diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/kernel/input/ps2/keyboard.c | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/src/kernel/input/ps2/keyboard.c b/src/kernel/input/ps2/keyboard.c index 7d66ed9..0fd97c9 100644 --- a/src/kernel/input/ps2/keyboard.c +++ b/src/kernel/input/ps2/keyboard.c @@ -2,11 +2,43 @@ #include <kernel/io/io.h> #include <kernel/graphics/vesa.h> +int shift_pressed = 0; + char keymap[128] = { 0 /*E*/, 27, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', - 0 /*C*/, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0 /*LS*/, - '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0 /*RS*/, '*', + 0 /*C*/, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 14 /*LS*/, + '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 14 /*RS*/, '*', + 0, // Alt key + ' ', // Space bar + 0, // Caps lock + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // F keys + 0, // Num lock + 0, // Scroll lock + 0, // Home key + 0, // Up arrow + 0, // Page up + '-', + 0, // Left arrow + 0, + 0, // Right arrow + '+', + 0, // End key + 0, // Down arrow + 0, // Page down + 0, // Insert key + 0, // Delete key + 0, 0, 0, + 0, // F11 + 0, // F12 + 0, // Other keys +}; + +char shift_keymap[128] = { + 0 /*E*/, 27, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', '\b', + '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', + 0 /*C*/, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~', 14 /*LS*/, + '|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 14 /*RS*/, '*', 0, // Alt key ' ', // Space bar 0, // Caps lock @@ -34,11 +66,20 @@ char keymap[128] = { void keyboard_handler(struct regs *r) { unsigned char scan_code; + char *current_keymap = keymap; + if (shift_pressed) current_keymap = shift_keymap; scan_code = receive_b(0x60); - if (!(scan_code & 0x80)) { - vesa_keyboard_char(keymap[scan_code]); + if (!(scan_code & 0x80)) { // PRESS + if (current_keymap[scan_code] == 14) { + shift_pressed = 1; + return; + } + vesa_keyboard_char(current_keymap[scan_code]); + } else if (scan_code & 0x80) { // RELEASE + char key = current_keymap[scan_code]; + if (key == 14) shift_pressed = 0; } } |