diff --git a/modflash/FLASH.ZX1 b/modflash/FLASH.ZX1
index fad90cc..4b940c7 100644
Binary files a/modflash/FLASH.ZX1 and b/modflash/FLASH.ZX1 differ
diff --git a/modflash/FLASHempty.ZX1 b/modflash/FLASHempty.ZX1
new file mode 100644
index 0000000..7f592cc
Binary files /dev/null and b/modflash/FLASHempty.ZX1 differ
diff --git a/modflash/make.bat b/modflash/make.bat
new file mode 100644
index 0000000..06cb5f5
--- /dev/null
+++ b/modflash/make.bat
@@ -0,0 +1,3 @@
+copy /Y FLASHempty.ZX1 FLASH.ZX1
+call addrom
+call addcore