Added LCD registers, and implementation for color filling in OGL code.

src/common/logging/backend.cpp

@@ -45,6 +45,7 @@ static std::shared_ptr<Logger> global_logger;
         SUB(Service, SOC) \
         CLS(HW) \
         SUB(HW, Memory) \
+        SUB(HW, LCD) \
         SUB(HW, GPU) \
         CLS(Frontend) \
         CLS(Render) \

src/common/logging/log.h

@@ -65,6 +65,7 @@ enum class Class : ClassType {
     Service_SOC,                ///< The SOC (Socket) service
     HW,                         ///< Low-level hardware emulation
     HW_Memory,                  ///< Memory-map and address translation
+    HW_LCD,                     ///< LCD register emulation
     HW_GPU,                     ///< GPU control emulation
     Frontend,                   ///< Emulator UI
     Render,                     ///< Emulator video output and hardware acceleration