Configurable memory

src/const.js

@@ -2,20 +2,6 @@
 /** @define {boolean} */            
 var DEBUG = true;
 
-var
-
-/** 
- * TODO: Make this configurable
- * @const 
- */
-VGA_MEMORY_SIZE = 128 * 64 * 1024,
-
-/** 
- * @const 
- * @type {number}
- */
-memory_size = 1024 * 1024 * 64;
-
 var 
 
 /** @const */ LOG_ALL = -1,
@@ -160,7 +146,7 @@ PSE_ENABLED = 128,
 
 
 
-/** @const */ LOOP_COUNTER = 2001,
+/** @const */ LOOP_COUNTER = 4001,
 /** @const */ TIME_PER_FRAME = 20;
 
 

src/io.js

@@ -8,7 +8,8 @@
  */
 function IO(memory)
 {
-    var me = this;
+    var me = this,
+        memory_size = memory.size;
 
     function get_port_description(addr)
     {

src/memory.js

@@ -16,6 +16,8 @@ function Memory(buffer, memory_size)
 
     this.buffer = buffer;
 
+    this.size = memory_size;
+
     // debug function called by all memory reads and writes
 
     function debug_write(addr, size, value)