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Commit Graph

11 Commits

Author SHA1 Message Date
Virgil Dupras
7274dccbe7 Move ASCII consts to ascii.h
And made them shorter in name. The new ascii.h file allow reuse in userspace
code.
2019-11-13 20:38:06 -05:00
Virgil Dupras
30d6fdb16b ti/lcd: use brand new support for IX in SRL and RR 2019-11-10 22:07:44 -05:00
Virgil Dupras
c4658591bd ti/lcd: allow for fonts smaller than 5 pixels
That's a lot of code for such a small change, but there's a big difference
between 5 pixels and 4 pixels: 4 pixels requires compositing.
2019-11-09 22:55:15 -05:00
Virgil Dupras
6d9f96aee6 ti/lcd: add support for backspace
Also, fix visual glitch on line wrap.
2019-11-09 14:37:52 -05:00
Virgil Dupras
67f689260f ti/lcd: Add scrolling through z-offset 2019-11-09 08:25:10 -05:00
Virgil Dupras
6a70a0e5e6 ti/lcd: wrap rows on overflow 2019-11-09 08:09:01 -05:00
Virgil Dupras
6c1b1f2b79 ti/lcd: wrap to next line when overflowing 2019-11-08 22:55:56 -05:00
Virgil Dupras
bb2e528b65 ti/lcd: clear screen on init
LCD RAM persists between reboots, makingit necessary to clear it.

ref #41
2019-11-08 21:54:03 -05:00
Virgil Dupras
6a4bddc493 ti/lcd: ensure that variables are initialized 2019-11-08 11:45:37 -05:00
Virgil Dupras
fda9c9826e ti/lcd: add linefeed support
There's no scrolling yet...

ref #41
2019-11-07 20:53:15 -05:00
Virgil Dupras
ca84b5dac8 recipes/ti84: first step
This was mostly lifted from my "tihello" example, but it required significant
adjustments.

This commit also introduces a font management system. A lot of fonts are
available online, but sources aren't always clear so to avoid copyright
landmines, I re-created my first 5x7 font from scratch.

As it is now, this resulting ROM gets "Collapse OS>" to be displayed on the
LCD screen. Much work still left to do.

ref #41
2019-11-07 11:52:29 -05:00