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28 lines
481 B
28 lines
481 B
20 years ago
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/*
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* Apple Sound Chip
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*/
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#ifndef __ASM_MAC_ASC_H
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#define __ASM_MAC_ASC_H
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/*
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* ASC offsets and controls
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*/
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#define ASC_BUF_BASE 0x00 /* RAM buffer offset */
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#define ASC_BUF_SIZE 0x800
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#define ASC_CONTROL 0x800
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#define ASC_CONTROL_OFF 0x00
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#define ASC_FREQ(chan,byte) ((0x810)+((chan)<<3)+(byte))
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#define ASC_ENABLE 0x801
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#define ASC_ENABLE_SAMPLE 0x02
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#define ASC_MODE 0x802
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#define ASC_MODE_SAMPLE 0x02
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#define ASC_VOLUME 0x806
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#define ASC_CHAN 0x807 /* ??? */
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#endif
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