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collapseos/blk/627

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2020-05-15 12:15:31 +10:00
: _set ( row col tilenum -- )
ROT 5 LSHIFT ROT OR 0x7800 OR _ctl
_data 1 _zero
;
: VDP$
9 0 DO _idat I 2 * + @ _ctl LOOP _blank
( palettes )
0xc000 _ctl
( BG ) 1 _zero 0x3f _data 14 _zero
( sprite, inverted colors ) 0x3f _data 15 _zero
0x4000 _ctl 0x5e 0 DO ~FNT I 7 * + _sfont LOOP
0 0 1 _set
;