mac_asc.h

来自「this SRC packet is the headfiles that MI」· C头文件 代码 · 共 28 行

/*
 *	Apple Sound Chip 
 */
 
#ifndef __ASM_MAC_ASC_H
#define __ASM_MAC_ASC_H

/*
 *	ASC offsets and controls
 */
 
#define ASC_BUF_BASE	0x00	/* RAM buffer offset */
#define ASC_BUF_SIZE	0x800

#define ASC_CONTROL	0x800
#define ASC_CONTROL_OFF		0x00
#define ASC_FREQ(chan,byte)	((0x810)+((chan)<<3)+(byte))
#define ASC_ENABLE	0x801
#define ASC_ENABLE_SAMPLE	0x02
#define ASC_MODE	0x802
#define ASC_MODE_SAMPLE		0x02

#define ASC_VOLUME	0x806
#define ASC_CHAN	0x807	/* ??? */

 
#endif