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section .asm
extern int21h_handler
extern default_int_handler
global int21h
global default_handler
global idt_load
idt_load:
push ebp
mov ebp, esp
mov ebx, [ebp + 8]
lidt [ebx]
pop ebp
ret
int21h:
cli
pushad ; Push all general-purpose registers to the stack
call int21h_handler
popad
sti
iret
default_handler:
cli
pushad ; Push all general-purpose registers to the stack
call default_int_handler
popad
sti
iret
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