From 158ed23dae364fb08d30ca5462d32544d39d45ae Mon Sep 17 00:00:00 2001
From: Curt Coder <curtcoder@mail.com>
Date: Thu, 18 Feb 2010 20:39:50 +0000
Subject: [PATCH] system1.c: Fixed PIO regression. (no whatsnew)

---
 src/mame/drivers/system1.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mame/drivers/system1.c b/src/mame/drivers/system1.c
index b811c1b6630..b422149dabe 100644
--- a/src/mame/drivers/system1.c
+++ b/src/mame/drivers/system1.c
@@ -499,9 +499,10 @@ static READ8_HANDLER( sound_data_r )
 	/* if we have a Z80 PIO, get the data from the port and toggle the strobe */
 	else if (pio != NULL)
 	{
+		UINT8 data = z80pio_pa_r(pio, 0);
 		z80pio_astb_w(pio, 0);
 		z80pio_astb_w(pio, 1);
-		return soundlatch_r(space, offset);
+		return data;
 	}
 
 	return 0xff;