Added Nuked OPL2 Lite chip emulator

It's an OPL2 emulator based on the Nuked OPL3 https://github.com/nukeykt/Nuked-OPL2-Lite

Author: Wohlstand

CMakeLists.txt

@@ -358,6 +358,10 @@ function(handle_options targetLib)
                 ${libADLMIDI_SOURCE_DIR}/src/chips/nuked_opl3_v174.h
                 ${libADLMIDI_SOURCE_DIR}/src/chips/nuked/nukedopl3_174.c
                 ${libADLMIDI_SOURCE_DIR}/src/chips/nuked/nukedopl3_174.h
+                ${libADLMIDI_SOURCE_DIR}/src/chips/nuked_opl2.cpp       # OPL2 Lite
+                ${libADLMIDI_SOURCE_DIR}/src/chips/nuked_opl2.h
+                ${libADLMIDI_SOURCE_DIR}/src/chips/nuked/nukedopl2.c
+                ${libADLMIDI_SOURCE_DIR}/src/chips/nuked/nukedopl2.h
             )
         else()
             target_compile_definitions(${targetLib} PUBLIC ADLMIDI_DISABLE_NUKED_EMULATOR)

include/adlmidi.h

@@ -734,6 +734,8 @@ enum ADL_Emulator
     ADLMIDI_EMU_NUKED_OPL2_LLE,
     /*! Nuked OPL3 LLE*/
     ADLMIDI_EMU_NUKED_OPL3_LLE,
+    /*! Nuked OPL2 Lite */
+    ADLMIDI_EMU_NUKED_OPL2_LITE,
     /*! Count instrument on the level */
     ADLMIDI_EMU_end
 };

src/adlmidi_opl3.cpp

@@ -49,6 +49,7 @@
 #   ifndef ADLMIDI_DISABLE_NUKED_EMULATOR
 #       include "chips/nuked_opl3.h"
 #       include "chips/nuked_opl3_v174.h"
+#       include "chips/nuked_opl2.h"
 #   endif
 
 // DosBox 0.74 OPL3 emulator, Well-accurate and fast
@@ -101,7 +102,7 @@
 static const unsigned adl_emulatorSupport = 0
 #ifndef ENABLE_HW_OPL_DOS
 #   ifndef ADLMIDI_DISABLE_NUKED_EMULATOR
-    | (1u << ADLMIDI_EMU_NUKED) | (1u << ADLMIDI_EMU_NUKED_174)
+    | (1u << ADLMIDI_EMU_NUKED) | (1u << ADLMIDI_EMU_NUKED_174) | (1u << ADLMIDI_EMU_NUKED_OPL2_LITE)
 #   endif
 
 #   ifndef ADLMIDI_DISABLE_DOSBOX_EMULATOR
@@ -1128,6 +1129,9 @@ void OPL3::reset(int emulator, unsigned long PCM_RATE, void *audioTickHandler)
         case ADLMIDI_EMU_NUKED_174: /* Old Nuked OPL3 1.4.7 modified and optimized */
             chip = new NukedOPL3v174;
             break;
+        case ADLMIDI_EMU_NUKED_OPL2_LITE: /* Nuked OPL2 Lite */
+            chip = new NukedOPL2;
+            break;
 #endif
 #ifndef ADLMIDI_DISABLE_DOSBOX_EMULATOR
         case ADLMIDI_EMU_DOSBOX:

src/chips/chipset.cmake

@@ -7,6 +7,8 @@ set(CHIPS_SOURCES
     "${CMAKE_CURRENT_LIST_DIR}/java_opl3.h"
     "${CMAKE_CURRENT_LIST_DIR}/mame_opl2.h"
     "${CMAKE_CURRENT_LIST_DIR}/mame_opl2.cpp"
+    "${CMAKE_CURRENT_LIST_DIR}/nuked_opl2.cpp"
+    "${CMAKE_CURRENT_LIST_DIR}/nuked_opl2.h"
     "${CMAKE_CURRENT_LIST_DIR}/nuked_opl3.cpp"
     "${CMAKE_CURRENT_LIST_DIR}/nuked_opl3.h"
     "${CMAKE_CURRENT_LIST_DIR}/opal_opl3.cpp"
@@ -16,6 +18,8 @@ set(CHIPS_SOURCES
     "${CMAKE_CURRENT_LIST_DIR}/esfmu/esfm.c"
     "${CMAKE_CURRENT_LIST_DIR}/esfmu/esfm.h"
     "${CMAKE_CURRENT_LIST_DIR}/esfmu/esfm_registers.c"
+    "${CMAKE_CURRENT_LIST_DIR}/nuked/nukedopl2.c"
+    "${CMAKE_CURRENT_LIST_DIR}/nuked/nukedopl2.h"
     "${CMAKE_CURRENT_LIST_DIR}/nuked/nukedopl3.c"
     "${CMAKE_CURRENT_LIST_DIR}/nuked/nukedopl3.h"
     "${CMAKE_CURRENT_LIST_DIR}/mame/opl.h"

src/chips/chipset.pri

@@ -11,6 +11,8 @@ SOURCES+= \
     $$PWD/opal/opal.c \
     $$PWD/nuked/nukedopl3.c \
     $$PWD/dosbox/dbopl.cpp \
+    $$PWD/nuked_opl2.cpp \
+    $$PWD/nuked/nukedopl2.c \
     $$PWD/nuked_opl3_v174.cpp \
     $$PWD/nuked/nukedopl3_174.c \
     $$PWD/ymf262_lle.cpp \
@@ -28,12 +30,14 @@ HEADERS+= \
     $$PWD/java_opl3.h \
     $$PWD/mame_opl2.h \
     $$PWD/mame/opl.h \
+    $$PWD/nuked_opl2.h \
     $$PWD/nuked_opl3.h \
     $$PWD/opal_opl3.h \
     $$PWD/opal/opal.h \
     $$PWD/opl_chip_base.h \
     $$PWD/esfmu/esfm.h \
     $$PWD/java/JavaOPL3.hpp \
+    $$PWD/nuked/nukedopl2.h \
     $$PWD/nuked/nukedopl3.h \
     $$PWD/dosbox/dbopl.h \
     $$PWD/nuked_opl3_v174.h \