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VolksForth/8080/CPM/printer.fb

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\\ Printer Interface 08Nov86 Dieses File enthaelt das Printer Interface zwischen volksFORTH und dem Drucker. Damit ist es moeglich Source-Texte auf bequeme Art und Weise in uebersichtlicher Form auszudrucken (6 auf eine Seite). In Verbindung mit dem Multitasker ist es moeglich, auch Texte imHintergrund drucken zu lassen und trotztdem weiterzuarbeiten. \ Printer Interface Epson RX80 18Aug86\ angepasst auf M 130i 07dec85we Onlyforth Variable shadow capacity 2/ shadow ! \ s. Editor Vocabulary Printer Printer definitions also | Variable printsem printsem off 01 +load 04 0C +thru \ M 130i - Printer \ 01 03 +thru 06 0C +thru \ Fujitsu - Printer Onlyforth \ Printer p! and controls UH 02Nov87 | : ready? ( -- f ) [ Dos ] 0 &15 biosa 0= not ; : p! ( n --) BEGIN pause stop? IF printsem unlock true abort" stopped! " THEN ready? UNTIL [ Dos ] 5 bios ; | : ctrl: ( 8b --) Create c, Does> ( --) c@ p! ; 07 ctrl: BEL 7F | ctrl: DEL 0D | ctrl: RET 1B | ctrl: ESC 0A ctrl: LF 0C ctrl: FF 0F | ctrl: (+17cpi 12 | ctrl: (-17cpi \ Printer Escapes 24dec85 | : esc: ( 8b --) Create c, does> ( --) ESC c@ p! ; Ascii 0 esc: 1/8" Ascii 1 esc: 1/10" Ascii 2 esc: 1/6" Ascii T esc: suoff Ascii N esc: +jump Ascii O esc: -jump Ascii G esc: +dark Ascii H esc: -dark \ Ascii 4 esc: +cursive Ascii 5 esc: -cursive | : ESC2 ( 8b0 8b1 --) ESC p! p! ; | : on: ( 8b --) Create c, does> ( --) ESC c@ p! 1 p! ; | : off: ( 8b --) Create c, does> ( --) ESC c@ p! 0 p! ; \ Printer Escapes 29jan86 Ascii W on: +wide Ascii W off: -wide Ascii - on: +under Ascii - off: -under Ascii S on: sub Ascii S off: super Ascii P on: (10cpi Ascii P off: (12cpi : 10cpi (-17cpi (10cpi ; : 12cpi (-17cpi (12cpi ; : 17cpi (10cpi (+17cpi ; : lines ( #.of.lines --) Ascii C ESC2 ; : "long ( inches --) 0 lines p! ; : american 0 Ascii R ESC2 ; : german 2 Ascii R ESC2 ; : normal 12cpi american suoff 1/6" 0C "long RET ; \ Printer Escapes 16Jul86 | : esc: ( 8b --) Create c, does> ( --) ESC c@ p! ; Ascii 0 esc: 1/8" Ascii 1 esc: 1/10" Ascii 2 esc: 1/6" Ascii T esc: suoff Ascii N esc: +jump Ascii O esc: -jump Ascii G esc: +dark Ascii H esc: -dark Ascii 4 esc: +cursive Ascii 5 esc: -cursive Ascii M esc: 12cpi Ascii P | esc: (-12cpi : 10cpi (-12cpi (-17cpi ; : 17cpi (-12cpi (+17cpi ; ' 10cpi Alias pica ' 12cpi Alias elite \ Printer Escapes 16Jul86 | : ESC2 ( 8b0 8b1 --) ESC p! p! ; | : on: ( 8b --) Create c, does> ( --) ESC c@ p! 1 p! ; | : off: ( 8b --) Create c, does> ( --) ESC c@ p! 0 p! ; Ascii W on: +wide Ascii W off: -wide Ascii - on: +under Ascii - off: -under Ascii S on: sub Ascii S off: super Ascii p on: +prop Ascii p off: -prop : lines ( #.of.lines --) Ascii C ESC2 ; : "long ( inches --) 0 lines p! ; : american 0 Ascii R ESC2 ; : german 2 Ascii R ESC2 ; : normal 12cpi american suoff 1/6" 0C "long RET ; \ Printer Output 04Jul86 : prinit ; \ initializing Printer | Variable pcol pcol off | Variable prow prow off | : pemit ( 8b --) p! 1 pcol +! ; | : pcr ( --) RET LF 1 prow +! pcol off ; | : pdel ( --) DEL pcol @ 1- 0 max pcol ! ; | : ppage ( --) FF prow off pcol off ; | : pat ( row col --) over prow @ < IF ppage THEN swap prow @ - 0 ?DO pcr LOOP dup pcol @ < IF RET pcol off THEN pcol @ - spaces ; | : pat? ( -- row col) prow @ pcol @ ; | : ptype ( adr len --) dup pcol +! bounds ?DO I c@ p! LOOP ; \ Printer output 28Jun86 | Output: >printer pemit pcr ptype pdel ppage pat pat? ; Forth definitions : print >printer normal ; : printable? ( char -- f) bl Ascii ~ uwithin ; \ Variables and Setup 23Oct86 Printer definitions $00 | Constant logo | Variable pageno | Create scr#s $0E allot \ enough room for 6 screens | : header ( -- ) 12cpi 4 spaces ." Page No " +dark pageno @ 2 .r $0D spaces ." volksFORTH83 der FORTH-Gesellschaft eV " 5 spaces file? -dark 1 pageno +! 17cpi ; \ Print 2 screens across on a page 03dec85 | : text? ( scr# -- f) block dup c@ printable? IF b/blk -trailing nip 0= THEN 0= ; | : pr ( scr# --) dup capacity 1- u> IF drop logo THEN 1 scr#s +! scr#s dup @ 2* + ! ; | : 2pr ( scr#1 scr#2 line# --) cr dup 2 .r space c/l * >r pad $101 bl fill swap block r@ + pad c/l cmove block r> + pad c/l + 1+ c/l cmove pad $101 -trailing type ; | : 2scr ( scr#1 scr#2 --) cr cr $1E spaces +wide +dark over 4 .r $1C spaces dup 4 .r -wide -dark cr l/s 0 DO 2dup I 2pr LOOP 2drop ; \ Printer 6 screens on a page 03dec85 | : pr-start ( --) scr#s off 1 pageno ! ; | : pagepr ( --) header scr#s off scr#s 2+ 3 0 DO dup @ over 6 + @ 2scr 2+ LOOP drop page ; | : shadowpr ( --) header scr#s off scr#s 2+ 3 0 DO dup @ over 2+ @ 2scr 4 + LOOP drop page ; | : pr-flush ( -- f) scr#s @ dup \ any screens left over? IF BEGIN scr#s @ 5 < WHILE -1 pr REPEAT logo pr THEN 0<> ; \ Printer 6 screens on a page 23Nov86Forth definitions : pthru ( first last --) printsem lock output push print pr-start 1+ swap ?DO I text? IF I pr THEN scr#s @ 6 = IF pagepr THEN LOOP pr-flush IF pagepr THEN printsem unlock ; : document ( first last --) isfile@ IF capacity 2/ shadow ! THEN printsem lock output push print pr-start 1+ swap ?DO I text? IF I pr I shadow @ + pr THEN scr#s @ 6 = IF shadowpr THEN LOOP pr-flush IF shadowpr THEN printsem unlock ; : listing ( --) 0 capacity 2/ 1- document ; \ Printerspool 03Nov86 \needs Task \\ | Input: noinput 0 false drop 2drop ; $100 $200 noinput Task spooler keyboard : spool ( from to -- ) isfile@ spooler 3 pass isfile ! pthru stop ;
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