sim86 listing_0043_immediate_movs listing_0044_register_movs listing_0045_challenge_register_movs listing_0046_add_sub_cmp listing_0047_challenge_flags listing_0048_ip_register listing_0049_conditional_jumps listing_0050_challenge_jumps listing_0051_memory_mov listing_0052_memory_add_loop listing_0053_add_loop_challenge listing_0054_draw_rectangle test.asm test image.data