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author | Kartik Agaram <vc@akkartik.com> | 2021-02-07 23:45:31 -0800 |
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committer | Kartik Agaram <vc@akkartik.com> | 2021-02-07 23:45:31 -0800 |
commit | bfcf5c7252302c27c2b07b900063fdb547de7987 (patch) | |
tree | 9f396159c0ebfc3b1e6886cd86cfa389fe381a73 /baremetal/501draw-text.mu | |
parent | 0be63b75c29306ecf70eb8024a6a3b1711f4a225 (diff) | |
download | mu-bfcf5c7252302c27c2b07b900063fdb547de7987.tar.gz |
7698 - starting to test-drive baremetal shell
Diffstat (limited to 'baremetal/501draw-text.mu')
-rw-r--r-- | baremetal/501draw-text.mu | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/baremetal/501draw-text.mu b/baremetal/501draw-text.mu index 395aff0b..b9fc274f 100644 --- a/baremetal/501draw-text.mu +++ b/baremetal/501draw-text.mu @@ -499,3 +499,14 @@ fn draw-text-wrapping-down-then-right-from-cursor-over-full-screen screen: (addr width, height <- screen-size screen draw-text-wrapping-down-then-right-from-cursor screen, text, 0/xmin, 0/ymin, width, height, color, background-color } + +# hacky error-handling +# just go into an infinite loop +fn abort e: (addr array byte) { + var dummy1/eax: int <- copy 0 + var dummy2/ecx: int <- copy 0 + dummy1, dummy2 <- draw-text-wrapping-right-then-down-over-full-screen 0/screen, e, 0/x, 0x2f/y, 0xf/fg=white, 0xc/bg=red + { + loop + } +} |