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17 lines
553 B
Plaintext
17 lines
553 B
Plaintext
: (emit)
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DUP 0x08 = IF DROP _bs EXIT THEN
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DUP 0x0d = IF DROP _lf EXIT THEN
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0x20 - DUP 0< IF DROP EXIT THEN
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DUP 0x5e > IF DROP 0x5e THEN ( tilenum ) XYPOS @ _cell!
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XYPOS @ 1+ DUP [ VDP_COLS VDP_ROWS * LITN ]
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= IF DROP 0 THEN XYPOS ! ;
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: VDP$
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9 0 DO _idat I 2 * + @ _ctl LOOP _blank
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( palettes )
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0xc000 _ctl
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( BG ) 1 _zero 0x3f _data 14 _zero
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( sprite, inverted colors ) 0x3f _data 15 _zero
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0x4000 _ctl 0x5e 0 DO ~FNT I 7 * + _sfont LOOP
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0 XYPOS !
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( bit 6, enable display, bit 7, ?? ) 0x81c0 _ctl ;
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