mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-11-17 19:04:41 +00:00
256 lines
16 KiB
Forth
256 lines
16 KiB
Forth
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\ *** Block No. 0 Hexblock 0
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\\ *** Graphic - Demonstrationen *** 26may86we
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Dieses File enth<EFBFBD>lt einige Graphic-Demos, die von den Line-A
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Routinen Gebrauch machen.
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Hier bietet sich auch dem Anf<EFBFBD>nger ein weites Feld f<EFBFBD>r eigene
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Versuche. Mit CHECKING ON kann man die gr<EFBFBD>bsten Fehler abfan-
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gen, alledings auf Kosten der Geschwindigkeit.
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\ *** Block No. 1 Hexblock 1
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\ Demo Loadscreen 21sep86we
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\needs Graphics include line_a.scr
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Onlyforth Graphics also definitions
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1 &11 +thru
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moire
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kaleidos
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lines
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boxes
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rechtecke
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rechtecke1
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\ *** Block No. 2 Hexblock 2
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\ patterns 18sep86we
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1 ?head !
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: !pattern ( d -- ) Create , , ;
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$C000.C000 !pattern p1 $CCCC.3333 !pattern p2
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$C0C0.3030 !pattern p3 $0303.0C0C !pattern p4
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$C003.300C !pattern p5 $C3C3.3C3C !pattern p6
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$FFFF.8001 !pattern p7 $40A0.8040 !pattern p8
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$4444.0000 !pattern p9 $FFFF.2222 !pattern p10
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$4444.8282 !pattern p11 $8080.8888 !pattern p12
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$0000.1010 !pattern p13 $0101.8080 !pattern p14
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$7777.8888 !pattern p15 $7E7E.8181 !pattern p16
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$E640.FFFF !pattern p17 $3838.C6C6 !pattern p18
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0 ?head !
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\ *** Block No. 3 Hexblock 3
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\ patterns 21may86we
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Create patterns p1 , p2 , p3 , p4 , p5 , p6 ,
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p7 , p8 , p9 , p10 , p11 , p12 ,
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p13 , p14 , p15 , p16 , p17 , p18 ,
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\ *** Block No. 4 Hexblock 4
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\ diamonds 20sep86we
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| : yscale &400 &640 */ ;
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: diamond ( size -- )
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>r cur_x @ cur_y @
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2dup swap r@ - swap 2swap 2over set
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2dup r@ yscale - draw
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2dup swap r@ + swap draw
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2dup r> yscale + draw
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2swap draw set ;
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: big_diamond 2 wr_mode !
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&319 0 &639 &200 &319 &399 0 &200 4 polygon ;
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\ *** Block No. 5 Hexblock 5
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\ some usefull definitions 20sep86we
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: overwrite 0 wr_mode ! ;
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: exorwrite 2 wr_mode ! ;
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| : home get_res scr_res ! 0 0 set ;
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| : center &320 &200 set ;
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| : wait BEGIN pause key? UNTIL &25 0 at
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getkey $FF and #esc = abort" stopped" ;
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| : logo &117 0 DO ." volksFORTH 83 " LOOP ;
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| : titel
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&21 &24 at ." *** v o l k s F O R T H *** "
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&22 &31 at ." Line-A Graphic " ;
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\ *** Block No. 6 Hexblock 6
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\ patterns example 18sep86we
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: muster
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page overwrite 1 pat_mask !
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$10 0 DO patterns I 2* + @ pattern !
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$10 I $10 * + dup $80 $80 rectangle LOOP
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6 pat_mask !
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$10 0 DO patterns I 2* + @ pattern !
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$110 I $10 * dup >r + $110 r> - $80 $80 rectangle LOOP
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1 pat_mask ! wait ;
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\ *** Block No. 7 Hexblock 7
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\ kaleidoskop 20sep86we
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| : kaleid exorwrite home center
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patterns &30 + @ pattern !
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2 0 DO
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$40 1 DO $140 0 DO I diamond J +LOOP LOOP
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LOOP ;
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: kaleidos page big_diamond kaleid wait ;
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: kaleid1 page logo kaleid wait ;
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: diamonds 1 pat_mask !
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$10 0 DO patterns I 2* + @ pattern !
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page big_diamond wait LOOP ;
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\ *** Block No. 8 Hexblock 8
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\ polygon example 18sep86we
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| : (poly ( x y -- )
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2dup >r &100 + r> &10 +
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2dup >r &10 + r> &90 +
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2dup >r &30 - r> &20 +
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2dup >r &50 - r> &35 -
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2dup >r &30 - r> &85 - 6 polygon ;
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: poly page
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&10 0 DO patterns I 5 + 2* + @ pattern !
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I I * &5 * I &30 * (poly LOOP
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&10 0 DO patterns I 5 + 2* + @ pattern !
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&510 I I * &5 * - I &30 * (poly LOOP
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wait ;
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\ *** Block No. 9 Hexblock 9
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\ moire
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: moire page curoff exorwrite titel
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&400 1 DO
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&640 0 DO I &399 &639 I - 0 line J +LOOP
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&400 0 DO &639 &398 I - 0 I line J +LOOP
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LOOP
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1 &399 DO
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&640 0 DO I &399 &639 I - 0 line J +LOOP
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&400 0 DO &639 &398 I - 0 I line J +LOOP
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-1 +LOOP wait ;
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\ *** Block No. 10 Hexblock A
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\ boxes 17sep86we
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: boxes exorwrite page
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&162 0 DO I I set I dup box
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&639 I 2* - I set I dup box
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I &399 I 2* - set I dup box
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&639 I 2* - &399 I 2* - set I dup box 2 +LOOP
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wait ;
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| Code a>r 4 SP D) D0 move D0 SP ) sub
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6 SP D) D0 move D0 2 SP D) sub Next end-code
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: abox ( x1 y1 x2 y2 -- ) a>r 2swap set box ;
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\ *** Block No. 11 Hexblock B
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\ Rechtecke 17sep86we
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: rechtecke exorwrite page
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0 BEGIN stop? not WHILE
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8 + dup >r r@ &640 mod r@ &400 mod
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&639 r@ - &640 mod &399 r> - &400 mod
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abox REPEAT drop ;
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: rechtecke1 page exorwrite fullpattern pattern !
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BEGIN stop? not WHILE
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&99 3 DO &300 0 DO
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I dup dup J + dup a>r rectangle J +LOOP
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LOOP
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3 &98 DO &300 0 DO
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I dup dup J + dup a>r rectangle J +LOOP
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-1 +LOOP REPEAT ;
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\ *** Block No. 12 Hexblock C
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\ linien punkte 18sep86we
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| : (lines ( abstand -- ) exorwrite
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&640 0 DO &640 0 DO I &399 J 0 line dup +LOOP
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dup +LOOP drop ;
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: lines page home curoff &45 (lines &90 (lines
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BEGIN &45 (lines stop? UNTIL &25 0 at ;
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: kreis_moire page &320 0 DO
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&199 0 DO I dup * J dup * + &300 / 1 and
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IF &320 J + &200 I + 1 put_pixel
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&320 J - &200 I + 1 put_pixel
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&320 J - &200 I - 1 put_pixel
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&320 J + &200 I - 1 put_pixel
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THEN 2 +LOOP LOOP wait ;
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\ *** Block No. 13 Hexblock D
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\ Sprites 20sep86we
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\needs q : q ;
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forget q : q ;
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: Sprite: Create 5 0 DO 4 I - roll , LOOP
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$10 0 DO $FFFF , $0F I - roll , LOOP ;
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Create spritebuf &74 allot
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-->
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\ *** Block No. 14 Hexblock E
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%0000000000000000 \ 20sep86we
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%0111111111111100
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0111111111110000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0100000000000000
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%0000000000000000 0 0 1 0 1 Sprite: test
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