129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
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#pragma once
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#define VGA_WIDTH 80
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#define VGA_HEIGHT 25
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#define TERM_BUF ((uint16_t *)0xB8000)
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#define TERM_COUNT 10
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#define KEYBOARD_PORT 0x60
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#define KEY_A 0x1E
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#define KEY_B 0x30
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#define KEY_C 0x2E
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#define KEY_D 0x20
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#define KEY_E 0x12
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#define KEY_F 0x21
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#define KEY_G 0x22
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#define KEY_H 0x23
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#define KEY_I 0x17
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#define KEY_J 0x24
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#define KEY_K 0x25
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#define KEY_L 0x26
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#define KEY_M 0x32
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#define KEY_N 0x31
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#define KEY_O 0x18
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#define KEY_P 0x19
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#define KEY_Q 0x10
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#define KEY_R 0x13
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#define KEY_S 0x1F
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#define KEY_T 0x14
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#define KEY_U 0x16
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#define KEY_V 0x2F
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#define KEY_W 0x11
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#define KEY_X 0x2D
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#define KEY_Y 0x15
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#define KEY_Z 0x2C
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#define KEY_1 0x02
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#define KEY_2 0x03
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#define KEY_3 0x04
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#define KEY_4 0x05
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#define KEY_5 0x06
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#define KEY_6 0x07
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#define KEY_7 0x08
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#define KEY_8 0x09
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#define KEY_9 0x0A
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#define KEY_0 0x0B
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#define KEY_MINUS 0x0C
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#define KEY_EQUAL 0x0D
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#define KEY_SQUARE_OPEN_BRACKET 0x1A
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#define KEY_SQUARE_CLOSE_BRACKET 0x1B
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#define KEY_SEMICOLON 0x27
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#define KEY_BACKSLASH 0x2B
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#define KEY_COMMA 0x33
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#define KEY_DOT 0x34
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#define KEY_FORESLHASH 0x35
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#define KEY_F1 0x3B
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#define KEY_F2 0x3C
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#define KEY_F3 0x3D
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#define KEY_F4 0x3E
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#define KEY_F5 0x3F
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#define KEY_F6 0x40
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#define KEY_F7 0x41
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#define KEY_F8 0x42
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#define KEY_F9 0x43
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#define KEY_F10 0x44
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#define KEY_F11 0x85
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#define KEY_F12 0x86
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#define KEY_BACKSPACE 0x0E
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#define KEY_DELETE 0x53
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#define KEY_DOWN 0x50
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#define KEY_END 0x4F
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#define KEY_ENTER 0x1C
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#define KEY_ESC 0x01
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#define KEY_HOME 0x47
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#define KEY_INSERT 0x52
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#define KEY_KEYPAD_5 0x4C
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#define KEY_KEYPAD_MUL 0x37
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#define KEY_KEYPAD_Minus 0x4A
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#define KEY_KEYPAD_PLUS 0x4E
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#define KEY_KEYPAD_DIV 0x35
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#define KEY_LEFT 0x4B
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#define KEY_PAGE_DOWN 0x51
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#define KEY_PAGE_UP 0x49
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#define KEY_PRINT_SCREEN 0x37
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#define KEY_RIGHT 0x4D
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#define KEY_SPACE 0x39
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#define KEY_TAB 0x0F
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#define KEY_UP 0x48
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struct screen {
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size_t row;
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size_t column;
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uint8_t color;
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uint16_t buffer[VGA_WIDTH * VGA_HEIGHT];
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};
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enum vga_color {
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VGA_COLOR_BLACK = 0,
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VGA_COLOR_BLUE = 1,
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VGA_COLOR_GREEN = 2,
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VGA_COLOR_CYAN = 3,
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VGA_COLOR_RED = 4,
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VGA_COLOR_MAGENTA = 5,
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VGA_COLOR_BROWN = 6,
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VGA_COLOR_LIGHT_GREY = 7,
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VGA_COLOR_DARK_GREY = 8,
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VGA_COLOR_LIGHT_BLUE = 9,
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VGA_COLOR_LIGHT_GREEN = 10,
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VGA_COLOR_LIGHT_CYAN = 11,
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VGA_COLOR_LIGHT_RED = 12,
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VGA_COLOR_LIGHT_MAGENTA = 13,
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VGA_COLOR_LIGHT_BROWN = 14,
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VGA_COLOR_WHITE = 15,
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};
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void terminal_initialize(void);
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void terminal_setcolor(uint8_t color);
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void terminal_putentryat(char c, uint8_t color, size_t x, size_t y);
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int terminal_putchar(char c);
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int terminal_write(const char *data, size_t size);
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int terminal_writestring(const char *data);
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int terminal_writelong(long number);
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void terminal_set_screen(int pos);
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uint8_t terminal_getkey(void);
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void update_cursor(void);
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