Altered the memory map. Need a page0 for stack & other variables.

diff --git a/ROM2/memory.x b/ROM2/memory.x
index b4431ba..843cbbf 100644 (file)
--- a/ROM2/memory.x
+++ b/ROM2/memory.x
@@ -11,10 +11,11 @@ Foundation; either version 2, or (at your option) any later version.
 
 MEMORY
 {
-/*  page0 (rwx) : ORIGIN = 0x0000, LENGTH = 0x00ff  * 256 bytes internal RAM */
-  data  (rw)  : ORIGIN = 0x0000, LENGTH = 0x00ff
+  /* we squeeze both page0 and data into the internal 256 bytes of RAM */
+  page0 (rwx) : ORIGIN = 0x0000, LENGTH = 0x007f
+  data  (rw)  : ORIGIN = 0x0080, LENGTH = 0x007f
   text  (rx)  : ORIGIN = 0x8000, LENGTH = 0x7fff
 }
 
 /* Setup the stack on the top of the data internal ram (not used).  */
-PROVIDE (_stack = 0x0100-1);
+PROVIDE (_stack = 0x007f-1);