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games/dmid: properly skip delay field from stream

--- a/sys/src/games/dmid.c

+++ b/sys/src/games/dmid.c

@@ -397,7 +397,7 @@

 	dprint(" [%zd] ", x - tr);

 	e = get8(x);

-	if((e & 0x80) == 0){

+	if(!stream && (e & 0x80) == 0){

 		x->p--;

 		e = x->ev;

 		if((e & 0x80) == 0)

@@ -580,13 +580,12 @@

 	if(stream){

 		if(proccreate(tproc, nil, mainstacksize) < 0)

 			sysfatal("proccreate: %r");

-		xs.p = u;

-		xs.e = u + sizeof u;

 		for(;;){

 			if((n = Bread(ib, u, sizeof u)) != sizeof u)

 				break;

-			u[0] = 0;

 			xs.p = u;

+			xs.e = u + n;

+			getvar(&xs);

 			ev(&xs);

 		}

 		threadexitsall(n < 0 ? "read: %r" : nil);

-- 

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