K 10
svn:author
V 6
tsoome
K 8
svn:date
V 27
2020-06-16T20:35:00.058632Z
K 7
svn:log
V 160
boot2: need to expand tab output and mask getchar

The BIOS ouput char function does not expand tab.
Mask getchar with 0xFF.

Sponsored by:	Netflix, Klara Inc.

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