X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fgame_em%2Flogic.c;h=ba823a0ca86b20e6855ad35ba49d80862e5b36e6;hp=68a977aad53bb02c072445e020b63ac5264a35f7;hb=1006b2db;hpb=679bbca85df5a07faae177d729305a70e7b86199

diff --git a/src/game_em/logic.c b/src/game_em/logic.c
index 68a977aa..ba823a0c 100644
--- a/src/game_em/logic.c
+++ b/src/game_em/logic.c
@@ -12,6 +12,8 @@
 #define ACID_ROLL	/* rolling objects go into acid rather than remove it */
 #define ACID_PLAYER	/* player gets killed by acid, but without explosion */
 
+#define RANDOM_BUG	/* handle problem with old tapes using 64-bit random */
+
 #define RANDOM(x)	((seed = seed << 31 | seed >> 1) % x)
 
 static short **cave, **next, **boom;
@@ -7485,7 +7487,11 @@ static void logic_globals(void)
   int x;
   int y;
   int count;
-  unsigned int random;
+#ifdef RANDOM_BUG
+  uint64_t random;
+#else
+  uint32_t random;
+#endif
 
   cave = lev.cave;
   next = lev.next;
@@ -7531,6 +7537,11 @@ static void logic_globals(void)
       Lamoeba(x, y);
 
     random = random * 129 + 1;
+
+#ifdef RANDOM_BUG
+    if (!game_em.use_random_bug)
+      random = (uint32_t)random;
+#endif
   }
 
   game_em.random = random;