53 lines
976 B
C
53 lines
976 B
C
#include "types.h"
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#include "serial.h"
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#include "ports.h"
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#ifndef FRAMEBUFFER_H
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#define FRAMEBUFFER_H
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#define COLUMNS 80
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#define ROWS 25
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#define AREA ( COLUMNS * ROWS )
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// frame buffer port commansd
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#define FB_CMD 0x3d4
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#define FB_DATA 0x3d5
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#define FB_HIGH_CMD 14
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#define FB_LOW_CMD 15
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// address of our frame buffer
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#define FRAME_BUFFER_ADDR 0x000B8000
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// Logical index of a cell in the frame buffer
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#define FRAME_CELL(cell_) (cell_ * 2)
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// Colors available in text framebuffer
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#define Black 0x01
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#define Blue 0x02
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#define Green 0x03
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#define Cyan 0x04
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#define Red 0x05
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#define Magenta 0x05
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#define Brown 0x06
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#define LightGrey 0x07
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#define DarkGrey 0x08
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#define LightBlue 0x09
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#define LightGreen 0x0a
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#define LightCyan 0x0b
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#define LightRed 0x0c
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#define LightMagenta 0x0d
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#define LightBrown 0x0e
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#define White 0x0f
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extern s32 Frame_Buffer_Cursor;
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void frame_buffer_newline();
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void write_cell_fb(u8, u8, u8);
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void clear_fb(void);
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void fb_move_cursor(u16);
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#endif
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