diff --git a/.vimlocal b/.vimlocal
index bbc5f36..509ada7 100644
--- a/.vimlocal
+++ b/.vimlocal
@@ -1,2 +1,2 @@
-set makeprg=./build.sh
-map <silent> <F10> :Start python.exe rootfs$(pwd)/upload.py rootfs$(pwd)/.build/fib.bin<cr>
+map <silent> <F9> :Make<cr>
+map <silent> <F10> :Start upload --rom .build/fib.bin<cr>
diff --git a/src/fib.z80 b/src/fib.z80
index a30de8b..dcc204e 100644
--- a/src/fib.z80
+++ b/src/fib.z80
@@ -1,8 +1,8 @@
-_ram_start equ 0x1300
+_ram_start equ 0x1000
 
 #target rom
 
-#code _HOME, 0x1200          ; Non-banked part of memory
+#code _HOME, 0x0000          ; Non-banked part of memory
 
 #data _DATA, _ram_start ; Uninitialized variables
 
@@ -34,7 +34,7 @@ loop:
 	jp nz, loop
 	
 done:
-	jp 0x0000
+	halt
 
 amount:
 	.db 10