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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-02-22 22:32:12 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-02-22 22:32:12 -0800 |
| commit | fdc3df04300f20fac81792d1f5ee1e170a5644ec (patch) | |
| tree | 939b3d091baa7b62ab1a86ba761bd0c8513921d6 /baremetal/501draw-text.mu | |
| parent | a4bc5df0809319e118be77246aa12aa639d82f1a (diff) | |
| download | mu-fdc3df04300f20fac81792d1f5ee1e170a5644ec.tar.gz | |
7788
Diffstat (limited to 'baremetal/501draw-text.mu')
| -rw-r--r-- | baremetal/501draw-text.mu | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/baremetal/501draw-text.mu b/baremetal/501draw-text.mu index b2c2136f..b17b54a3 100644 --- a/baremetal/501draw-text.mu +++ b/baremetal/501draw-text.mu @@ -62,6 +62,25 @@ fn move-cursor-down screen: (addr screen) { set-cursor-position screen, cursor-x, cursor-y } +fn move-cursor-to-start-of-next-line screen: (addr screen) { + var dummy/eax: int <- copy 0 + var _height/ecx: int <- copy 0 + dummy, _height <- screen-size screen + var limit/edx: int <- copy _height + limit <- decrement + var cursor-x/eax: int <- copy 0 + var cursor-y/ecx: int <- copy 0 + cursor-x, cursor-y <- cursor-position screen + compare cursor-y, limit + { + break-if-< + return + } + cursor-y <- increment + cursor-x <- copy 0 + set-cursor-position screen, cursor-x, cursor-y +} + fn draw-grapheme-at-cursor screen: (addr screen), g: grapheme, color: int, background-color: int { var cursor-x/eax: int <- copy 0 var cursor-y/ecx: int <- copy 0 |