Finalizing breakpoint architecture, correcting CPU conditions, tweaking top-level emulation logic

makefile

@@ -1,6 +1,6 @@
 # Java include directory pathnames
 # The Windows files need to be copied from a Windows JDK installation
-include_linux   = /usr/lib/jvm/java-14-openjdk-`\
+include_linux   = /usr/lib/jvm/java-15-openjdk-`\
     uname -r | sed 's/.*-//'`/include
 include_windows = jni-windows-include
 
@@ -10,12 +10,12 @@ default:
 	@echo $(include_linux)
 	@echo "Planet Virtual Boy Emulator"
 	@echo "  https://www.planetvb.com/"
-	@echo "  October 16, 2020"
+	@echo "  December 17, 2020"
 	@echo
 	@echo "Intended build environment: Debian i386 or amd64"
 	@echo "  gcc-multilib"
 	@echo "  mingw-w64"
-	@echo "  openjdk-14-jdk"
+	@echo "  openjdk-15-jdk"
 	@echo
 	@echo "Usage: make <recipe>"
 	@echo "  Package recipes:"
@@ -69,7 +69,7 @@ core:
 desktop: clean_desktop
 	@echo "  Compiling Java desktop application"
 	@javac -sourcepath src/desktop --release 10 -Xlint:unchecked \
-        -h src/desktop/vue -d . src/desktop/Main.java
+        -Xlint:deprecation -h src/desktop/vue -d . src/desktop/Main.java
 
 # Build all native modules
 .PHONY: native