Trimmed down NEDsim to a single CPU, single thread, 64MB RAM, 64k element stack,...

[screensavers] / hacks / NEDsim / simulator.h

diff --git a/hacks/NEDsim/simulator.h b/hacks/NEDsim/simulator.h
index 927f73b..971e76c 100644 (file)
--- a/hacks/NEDsim/simulator.h
+++ b/hacks/NEDsim/simulator.h
@@ -22,20 +22,15 @@
 
 #include "./a.out.h"
 
 
 #include "./a.out.h"
 

-// TODO: Can get rid of this since I don't do a show_usage() anymore?
-#define VERSION 5
-

 /* Bytes per word. */
 #define BPW 4
 
 /* Number of stack words. */
 /* Bytes per word. */
 #define BPW 4
 
 /* Number of stack words. */

-#define STACK_LENGTH 1048576
+#define STACK_LENGTH 65536

 
 /* Number of bytes of RAM. */
 
 /* Number of bytes of RAM. */

-#define RAM_LENGTH 1073741824
-
-/* Number of hardware threads. */
-#define THREAD_COUNT 8
+#define RAM_LENGTH 67108864
+#define RAM_BASE_ADDRESS 0x20000000

 
 /* Number of syllables per word. */
 #define SPW 5
 
 /* Number of syllables per word. */
 #define SPW 5


@@ -58,11 +53,11 @@ struct NEDhack {
     bool resume_word;
 };
 
     bool resume_word;
 };
 

-// TODO: Make this a single thread before committing. Multi-thread is broken with my current main loop.

 struct NEDstate {
     bool halted;
     uint8_t ram[RAM_LENGTH];
 struct NEDstate {
     bool halted;
     uint8_t ram[RAM_LENGTH];

-    struct NEDthread * thread[THREAD_COUNT];
+    /* Although NED is multi-threaded, this screensaver is restricted to a single thread. */
+    struct NEDthread * thread[1];

     struct NEDthread * active_thread;
     struct NEDhack * hack;
 };
     struct NEDthread * active_thread;
     struct NEDhack * hack;
 };