mathieu
/
mbr_asm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

deal with shift keys

master
Mathieu Maret 3 years ago
parent
5fe28f3c26
commit
bffe30c2a2
3 changed files with 298 additions and 140 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 433
      drivers/keyboard.c
  2. 3
      drivers/keyboard.h
  3. 2
      mbr.asm

433
drivers/keyboard.c
View File

@ -1,146 +1,301 @@
#include "keyboard.h"
#include "vga.h"
#include "io.h"
#include "vga.h"
const char *scancode [128] = {
/* 0 */ 0,
/* 1 */ "\e",
/* 2 */ "&",
/* 3 */ "é",
/* 4 */ "\"",
/* 5 */ "'",
/* 6 */ "(",
/* 7 */ "-",
/* 8 */ "è",
/* 9 */ "_",
/* 10 */ "ç",
/* 11 */ "à",
/* 12 */ ")",
/* 13 */ "=",
/* 14 */ "\b", /* Backspace */
/* 15 */ "\t", /* Tab */
/* 16 */ "a",
/* 17 */ "z",
/* 18 */ "e",
/* 19 */ "r",
/* 20 */ "t",
/* 21 */ "y",
/* 22 */ "u",
/* 23 */ "i",
/* 24 */ "o",
/* 25 */ "p",
/* 26 */ "^",
/* 27 */ "$",
/* 28 */ "\n",
/* 29 */ 0, /* left control */
/* 30 */ "q",
/* 31 */ "s",
/* 32 */ "d",
/* 33 */ "f",
/* 34 */ "g",
/* 35 */ "h",
/* 36 */ "j",
/* 37 */ "k",
/* 38 */ "l",
/* 39 */ "m",
/* 40 */ "ù",
/* 41 */ 0,
/* 42 */ 0, /* left shift */
/* 43 */ "*",
/* 44 */ "w",
/* 45 */ "x",
/* 46 */ "c",
/* 47 */ "v",
/* 48 */ "b",
/* 49 */ "n",
/* 50 */ ",",
/* 51 */ ";",
/* 52 */ ":",
/* 53 */ "!",
/* 54 */ 0,
/* 55 */ 0,
/* 56 */ 0,
/* 57 */ " ",
/* 58 */ 0,
/* 59 */ "\eOP", /* F1 */
/* 60 */ "\eOQ", /* F2 */
/* 61 */ "\eOR", /* F3 */
/* 62 */ "\eOS", /* F4 */
/* 63 */ "\e[15~", /* F5 */
/* 64 */ "\e[17~", /* F6 */
/* 65 */ "\e[18~", /* F7 */
/* 66 */ "\e[19~", /* F8 */
/* 67 */ "\e[20~", /* F9 */
/* 68 */ "\e[21~", /* F10 */
/* 69 */ 0,
/* 70 */ 0,
/* 71 */ 0,
/* 72 */ 0,
/* 73 */ 0,
/* 74 */ 0,
/* 75 */ 0,
/* 76 */ 0,
/* 77 */ 0,
/* 78 */ 0,
/* 79 */ 0,
/* 80 */ 0,
/* 81 */ 0,
/* 82 */ 0,
/* 83 */ 0,
/* 84 */ 0,
/* 85 */ 0,
/* 86 */ "<",
/* 87 */ "\e[23~", /* F11 */
/* 88 */ "\e[24~", /* F12 */
/* 89 */ 0,
/* 90 */ 0,
/* 91 */ 0,
/* 92 */ 0,
/* 93 */ 0,
/* 94 */ 0,
/* 95 */ 0,
/* 96 */ 0,
/* 97 */ 0,
/* 98 */ 0,
/* 99 */ 0,
/* 100 */ 0,
/* 101 */ 0,
/* 102 */ 0,
/* 103 */ 0,
/* 104 */ 0,
/* 105 */ 0,
/* 106 */ 0,
/* 107 */ 0,
/* 108 */ 0,
/* 109 */ 0,
/* 110 */ 0,
/* 111 */ 0,
/* 112 */ 0,
/* 113 */ 0,
/* 114 */ 0,
/* 115 */ 0,
/* 116 */ 0,
/* 117 */ 0,
/* 118 */ 0,
/* 119 */ 0,
/* 120 */ 0,
/* 121 */ 0,
/* 122 */ 0,
/* 123 */ 0,
/* 124 */ 0,
/* 125 */ 0,
/* 126 */ 0,
/* 127 */ 0
};
const char *scancode[128] = {
/* 0 */ 0,
/* 1 */ "\e", /* escape */
/* 2 */ "&",
/* 3 */ "é",
/* 4 */ "\"",
/* 5 */ "'",
/* 6 */ "(",
/* 7 */ "-",
/* 8 */ "è",
/* 9 */ "_",
/* 10 */ "ç",
/* 11 */ "à",
/* 12 */ ")",
/* 13 */ "=",
/* 14 */ "\b", /* Backspace */
/* 15 */ "\t", /* Tab */
/* 16 */ "a",
/* 17 */ "z",
/* 18 */ "e",
/* 19 */ "r",
/* 20 */ "t",
/* 21 */ "y",
/* 22 */ "u",
/* 23 */ "i",
/* 24 */ "o",
/* 25 */ "p",
/* 26 */ "^",
/* 27 */ "$",
/* 28 */ "\n",
/* 29 */ 0, /* left control */
/* 30 */ "q",
/* 31 */ "s",
/* 32 */ "d",
/* 33 */ "f",
/* 34 */ "g",
/* 35 */ "h",
/* 36 */ "j",
/* 37 */ "k",
/* 38 */ "l",
/* 39 */ "m",
/* 40 */ "ù",
/* 41 */ 0, /*²*/
/* 42 */ 0, /* left shift */
/* 43 */ "*",
/* 44 */ "w",
/* 45 */ "x",
/* 46 */ "c",
/* 47 */ "v",
/* 48 */ "b",
/* 49 */ "n",
/* 50 */ ",",
/* 51 */ ";",
/* 52 */ ":",
/* 53 */ "!",
/* 54 */ 0, /* right shift*/
/* 55 */ 0,
/* 56 */ 0, /* left alt*/
/* 57 */ " ",
/* 58 */ 0,
/* 59 */ "\eOP", /* F1 */
/* 60 */ "\eOQ", /* F2 */
/* 61 */ "\eOR", /* F3 */
/* 62 */ "\eOS", /* F4 */
/* 63 */ "\e[15~", /* F5 */
/* 64 */ "\e[17~", /* F6 */
/* 65 */ "\e[18~", /* F7 */
/* 66 */ "\e[19~", /* F8 */
/* 67 */ "\e[20~", /* F9 */
/* 68 */ "\e[21~", /* F10 */
/* 69 */ 0,
/* 70 */ 0,
/* 71 */ 0,
/* 72 */ 0,
/* 73 */ 0,
/* 74 */ 0,
/* 75 */ 0,
/* 76 */ 0,
/* 77 */ 0,
/* 78 */ 0,
/* 79 */ 0,
/* 80 */ 0,
/* 81 */ 0,
/* 82 */ 0,
/* 83 */ 0,
/* 84 */ 0,
/* 85 */ 0,
/* 86 */ "<",
/* 87 */ "\e[23~", /* F11 */
/* 88 */ "\e[24~", /* F12 */
/* 89 */ 0,
/* 90 */ 0,
/* 91 */ 0,
/* 92 */ 0,
/* 93 */ 0,
/* 94 */ 0,
/* 95 */ 0,
/* 96 */ 0,
/* 97 */ 0,
/* 98 */ 0,
/* 99 */ 0,
/* 100 */ 0,
/* 101 */ 0,
/* 102 */ 0,
/* 103 */ 0,
/* 104 */ 0,
/* 105 */ 0,
/* 106 */ 0,
/* 107 */ 0,
/* 108 */ 0,
/* 109 */ 0,
/* 110 */ 0,
/* 111 */ 0,
/* 112 */ 0,
/* 113 */ 0,
/* 114 */ 0,
/* 115 */ 0,
/* 116 */ 0,
/* 117 */ 0,
/* 118 */ 0,
/* 119 */ 0,
/* 120 */ 0,
/* 121 */ 0,
/* 122 */ 0,
/* 123 */ 0,
/* 124 */ 0,
/* 125 */ 0,
/* 126 */ 0,
/* 127 */ 0};
const char *scancode_shift[128] = {
/* 0 */ 0,
/* 1 */ "\e",
/* 2 */ "1",
/* 3 */ "2",
/* 4 */ "3",
/* 5 */ "4",
/* 6 */ "5",
/* 7 */ "6",
/* 8 */ "7",
/* 9 */ "8",
/* 10 */ "9",
/* 11 */ "0",
/* 12 */ "°",
/* 13 */ "+",
/* 14 */ "\b", /* Shift-Backspace */
/* 15 */ "\e[Z", /* Shift-Tab */
/* 16 */ "A",
/* 17 */ "Z",
/* 18 */ "E",
/* 19 */ "R",
/* 20 */ "T",
/* 21 */ "Y",
/* 22 */ "U",
/* 23 */ "I",
/* 24 */ "O",
/* 25 */ "P",
/* 26 */ "\"",
/* 27 */ "£",
/* 28 */ "\n",
/* 29 */ 0, /* left control */
/* 30 */ "Q",
/* 31 */ "S",
/* 32 */ "D",
/* 33 */ "F",
/* 34 */ "G",
/* 35 */ "H",
/* 36 */ "J",
/* 37 */ "K",
/* 38 */ "L",
/* 39 */ "M",
/* 40 */ "%",
/* 41 */ 0,
/* 42 */ 0,
/* 43 */ "µ",
/* 44 */ "W",
/* 45 */ "X",
/* 46 */ "C",
/* 47 */ "V",
/* 48 */ "B",
/* 49 */ "N",
/* 50 */ "?",
/* 51 */ ".",
/* 52 */ "/",
/* 53 */ "§",
/* 54 */ 0,
/* 55 */ 0,
/* 56 */ 0,
/* 57 */ 0,
/* 58 */ 0,
/* 59 */ "\eOP", /* Shift-F1 */
/* 60 */ "\eOQ", /* Shift-F2 */
/* 61 */ "\eOR", /* Shift-F3 */
/* 62 */ "\eOS", /* Shift-F4 */
/* 63 */ "\e[15;2~", /* Shift-F5 */
/* 64 */ "\e[17;2~", /* Shift-F6 */
/* 65 */ "\e[18;2~", /* Shift-F7 */
/* 66 */ "\e[19;2~", /* Shift-F8 */
/* 67 */ "\e[20:2~", /* Shift-F9 */
/* 68 */ "\e[21:2~", /* Shift-F10 */
/* 69 */ 0,
/* 70 */ 0,
/* 71 */ 0,
/* 72 */ 0,
/* 73 */ 0,
/* 74 */ 0,
/* 75 */ 0,
/* 76 */ 0,
/* 77 */ 0,
/* 78 */ 0,
/* 79 */ 0,
/* 80 */ 0,
/* 81 */ 0,
/* 82 */ 0,
/* 83 */ 0,
/* 84 */ 0,
/* 85 */ 0,
/* 86 */ ">",
/* 87 */ "\e[23;2~", /* Shift-F11 */
/* 88 */ "\e[24;2~", /* Shift-F12 */
/* 89 */ 0,
/* 90 */ 0,
/* 91 */ 0,
/* 92 */ 0,
/* 93 */ 0,
/* 94 */ 0,
/* 95 */ 0,
/* 96 */ 0,
/* 97 */ 0,
/* 98 */ 0,
/* 99 */ 0,
/* 100 */ 0,
/* 101 */ 0,
/* 102 */ 0,
/* 103 */ 0,
/* 104 */ 0,
/* 105 */ 0,
/* 106 */ 0,
/* 107 */ 0,
/* 108 */ 0,
/* 109 */ 0,
/* 110 */ 0,
/* 111 */ 0,
/* 112 */ 0,
/* 113 */ 0,
/* 114 */ 0,
/* 115 */ 0,
/* 116 */ 0,
/* 117 */ 0,
/* 118 */ 0,
/* 119 */ 0,
/* 120 */ 0,
/* 121 */ 0,
/* 122 */ 0,
/* 123 */ 0,
/* 124 */ 0,
/* 125 */ 0,
/* 126 */ 0,
/* 127 */ 0};
void keyboard_do_irq(){
char c = 0;
if (inb(0x60) != c) {
c = inb(0x60);
if (c > 0) {
printString(scancode[(int)c]);
}
}
void keyboard_do_irq()
{
static int lshift = 0;
static int rshift = 0;
unsigned char c = 0;
if (inb(0x60) != c) {
c = inb(0x60);
if (c > 0) {
if (c < BREAK_CODE) {
switch (c) {
case 42:
lshift = 1;
break;
case 54:
rshift = 1;
break;
default:
if (lshift || rshift)
printString(scancode_shift[(int)c]);
else
printString(scancode[(int)c]);
}
}else {
c = c - BREAK_CODE;
switch (c) {
case 42:
lshift = 0;
break;
case 54:
rshift = 0;
break;
}
}
}
}
}

3
drivers/keyboard.h
View File

@ -1,3 +1,6 @@
#pragma once
// Pushing generate MAKE_CODE (<0x80)
// Releasing generate BREAK_CODE (break_code = make_code + 0x80)
#define BREAK_CODE 0x80
void keyboard_do_irq();

2
mbr.asm
View File

@ -81,7 +81,7 @@ main:
; http://www.ctyme.com/intr/rb-0607.htm
; Bios read first 512 bytes, read next disk sector
mov ah, 0x2 ;read sectors
mov al, 10 ;sectors to read
mov al, 15 ;sectors to read
mov ch, 0 ;cylinder idx
mov dh, 0 ;head idx
mov cl, 2 ;sector idx

Write Preview
Loading…
Cancel
Save