1 files changed, 18 insertions, 25 deletions

diff --git a/Sound.HC b/Sound.HC
index 0fd9a31..45dd9e8 100755
--- a/Sound.HC
+++ b/Sound.HC
@@ -1,45 +1,45 @@
-
 U0 GBSoundTask(U8 *regs)
 {
-
-  I64 ch=0;
-  I64 chP=0;
   I64 div;
   I64 freq;
   I64 x;
-  I64 prevX;
+
+  I64 prevA=0;
+  I64 prevB=0;
+
   while (TRUE)
   {
-    if(ch==0 && chP==FALSE)
-    {
-    
+
+    if(memory[0xFEED]==0)
+    {   
       if (memory[0xFF12]>0b10000)
       {
         x = memory[0xFF13];
         x += ((memory[0xFF14] & 0b00000111)<<8);
-        if (x!=prevX)
+        if (x!=prevA)
         {
           freq=131072/(2048-x);
           div=1193180/freq;
+          // I wanted to use Snd(Freq2Ona(freq)); here
+          // instead of I/O port writes, but the 
+          // conversion isn't right...?
           OutU8(0x43, 0xB6);
           OutU8(0x42, div);
           OutU8(0x42, div>>8);
           OutU8(0x61,3|InU8(0x61));
-          prevX=x;
+          prevA=x;
         };
       } else {
-        //SndRst;
-      }
+      };
     };
 
-    if(ch==1)
-    {
-    
+    if(memory[0xFEED]==1)
+    {   
       if (memory[0xFF17]>0b10000)
       {
         x = memory[0xFF18];
         x += ((memory[0xFF19] & 0b00000111)<<8);
-        if (x!=prevX)
+        if (x!=prevB)
         {
           freq=131072/(2048-x);
           div=1193180/freq;
@@ -47,19 +47,12 @@ U0 GBSoundTask(U8 *regs)
           OutU8(0x42, div);
           OutU8(0x42, div>>8);
           OutU8(0x61,3|InU8(0x61));
-          prevX=x;
-          chP=TRUE;
+          prevB=x;
         };
       } else {
-        chP=FALSE;
-      }
+      };
     };
 
-
-
     Sleep(2);
-
-  ch++;
-  if (ch>3) { ch=0; };
   };
 }