1. 程式人生 > >鍵盤中斷的處理過程

鍵盤中斷的處理過程

(注:當按下“普通鍵”時,它的低8位數存放該字元的ASCII碼。對於特殊鍵,低8位為0。特殊鍵包括箭頭鍵、功能鍵等。高8位位元組存放該鍵的掃描碼(感覺此處掃描碼應該指的是特殊鍵所對應的擴充的ASCII碼)。

掃描碼          鍵
0x011b          ESC
0x3b00          F1
0x3c00          F2
0x3d00          F3
0x3e00          F4
0x3f00          F5
0x4000          F6
0x4100          F7
0x4200          F8
0x4300          F9
0x4400          F10
主鍵盤區:

0x2960          ~
0x0231          1
0x0332          2
0x0433          3
0x0534          4
0x0635          5
0x0736          6
0x0837          7
0x0938          8
0x0a39          9
0x0b30          0
0x0c2d          -
0x0d3d          =
0x2b5c          "
0x0e08          退格鍵
0x0f09          Tab
0x1071          q
0x1177          w
0x1265          e
0x1372          r
0x1474          t
0x1579          y
0x1675          u
0x1769          i
0x186f          o
0x1970          p
0x1a5b          [
0x1b5d          ]
0x1e61          a
0x1f73          s
0x2064          d
0x2166          f
0x2267          g
0x2368          h
0x246a          j
0x256b          k
0x266c          l
0x273b          ;
0x2827          '
0x1c0d          回車
0x2c7a          z
0x2d78          x
0x2e63          c
0x2f76          v
0x3062          b
0x316e          n
0x326d          m
0x332c          ,
0x342e          .
0x352f          /
0x3920          空格鍵
右邊數字鍵盤:

0x5200          Insert
0x4700          Home
0x4900          Page UP
0x5300          Delete
0x4f00          End
0x5100          PageDown
0x4800          上箭頭
0x4b00          左箭頭
0x5000          下箭頭
0x4d00          右箭頭
0x352f          /
0x372a          *
0x4a2d          - (注意,這是數字鍵盤的)
0x4737          7
0x4838          8
0x4939          9
0x4b34          4
0x4c35          5
0x4d36          6
0x4e2b          +
0x4f31          1
0x5032          2
0x5133          3
0x5230          0
0x532e          Del

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

/************鍵盤上各鍵的掃描碼以及組合鍵的掃描碼***************/
#define KEY_L1 0x4F  /*
小寫鍵盤上的鍵*/
#define KEY_L2 0x50
#define KEY_L3 0x51
#define KEY_L4 0x4B
#define KEY_L6 0x4D
#define KEY_L7 0x47
#define KEY_L8 0x48
#define KEY_L9 0x49
#define KEY_ADD 0x2B
#define KEY_SUB 0x2D
#define KEY_LEFT 75      /*
左箭頭*/
#define KEY_RIGHT 77     /*
右箭頭*/
#define KEY_UP 72        /*
上箭頭*/ 
#define KEY_DOWN 80      /*
下箭頭*/
#define KEY_F1 59
#define KEY_F2 60
#define KEY_F3 61
#define KEY_F4 62
#define KEY_F5 63
#define KEY_F6 64
#define KEY_F7 65
#define KEY_F8 66
#define KEY_F9 67
#define KEY_F10 68
#define KEY_INSERT 82
#define KEY_HOME 71
#define KEY_PAGEUP 73
#define KEY_PAGEDOWN 81
#define KEY_DEL 83
#define KEY_END 79

#define KEY_DASH 12 /* _- */
#define KEY_EQUAL 13 /* += */
#define KEY_LBRACKET 26 /* {[ */
#define KEY_RBRACKET 27 /* }] */
#define KEY_SEMICOLON 39 /* :; */
#define KEY_RQUOTE 40 /* ' */
#define KEY_LQUOTE 41 /* ~` */
#define KEY_PERIOD 52 /* >. */
#define KEY_COMMA 51 /* <, */
#define KEY_SLASH 53 /* ?/ */
#define KEY_BACKSLASH 43 /* |" */ 
#define KEY_ENTER 28         /*
回車鍵*/
#define KEY_BACKSPACE 14     /*
退格鍵*/
#define KEY_SPACE 57         /*
空格鍵*/
#define KEY_TAB 15
#define KEY_ESC 1
#define KEY_Q 16
#define KEY_W 17
#define KEY_E 18
#define KEY_R 19
#define KEY_T 20
#define KEY_Y 21
#define KEY_U 22
#define KEY_I 23
#define KEY_O 24
#define KEY_P 25
#define KEY_A 30
#define KEY_S 31
#define KEY_D 32
#define KEY_F 33
#define KEY_G 34
#define KEY_H 35
#define KEY_J 36
#define KEY_K 37
#define KEY_L 38
#define KEY_Z 44
#define KEY_X 45
#define KEY_C 46
#define KEY_V 47
#define KEY_B 48
#define KEY_N 49
#define KEY_M 50
#define KEY_1 2 
#define KEY_2 3
#define KEY_3 4
#define KEY_4 5
#define KEY_5 6
#define KEY_6 7
#define KEY_7 8
#define KEY_8 9
#define KEY_9 10
#define KEY_0 11

/+++++++++++++++++++++++++CTR+各鍵掃描碼+++++++++++++++++++++++++/
#define KEY_F1 0x5E
#define KEY_F2 0x5F
#define KEY_F3 0x60
#define KEY_F4 0x61
#define KEY_F5 0x62
#define KEY_F6 0x63
#define KEY_F7 0x64
#define KEY_F8 0x65
#define KEY_F9 0x66
#define KEY_F10 0x67
#define KEY_2 0x03
#define KEY_6 0x1E
#define KEY_Q 0x11
#define KEY_W 0x17
#define KEY_E 0x05
#define KEY_R 0x12
#define KEY_T 0x14
#define KEY_Y 0x19
#define KEY_U 0x15
#define KEY_I 0x09
#define KEY_O 0x0F
#define KEY_P 0x10
#define KEY_LBRACKET 0x1B   /* {[ */
#define KEY_RBRACKET 0x1D   /* }] */
#define KEY_A 0x01
#define KEY_S 0x13
#define KEY_D 0x04
#define KEY_F 0x06
#define KEY_G 0x07
#define KEY_H 0x08
#define KEY_J 0x0A
#define KEY_K 0x0B
#define KEY_L 0x0C
#define KEY_Z 0x1A
#define KEY_X 0x18
#define KEY_C 0x03
#define KEY_V 0x16
#define KEY_B 0x02
#define KEY_N 0x0E
#define KEY_M 0x0D
#define KEY_SPACE 0x20
#define KEY_BACKSPACE 0x7F
#define KEY_ENTER 0x0A
#define KEY_BACKSLASH 0x1C  /* |" */
#define KEY_L1 0x75  /*
小寫鍵盤上的鍵*/
#define KEY_L3 0x76
#define KEY_L4 0x73
#define KEY_L6 0x74
#define KEY_L7 0x77
#define KEY_L9 0x84

/+++++++++++++++++++++++++SHIFT+各鍵掃描碼+++++++++++++++++++++++++/
#define KEY_LQUOTE 0x7E   /* ~` */
#define KEY_1 0x21
#define KEY_2 0x40
#define KEY_3 0x23
#define KEY_4 0x24
#define KEY_5 0x25
#define KEY_6 0x5E
#define KEY_7 0x26
#define KEY_8 0x2A
#define KEY_9 0x28
#define KEY_0 0x29
#define KEY_DASH 0x5F   /* _- */
#define KEY_EQUAL 0x2B  /* += */
#define KEY_BACKSPACE 0x08
#define KEY_Q 0x51
#define KEY_W 0x57
#define KEY_E 0x45
#define KEY_R 0x52
#define KEY_T 0x54
#define KEY_Y 0x59
#define KEY_U 0x55
#define KEY_I 0x49
#define KEY_O 0x4F
#define KEY_P 0x50
#define KEY_LBRACKET 0x7B  /* {[ */
#define KEY_RBRACKET 0x7D  /* }] */
#define KEY_ENTER 0x0D
#define KEY_A 0x41
#define KEY_S 0x53
#define KEY_D 0x44
#define KEY_F 0x46
#define KEY_G 0x47
#define KEY_H 0x48
#define KEY_J 0x4A

#define KEY_ENTER 0x1c