49 lines
821 B
Forth
49 lines
821 B
Forth
\ requires bel.lib
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\ requires g0.lib
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\ requires ari.lib
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hex
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: it ; \ fuer forget
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variable colortab 40 4* 4 - allot
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variable tiletab g0:xtiles g0:ytiles * 2* 4 - allot
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: fillcolortab
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colortab
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40 0 do
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i dup + 4 + 0F and 00001010 * 0D060D02 +
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over L! 4+
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loop drop
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;
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: filltilescreen
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tiletab g0:disp_base 6 rshift
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g0:ytiles 0 do
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g0:xtiles 0 do
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swap 2dup W! 2+ swap g0:ytiles +
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loop 341 +
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loop 2drop ;
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decimal
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: setscreen
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fillcolortab filltilescreen
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tiletab colortab g0:setscreen
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;
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: tpix
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g0:load setscreen g0:static
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g0:clear 14 g0:width 1 g0:color
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g0:xtiles 0 do i 16 * 8 +
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g0:ytiles 0 do i 16 * 8 + over g0:plot loop drop
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loop
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key g0:clear
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2000 0 do
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rnd 31 and g0:width rnd 3 and g0:color
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rnd rnd g0:plot
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loop
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key g0:reboot
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cr ." erledigt" cr
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;
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