asmtu/boot.asm at main · straa-code/asmtu · GitHub

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org 0x7c00
bits 16

mov ah,0x0C
mov cx,160
mov dx,100
mov al,4
int 0x10


mov ax,0x0003
int 0x10

mov ah,0x0E
mov al,'C'
int 0x10

mov ah,0x0E
mov al,':'
int 0x10

mov ah,0x0E
mov al,'\'
int 0x10

mov ah,0x0E
mov al,'>'
int 0x10

start:
	mov ah,0x00
	int 0x16

	mov ah,0x0E
	int 0x10


	cmp al,'r'
		je r

	cmp al,''

	mov ah,0x0E
	mov al,'C'
	int 0x10

	mov ah,0x0E
	mov al,':'
	int 0x10

	mov ah,0x0E
	mov al,'\'
	int 0x10

	mov ah,0x0E
	mov al,'>'
	int 0x10

r:
	mov ah,0x00
	int 0x16

	cmp al,0x0D
 		je reboot

reboot:
	mov al,0xFE
	out 0x64,al
	jmp $


jmp start

times 510 - ($-$$) db 0
dw 0xAA55