From: Toni Wilen <twilen@winuae.net>
Date: Sat, 6 Jan 2018 18:34:05 +0000 (+0200)
Subject: Add extra cycles to prevent hang if all code and data in a loop is cached.
X-Git-Tag: 3600~9
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=8719e899225fdb9915a5181ed20807b019be6df2;p=francis%2Fwinuae.git

Add extra cycles to prevent hang if all code and data in a loop is cached.
---

diff --git a/newcpu.cpp b/newcpu.cpp
index 474df49a..b2c86d6f 100644
--- a/newcpu.cpp
+++ b/newcpu.cpp
@@ -5750,6 +5750,7 @@ static void m68k_run_3ce (void)
 {
 	struct regstruct *r = &regs;
 	bool exit = false;
+	int extracycles = 0;
 
 	while (!exit) {
 		TRY(prb) {
@@ -5766,6 +5767,13 @@ static void m68k_run_3ce (void)
 					if (do_specialties (0))
 						exit = true;
 				}
+
+				// workaround for situation when all accesses are cached
+				extracycles++;
+				if (extracycles >= 8) {
+					extracycles = 0;
+					x_do_cycles(CYCLE_UNIT);
+				}
 			}
 		} CATCH(prb) {
 			bus_error();