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35 | #ifndef KERN_EGA_H_ |
35 | #ifndef KERN_EGA_H_ |
36 | #define KERN_EGA_H_ |
36 | #define KERN_EGA_H_ |
37 | 37 | ||
38 | #include <arch/types.h> |
38 | #include <arch/types.h> |
39 | 39 | ||
40 | #define ROW 80 |
40 | #define EGA_COLS 80 |
41 | #define ROWS 25 |
41 | #define EGA_ROWS 25 |
42 | #define SCREEN (ROW * ROWS) |
42 | #define EGA_SCREEN (EGA_COLS * EGA_ROWS) |
- | 43 | #define EGA_VRAM_SIZE (2 * EGA_SCREEN) |
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43 | 44 | ||
44 | /* EGA device registers. */ |
45 | /* EGA device registers. */ |
45 | #define EGA_INDEX_REG 0 |
46 | #define EGA_INDEX_REG 0 |
46 | #define EGA_DATA_REG 1 |
47 | #define EGA_DATA_REG 1 |
47 | 48 |