detect and fix incorect format args

OpArith.cpp

@@ -508,15 +508,15 @@ int OpNbcd(int op)
   ot("  beq finish%.4x\n",op);
   ot("\n");
 
-  ot("  mvn r3,r11,lsr #31 ;@ Undefined V behavior\n",op);
+  ot("  mvn r3,r11,lsr #31 ;@ Undefined V behavior\n");
   ot("  and r2,r11,#0x0f000000\n");
   ot("  cmp r2,#0x0a000000\n");
   ot("  andeq r11,r11,#0xf0000000\n");
   ot("  addeq r11,r11,#0x10000000\n");
-  ot("  and r3,r3,r11,lsr #31 ;@ Undefined V behavior part II\n",op);
+  ot("  and r3,r3,r11,lsr #31 ;@ Undefined V behavior part II\n");
   ot("  movs r1,r11,asr #24\n");
   ot("  bicne r10,r10,#0x40000000 ;@ Z\n");
-  ot("  orr r10,r10,r3,lsl #28 ;@ save V\n",op);
+  ot("  orr r10,r10,r3,lsl #28 ;@ save V\n");
   ot("  orr r10,r10,#0x20000000 ;@ C\n");
   ot("\n");
 

OpMove.cpp

@@ -434,14 +434,14 @@ int OpMovem(int op)
 
   if (dir)
   {
-    ot("  ;@ Copy memory to register:\n",1<<size);
+    ot("  ;@ Copy memory to register:\n");
     earead_check_addrerr=0; // already checked
     EaRead (6,0,ea,size,0x003f);
     ot("  str r0,[r7,r4] ;@ Save value into Dn/An\n");
   }
   else
   {
-    ot("  ;@ Copy register to memory:\n",1<<size);
+    ot("  ;@ Copy register to memory:\n");
     ot("  ldr r1,[r7,r4] ;@ Load value from Dn/An\n");
 #if SPLIT_MOVEL_PD
     if (decr && size==2) { // -(An)

app.h

@@ -55,7 +55,11 @@ extern const char * const Sarm[4]; // Sign-extend ARM Extensions for operand siz
 extern int  Cycles;   // Current cycles for opcode
 extern int  pc_dirty; // something changed PC during processing
 extern int  arm_op_count; // for stats
-void ot(const char *format, ...);
+void ot(const char *format, ...)
+#ifdef __GNUC__
+  __attribute__((format(printf, 1, 2)));
+#endif
+  ;
 void ltorg();
 int MemHandler(int type,int size,int addrreg=0,int need_addrerr_check=1);
 void FlushPC(int force=0);