diff options
Diffstat (limited to 'src/mame/audio/nl_kidniki.cpp')
-rw-r--r-- | src/mame/audio/nl_kidniki.cpp | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/src/mame/audio/nl_kidniki.cpp b/src/mame/audio/nl_kidniki.cpp index 380059740d7..99d8c662709 100644 --- a/src/mame/audio/nl_kidniki.cpp +++ b/src/mame/audio/nl_kidniki.cpp @@ -8,12 +8,35 @@ #ifndef NLTOOL_VERSION #define USE_FRONTIERS 1 -#define USE_FIXED_STV 1 +#define USE_FIXED_STV 0 #else #define USE_FRONTIERS 0 #define USE_FIXED_STV 1 #endif +/* + * Schematic errors: + * + * The kungfu master schematics differ from the kidnik schematics in wiring + * D4, D5 and Q4 with other components. The manual corrections to the + * kungfu master schematics make sense and thus are used here. + * + * opamp XU1.B according to schematics has no feedback loop between output and + * inputs. The arrangement of components in the schematic however indicate that + * this is not the case and indeed a connection exists. This results in sounds + * at output XU1.14 to contain more detail. + * + * You can observe sounds at XU1.14 by doing + * + * NL_LOGS=XU1.14 ./mame64 kidniki + * nlwav -o x.wav log_XU1.14.log + * play x.wav + * + */ + +#define FIX_SCHEMATIC_ERRORS (1) + + /* ---------------------------------------------------------------------------- * Library section header START * ---------------------------------------------------------------------------*/ @@ -38,16 +61,9 @@ NETLIST_START(kidniki_schematics) // IGNORED O_AUDIO0: O_AUDIO0 49 0 // .END - /* - * Workaround: The simplified opamp model does not correctly - * model the internals of the inputs. - */ - - ANALOG_INPUT(VWORKAROUND, 2.061) - RES(RWORKAROUND, RES_K(27)) - NET_C(VWORKAROUND.Q, RWORKAROUND.1) - NET_C(XU1.6, RWORKAROUND.2) - +#if FIX_SCHEMATIC_ERRORS + NET_C(XU1.7, C40.1) +#endif CAP(C200, CAP_N(100)) CAP(C28, CAP_U(1)) CAP(C31, CAP_N(470)) @@ -105,7 +121,7 @@ NETLIST_START(kidniki_schematics) QBJT_EB(Q7, "2SC945") QBJT_EB(Q9, "2SC945") - LM324_DIP(XU1) + LM2902_DIP(XU1) LM358_DIP(XU2) MC14584B_DIP(XU3) @@ -141,6 +157,7 @@ NETLIST_START(kidniki_schematics) RES(R43, 470) RES(R44, RES_K(100)) RES(R45, RES_K(1)) + //RES(R45, RES_K(10000000)) RES(R46, RES_K(12)) RES(R48, 470) RES(R48_2, RES_K(100)) @@ -244,7 +261,12 @@ NETLIST_START(kidniki_schematics) NET_C(R55.2, R90.2, C33.2, R37.1, Q3.E) NET_C(R45.1, C44.2) NET_C(C44.1, R66.2, Q4.B) +#if FIX_SCHEMATIC_ERRORS + NET_C(Q4.C, D4.K, D5.K) + NET_C(C42.1, C43.1, R46.1, C35.2) +#else NET_C(Q4.C, C42.1, C43.1, R46.1, C35.2, D4.K, D5.K) +#endif NET_C(R70.2, R69.2, Q7.C) NET_C(R63.1, Q7.E) NET_C(R69.1, C49.2) |