diff '--color=auto' -ruN a/src/cdb.c b/src/cdb.c
--- a/src/cdb.c	1970-01-01 01:00:01.000000000 +0100
+++ b/src/cdb.c	2024-10-08 11:28:57.892951658 +0200
@@ -1564,7 +1564,7 @@
             (warriorsLeft ? warriorsLeft : 1));
     substitute(buf[bi1], "CYCLE", outs, buf[bi2]);
     SWITCHBI;
-    sprintf(outs, "%d", round);
+    sprintf(outs, "%d", roundCounter);
     substitute(buf[bi1], "ROUND", outs, buf[bi2]);
 
     SWITCHBI;
@@ -1875,7 +1875,7 @@
 #endif
   int     nFuture, nPast, count, taskHalf = (coreSize <= 10000 ? 7 : 5);
 
-  sprintf(outs, roundOfCycle, round, rounds,
+  sprintf(outs, roundOfCycle, roundCounter, rounds,
           (cycle + (warriorsLeft ? warriorsLeft : 1) - 1) /
           (warriorsLeft ? warriorsLeft : 1));
   cdb_fputs(outs, COND);
diff '--color=auto' -ruN a/src/curdisp.c b/src/curdisp.c
--- a/src/curdisp.c	1970-01-01 01:00:01.000000000 +0100
+++ b/src/curdisp.c	2024-10-08 11:29:52.129955266 +0200
@@ -156,7 +156,7 @@
       wstandend(corewin);
       if (!--refreshCounter) {
         refreshCounter = refreshInterval;
-        update_statusline(round);
+        update_statusline(roundCounter);
         wrefresh(corewin);
       }
     }
@@ -542,7 +542,7 @@
 text_display_close()
 {
   if (displayLevel) {
-    update_statusline(round - 1);
+    update_statusline(roundCounter - 1);
     wstandout(corewin);
     mvwaddstr(corewin, 0, 0, pressAnyKey);
     wrefresh(corewin);
diff '--color=auto' -ruN a/src/sim.c b/src/sim.c
--- a/src/sim.c	1970-01-01 01:00:01.000000000 +0100
+++ b/src/sim.c	2024-10-08 11:28:21.848284678 +0200
@@ -173,7 +173,7 @@
 mem_struct FAR *memory;
 
 long    cycle;
-int     round;
+int     roundCounter;
 
 char    alloc_p = 0;                /* indicate whether memory has been allocated */
 int     warriorsLeft;                /* number of warriors still left in core */
@@ -328,7 +328,7 @@
 #endif
 
   display_init();
-  round = 1;
+  roundCounter = 1;
   do {                                /* each round */
 #if defined(DOS16) && !defined(SERVER) && !defined(DOSTXTGRAPHX) && !defined(DOSGRXGRAPHX) && !defined(DJGPP)
     fputc('\r', stdout);        /* enable interruption by Ctrl-C */
@@ -1421,13 +1421,13 @@
 #ifndef SERVER
     if (debugState == BREAK) {
       if (warriorsLeft == 1 && warriors != 1)
-	sprintf(outs, warriorTerminatedEndOfRound, W - warrior, W->name, round);
+	sprintf(outs, warriorTerminatedEndOfRound, W - warrior, W->name, roundCounter);
       else
-	sprintf(outs, endOfRound, round);
+	sprintf(outs, endOfRound, roundCounter);
       debugState = cdb(outs);
     }
 #endif
-  } while (++round <= rounds);
+  } while (++roundCounter <= rounds);
 
   display_close();
 #ifdef PERMUTATE
diff '--color=auto' -ruN a/src/sim.h b/src/sim.h
--- a/src/sim.h	1970-01-01 01:00:01.000000000 +0100
+++ b/src/sim.h	2024-10-08 11:27:46.730634854 +0200
@@ -89,7 +89,7 @@
 #define FAR
 #endif
 
-extern int round;
+extern int roundCounter;
 extern long cycle;
 extern ADDR_T progCnt;                /* program counter */
 extern warrior_struct *W;        /* indicate which warrior is running */