libtonc: Tone Generator, Sweep Flags

Tone Generator, Sweep Flags
[Memory map bit(fields)]

Bits for REG_SND1SWEEP (aka REG_SOUND1CNT_L). More...


Defines
#define	SSW_INC 0
	Increasing sweep rate.
#define	SSW_DEC 0x0008
	Decreasing sweep rate.
#define	SSW_OFF 0x0008
	Disable sweep altogether.
#define	SSW_SHIFT_MASK 0x0007
#define	SSW_SHIFT_SHIFT 0
#define	SSW_SHIFT(n) ((n)<<SSW_SHIFT_SHIFT)
#define	SSW_TIME_MASK 0x0070
#define	SSW_TIME_SHIFT 4
#define	SSW_TIME(n) ((n)<<SSW_TIME_SHIFT)
#define	SSW_BUILD(shift, dir, time) ( (((time)&7)<<4) \| ((dir)<<3) \| ((shift)&7) )

Bits for REG_SND1SWEEP (aka REG_SOUND1CNT_L).

Generated on Mon Aug 25 17:03:57 2008 for libtonc by

1.5.3