sound.h

redboy for gba 是BPNS为GBA编写的一个小软件。软件的邹形是BASIC高级语言解释执行器。几经修改和扩展

#define SOUNDINIT			0x8000	// makes the sound restart
#define SOUNDDUTY87			0x0000	//87.5% wave duty
#define SOUNDDUTY75			0x0040	//75% wave duty
#define SOUNDDUTY50			0x0080	//50% wave duty
#define SOUNDDUTY25			0x00C0	//25% wave duty

#define SOUND1PLAYONCE		0x4000	// play sound once
#define SOUND1PLAYLOOP		0x0000	// play sound looped
#define SOUND1INIT			0x8000	// makes the sound restart
#define SOUND1SWEEPSHIFTS(n)	n	// number of sweep shifts (0-7)
#define SOUND1SWEEPINC		0x0000	// sweep add (freq increase)
#define SOUND1SWEEPDEC		0x0008	// sweep dec (freq decrese)
#define SOUND1SWEEPTIME(n)	(n<<4)	// time of sweep (0-7)
#define SOUND1ENVSTEPS(n)	(n<<8)	// envelope steps (0-7)
#define SOUND1ENVINC		0x0800	// envellope increase
#define SOUND1ENVDEC		0x0000	// envellope decrease
#define SOUND1ENVINIT(n)	(n<<12) // initial envelope volume (0-15)


#define SOUND2PLAYONCE		0x4000	// play sound once
#define SOUND2PLAYLOOP		0x0000	// play sound looped
#define SOUND2INIT			0x8000	// makes the sound restart
#define SOUND2ENVSTEPS(n)	(n<<8)	// envelope steps (0-7)
#define SOUND2ENVINC		0x0800	// envellope increase
#define SOUND2ENVDEC		0x0000	// envellope decrease
#define SOUND2ENVINIT(n)	(n<<12) // initial envelope volume (0-15)



#define SOUND3BANK32		0x0000	// Use two banks of 32 steps each
#define SOUND3BANK64		0x0020	// Use one bank of 64 steps
#define SOUND3SETBANK0		0x0000	// Bank to play 0 or 1 (non set bank is written to)
#define SOUND3SETBANK1		0x0040
#define SOUND3PLAY			0x0080	// Output sound

#define SOUND3OUTPUT0		0x0000	// Mute output
#define SOUND3OUTPUT1		0x2000	// Output unmodified
#define SOUND3OUTPUT12		0x4000	// Output 1/2
#define SOUND3OUTPUT14		0x6000	// Output 1/4
#define SOUND3OUTPUT34		0x8000  // Output 3/4

#define SOUND3PLAYONCE		0x4000	// Play sound once
#define SOUND3PLAYLOOP		0x0000	// Play sound looped
#define SOUND3INIT			0x8000	// Makes the sound restart


#define SOUND4PLAYONCE		0x4000	// play sound once
#define SOUND4PLAYLOOP		0x0000	// play sound looped
#define SOUND4INIT			0x8000	// makes the sound restart
#define SOUND4ENVSTEPS(n)	(n<<8)	// envelope steps (0-7)
#define SOUND4ENVINC		0x0800	// envellope increase
#define SOUND4ENVDEC		0x0000	// envellope decrease
#define SOUND4ENVINIT(n)	(n<<12) // initial envelope volume (0-15)


#define SOUND4STEPS7		0x0004
#define SOUND4STEPS15		0x0000
#define SOUND4PLAYONCE		0x4000
#define SOUND4PLAYLOOP		0x0000
#define SOUND4INIT			0x8000

#define REG_SOUND1CNT   *(vu32*)0x4000060	//sound 1
#define REG_SOUND1CNT_L *(vu16*)0x4000060	//
#define REG_SOUND1CNT_H *(vu16*)0x4000062	//
#define REG_SOUND1CNT_X *(vu16*)0x4000064	//

#define REG_SOUND2CNT_L *(vu16*)0x4000068		//sound 2 lenght & wave duty
#define REG_SOUND2CNT_H *(vu16*)0x400006C		//sound 2 frequency+loop+reset

#define REG_SG30       *(vu32*)0x4000070		//???
#define REG_SOUND3CNT  *(vu32*)0x4000070		//???
#define REG_SG30_L     *(vu16*)0x4000070		//???
#define REG_SOUND3CNT_L *(vu16*)0x4000070	//???
#define REG_SG30_H     *(vu16*)0x4000072		//???
#define REG_SOUND3CNT_H *(vu16*)0x4000072	//???
#define REG_SG31       *(vu16*)0x4000074		//???
#define REG_SOUND3CNT_X *(vu16*)0x4000074	//???

#define REG_SOUND4CNT_L *(vu16*)0x4000078		//???
#define REG_SOUND4CNT_H *(vu16*)0x400007C		//???

#define REG_SGCNT0     *(vu32*)0x4000080
#define REG_SGCNT0_L   *(vu16*)0x4000080
#define REG_SOUNDCNT   *(vu32*)0x4000080
#define REG_SOUNDCNT_L *(vu16*)0x4000080		//DMG sound control

#define REG_SGCNT0_H   *(vu16*)0x4000082
#define REG_SOUNDCNT_H *(vu16*)0x4000082		//Direct sound control

#define REG_SGCNT1     *(vu16*)0x4000084
#define REG_SOUNDCNT_X *(vu16*)0x4000084	    //Extended sound control

#define REG_SGBIAS     *(vu16*)0x4000088
#define REG_SOUNDBIAS  *(vu16*)0x4000088		//bit rate+sound bias