commit c438658

Make nonstandard detune register, and fix a mistake in varvara.doc

 1@@ -245,6 +245,11 @@ b_ ?offset%
 2 
 3 Nonstandard ports of devices are:
 4 
 5+36*/46*/56*/66*
 6+  Detune register. This is treated as sixteen fraction bits, and is then
 7+  added to 1.0 and multiplied by the frequency which has been specified by
 8+  the pitch and length ports.
 9+
10 a7/b7
11   In addition to the usual effect (sets the append mode), writing anything
12   to this port (whether or not it is the same value that was previously

1@@ -749,6 +749,7 @@ static void audio_out(Device*dev,Uint8 id) {
2   s=(dev->d[15]&0x7F)+audio_option['n'-'a'];
3   s=notes[s%12]>>(10-s/12);
4   if(n<256) s=(n*(unsigned long long)s)>>8;
5+  if(use_extension && (dev->d[6] || dev->d[7])) s=(((unsigned long long)s)*(0x10000+GET16(dev->d+6)))>>16;
6   a->freq=s;
7   if(audiospec.channels==1) {
8     a->vol[0]=a->vol[1]=((dev->d[14]&15)+(dev->d[14]>>4))/2;

1@@ -180,7 +180,7 @@ finished), by 8 for 1bpp sprites or 16 for 2bpp sprites.
2 
3 30 = Vector *
4 32 = Position *
5-33 = Output
6+34 = Output
7 38 = Envelope *
8 3A = Length *
9 3C = Address *