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

2022-12-21 08:31:11 +00:00
parent ea8d46b0f0
commit a3be1de07d
1 changed files with 3 additions and 3 deletions
--- a/arch/x86_64/start_64.S
+++ b/arch/x86_64/start_64.S
@@ -15,10 +15,10 @@ kernel_identifier:

 vga_clear:
 	mov $0xb8000, %rdi		# VGA buffer
-	mov $500, %rcx			# 4,000 bytes to clear = 500 quadwords
-	mov $0x0, %rax
+	mov $1000, %rcx			# 4,000 bytes to clear = 2,000 words
+	mov $0x0700, %rax

-	rep stosq
+	rep stosw

 	ret