234 lines
6.6 KiB
C
234 lines
6.6 KiB
C
// This is a personal academic project. Dear PVS-Studio, please check it.
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// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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#include "keyboard.h"
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#define SIZE 1
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static unsigned char kbd[250];
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static unsigned char kbd_sh[250];
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unsigned char buffer[SIZE] = {0};
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unsigned char *current = buffer;
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unsigned char *last = buffer;
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void saveChar(unsigned char c) {
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*last++ = c;
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if (last - buffer == SIZE)
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last = buffer;
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}
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char flagChangeAlt = 1;
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char flagChangeF1 = 1;
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unsigned char flag = 1;
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void testKeyboardInterrupt(unsigned char c) {
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if (c == 0x2A || c == 0x36) {
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flag = 0;
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return;
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} else if (c == 0xAA || c == 0xB6) {
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flag = 1;
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return;
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} else if (c == 0x3A) {
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flag = ~(flag | 0xFE);
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} else if (c == 0x38) {
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flagChangeAlt = 0;
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} else if (c == 0x3B) {
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flagChangeF1 = 0;
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}
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if (flagChangeAlt == 0 && flagChangeF1 == 0) {
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flagChangeAlt = 1;
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flagChangeF1 = 1;
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// saveChar('\v');
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saveChar(-1);
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return;
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} else if (c == 0xB8) {
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flagChangeAlt = 1;
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return;
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} else if (c == 0xBB) {
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flagChangeF1 = 1;
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return;
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}
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if (flag == 0) {
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c = kbd_sh[c];
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if (c != 0)
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saveChar(c);
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} else {
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c = kbd[c];
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if (c != 0)
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saveChar(c);
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}
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}
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unsigned char getKeyFromBuffer() {
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if (current - buffer == SIZE) {
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current = buffer;
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}
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char aux = *current;
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*current++ = 0;
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return aux;
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}
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void keyboard_handler() {
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unblockIO();
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unsigned char c = getCharInterrupt();
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testKeyboardInterrupt(c);
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}
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#ifndef SPANISH
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static unsigned char kbd[250] = {
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0, 27, '1', '2', '3', '4', '5', '6', '7', '8', /* 9 */
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'9', '0', '-', '=', '\b', /* Backspace */
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'\t', /* Tab */
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'q', 'w', 'e', 'r', /* 19 */
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't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', /* Enter key */
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0, /* 29 - Control */
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'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* 39 */
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'\'', '`', 0, /* Left shift */
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'\\', 'z', 'x', 'c', 'v', 'b', 'n', /* 49 */
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'm', ',', '.', '/', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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0, /* 59 - F1 key ... > */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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0, /* Home key */
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0, /* Up Arrow */
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0, /* Page Up */
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'-',
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0, /* Left Arrow */
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0,
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0, /* Right Arrow */
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'+',
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0, /* 79 - End key*/
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0, /* Down Arrow */
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0, /* Page Down */
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0, /* Insert Key */
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0, /* Delete Key */
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0, 0, 0,
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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static unsigned char kbd_sh[250] = {
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0, 27, '!', '\"', '#', 0 /* shift+4 */, '%', '&', '/', '(', /* 9 */
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')', '=', '?', '`', '\b', /* Backspace */
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'\t', /* Tab */
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'Q', 'W', 'E', 'R', /* 19 */
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'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', /* Enter key */
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0, /* 29 - Control */
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'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* 39 */
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'\'', '>', 0, /* Left shift */
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'|', 'Z', 'X', 'C', 'V', 'B', 'N', /* 49 */
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'M', ';', ':', '_', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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0, /* 59 - F1 key ... > */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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0, /* Home key */
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0, /* Up Arrow */
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0, /* Page Up */
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'-',
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0, /* Left Arrow */
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0,
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0, /* Right Arrow */
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'+',
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0, /* 79 - End key*/
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0, /* Down Arrow */
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0, /* Page Down */
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0, /* Insert Key */
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0, /* Delete Key */
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0, 0, '>',
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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#else
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static unsigned char kbd[250] = {
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0, 124, '1', '2', '3', '4', '5', '6', '7', '8', /* 9 */
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'9', '0', '\'', 168, '\b', /* Backspace */
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'\t', /* Tab */
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'q', 'w', 'e', 'r', /* 19 */
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't', 'y', 'u', 'i', 'o', 'p', 96, '+', '\n', /* Enter key */
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0, /* 29 - Control */
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'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 164, /* ñ */
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'{', '}', 0, /* Left shift */
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'<', 'z', 'x', 'c', 'v', 'b', 'n', /* 49 */
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'm', ',', '.', '-', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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0, /* 59 - F1 key ... > */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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0, /* Home key */
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0, /* Up Arrow */
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0, /* Page Up */
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'-',
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0, /* Left Arrow */
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0,
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0, /* Right Arrow */
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'+',
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0, /* 79 - End key*/
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0, /* Down Arrow */
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0, /* Page Down */
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0, /* Insert Key */
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0, /* Delete Key */
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0, 0, 0,
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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static unsigned char kbd_sh[250] = {
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0, 167, 21, '\"', '#', '$', '%', '&', '/', '(', /* 9 */
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')', '=', '?', 173, '\b', /* Backspace */
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'\t', /* Tab */
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'Q', 'W', 'E', 'R', /* 19 */
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'T', 'Y', 'U', 'I', 'O', 'P', 0, '*', '\n', /* Enter key */
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0, /* 29 - Control */
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'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', 165, /* 39 */
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'[', ']', 0, /* Left shift */
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'>', 'Z', 'X', 'C', 'V', 'B', 'N', /* 49 */
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'M', ';', ':', '_', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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0, /* 59 - F1 key ... > */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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0, /* Home key */
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0, /* Up Arrow */
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0, /* Page Up */
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'-',
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0, /* Left Arrow */
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0,
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0, /* Right Arrow */
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'+',
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0, /* 79 - End key*/
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0, /* Down Arrow */
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0, /* Page Down */
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0, /* Insert Key */
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0, /* Delete Key */
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0, 0, '>',
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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#endif |