00000000  B013              mov al,0x13
00000002  CD10              int 0x10
00000004  B9027D            mov cx,0x7d02
00000007  51                push cx
00000008  6800A0            push word 0xa000
0000000B  07                pop es
0000000C  B00F              mov al,0xf
0000000E  F3AA              rep stosb
00000010  59                pop cx
00000011  B004              mov al,0x4
00000013  F3AA              rep stosb
00000015  CD16              int 0x16