From b1a094758e5f8709b3e9c49b912d9e3bc4947d45 Mon Sep 17 00:00:00 2001 From: couriersud Date: Mon, 22 Apr 2019 21:02:34 +0200 Subject: [PATCH] mario: Fix an error in the schematics. [Couriersud, Tafoid] This became obvious after the improved LM3900 model was introduced. Thanks to Tafoid for indentifying the issue. --- src/mame/audio/nl_mario.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/mame/audio/nl_mario.cpp b/src/mame/audio/nl_mario.cpp index 16ecc712e1a..b97d1e08abf 100644 --- a/src/mame/audio/nl_mario.cpp +++ b/src/mame/audio/nl_mario.cpp @@ -178,7 +178,7 @@ static NETLIST_START(nl_mario_dac) NET_C(3M_1.MINUS, R34.2, R35.2) NET_C(3M_1.OUT, R35.1) NET_C(3M_1.PLUS, R36.1) - NET_C(R36.2, GND) + NET_C(R36.2, V5) RES(R21, RES_M(1.8)) RES(R23, RES_K(10)) @@ -218,12 +218,12 @@ NETLIST_START(mario) LOCAL_SOURCE(nl_mario_dac) SOLVER(Solver, 48000) - PARAM(Solver.ACCURACY, 1e-6) + PARAM(Solver.ACCURACY, 1e-7) PARAM(Solver.SOR_FACTOR, 1.0) PARAM(Solver.GS_LOOPS, 1) /* Dynamic timestepping avoids excessive newton loops on startup */ PARAM(Solver.DYNAMIC_LTE, 5e-2) - PARAM(Solver.DYNAMIC_TS, 1) + PARAM(Solver.DYNAMIC_TS, 0) ANALOG_INPUT(V5, 5) ALIAS(VCC, V5) // no-ttl-dip devices need VCC!