diff --git a/Source/exehead/exec.c b/Source/exehead/exec.c
index bbac021d..fe5ffae6 100644
--- a/Source/exehead/exec.c
+++ b/Source/exehead/exec.c
@@ -139,19 +139,22 @@ static int NSISCALL ExecuteEntry(entry *entry_)
   char *buf3 = bufs[3];
   char *buf4 = bufs[4];
 
-  int parm0 = (parms = entry_->offsets)[0]; // the ordering of these makes a size diff (4 bytes) -Justin
+  int parm0 = entry_->offsets[0];
   char *var0 = g_usrvars[parm0];
-  int parm1 = parms[1];
+  int parm1 = entry_->offsets[1];
   char *var1 = g_usrvars[parm1];
-  int parm2 = parms[2];
+  int parm2 = entry_->offsets[2];
   char *var2 = g_usrvars[parm2];
-  int parm3 = parms[3];
+  int parm3 = entry_->offsets[3];
   char *var3 = g_usrvars[parm3];
-  int parm4 = parms[4];
+  int parm4 = entry_->offsets[4];
 //char *var4 = g_usrvars[parm4]; // not used yet
-  int parm5 = parms[5];
+  int parm5 = entry_->offsets[5];
 //char *var5 = g_usrvars[parm5]; // not used yet
   int which = entry_->which;
+  
+  parms = entry_->offsets;
+
   switch (which)
   {
     case EW_NOP:
@@ -272,9 +275,7 @@ static int NSISCALL ExecuteEntry(entry *entry_)
       log_printf3("IfFileExists: file \"%s\" does not exist, jumping %d",buf0,parm2);
     }
     return parm2;
-    case EW_IFERRORS:
-      if (g_flags.exec_error) return parm0;
-    return parm1;
+    case EW_IFERRORS: return entry_->offsets[!g_flags.exec_error];
 #ifdef NSIS_SUPPORT_RENAME
     case EW_RENAME:
       {
@@ -391,7 +392,7 @@ static int NSISCALL ExecuteEntry(entry *entry_)
           overwriteflag=1; // if it doesn't exist, fall back to no overwrites (since it shouldn't matter anyway)
           if (ffd)
           {
-            overwriteflag=(CompareFileTime(&ffd->ftLastWriteTime,(FILETIME*)(parms+3)) >= 0);  // if first one is newer, then don't overwrite
+            overwriteflag=(CompareFileTime(&ffd->ftLastWriteTime,(FILETIME*)(entry_->offsets+3)) >= 0);  // if first one is newer, then don't overwrite
           }
         }
         hOut=myOpenFile(buf0,GENERIC_WRITE,(overwriteflag==1)?CREATE_NEW:CREATE_ALWAYS);
@@ -433,7 +434,7 @@ static int NSISCALL ExecuteEntry(entry *entry_)
         log_printf3("File: wrote %d to \"%s\"",ret,buf0);
 
         if (parm3 != 0xffffffff || parm4 != 0xffffffff)
-          SetFileTime(hOut,(FILETIME*)(parms+3),NULL,(FILETIME*)(parms+3));
+          SetFileTime(hOut,(FILETIME*)(entry_->offsets+3),NULL,(FILETIME*)(entry_->offsets+3));
 
         CloseHandle(hOut);
 
@@ -634,11 +635,10 @@ static int NSISCALL ExecuteEntry(entry *entry_)
           case 4: v|=v2; break;
           case 5: v&=v2; break;
           case 6: v^=v2; break;
-          case 7: v=~v; break;
-          case 8: v=!v; break;
-          case 9: v=v||v2; break;
-          case 10: v=v&&v2; break;
-          case 11: if (v2) v%=v2; else { v=0; g_flags.exec_error++; } break;
+          case 7: v=!v; break;
+          case 8: v=v||v2; break;
+          case 9: v=v&&v2; break;
+          case 10: if (v2) v%=v2; else { v=0; g_flags.exec_error++; } break;
         }
         myitoa(p,v);
       }
@@ -746,13 +746,16 @@ static int NSISCALL ExecuteEntry(entry *entry_)
       );
     return 0;
     case EW_SETBKCOLOR:
+    {
       DeleteObject(
         (HGDIOBJ)SetWindowLong(
-          (HWND)process_string_fromparm_toint(0),
+          (HWND)process_string_fromparm_toint(3),
           GWL_USERDATA,
-          parm1==-1?parm1:(LONG)CreateSolidBrush(parm1)
+          // three times 4 bytes (UINT, COLORREF [=DWORD], LONG)
+          parm1==-1?parm1:(int)CreateBrushIndirect((LPLOGBRUSH)entry_->offsets)
         )
       );
+    }
     return 0;
     case EW_SETBRANDINGIMAGE:
     {
@@ -1097,7 +1100,7 @@ static int NSISCALL ExecuteEntry(entry *entry_)
         return 0;
       }
     break;
-    case EW_IFREBOOTFLAG: return parms[!g_flags.exec_reboot];
+    case EW_IFREBOOTFLAG: return entry_->offsets[!g_flags.exec_reboot];
 #endif//NSIS_SUPPORT_REBOOT
 #ifdef NSIS_SUPPORT_INIFILES
     case EW_WRITEINI:
@@ -1536,4 +1539,4 @@ static int NSISCALL ExecuteEntry(entry *entry_)
   }
   my_MessageBox(LANG_STR(LANG_INSTCORRUPTED),MB_OK|MB_ICONSTOP);
   return EXEC_ERROR;
-}
+}
\ No newline at end of file
diff --git a/Source/exehead/util.c b/Source/exehead/util.c
index 1fa083e1..d3b52f2c 100644
--- a/Source/exehead/util.c
+++ b/Source/exehead/util.c
@@ -325,14 +325,14 @@ void NSISCALL myitoa(char *s, int d) { wsprintf(s,"%d",d); }
 int NSISCALL myatoi(char *s)
 {
   unsigned int v=0;
-  int sign=0; // sign of positive
+  int sign=1; // sign of positive
   char m=10; // base of 0
   char t='9'; // cap top of numbers at 9
 
   if (*s == '-') 
   { 
     s++;  //skip over -
-    sign++; // sign flip
+    sign=-1; // sign flip
   }
 
   if (*s == '0')
@@ -359,8 +359,7 @@ int NSISCALL myatoi(char *s)
     v*=m;
     v+=c;
   }
-  if (sign) return -(int) v;
-  return (int)v;
+  return ((int)v)*sign;
 }
 
 // Straight copies of selected shell functions.  Calling local functions
diff --git a/Source/script.cpp b/Source/script.cpp
index 68f0dbda..e0ad7585 100644
--- a/Source/script.cpp
+++ b/Source/script.cpp
@@ -2889,9 +2889,15 @@ int CEXEBuild::doCommand(int which_token, LineParser &line, FILE *fp, const char
     return add_entry(&ent);
     case TOK_SETBKCOLOR:
       ent.which=EW_SETBKCOLOR;
-      ent.offsets[0]=add_string(line.gettoken_str(1));
-      ent.offsets[1]=line.gettoken_int(2);
-      SCRIPT_MSG("SetBkColor: handle=%s color=%s\n",line.gettoken_str(1),line.gettoken_str(2));
+      if (!stricmp(line.gettoken_str(2),"transparent"))
+        ent.offsets[0]=BS_NULL;
+      else {
+        ent.offsets[0]=BS_SOLID;
+        ent.offsets[1]=line.gettoken_int(2);
+      }
+      ent.offsets[2]=0;
+      ent.offsets[3]=add_string(line.gettoken_str(1));
+      SCRIPT_MSG("SetBkColor: hwnd=%s color=%s\n",line.gettoken_str(1),line.gettoken_str(2));
     return add_entry(&ent);
     case TOK_CREATEFONT:
       ent.which=EW_CREATEFONT;
@@ -3562,10 +3568,14 @@ int CEXEBuild::doCommand(int which_token, LineParser &line, FILE *fp, const char
     case TOK_INTOP:
       ent.which=EW_INTOP;
       ent.offsets[0]=line.gettoken_enum(1,usrvars);
-      ent.offsets[3]=line.gettoken_enum(3,"+\0-\0*\0/\0|\0&\0^\0~\0!\0||\0&&\0%\0");
-      if (ent.offsets[0] < 0 || ent.offsets[3]<0 || ((ent.offsets[3] == 7 || ent.offsets[3]==8) && line.getnumtokens()>4)) PRINTHELP()
+      ent.offsets[3]=line.gettoken_enum(3,"+\0-\0*\0/\0|\0&\0^\0!\0||\0&&\0%\0~\0");
+      if (ent.offsets[0] < 0 || ent.offsets[3]<0 || ((ent.offsets[3] == 7 || ent.offsets[3]==11) && line.getnumtokens()>4)) PRINTHELP()
       ent.offsets[1]=add_string(line.gettoken_str(2));
-      if (ent.offsets[3] != 7 && ent.offsets[3] != 8) ent.offsets[2]=add_string(line.gettoken_str(4));
+      if (ent.offsets[3] != 7 && ent.offsets[3] != 11) ent.offsets[2]=add_string(line.gettoken_str(4));
+      if (ent.offsets[3] == 11) {
+        ent.offsets[3]=6;
+        ent.offsets[2]=add_string("0xFFFFFFFF");
+      }
       SCRIPT_MSG("IntOp: %s=%s%s%s\n",line.gettoken_str(1),line.gettoken_str(2),line.gettoken_str(3),line.gettoken_str(4));
     return add_entry(&ent);
     case TOK_INTFMT: