📄 kbd.h

📁 用于汇编领域的,运用于OS的MAIN函数.基于硬件基础的源代码

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#ifndef __KBD_H_#define __KBD_H_/* Define keyboard IRQ number */#define KBD_IRQ		1/* I/O port */#define KBD_CMD		0x64#define KBD_DATA	0x60/* Bits in status port */#define KBD_OUTPUT_FULL	0x01/* High bit in scan code is set when key is released */#define KBD_KEY_RELEASE	0x80/* Each keyboard event generates a 16bit code. * - The low 10 bits indicate which key was used. * - If bit 8 (KEY_SPECIAL_FLAG) is 0, the low 8 bits contain the ASCII code * - The flags indicate the shift/alt/control state, *   and whether the event was a make or release. */typedef unsigned short keycode;/* Flags */#define KEY_SPECIAL_FLAG	0x0100#define KEY_KEYPAD_FLAG		0x0200#define KEY_SHIFT_FLAG		0x1000#define KEY_ALT_FLAG		0x2000#define KEY_CTRL_FLAG		0x4000#define KEY_RELEASE_FLAG	0x8000/* Special key codes */#define _SPECIAL(num) (KEY_SPECIAL_FLAG | (num))#define KEY_UNKNOWN	_SPECIAL(0)#define KEY_F1		_SPECIAL(1)#define KEY_F2		_SPECIAL(2)#define KEY_F3		_SPECIAL(3)#define KEY_F4		_SPECIAL(4)#define KEY_F5		_SPECIAL(5)#define KEY_F6		_SPECIAL(6)#define KEY_F7		_SPECIAL(7)#define KEY_F8		_SPECIAL(8)#define KEY_F9		_SPECIAL(9)#define KEY_F10		_SPECIAL(10)#define KEY_F11		_SPECIAL(11)#define KEY_F12		_SPECIAL(12)#define KEY_LCTRL	_SPECIAL(13)#define KEY_RCTRL	_SPECIAL(14)#define KEY_LSHIFT	_SPECIAL(15)#define KEY_RSHIFT	_SPECIAL(16)#define KEY_LALT	_SPECIAL(17)#define KEY_RALT	_SPECIAL(18)#define KEY_PRINTSCRN	_SPECIAL(19)#define KEY_CAPSLOCK	_SPECIAL(20)#define KEY_NUMLOCK	_SPECIAL(21)#define KEY_SCRLOCK	_SPECIAL(22)#define KEY_SYSREQ	_SPECIAL(23)/* Keypad keys */#define KEYPAD_START	128#define _KEYPAD(num)	(KEY_KEYPAD_FLAG | KEY_SPECIAL_FLAG | (num + KEYPAD_START))#define KEY_KPHOME	_KEYPAD(0)#define KEY_KPUP	_KEYPAD(1)#define KEY_KPPGUP	_KEYPAD(2)#define KEY_KPMINUS	_KEYPAD(3)#define KEY_KPLEFT	_KEYPAD(4)#define KEY_KPCENTER	_KEYPAD(5)#define KEY_KPRIGHT	_KEYPAD(6)#define KEY_KPPLUS	_KEYPAD(7)#define KEY_KPEND	_KEYPAD(8)#define KEY_KPDOWN	_KEYPAD(9)#define KEY_KPPGDN	_KEYPAD(10)#define KEY_KPINSERT	_KEYPAD(11)#define KEY_KPDEL	_KEYPAD(12)#define ASCII_ESC	0x1B#define ASCII_BS	0x08/* Public functions */void init_kbd(void);#endif

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