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| [9] | 1 | /* Addresses and magic numbers for miscellaneous ports. */
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| 2 |
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| 3 | #ifndef _PORTS_H
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| 4 | #define _PORTS_H
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| 5 |
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| 6 | #if (CHIP == INTEL)
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| 7 |
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| 8 | /* Miscellaneous ports. */
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| 9 | #define PCR 0x65 /* Planar Control Register */
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| 10 | #define PORT_B 0x61 /* I/O port for 8255 port B (kbd, beeper...) */
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| 11 | #define TIMER0 0x40 /* I/O port for timer channel 0 */
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| 12 | #define TIMER2 0x42 /* I/O port for timer channel 2 */
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| 13 | #define TIMER_MODE 0x43 /* I/O port for timer mode control */
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| 14 |
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| 15 | #endif /* (CHIP == INTEL) */
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| 16 |
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| 17 | #endif /* _PORTS_H */
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