````````N`P````````#@X```
- XM`"\'```!@P8,``````,`=\SL[6UM;FYGP````Q!V#@8&!@8&!@\````#('
- XM?(8&!@P8,^````,P?\#!@P#`8&QGP````T!QP\;,S,S/X,#````#4'_L#`
- XMP/P&!L9\````-@=\QL#`_,;&QGP````W!_X&!@P8,#`P,````#@'?,;&QGS&
- XMQL9\````.0=\QL;&?@8&QGP````Z`P``X.```.#@`````#L#``#@X```X.!@
- XMP```/`<```8<<,!P'`8````]!@```/X``/X``````#X'``#`<!P&''#`````
- XM/P9\Q@8,`P`#````!`!@``.&S<U-S`?````$$'?,;&QO[&QL;&````0@?\
- XMQL;&_L;&QOP```!#!WS"P,#`P,#"?````$0'_,;&QL;&QL;\````10;\P,#`
- XM^,#`P/P```!&!OS`P,#XP,#`P````$<'?,3`P,[&QL9\````2`?&QL;&_L;&
- XMQL8```!)`L#`P,#`P,#`P````$H`P,#`P,S,QX````2PC#QLS8\/#8S,8`
- XM``!,!L#`P,#`P,#`_````$T)P(#A@/.`W8#)@,&`P8#!@,&`````````3@B!
- XMP>&QF8V'@X$```!/!WS&QL;&QL;&?````%`'_,;&QOS`P,#`````40=\QL;&
- XMQL;&QGP&``!2!_S&QL;\QL;&Q@```%,'?,+@<#@<#H9\````5`;\,#`P,#`P
- XM,#````!5!\;&QL;&QL;&?````%8'QL;&QL;&QL3X````5PK,P,S`S,#,P,S`
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- XM`P8,!@P/\```!;!/#`P,#`P,#`\````%P%@(!`0"`@$!`(````703P,#`P
- XM,#`P,/````!>"```$#ALQ@```````%\(````````````_P``8`8``,!@,```
- XM``````!A!P``?(9^QL;&?@```&('P,#\QL;&QL;\````8P8``'C$P,#`Q'@`
- XM``!D!P8&?L;&QL;&?@```&4'``!\QL;^P,9\````9@8\8/!@8&!@8&````!G
- XM!P``?L;&QL;&?@:&?&@'P,#\QL;&QL;&````:0+``,#`P,#`P,````!J!0``
- XM&``8&!@8&!B8<&L&P,#`S-CP\-C,````;`+`P,#`P,#`P,````!M"@````#_
- XM`,R`S,#,P,S`S,#,P````````&X'``#\QL;&QL;&````;P<``'S&QL;&QGP`
- XM``!P!P``_,;&QL;&_,#``'$'``!^QL;&QL9^!@8`<@8``-S@P,#`P,````!S
- XM!@``>,3@>!R,>````'0$8P8&!@8&`P````=0<``,;&QL;&QGP```!V!P``
- XMQL;&QL;$^````'<*`````,S`S,#,P,S`S,#,@/\`````````>`<``,;&QGS&
- XMQL8```!Y!P``QL;&QL;&?@:&?'H&``#\#!@P8,#\````>P@``#A@8,!@8#@`
- XM``!\`L#`P,#`P,#`P,#``'T(``#@,#`8,##@````?@@```!@D@P```````"`
- X!``!\
- X`
- Xend
- SHAR_EOF
- uudecode < s2_temp_.tmp && rm -f s2_temp_.tmp &&
- chmod 0644 showface.com || echo "restore of showface.com fails"
- sed 's/^X//' << 'SHAR_EOF' > skipblk.asm &&
- X;put into the public domain by Russell Nelson, nelson@clutx.clarkson.edu
- X
- X public skip_blanks
- Xskip_blanks:
- X lodsb ;skip blanks.
- X cmp al,' '
- X je skip_blanks
- X cmp al,HT
- X je skip_blanks
- X dec si
- X ret
- X
- SHAR_EOF
- chmod 0644 skipblk.asm || echo "restore of skipblk.asm fails"
- exit 0
- --
- --russ (nelson@clutx [.bitnet | .clarkson.edu]) Russ.Nelson@$315.268.6667
- It's better to get mugged than to live a life of fear -- Freeman Dyson
-