44 #define ICE1712_STDSP24_0_BOX(r, x)	r[0] = ((r[0] & ~3) | ((x)&3))  argument
45 #define ICE1712_STDSP24_0_DAREAR(r, x)	r[0] = ((r[0] & ~4) | (((x)&1)<<2))  argument
46 #define ICE1712_STDSP24_1_CHN1(r, x)	r[1] = ((r[1] & ~1) | ((x)&1))  argument
47 #define ICE1712_STDSP24_1_CHN2(r, x)	r[1] = ((r[1] & ~2) | (((x)&1)<<1))  argument
48 #define ICE1712_STDSP24_1_CHN3(r, x)	r[1] = ((r[1] & ~4) | (((x)&1)<<2))  argument
49 #define ICE1712_STDSP24_2_CHN4(r, x)	r[2] = ((r[2] & ~1) | ((x)&1))  argument
50 #define ICE1712_STDSP24_2_MIDIIN(r, x)	r[2] = ((r[2] & ~2) | (((x)&1)<<1))  argument
51 #define ICE1712_STDSP24_2_MIDI1(r, x)	r[2] = ((r[2] & ~4) | (((x)&1)<<2))  argument
52 #define ICE1712_STDSP24_3_MIDI2(r, x)	r[3] = ((r[3] & ~1) | ((x)&1))  argument
53 #define ICE1712_STDSP24_3_MUTE(r, x)	r[3] = ((r[3] & ~2) | (((x)&1)<<1))  argument
54 #define ICE1712_STDSP24_3_INSEL(r, x)	r[3] = ((r[3] & ~4) | (((x)&1)<<2))  argument
55 #define ICE1712_STDSP24_SET_ADDR(r, a)	r[a&3] = ((r[a&3] & ~0x18) | (((a)&3)<<3))  argument
56 #define ICE1712_STDSP24_CLOCK(r, a, c)	r[a&3] = ((r[a&3] & ~0x20) | (((c)&1)<<5))  argument