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collapseos/arch/z80/ti84/blk/606
Virgil Dupras c7d8de25b2 ti84: use Grid subsystem
Also, rename CLRLN to NEWLN and make it clear that it's only called
on entering a new line. This way, we can set Z offset in there for
the TI-84+ LCD driver.
2020-11-10 20:30:37 -05:00

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( two pixel buffers that are 8 pixels wide (1b) by FNTH
pixels high. This is where we compose our resulting pixels
blocks when spitting a glyph. )
: LCD_BUF 0 _mem+ ;
: _cmd 0x10 ( CMD ) PC! _wait ;
: _data! 0x11 ( DATA ) PC! _wait ;
: _data@ 0x11 ( DATA ) PC@ _wait ;
: LCDOFF 0x02 ( CMD_DISABLE ) _cmd ;
: LCDON 0x03 ( CMD_ENABLE ) _cmd ;