113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
// PC keyboard interface constants
|
|
|
|
#define KBSTATP 0x64 // kbd controller status port(I)
|
|
#define KBS_DIB 0x01 // kbd data in buffer
|
|
#define KBDATAP 0x60 // kbd data port(I)
|
|
|
|
#define NO 0
|
|
|
|
#define SHIFT (1 << 0)
|
|
#define CTL (1 << 1)
|
|
#define ALT (1 << 2)
|
|
|
|
#define CAPSLOCK (1 << 3)
|
|
#define NUMLOCK (1 << 4)
|
|
#define SCROLLLOCK (1 << 5)
|
|
|
|
#define E0ESC (1 << 6)
|
|
|
|
// Special keycodes
|
|
#define KEY_HOME 0xE0
|
|
#define KEY_END 0xE1
|
|
#define KEY_UP 0xE2
|
|
#define KEY_DN 0xE3
|
|
#define KEY_LF 0xE4
|
|
#define KEY_RT 0xE5
|
|
#define KEY_PGUP 0xE6
|
|
#define KEY_PGDN 0xE7
|
|
#define KEY_INS 0xE8
|
|
#define KEY_DEL 0xE9
|
|
|
|
// C('A') == Control-A
|
|
#define C(x) (x - '@')
|
|
|
|
static uchar shiftcode[256] =
|
|
{
|
|
[0x1D] CTL,
|
|
[0x2A] SHIFT,
|
|
[0x36] SHIFT,
|
|
[0x38] ALT,
|
|
[0x9D] CTL,
|
|
[0xB8] ALT
|
|
};
|
|
|
|
static uchar togglecode[256] =
|
|
{
|
|
[0x3A] CAPSLOCK,
|
|
[0x45] NUMLOCK,
|
|
[0x46] SCROLLLOCK
|
|
};
|
|
|
|
static uchar normalmap[256] =
|
|
{
|
|
NO, 0x1B, '1', '2', '3', '4', '5', '6', // 0x00
|
|
'7', '8', '9', '0', '-', '=', '\b', '\t',
|
|
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', // 0x10
|
|
'o', 'p', '[', ']', '\n', NO, 'a', 's',
|
|
'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', // 0x20
|
|
'\'', '`', NO, '\\', 'z', 'x', 'c', 'v',
|
|
'b', 'n', 'm', ',', '.', '/', NO, '*', // 0x30
|
|
NO, ' ', NO, NO, NO, NO, NO, NO,
|
|
NO, NO, NO, NO, NO, NO, NO, '7', // 0x40
|
|
'8', '9', '-', '4', '5', '6', '+', '1',
|
|
'2', '3', '0', '.', NO, NO, NO, NO, // 0x50
|
|
[0x9C] '\n', // KP_Enter
|
|
[0xB5] '/', // KP_Div
|
|
[0xC8] KEY_UP, [0xD0] KEY_DN,
|
|
[0xC9] KEY_PGUP, [0xD1] KEY_PGDN,
|
|
[0xCB] KEY_LF, [0xCD] KEY_RT,
|
|
[0x97] KEY_HOME, [0xCF] KEY_END,
|
|
[0xD2] KEY_INS, [0xD3] KEY_DEL
|
|
};
|
|
|
|
static uchar shiftmap[256] =
|
|
{
|
|
NO, 033, '!', '@', '#', '$', '%', '^', // 0x00
|
|
'&', '*', '(', ')', '_', '+', '\b', '\t',
|
|
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', // 0x10
|
|
'O', 'P', '{', '}', '\n', NO, 'A', 'S',
|
|
'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', // 0x20
|
|
'"', '~', NO, '|', 'Z', 'X', 'C', 'V',
|
|
'B', 'N', 'M', '<', '>', '?', NO, '*', // 0x30
|
|
NO, ' ', NO, NO, NO, NO, NO, NO,
|
|
NO, NO, NO, NO, NO, NO, NO, '7', // 0x40
|
|
'8', '9', '-', '4', '5', '6', '+', '1',
|
|
'2', '3', '0', '.', NO, NO, NO, NO, // 0x50
|
|
[0x9C] '\n', // KP_Enter
|
|
[0xB5] '/', // KP_Div
|
|
[0xC8] KEY_UP, [0xD0] KEY_DN,
|
|
[0xC9] KEY_PGUP, [0xD1] KEY_PGDN,
|
|
[0xCB] KEY_LF, [0xCD] KEY_RT,
|
|
[0x97] KEY_HOME, [0xCF] KEY_END,
|
|
[0xD2] KEY_INS, [0xD3] KEY_DEL
|
|
};
|
|
|
|
static uchar ctlmap[256] =
|
|
{
|
|
NO, NO, NO, NO, NO, NO, NO, NO,
|
|
NO, NO, NO, NO, NO, NO, NO, NO,
|
|
C('Q'), C('W'), C('E'), C('R'), C('T'), C('Y'), C('U'), C('I'),
|
|
C('O'), C('P'), NO, NO, '\r', NO, C('A'), C('S'),
|
|
C('D'), C('F'), C('G'), C('H'), C('J'), C('K'), C('L'), NO,
|
|
NO, NO, NO, C('\\'), C('Z'), C('X'), C('C'), C('V'),
|
|
C('B'), C('N'), C('M'), NO, NO, C('/'), NO, NO,
|
|
[0x9C] '\r', // KP_Enter
|
|
[0xB5] C('/'), // KP_Div
|
|
[0xC8] KEY_UP, [0xD0] KEY_DN,
|
|
[0xC9] KEY_PGUP, [0xD1] KEY_PGDN,
|
|
[0xCB] KEY_LF, [0xCD] KEY_RT,
|
|
[0x97] KEY_HOME, [0xCF] KEY_END,
|
|
[0xD2] KEY_INS, [0xD3] KEY_DEL
|
|
};
|
|
|