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-rw-r--r--src/mame/machine/nl_breakout.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/machine/nl_breakout.cpp b/src/mame/machine/nl_breakout.cpp
index 8fc703e105a..30a9934fe1b 100644
--- a/src/mame/machine/nl_breakout.cpp
+++ b/src/mame/machine/nl_breakout.cpp
@@ -91,6 +91,7 @@ CIRCUIT_LAYOUT( breakout )
#if (SLOW_BUT_ACCURATE)
SOLVER(Solver, 48000)
PARAM(Solver.ACCURACY, 1e-8) // less accuracy and diode will not work
+ PARAM(Solver.METHOD, "MAT_CR")
#else
SOLVER(Solver, 48000)
PARAM(Solver.ACCURACY, 1e-6)
@@ -128,7 +129,7 @@ CIRCUIT_LAYOUT( breakout )
//----------------------------------------------------------------
// Clock circuit
//----------------------------------------------------------------
-#if 0 || (SLOW_BUT_ACCURATE)
+#if (SLOW_BUT_ACCURATE)
MAINCLOCK(Y1, 14318000.0)
CHIP("F1", 9316)
NET_C(Y1.Q, F1.2)