From: notaz <notasas@gmail.com>
Date: Tue, 26 Jul 2011 16:45:03 +0000 (+0300)
Subject: sio: only do IRQ if it's bit has been cleared
X-Git-Tag: r9~34
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa35134a834ff7e98b5a474c3db399a3d660da22;p=pcsx_rearmed.git

sio: only do IRQ if it's bit has been cleared

tested on the real thing.
---

diff --git a/libpcsxcore/sio.c b/libpcsxcore/sio.c
index 4a0a73c4..81fe0ea1 100644
--- a/libpcsxcore/sio.c
+++ b/libpcsxcore/sio.c
@@ -386,8 +386,10 @@ void sioInterrupt() {
 	PAD_LOG("Sio Interrupt (CP0.Status = %x)\n", psxRegs.CP0.n.Status);
 #endif
 //	SysPrintf("Sio Interrupt\n");
-	StatReg |= IRQ;
-	psxHu32ref(0x1070) |= SWAPu32(0x80);
+	if (!(StatReg & IRQ)) {
+		StatReg |= IRQ;
+		psxHu32ref(0x1070) |= SWAPu32(0x80);
+	}
 }
 
 void LoadMcd(int mcd, char *str) {