2019-12-02 16:48:36 +01:00
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#ifndef __LIB_DISPLAY_H__
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# define __LIB_DISPLAY_H__
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#include <stddef.h>
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#include <stdint.h>
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// Define font bitmap informations.
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#define KERNEL_FONT_BITMAP_WIDTH 127 // Bitmap width
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#define KERNEL_FONT_BITMAP_HEIGHT 23 // Bitmap height
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#define KERNEL_FONT_BITMAP_CWIDTH 4 // Character width (bitmap)
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#define KERNEL_FONT_BITMAP_CHEIGHT 6 // Character height (bitmap)
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#define KERNEL_FONT_REAL_WIDTH 3 // Charater width (real)
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#define KERNEL_FONT_REAL_HEIGHT 5 // Character height (real)
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#define KERNEL_FONT_NB_CHAR_X ((KERNEL_FONT_BITMAP_WIDTH / KERNEL_FONT_BITMAP_CWIDTH) + 1)
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#define KERNEL_FONT_NB_CHAR_Y ((KERNEL_FONT_BITMAP_HEIGHT / KERNEL_FONT_BITMAP_CHEIGHT) + 1)
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// Define screen informations.
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#define DISPLAY_SCREEN_WIDTH 128
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#define DISPLAY_SCREEN_HEIGHT 64
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// Primtives
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extern void dclear(void);
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extern void dprint(int x, int y, char const *str, ...);
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extern void dascii(int x, int y, char const c);
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extern void dscroll(int line);
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extern void dupdate(void);
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// Sheared Video RAM
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2019-12-06 23:45:04 +01:00
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extern uint8_t *vram;
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2019-12-02 16:48:36 +01:00
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#endif /*__LIB_DISPLAY_H__*/
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