lordtet
55d5823bde
Still need to document a lot of functions, but I cleaned up and explained a lot of the code via comments.
42 lines
884 B
C
42 lines
884 B
C
/* kio.h
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* Kernel I/O
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*
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* Responsible for kernel related in/output, such as VGA and serial
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*/
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#ifndef KIO_H
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#define KIO_H
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#define VGA_GRID_COLS 80
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#define VGA_GRID_ROWS 25
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#include <stdint.h>
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#include <stdarg.h>
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/*
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* CONSTANTS AND VARIABLES
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*/
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//Information on the VGA buffer
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extern volatile uint16_t* const vga_buffer;
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//grid is top left origin. This is our cursor!
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extern int cursor_col;
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extern int cursor_row;
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extern uint16_t vga_attributes; // Black background, White foreground
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/*
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* Functions
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*/
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//Clear the VGA buffer
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void vga_clear();
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//Put a character in the VGA buffer and move the cursor to the right by one
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void vga_putc(char c);
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void vga_set_attributes(uint8_t attributes);
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void vga_print(const char* out);
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void vga_println(const char* out);
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void vga_printhex(uint32_t out);
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void vga_prindec(uint32_t out);
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void vga_printf(const char* fmt, ...);
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#endif
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