From: kub <derkub@gmail.com>
Date: Wed, 19 May 2021 17:18:36 +0000 (+0200)
Subject: sh2 interpreter, minor improvement for irq handling
X-Git-Tag: v2.00~523
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f99f0794cfead83330c88b2085bd5dd38439c911;p=picodrive.git

sh2 interpreter, minor improvement for irq handling
---

diff --git a/cpu/sh2/mame/sh2pico.c b/cpu/sh2/mame/sh2pico.c
index b8a1a367..f4ae85cb 100644
--- a/cpu/sh2/mame/sh2pico.c
+++ b/cpu/sh2/mame/sh2pico.c
@@ -167,14 +167,16 @@ int sh2_execute_interpreter(SH2 *sh2, int cycles)
 
 		sh2->icount--;
 
-		if (sh2->test_irq && !sh2->delay && sh2->pending_level > ((sh2->sr >> 4) & 0x0f))
+		if (sh2->test_irq && !sh2->delay)
 		{
 			int level = sh2->pending_level;
-			int vector = sh2->irq_callback(sh2, level);
-			sh2_do_irq(sh2, level, vector);
+			if (level > ((sh2->sr >> 4) & 0x0f))
+			{
+				int vector = sh2->irq_callback(sh2, level);
+				sh2_do_irq(sh2, level, vector);
+			}
 			sh2->test_irq = 0;
 		}
-
 	}
 	while (sh2->icount > 0 || sh2->delay);	/* can't interrupt before delay */