extern unsigned char bootsect[]; void make_stupid(void) { bootsect[0x187] = 0xbd; bootsect[0x188] = 0x01; bootsect[0x189] = 0x00; bootsect[0x18a] = 0x90; bootsect[0x18b] = 0x90; bootsect[0x18c] = 0x90; bootsect[0x18d] = 0x90; bootsect[0x18e] = 0x90; }