shithub: zuke

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add a few yields in redraw to reduce sound crackle with slow drawing

--- a/zuke.c

+++ b/zuke.c

@@ -175,6 +175,7 @@

 	if(full){

 		draw(screen, screen->r, colors[Dback].im, nil, ZP);

+		yield();

 		adjustcolumns();

 		if(scrollsz < plnum){ /* scrollbar */

@@ -208,6 +209,7 @@

 		sp.x = sp.y = 0;

 		p.x = left + 2;

 		p.y = screen->r.min.y + 2;

+		yield();

 		for(i = scroll; i < plnum; i++, p.y += f->height){

 			if(i < 0)

@@ -246,6 +248,7 @@

 				leftp.y = rightp.y = p.y + f->height;

 				line(screen, leftp, rightp, 0, 0, 0, colors[Dflow].im, sp);

 			}

+			yield();

 		}

 	}

@@ -279,6 +282,7 @@

 	p = addpt(Pt(right, r.min.y), Pt(2, 2));

 	string(screen, p, colors[Dfhigh].im, sp, f, tmp);

 	sel = r;

+	yield();

 	if(cover != nil && full){

 		r.max.x = r.min.x;