?? io.h
字號:
#define outb(value,port) \__asm__ ("outb %%al,%%dx"::"a" (value),"d" (port))#define inb(port) ({ \unsigned char _v; \__asm__ volatile ("inb %%dx,%%al":"=a" (_v):"d" (port)); \_v; \})#define outb_p(value,port) \__asm__ ("outb %%al,%%dx\n" \ "\tjmp 1f\n" \ "1:\tjmp 1f\n" \ "1:"::"a" (value),"d" (port))#define inb_p(port) ({ \unsigned char _v; \__asm__ volatile ("inb %%dx,%%al\n" \ "\tjmp 1f\n" \ "1:\tjmp 1f\n" \ "1:":"=a" (_v):"d" (port)); \_v; \})
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -