zhengYuanWang的博客

1.请问，正数和负数各有多少？data1: db 0x05,0xff,0x80,0xf0,0x97,0x30data2: dw 0x90,0xfff0,0xa0,0x1235,0x2f,0xc0,0xc5bc答案：data1:正数2个，负数4个data2:正数5个，负数2个2.尝试写一个主引导扇区程序完成上面工作代码如下： jmp near start ;跳过以下数据区域mytext1:db 'd',0x07,'a',0x07,'t',0x07,'a',0x07,'