From: Minep <zelong56@gmail.com>
Date: Tue, 3 May 2022 14:22:16 +0000 (+0100)
Subject: Implement (half) simple semaphore & mutex lock, and ...
X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/commitdiff_plain/a0655e5d30f3cdc73b1aaaa4825d8fae9f92ce4a?hp=a0655e5d30f3cdc73b1aaaa4825d8fae9f92ce4a

Implement (half) simple semaphore & mutex lock, and ...
Use vga cursor.
Address the issue of spurious IRQ#1 which interference key hanlder when receiving the command response byte.
Refactoring and commentings.
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