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start_64 vga_clear now clears the screen AND resets the colour attribute bytes

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max 🍓
2022-12-21 08:31:11 +00:00
parent ea8d46b0f0
commit a3be1de07d
1 changed files with 3 additions and 3 deletions
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6
arch/x86_64/start_64.S
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@@ -15,10 +15,10 @@ kernel_identifier:
vga_clear: vga_clear:
mov $0xb8000, %rdi # VGA buffer mov $0xb8000, %rdi # VGA buffer
mov $500, %rcx # 4,000 bytes to clear = 500 quadwords mov $1000, %rcx # 4,000 bytes to clear = 2,000 words
mov $0x0, %rax mov $0x0700, %rax
rep stosq rep stosw
ret ret