36 lines
667 B
C
36 lines
667 B
C
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#ifndef KERNIO_H
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#define KERNIO_H
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#define VGA_GRID_COLS 79
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#define VGA_GRID_ROWS 25
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#include <stdint.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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#endif
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