nelson@image.soe.clarkson.edu (Russ Nelson) (10/07/90)
Note that EGA or VGA is required.
Note that showface.com is uuencoded.
#!/bin/sh
# shar: Shell Archiver (v1.22)
#
# Run the following text with /bin/sh to create:
# COPYING
# README
# chrout.asm
# decout.asm
# digout.asm
# getdig.asm
# getnum.asm
# pixel.asm
# showface.asm
# showface.com
# skipblk.asm
#
echo "x - extracting COPYING (Text)"
sed 's/^X//' << 'SHAR_EOF' > COPYING &&
XRussell Nelson, Clarkson University.
XCopyright, 1989, 1990, Russell Nelson
X
XThis program is free software; you can redistribute it and/or modify
Xit under the terms of the GNU General Public License as published by
Xthe Free Software Foundation, version 1.
X
XThis program is distributed in the hope that it will be useful,
Xbut WITHOUT ANY WARRANTY; without even the implied warranty of
XMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
XGNU General Public License for more details.
X
XYou are assumed to be able to find a copy of the GNU General Public
XLicense; if not, write to the Free Software Foundation, Inc., 675
XMass Ave, Cambridge, MA 02139, USA.
X
SHAR_EOF
chmod 0644 COPYING || echo "restore of COPYING fails"
echo "x - extracting README (Text)"
sed 's/^X//' << 'SHAR_EOF' > README &&
XThis is the readme file for showface, a PC program for viewing
XFaceSaver(tm) format files as found on uunet.uu.net. It requires
Xan EGA or VGA.
X
XThere is no documentation -- showface does what you expect. If you try
Xsomething, and it doesn't work the way you would expect, send me mail
X<nelson@sun.soe.clarkson.edu>.
X
XVersion 1.0: initial release
X
XVersion 1.1: split out graphics code into pixel.asm, added code to deal
Xwith newline terminated files, added code to require presence of a
XPicData header line, fixed a bug that caused only the first file to be
Xdisplayed when using an EGA.
X
X
XFaceSaver is a trademark of Metron Computerware, Ltd.
SHAR_EOF
chmod 0644 README || echo "restore of README fails"
echo "x - extracting chrout.asm (Text)"
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"
echo "x - extracting decout.asm (Text)"
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"
echo "x - extracting digout.asm (Text)"
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 ret
SHAR_EOF
chmod 0644 digout.asm || echo "restore of digout.asm fails"
echo "x - extracting getdig.asm (Text)"
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"
echo "x - extracting getnum.asm (Text)"
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"
echo "x - extracting pixel.asm (Text)"
sed 's/^X//' << 'SHAR_EOF' > pixel.asm &&
X; code to do graphics at 320x200x256 on both EGAs and VGAs.
X
Xaddress_list label word
X;can't change es, di, dx, or ah.
X;al and bx will get trashed, but they need not be preserved.
Xopen_vid dw ?
Xmove_right dw ?
Xmove_up dw ?
Xmove_down dw ?
Xset_bit dw ?
Xclose_vid dw ?
Xuninit_vid dw ?
Xaddress_end label word
X
Xega_adrs dw init_vid_ega, open_vid_ega, move_right_ega
X dw move_up_ega, move_down_ega, set_bit_ega, close_vid_ega
X dw uninit_vid_ega
X
Xvga_adrs dw init_vid_vga, open_vid_vga, move_right_vga
X dw move_up_vga, move_down_vga, set_bit_vga, close_vid_vga
X dw uninit_vid_vga
X
X
Xinit_vid:
X;test for VGA.
X mov ax,1a00h
X int 10h
X cmp al,1ah
X mov si,offset vga_adrs
X ifndef FORCE_EGA
X je have_vga
X endif
X mov si,offset ega_adrs
Xhave_vga:
X lodsw ;get the init_vid_* routine.
X push ds
X pop es
X mov di,offset address_list
X mov cx,(offset address_end - offset address_list) / 2
X rep movsw
X jmp ax ;jump to the proper init_vid routine.
X
X
Xinit_vid_vga:
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 ret
X
Xuninit_vid_vga:
X call pal_restore
X
X mov ax,3h ;put the screen into text mode.
X int 10h
X
X ret
X
X
Xinit_vid_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 ret
X
X
Xuninit_vid_ega:
X mov ax,3h ;put the screen into text mode.
X int 10h
X
X ret
X
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
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
Xopen_vid_vga:
X;enter with cx,dx = point on screen.
X;exit with es:di,ah -> 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_vga:
X inc di
X ret
X
Xmove_up_vga:
X sub di,320 ;width of screen.
X ret
X
Xmove_down_vga:
X add di,320 ;width of screen.
X ret
X
Xset_bit_vga:
X mov es:[di],al
X ret
X
Xclose_vid_vga:
X ret
X
X
Xopen_vid_ega:
X;enter with cx,dx = point on screen.
X;exit with es:di,ah -> byte/bit on screen.
X mov ax,0a000h
X mov es,ax
X mov ax,640/8*2 ;bytes per scan line * scan lines per pixel
X mul dx
X mov di,ax
X mov ax,cx ;/8*2
X shr ax,1
X shr ax,1
X add di,ax
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
X shl cx,1 ;compute the bit.
X and cl,7
X mov ah,80h
X shr ah,cl
X ret
X
X
Xmove_right_ega:
X shr ah,1 ;move right by a bit.
X ror ah,1 ;move right by another bit,
X adc di,0 ; and handle byte increment.
X ret
X
X
Xmove_up_ega:
X sub di,80*2 ;width of screen.
X ret
X
X
Xmove_down_ega:
X add di,80*2 ;width of screen.
X ret
X
X
Xset_bit_ega:
X mov bl,al
X xor bh,bh
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 shl ah,1 ;restore the bit.
X
X ret
X
X
Xclose_vid_ega:
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 ret
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
SHAR_EOF
chmod 0644 pixel.asm || echo "restore of pixel.asm fails"
echo "x - extracting showface.asm (Text)"
sed 's/^X//' << 'SHAR_EOF' > showface.asm &&
X;History:277,1
X
XMAJVER EQU 1 ;1.0
XVERSION EQU 1
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",'$'
Xread_too_much db "The file is too large",'$'
Xno_picdata db "This file doesn't have a PicData header, which means it probably isn't a face.",CR,LF,'$'
Xbad_picdata db "This file has a PicData with x = 0 or x >320, or y = 0 or y >200, or z != 8",CR,LF,'$'
X
Xfirstn db "FirstName",0
Xlastn db "LastName",0
Xpicdata db "PicData",0
Xfacedat db 0
Xxsize dw ?,?
Xysize dw ?,?
Xdepth 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
X include pixel.asm
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, dx -> error message if we couldn't find one of the files.
Xfind_name_end:
X push ds
X pop es
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,HT
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 call skip_blanks
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, dx -> error message if something went wrong.
X
X call read_file
X jnc show_face_1
X ret
Xshow_face_3:
X mov dx,offset no_picdata
X stc
X ret
Xshow_face_2:
X mov dx,offset bad_picdata
X stc
X ret
Xshow_face_1:
X
X mov di,offset picdata ;get the size of the image.
X call find_header
X jc show_face_3
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 mov di,offset depth
X call get_number
X
X cmp xsize,0 ;incredibly small?
X je show_face_2
X cmp xsize,320 ;too wide?
X ja show_face_2
X
X cmp ysize,0 ;incredibly small?
X je show_face_2
X cmp ysize,200 ;too high?
X ja show_face_2
X
X cmp depth,8 ;we can only handle 8 bits per pixel.
X jne show_face_2
X
X call init_vid
X
X mov di,offset firstn ;get their first name.
X call find_header
X jc show_face_4
X
X mov cx,xsize ;put it to the screen.
X add cx,30
X mov dx,10
X call show_line
X
Xshow_face_4:
X
X mov al,' ' ;put a space between first and last names.
X call show_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 jc show_face_5
X
X call show_line ;put the last name to the screen.
X
Xshow_face_5:
X
X mov di,offset facedat ;now put the face up.
X call find_header
X
X mov dx,ysize
X mov cx,0
X call open_vid
X
X mov cx,ysize
Xvga_line:
X push cx
X push ax
X push di
X mov cx,xsize
Xvga_pel:
X mov bh,ah ;preserve ah.
X call get_byte
X mov ah,bh
X call set_bit
X call move_right
X loop vga_pel
X pop di
X pop ax
X call move_up
X pop cx
X loop vga_line
X
X mov ah,7 ;wait for a key.
X int 21h
X
X call close_vid
X
X call uninit_vid
X
X clc
X ret
X
X
Xshow_line:
X;enter with si -> CR or LF terminated string to be printed, CX = x, DX = y.
Xshow_line_0:
X lodsb
X cmp al,CR
X je show_line_1
X cmp al,LF
X je show_line_1
X push si
X call show_char
X pop si
X jmp show_line_0
Xshow_line_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
Xshow_char:
X;enter with cx,dx=position, al = character.
X push cx
X push dx
X push es
X mov char_number,al
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 push dx
X mul char_height ;find the size.
X pop dx
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
X call open_vid
X
X mov cx,char_height
Xshow_char_4:
X push cx
X push ax
X push di
X mov cl,char_width
X xor ch,ch
X mov al,80h
X jmp short show_char_6
Xshow_char_5:
X ror al,1 ;move right in the source.
X adc si,0
X call move_right ;move right in the destination.
Xshow_char_6:
X test [si],al ;is this bit set?
X je show_char_7
X push ax
X mov al,0ffh
X call set_bit ;yes, set it.
X pop ax
Xshow_char_7:
X loop show_char_5
X inc si ;flush the rest of the bits in source.
X pop di
X pop ax
X call move_down
X pop cx
X loop show_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
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 push ds
X pop es
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 je find_header_2 ;yes, no more headers.
X cmp byte ptr [si],LF ;two lf's in a row?
X jne find_header_0 ;yes, no more headers.
Xfind_header_2:
X stc
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
X db 11111111b
X db 00000011b
X db 00000110b
X db 00001100b
X db 00011000b
X db 00110000b
X db 01100000b
X db 11000000b
X db 11111111b
X db 00000000b
X db 00000000b
X db 00000000b
X
X db 5Bh,4
X db 11110000b
X db 11000000b
X db 11000000b
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Xface_buffer label byte
X
Xcode ends
X
X end start
SHAR_EOF
chmod 0644 showface.asm || echo "restore of showface.asm fails"
echo "x - extracting showface.com (Binary)"
sed 's/^X//' << 'SHAR_EOF' > s2_temp_.tmp &&
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XM3P=\QL;&QL;&QGP```!0!_S&QL;\P,#`P````%$'?,;&QL;&QL9\!@``4@?\
XMQL;&_,;&QL8```!3!WS"X'`X'`Z&?````%0&_#`P,#`P,#`P````50?&QL;&
XMQL;&QGP```!6!\;&QL;&QL;$^````%<*S,#,P,S`S,#,P,S`S,#,@/\`````
XM````6`?&QL;&?,;&QL8```!9!LS,S,QX,#`P,````%H(_P,&#!@P8,#_````
XM6P3PP,#`P,#`P/````!<!8"`0$`@(!`0"````%T$\#`P,#`P,##P````7@@`
XM`!`X;,8```````!?"````````````/\``&`&``#`8#``````````80<``'R&
XM?L;&QGX```!B!\#`_,;&QL;&_````&,&``!XQ,#`P,1X````9`<&!G[&QL;&
XMQGX```!E!P``?,;&_L#&?````&8&/&#P8&!@8&!@````9P<``'[&QL;&QGX&
XMAGQH!\#`_,;&QL;&Q@```&D"P`#`P,#`P,#`````:@4``!@`&!@8&!@8F'!K
XM!L#`P,S8\/#8S````&P"P,#`P,#`P,#`````;0H`````_P#,@,S`S,#,P,S`
XMS,````````!N!P``_,;&QL;&Q@```&\'``!\QL;&QL9\````<`<``/S&QL;&
XMQOS`P`!Q!P``?L;&QL;&?@8&`'(&``#<X,#`P,#`````<P8``'C$X'@<C'@`
XM``!T!&!@\&!@8&!@,````'4'``#&QL;&QL9\````=@<``,;&QL;&Q/@```!W
XM"@````#,P,S`S,#,P,S`S(#_`````````'@'``#&QL9\QL;&````>0<``,;&
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XCP,#`P`!]"```X#`P&#`PX````'X(````8)(,````````@```
X`
Xend
SHAR_EOF
echo "uudecoding file showface.com"
uudecode < s2_temp_.tmp && rm -f s2_temp_.tmp &&
chmod 0644 showface.com || echo "restore of showface.com fails"
echo "x - extracting skipblk.asm (Text)"
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