diff options
Diffstat (limited to 'devices/ps2_keyboard.c')
| -rw-r--r-- | devices/ps2_keyboard.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/devices/ps2_keyboard.c b/devices/ps2_keyboard.c index 6171d18..e5af423 100644 --- a/devices/ps2_keyboard.c +++ b/devices/ps2_keyboard.c @@ -11,9 +11,16 @@ const uint8_t comm_write_ctrl_config = 0x60; const uint8_t data_port = 0x60; // rw const uint8_t data_enable_scanning = 0xf4; -const char scancodes[] = {'E', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', 'T', 'q', 'w', 'e', - 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 'C', 'a', 's', 'd', 'f', 'g', 'h', 'j', - 'k', 'l', ';', '\'', '`', 'L', '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 'R'}; +const char scancodes[2][68] = {{'E', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', + 'T', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', + 'C', 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 'L', + '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 'R', 'P', 'A', + ' ', 'C', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0'}, + {'E', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', 'T', 'Q', 'W', + 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', 'C', 'A', 'S', 'D', 'F', 'G', + 'H', 'J', 'K', 'L', ':', '"', '~', 'L', '|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', + '>', '?', 'R', 'P', 'A', ' ', 'C', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0'}}; +int shift_case = 0; void ps2_keyboard_init() @@ -32,9 +39,22 @@ void ps2_keyboard_irq_handler() { const uint8_t key = inb(data_port); + + switch (key) { + case 0x2a: // left shift down + case 0x36: // right shift down + shift_case = 1; + return; + + case 0xaa: // left shift up + case 0xb6: // right shift up + shift_case = 0; + return; + } + if (key >= 0x80) return; - if (key < 0x37) printf("%c", scancodes[key - 1]); + if (key < (sizeof(scancodes[0]) / sizeof(const char))) printf("%c", scancodes[shift_case][key - 1]); else printf("key pressed: %x\n", key); } |