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https://github.com/hsoft/collapseos.git
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2f1e635b9d
Pushed all words directly interfacing with ports and memory offsets to low level layers. This saves us the need for keeping those variables in runtime memory.
10 lines
247 B
Plaintext
10 lines
247 B
Plaintext
: _yinc 0x07 _cmd ; : _xinc 0x05 _cmd ;
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: _zoff! ( off -- ) 0x40 + _cmd ;
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: _col! ( col -- ) 0x20 + _cmd ;
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: _row! ( row -- ) 0x80 + _cmd ;
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: LCD$
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H@ [ LCD_MEM LITN ] ! FNTH 2 * 2+ ALLOT
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LCDON 0x01 ( 8-bit mode ) _cmd
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FNTH 1+ _zoff!
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;
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