Adding registers panes of CPU window

makefile

@@ -1,7 +1,7 @@
 .PHONY: help
 help:
 	@echo
-	@echo "Virtual Boy Emulator - August 30, 2021"
+	@echo "Virtual Boy Emulator - September 1, 2021"
 	@echo
 	@echo "Target build environment is any Debian with the following packages:"
 	@echo "  emscripten"
@@ -37,12 +37,12 @@ clean:
 core:
 	@gcc core/vb.c -I core \
         -fsyntax-only -Wall -Wextra -Werror -Wpedantic -std=c90
-	@gcc core/vb.c -I core -D VB_BIGENDIAN \
+	@gcc core/vb.c -I core -D VB_LITTLEENDIAN \
         -fsyntax-only -Wall -Wextra -Werror -Wpedantic -std=c90
 
 .PHONY: wasm
 wasm:
-	@emcc -o core.wasm wasm/wasm.c core/vb.c -Icore \
+	@emcc -o core.wasm wasm/wasm.c core/vb.c -Icore -D VB_LITTLEENDIAN \
         --no-entry -O2 -flto -s WASM=1 -s EXPORTED_RUNTIME_METHODS=[] \
         -s ALLOW_MEMORY_GROWTH -s MAXIMUM_MEMORY=4GB -fno-strict-aliasing
 	@rm -f *.wasm.tmp*