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Code Issues Projects Releases Packages Wiki Activity Actions 9

Enable A20 line at boot.

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This commit is contained in:
Andreas Kling 2018-10-27 14:09:33 +02:00
commit 99ee6acd69
Notes: sideshowbarker 2024-07-19 18:37:39 +09:00
1 changed files with 4 additions and 0 deletions
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4
Kernel/Boot/boot.asm
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@ -21,6 +21,10 @@ boot:
cmp al, 0 cmp al, 0
jne .lewp jne .lewp
; Enable A20
mov ax, 0x2401
int 0x15
mov bx, 0x1000 mov bx, 0x1000
mov es, bx mov es, bx
xor bx, bx ; Load kernel @ 0x10000 xor bx, bx ; Load kernel @ 0x10000