61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#pragma once
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#include "stdarg.h"
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#include "types.h"
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// https://wiki.osdev.org/Text_UI
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#define BLACK 0x00
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#define BLUE 0x01
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#define GREEN 0x02
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#define CYAN 0x03
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#define RED 0x04
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#define MAGENTA 0x05
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#define BROWN 0x06
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#define GREY 0x07
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#define WHITE 0x0F
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#define VGA_ADDR 0xB8000
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#define VGA_WIDTH 80
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#define VGA_HEIGHT 25
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#ifndef pr_fmt
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#define pr_fmt(fmt) fmt
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#endif
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void vprintf(const char *format, va_list ap);
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void printf(const char *format, ...);
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int VGASetup(uint bgColor, uint color);
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void clearScreen(uint bgColor);
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void clearScreenLine(uint bgColor, uint line);
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void printInt(int integer);
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void printIntDetails(int integer, uint color, uint bgColor, int startX, int startY);
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void printCharDetails(char str, uint color, uint bgColor, int startX, int startY);
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void printStringDetails(const char *str, uint color, uint bgColor, int startX, int startY);
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void printString(const char *str);
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void printChar(const char str);
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void vgaScrollUp(void);
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void cursorEnable(uint8_t cursor_start, uint8_t cursor_end);
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void cursorDisable(void);
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void cursorMove(int x, int y);
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/*
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* Dummy printk for disabled debugging statements to use whilst maintaining
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* gcc's format checking.
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*/
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#define no_printf(fmt, ...) \
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({ \
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if (0) \
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printf(fmt, ##__VA_ARGS__); \
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0; \
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})
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#ifdef DEBUG
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#define pr_devel(fmt, ...) \
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printf(pr_fmt(fmt), ##__VA_ARGS__)
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#else
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#define pr_devel(fmt, ...) \
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no_printf(pr_fmt(fmt), ##__VA_ARGS__)
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#endif
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#define pr_info(fmt, ...) \
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printf(pr_fmt(fmt), ##__VA_ARGS__)
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