[x] -> {x}. einige bugs bei stackoperationen ausgebessert
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Denis Knauf
parent
ef5123fde5
commit
f6f7aa8ef1
108
presentation.fs
108
presentation.fs
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@ -11,45 +11,50 @@
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;
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: <presentation> ( -- 0 addr0 ) 0 here ;
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: </presentation> ( 0 <addr...> -- faddr paddr 0 )
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0 ,
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dup begin swap dup , 0= until
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here 0
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: </presentation> ( 0 <addr...> -- faddr laddr paddr 0 )
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here .s \ 0 <addr...> faddr
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begin swap dup \ 0 <addr..> addr0 faddr
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while
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s" New page at " type here . s" to " type dup . newline type
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, \ 0 <addr..> faddr
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repeat .s
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drop \ faddr
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here dup 0 \ faddr laddr paddr 0
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;
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: csi ( -- ) 27 emit 91 emit ;
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: sgr ( u -- ) csi 0 0 d.r 109 emit ;
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: beep 7 type ;
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\ Es folgen ein paar blockorientierte Kennzeichnungen.
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: [h] ( addr -- addr ) ;
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: [/h] ( addr -- addr ) ;
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: [p] ( addr -- addr ) ;
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: [/p] ( addr -- addr ) ;
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: <h> ( -- addr u0 ) ['] [h] , here 0 ;
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: </h> ( addr len -- ) ['] [/h] , swap ! ;
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: <p> ( -- addr u0 ) ['] [p] , here 0 ;
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: </p> ( addr len -- ) ['] [/p] , swap ! ;
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: {h} ( addr -- addr ) ;
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: {/h} ( addr -- addr ) ;
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: {p} ( addr -- addr ) ;
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: {/p} ( addr -- addr ) ;
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: <h> ( -- addr u0 ) ['] {h} , here 0 ;
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: </h> ( addr len -- ) ['] {/h} , swap ! ;
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: <p> ( -- addr u0 ) ['] {p} , here 0 ;
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: </p> ( addr len -- ) ['] {/p} , swap ! ;
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\ Es folgen ein paar syntaktische Textauszeichnungen.
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: [i] ( addr -- addr ) 7 sgr ;
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: [/i] ( addr -- addr ) 27 sgr ;
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: [b] ( addr -- addr ) 1 sgr ;
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: [/b] ( addr -- addr ) 22 sgr ;
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: [u] ( addr -- addr ) 4 sgr ;
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: [/u] ( addr -- addr ) 24 sgr ;
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: [fc] ( addr -- addr ) dup @ 30 + sgr 1 cells + ;
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: [/fc] ( addr -- addr ) 39 sgr ;
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: [bc] ( addr -- addr ) dup @ 40 + sgr 1 cells + ;
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: [/bc] ( addr -- addr ) 49 sgr ;
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: <i> ( -- ) ['] [i] , ;
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: </i> ( -- ) ['] [/i] , ;
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: <u> ( -- ) ['] [u] , ;
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: </u> ( -- ) ['] [/u] , ;
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: <b> ( -- ) ['] [b] , ;
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: </b> ( -- ) ['] [/b] , ;
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: <fc> ( -- ) ['] [fc] , ;
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: </fc> ( -- ) ['] [/fc] , ;
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: <bc> ( -- ) ['] [bc] , ;
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: </bc> ( -- ) ['] [/bc] , ;
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: {i} ( addr -- addr ) 7 sgr ;
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: {/i} ( addr -- addr ) 27 sgr ;
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: {b} ( addr -- addr ) 1 sgr ;
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: {/b} ( addr -- addr ) 22 sgr ;
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: {u} ( addr -- addr ) 4 sgr ;
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: {/u} ( addr -- addr ) 24 sgr ;
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: {fc} ( addr -- addr ) dup @ 30 + sgr 1 cells + ;
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: {/fc} ( addr -- addr ) 39 sgr ;
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: {bc} ( addr -- addr ) dup @ 40 + sgr 1 cells + ;
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: {/bc} ( addr -- addr ) 49 sgr ;
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: <i> ( -- ) ['] {i} , ;
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: </i> ( -- ) ['] {/i} , ;
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: <u> ( -- ) ['] {u} , ;
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: </u> ( -- ) ['] {/u} , ;
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: <b> ( -- ) ['] {b} , ;
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: </b> ( -- ) ['] {/b} , ;
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: <fc> ( -- ) ['] {fc} , ;
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: </fc> ( -- ) ['] {/fc} , ;
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: <bc> ( -- ) ['] {bc} , ;
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: </bc> ( -- ) ['] {/bc} , ;
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: <np> ( -- addr ) \ Wir legen jede Anfangsadresse einer Seite auf den Stack (Achtung, in umgekehrter Reihenfolge
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here
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@ -74,40 +79,41 @@
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: page_steps ( laddr paddr 0 [u] -- laddr naddr )
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\ u muss ungleich 0 sein. falls u nicht vorhanden: 1
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dup 0= if 1 then nip cells -
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dup 0= if 1 then \ laddr paddr 0 u
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nip cells -
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;
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: validpage? ( faddr laddr paddr -- faddr laddr paddr u )
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2dup > \ faddr laddr paddr u
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2over drop over \ faddr laddr paddr x faddr x )
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>= and
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2over drop rot tuck <
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rot and
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;
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: showpage' ( paddr -- )
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dup 1 cells + @ swap @ swap \ paddr naddr addr
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0 sgr \ Alle Bildschirmeigenschaften zuruecksetzen
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csi s" 2J" type \ Bildschirm leeren
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begin 2dup >
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while
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dup 1 cells + swap \ ... xtaddr+1 xtaddr
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@ \ ... xtaddr xt
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execute \ verschiebt eventuell den Zeiger noch weiter, da es Parameter erwartet.
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repeat
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drop drop
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dup cell+ \ paddr paddr+cell
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@ swap @ \ naddr addr \ Seiteninhaltsadressen
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0 sgr \ Alle Bildschirmeigenschaften zuruecksetzen
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\ csi s" 2J" type \ Bildschirm leeren
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begin 2dup >
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while
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dup cell+ swap \ naddr xtaddr xtaddr
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@ \ naddr xtaddr xt
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execute \ verschiebt eventuell den Zeiger noch weiter, wenn es Parameter erwartet.
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repeat
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drop drop
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;
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: showpage ( faddr laddr paddr -- faddr laddr paddr 0 )
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validpage?
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if showpage'
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else beep
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then 0
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0= if beep then
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dup showpage' 0
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;
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: p ( faddr laddr paddr 0 [u] -- faddr laddr paddr 0 )
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page_steps \ faddr paddr x
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: n ( faddr laddr paddr 0 [u] -- faddr laddr paddr 0 )
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page_steps \ faddr laddr paddr x
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showpage
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;
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: g ( faddr laddr paddr 0 u -- faddr laddr paddr 0 )
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cells
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showpage
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;
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: p ( faddr paddr 0 [u] -- faddr paddr 0 )
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: p ( faddr laddr paddr 0 [u] -- faddr laddr paddr 0 )
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negate n
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;
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