diff --git a/newrpl/backup.c b/newrpl/backup.c
index 9608888..9756965 100644
--- a/newrpl/backup.c
+++ b/newrpl/backup.c
@@ -13,7 +13,7 @@
 // CONVERT A POINTER INTO A ROMPTR ID
 // IF IT FAILS, RETURNS 0
 
-WORD rplConvertToRomptrID(WORDPTR ptr)
+UBINT64 rplConvertToRomptrID(WORDPTR ptr)
 {
     BINT libnum=MAXLIBNUMBER;
     BINT SavedOpcode;
@@ -30,9 +30,9 @@ WORD rplConvertToRomptrID(WORDPTR ptr)
 
            (*han)();
 
-           if(RetNum==OK_CONTINUE) return ObjectID;
+           if(RetNum==OK_CONTINUE) return ((UBINT64)ObjectID) | (((UBINT64)ObjectIDHash)<<32);
        }
-       --libnum;
+       libnum=rplGetNextLib(libnum);
     }
     CurOpcode=SavedOpcode;
 
@@ -45,7 +45,7 @@ WORD rplConvertToRomptrID(WORDPTR ptr)
 // RETURNS 0 IF NOT A VALID ID
 // OR NOT RECOGNIZED BY ITS LIBRARIES
 
-WORDPTR rplConvertIDToPTR(WORD romptrid)
+WORDPTR rplConvertIDToPTR(UBINT64 romptrid)
 {
     if(!ISROMPTRID(romptrid)) return 0;
 
@@ -61,6 +61,7 @@ WORDPTR rplConvertIDToPTR(WORD romptrid)
     if(!han) return 0;
     RetNum=ERR_INVALID;
     ObjectID=romptrid;
+    ObjectIDHash=romptrid>>32;
 
     (*han)();
 
@@ -137,23 +138,23 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
     sections[k].nitems=DirsTop-Directories;
     sections[k].offwords=offset;
 
-    offset+=sections[k].nitems;
+    offset+=sections[k].nitems*2;
     ++k;
 
     // SYSTEM POINTERS
     sections[k].start=(WORDPTR)GC_PTRUpdate;
-    sections[k].nitems=MAX_GC_PTRUPDATE;
+    sections[k].nitems=(MAX_GC_PTRUPDATE);
     sections[k].offwords=offset;
 
-    offset+=sections[k].nitems;
+    offset+=sections[k].nitems*2;
     ++k;
 
     // STACK
     sections[k].start=(WORDPTR)DStk;
-    sections[k].nitems=DSTop-DStk;
+    sections[k].nitems=(DSTop-DStk);
     sections[k].offwords=offset;
 
-    offset+=sections[k].nitems;
+    offset+=sections[k].nitems*2;
     ++k;
 
     // FILL ALL OTHER SECTIONS
@@ -177,6 +178,13 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
         ++writeoff;
     }
 
+    // WRITE ALL 10 SECTIONS nitems
+    for(k=0;k<10;++k) {
+        if(!writefunc(sections[k].nitems,OpaqueArgument)) return 0;
+        ++writeoff;
+    }
+
+
     // TODO: WRITE OTHER SYSTEM VARIABLES HERE
 
     // FILL THE HEADER SECTION
@@ -210,11 +218,11 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
             // VALID POINTER INTO TEMPOB, CONVERT INTO FILE OFFSET
             if(!writefunc( (BINT)(ptr-TempOb)+ sections[1].offwords,OpaqueArgument)) return 0;
         } else {
-            // IF THE OBJECT IS NOT IN TEMPOB IS IN ROM
+            // IF THE OBJECT IS NOT IN TEMPOB, IS IN ROM
 
             // CONVERT TO ROMPTR ID
 
-            WORD id=rplConvertToRomptrID(ptr);
+            UBINT64 id=rplConvertToRomptrID(ptr);
 
             if(!id) {
                 // INVALID POINTER! NEED TO FIX THE MEMORY BEFORE DOING BACKUP
@@ -222,10 +230,16 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
                 return 0;
             }
             if(!writefunc(id,OpaqueArgument)) return 0;
+            if(ROMPTRID_OFF(id)==31) {
+            ++writeoff;
+            if(!writefunc((id>>32),OpaqueArgument)) return 0;
+            }
         }
         ++writeoff;
     }
 
+       while(writeoff<sections[4].offwords) { if(!writefunc(0,OpaqueArgument)) return 0; ++writeoff; }
+
     // DUMP SYSTEM POINTERS
     for(k=0;k<sections[4].nitems;++k) {
         ptr=GC_PTRUpdate[k];
@@ -234,7 +248,7 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
             if(!writefunc( (BINT)(ptr-TempOb)+ sections[1].offwords,OpaqueArgument)) return 0;
         } else {
 
-            WORD id;
+            UBINT64 id;
             if(!ptr) {
                 // NULL POINTER, STORE AS-IS
                 id=0;
@@ -253,10 +267,17 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
             }
             }
             if(!writefunc(id,OpaqueArgument)) return 0;
+            if(ROMPTRID_OFF(id)==31) {
+            ++writeoff;
+            if(!writefunc((id>>32),OpaqueArgument)) return 0;
+            }
         }
         ++writeoff;
     }
 
+    while(writeoff<sections[5].offwords) { if(!writefunc(0,OpaqueArgument)) return 0; ++writeoff; }
+
+
     // DUMP DATA STACK POINTERS
     for(k=0;k<sections[5].nitems;++k) {
         ptr=DStk[k];
@@ -265,14 +286,14 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
             if(!writefunc( (BINT)(ptr-TempOb)+ sections[1].offwords,OpaqueArgument)) return 0;
         } else {
 
-            WORD id;
+            UBINT64 id;
 
             // SPECIAL CASE - HANDLE OFFSET NUMBERS STORED INSIDE THE STACK
             if((PTR2NUMBER)ptr<=(UBINT64)sections[5].nitems) {
                 // THIS IS A NUMBER, NOT A POINTER
                 //  IN THE STACK, THESE ARE STACK MARKERS
-                // REPLACE WITH THE ACTUAL NUMBER, BUT USE NEGATIVE OFFSET TO DISTINGUISH IT FROM FILE OFFSETS
-                id=-((PTR2NUMBER)ptr);
+                // REPLACE WITH A SPECIAL ROMPTRID FOR LIBRARY 0, ID=63, offset=31
+                id=(((UBINT64)((PTR2NUMBER)ptr))<<32) | MKROMPTRID(0,63,31);
             }
             else {
             // IF THE OBJECT IS NOT IN TEMPOB IS IN ROM
@@ -286,10 +307,17 @@ BINT rplBackup(int (*writefunc)(unsigned int,void *),void *OpaqueArgument)
 
 
             if(!writefunc(id,OpaqueArgument)) return 0;
+            if(ROMPTRID_OFF(id)==31) {
+            ++writeoff;
+            if(!writefunc((id>>32),OpaqueArgument)) return 0;
+            }
+
         }
         ++writeoff;
     }
 
+    while(writeoff<sections[6].offwords) { if(!writefunc(0,OpaqueArgument)) return 0; ++writeoff; }
+
     return 1;
 
 }
@@ -329,10 +357,15 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
     {
         sections[k].offwords=readfunc(OpaqueArgument);
         ++offset;
-        if(k>0) sections[k-1].nitems=sections[k].offwords-sections[k-1].offwords;
     }
 
-
+    // READ nitems, RESTORE FROM OFFSETS IF NOTE PRESENT (BACKWARDS COMPATIBLE WITH OLD BACKUP FORMAT)
+    for(k=0;k<10;++k)
+    {
+        sections[k].nitems=readfunc(OpaqueArgument);
+        ++offset;
+        if((k>0) && (sections[k-1].nitems==0)) sections[k-1].nitems=sections[k].offwords-sections[k-1].offwords;
+    }
 
     // RESET RPL ENVIRONMENT
     // ERASE ALL RPL MEMORY IN PREPARATION FOR RESTORE
@@ -375,7 +408,7 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
     // RESIZE ALL SECTIONS TO THE REQUESTED SIZE
     if(sections[0].nitems+TEMPBLOCKSLACK>1024) growTempBlocks(sections[0].nitems+TEMPBLOCKSLACK);
     if(sections[1].nitems+sections[2].nitems>1024) growTempOb(sections[1].nitems+sections[2].nitems);
-    if(sections[3].nitems+DIRSLACK>1024) growDirs(sections[3].nitems+DIRSLACK);
+    if((sections[3].nitems)+DIRSLACK>1024) growDirs(sections[3].nitems+DIRSLACK);
     if(includestack) {
         if(sections[5].nitems+DSTKSLACK>1024) growDirs(sections[5].nitems+DSTKSLACK);
     }
@@ -384,7 +417,7 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
 
     // SKIP TO THE PROPER FILE OFFSET
 
-    while(offset!=1024) { readfunc(OpaqueArgument); ++offset; }
+    while(offset<1024) { readfunc(OpaqueArgument); ++offset; }
 
     // HERE'S THE START OF TEMPBLOCKS
     for(k=0;k<sections[0].nitems;++k) {
@@ -396,6 +429,9 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
 
     TempBlocksEnd=TempBlocks+sections[0].nitems;
 
+    while(offset<sections[1].offwords) { readfunc(OpaqueArgument); ++offset; }
+
+
     // HERE'S THE START OF TEMPOB
     for(k=0;k<sections[1].nitems;++k)
     {
@@ -407,6 +443,9 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
 
     TempObEnd=TempOb+sections[1].nitems;
 
+    while(offset<sections[2].offwords) { readfunc(OpaqueArgument); ++offset; }
+
+
     // AFTER TEMPOB
     for(k=0;k<sections[2].nitems;++k)
     {
@@ -416,13 +455,22 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
     }
     if(Exceptions) return -1;
 
+    while(offset<sections[3].offwords) { readfunc(OpaqueArgument); ++offset; }
 
     // HERE'S THE START OF THE DIRECTORIES
 
     for(k=0;k<sections[3].nitems;++k)
     {
         data=readfunc(OpaqueArgument);
-        if(ISROMPTRID(data)) Directories[k]=rplConvertIDToPTR(data);
+        if(ISROMPTRID(data)) {
+            WORD hash=0;
+
+            if(ROMPTRID_OFF(data)==31) {
+                hash=readfunc(OpaqueArgument);
+                ++offset;
+            }
+            Directories[k]=rplConvertIDToPTR( ((UBINT64)data) | (((UBINT64)hash)<<32));
+        }
         else Directories[k]=TempOb+(data-sections[1].offwords);
         if(Directories[k]==0) ++errors; // JUST COUNT THE ERRORS BUT DON'T STOP, RECOVER AS MUCH AS POSSIBLE
         ++offset;
@@ -431,15 +479,25 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
 
     DirsTop=Directories+sections[3].nitems;
 
+    while(offset<sections[4].offwords) { readfunc(OpaqueArgument); ++offset; }
+
     // HERE'S THE START OF SYSTEM POINTERS
 
     for(k=0;k<sections[4].nitems;++k)
     {
         data=readfunc(OpaqueArgument);
         if(ISROMPTRID(data)) {
-            GC_PTRUpdate[k]=rplConvertIDToPTR(data);
-            // EARLIER VERSIONS WOULD CONVERT INVALID POINTERS INTO POINTERS TO zero_bint
-            if(GC_PTRUpdate[k]==(WORDPTR)zero_bint) GC_PTRUpdate[k]=0;
+
+            WORD hash=0;
+
+            if(ROMPTRID_OFF(data)==31) {
+                hash=readfunc(OpaqueArgument);
+                ++offset;
+            }
+
+
+            GC_PTRUpdate[k]=rplConvertIDToPTR(((UBINT64)data) | (((UBINT64)hash)<<32));
+
         }
         else {
             if(!data) GC_PTRUpdate[k]=0;    // RESTORE NULL POINTERS
@@ -460,15 +518,30 @@ BINT rplRestoreBackup(BINT includestack,WORD (*readfunc)(void *),void *OpaqueArg
     if(includestack) {
     // OPTIONALLY EXTRACT THE DATA STACK
 
+        while(offset<sections[5].offwords) { readfunc(OpaqueArgument); ++offset; }
     DStkProtect=DStkBottom=DStk;
 
     for(k=0;k<sections[5].nitems;++k)
     {
         data=readfunc(OpaqueArgument);
-        if(ISROMPTRID(data)) DStk[k]=rplConvertIDToPTR(data);
+        if(ISROMPTRID(data)) {
+            WORD hash=0;
+
+            if(ROMPTRID_OFF(data)==31) {
+                hash=readfunc(OpaqueArgument);
+                ++offset;
+            }
+
+            if(data==MKROMPTRID(0,63,31)) {
+                DStk[k]=NUMBER2PTR(hash);
+                DStkProtect=DStkBottom=DStk+k+1;
+            }
+            else DStk[k]=rplConvertIDToPTR(((UBINT64)data) | (((UBINT64)hash)<<32));
+
+        }
         else {
             if(((BINT)data)<=0) {
-                // THESE WERE NUMBERS USED IN THE STACK SNAPSHOTS
+                // OLD FORMAT - THESE WERE NUMBERS USED IN THE STACK SNAPSHOTS
              DStk[k]=NUMBER2PTR(-(BINT)data);
              DStkProtect=DStkBottom=DStk+k+1;
             }
diff --git a/newrpl/lib-100-usb.c b/newrpl/lib-100-usb.c
index b7fa1dd..dfa18a8 100644
--- a/newrpl/lib-100-usb.c
+++ b/newrpl/lib-100-usb.c
@@ -685,18 +685,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-102-libptr.c b/newrpl/lib-102-libptr.c
index d9cc60e..bb76936 100644
--- a/newrpl/lib-102-libptr.c
+++ b/newrpl/lib-102-libptr.c
@@ -1865,18 +1865,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-104-solvers.c b/newrpl/lib-104-solvers.c
index 9513edf..f1ceaf3 100644
--- a/newrpl/lib-104-solvers.c
+++ b/newrpl/lib-104-solvers.c
@@ -1754,18 +1754,18 @@ case NUMINT:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-20-comments.c b/newrpl/lib-20-comments.c
index eb7d66d..6f3b0ed 100644
--- a/newrpl/lib-20-comments.c
+++ b/newrpl/lib-20-comments.c
@@ -619,7 +619,7 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         //libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
@@ -631,7 +631,7 @@ void LIB_HANDLER()
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        //libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        //libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         RetNum=ERR_NOTMINE;
         return;
 
diff --git a/newrpl/lib-24-string.c b/newrpl/lib-24-string.c
index ba53822..de9d70b 100644
--- a/newrpl/lib-24-string.c
+++ b/newrpl/lib-24-string.c
@@ -1651,18 +1651,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectPTR = ID
+        // ObjectPTR
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-28-dirs.c b/newrpl/lib-28-dirs.c
index 32bf074..38e0376 100644
--- a/newrpl/lib-28-dirs.c
+++ b/newrpl/lib-28-dirs.c
@@ -2612,18 +2612,18 @@ case TVARSE:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-30-complex.c b/newrpl/lib-30-complex.c
index 5c7a810..ba956e0 100644
--- a/newrpl/lib-30-complex.c
+++ b/newrpl/lib-30-complex.c
@@ -7021,14 +7021,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-32-lam.c b/newrpl/lib-32-lam.c
index 82a02a4..530eba5 100644
--- a/newrpl/lib-32-lam.c
+++ b/newrpl/lib-32-lam.c
@@ -1695,18 +1695,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-4080-localenv.c b/newrpl/lib-4080-localenv.c
index 5d0b0f3..a017b63 100644
--- a/newrpl/lib-4080-localenv.c
+++ b/newrpl/lib-4080-localenv.c
@@ -212,14 +212,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-4090-overloaded.c b/newrpl/lib-4090-overloaded.c
index 2186f3d..1862f65 100644
--- a/newrpl/lib-4090-overloaded.c
+++ b/newrpl/lib-4090-overloaded.c
@@ -286,14 +286,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-48-angles.c b/newrpl/lib-48-angles.c
index 1f8e6de..42c00e7 100644
--- a/newrpl/lib-48-angles.c
+++ b/newrpl/lib-48-angles.c
@@ -1804,18 +1804,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
 
diff --git a/newrpl/lib-52-matrix.c b/newrpl/lib-52-matrix.c
index 0829d9c..52a129e 100644
--- a/newrpl/lib-52-matrix.c
+++ b/newrpl/lib-52-matrix.c
@@ -5422,18 +5422,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
 
diff --git a/newrpl/lib-54-units.c b/newrpl/lib-54-units.c
index 2e8b4af..ef99772 100644
--- a/newrpl/lib-54-units.c
+++ b/newrpl/lib-54-units.c
@@ -2963,18 +2963,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-56-symbolic.c b/newrpl/lib-56-symbolic.c
index f8016c3..23f53a1 100644
--- a/newrpl/lib-56-symbolic.c
+++ b/newrpl/lib-56-symbolic.c
@@ -1772,18 +1772,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-62-lists.c b/newrpl/lib-62-lists.c
index 1b3a303..1b7cd5c 100644
--- a/newrpl/lib-62-lists.c
+++ b/newrpl/lib-62-lists.c
@@ -3048,18 +3048,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-64-arithmetic.c b/newrpl/lib-64-arithmetic.c
index e31f106..014618f 100644
--- a/newrpl/lib-64-arithmetic.c
+++ b/newrpl/lib-64-arithmetic.c
@@ -4014,18 +4014,18 @@ case FACTORS:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-65-system.c b/newrpl/lib-65-system.c
index fb647f2..14a3c08 100644
--- a/newrpl/lib-65-system.c
+++ b/newrpl/lib-65-system.c
@@ -2372,7 +2372,7 @@ case TEVAL:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
@@ -2380,11 +2380,11 @@ case TEVAL:
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-66-transcendentals.c b/newrpl/lib-66-transcendentals.c
index ba131b6..64f5e4e 100644
--- a/newrpl/lib-66-transcendentals.c
+++ b/newrpl/lib-66-transcendentals.c
@@ -5002,14 +5002,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-68-flags.c b/newrpl/lib-68-flags.c
index 0347b21..fb95512 100644
--- a/newrpl/lib-68-flags.c
+++ b/newrpl/lib-68-flags.c
@@ -3000,18 +3000,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
     case OPCODE_CHECKOBJ:
         // THIS OPCODE RECEIVES A POINTER TO AN OBJECT FROM THIS LIBRARY AND MUST
diff --git a/newrpl/lib-70-binary.c b/newrpl/lib-70-binary.c
index e2e4412..305260e 100644
--- a/newrpl/lib-70-binary.c
+++ b/newrpl/lib-70-binary.c
@@ -1082,14 +1082,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-72-stack.c b/newrpl/lib-72-stack.c
index 19544d1..6543e6a 100644
--- a/newrpl/lib-72-stack.c
+++ b/newrpl/lib-72-stack.c
@@ -754,18 +754,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-74-sdcard.c b/newrpl/lib-74-sdcard.c
index bb9bbc1..df9cf64 100644
--- a/newrpl/lib-74-sdcard.c
+++ b/newrpl/lib-74-sdcard.c
@@ -2471,18 +2471,18 @@ case SDPATH:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-76-ui.c b/newrpl/lib-76-ui.c
index e5b7e01..accb310 100644
--- a/newrpl/lib-76-ui.c
+++ b/newrpl/lib-76-ui.c
@@ -826,18 +826,18 @@ case EDINSERT:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-77-libdata.c b/newrpl/lib-77-libdata.c
index 38e7efe..5b13e50 100644
--- a/newrpl/lib-77-libdata.c
+++ b/newrpl/lib-77-libdata.c
@@ -1132,18 +1132,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-78-fonts.c b/newrpl/lib-78-fonts.c
index dba2fbf..31ea283 100644
--- a/newrpl/lib-78-fonts.c
+++ b/newrpl/lib-78-fonts.c
@@ -1279,18 +1279,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-80-bitmaps.c b/newrpl/lib-80-bitmaps.c
index d89a9c7..8fae4bd 100644
--- a/newrpl/lib-80-bitmaps.c
+++ b/newrpl/lib-80-bitmaps.c
@@ -1018,18 +1018,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-88-plot.c b/newrpl/lib-88-plot.c
index 8a984a2..199ba53 100644
--- a/newrpl/lib-88-plot.c
+++ b/newrpl/lib-88-plot.c
@@ -2106,18 +2106,18 @@ case SCLVIEW:
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-96-composites.c b/newrpl/lib-96-composites.c
index e0b15d8..c2638e6 100644
--- a/newrpl/lib-96-composites.c
+++ b/newrpl/lib-96-composites.c
@@ -2713,18 +2713,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-98-statistics.c b/newrpl/lib-98-statistics.c
index 0cc8708..a4e1950 100644
--- a/newrpl/lib-98-statistics.c
+++ b/newrpl/lib-98-statistics.c
@@ -228,18 +228,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-common.c b/newrpl/lib-common.c
index f8d4306..b7d0196 100644
--- a/newrpl/lib-common.c
+++ b/newrpl/lib-common.c
@@ -138,7 +138,15 @@ void libGetRomptrID(BINT libnum,WORDPTR *table,WORDPTR ptr)
     while(table[idx]) {
         if( (ptr>=table[idx]) && (ptr<table[idx]+rplObjSize(table[idx]))) {
             BINT offset=ptr-table[idx];
-            ObjectID=MKROMPTRID(libnum,idx,offset);
+            if(offset>30) {
+                ObjectID=MKROMPTRID(libnum,idx,31); // MARK OFFSET=31 TO INDICATE OFFSET EXCEEDS THE OFFSET
+                ObjectIDHash=libComputeHash(ptr);
+            }
+            else {
+                    ObjectID=MKROMPTRID(libnum,idx,offset);
+                    ObjectIDHash=0;
+                }
+
             RetNum=OK_CONTINUE;
             return;
         }
@@ -148,7 +156,7 @@ void libGetRomptrID(BINT libnum,WORDPTR *table,WORDPTR ptr)
     return;
 }
 
-void libGetPTRFromID(WORDPTR *table,WORD id)
+void libGetPTRFromID(WORDPTR *table,WORD id,WORD hash)
 {
     BINT idx=0;
     while(table[idx]) ++idx;
@@ -156,7 +164,33 @@ void libGetPTRFromID(WORDPTR *table,WORD id)
         RetNum=ERR_NOTMINE;
         return;
     }
-    ObjectPTR=table[ROMPTRID_IDX(id)]+ROMPTRID_OFF(id);
+    if(ROMPTRID_OFF(id)<31) ObjectPTR=table[ROMPTRID_IDX(id)]+ROMPTRID_OFF(id);
+    else {
+        // SCAN THE OBJECT TO FIND A MATCHING HASH
+        WORDPTR scan=table[ROMPTRID_IDX(id)],ptr;
+        WORDPTR end=rplSkipOb(scan);
+        BINT len;
+        WORD exhash;
+        scan+=31;   // MINIMUM OFFSET FOR A SEARCH
+        while(scan<end) {
+            exhash=115127;
+            ptr=scan;
+            while(ptr<end) {
+                exhash=((exhash<<13)-exhash)+ *ptr;
+                ++ptr;
+                if(exhash==hash) {
+                    // FOUND AN OBJECT, CHECK FOR VALIDITY
+                    if(rplObjSize(scan)==ptr-scan) {
+                        ObjectPTR=scan;
+                        RetNum=OK_CONTINUE;
+                    }
+
+                }
+            }
+          ++scan;
+        }
+
+    }
     RetNum=OK_CONTINUE;
 }
 
@@ -271,6 +305,16 @@ while(object!=end) {
 return hash;
 }
 
+WORD libComputeHash2(WORDPTR start,BINT nwords)
+{
+WORDPTR end=start+nwords;
+WORD hash=115127;
+while(start!=end) {
+    hash=((hash<<13)-hash)+ *start;
+    ++start;
+}
+return hash;
+}
 
 
 // FINDS A TEXT MESSAGE IN A TABLE IN THE FORM
diff --git a/newrpl/lib-eight-docol.c b/newrpl/lib-eight-docol.c
index 5118fa8..7e3db72 100644
--- a/newrpl/lib-eight-docol.c
+++ b/newrpl/lib-eight-docol.c
@@ -1016,18 +1016,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-nine-docol2.c b/newrpl/lib-nine-docol2.c
index ea3b57e..4619eca 100644
--- a/newrpl/lib-nine-docol2.c
+++ b/newrpl/lib-nine-docol2.c
@@ -1531,14 +1531,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-ten-reals.c b/newrpl/lib-ten-reals.c
index b35e470..8f661dc 100644
--- a/newrpl/lib-ten-reals.c
+++ b/newrpl/lib-ten-reals.c
@@ -988,7 +988,7 @@ void LIB_HANDLER()
        // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
        // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
        // ObjectPTR = POINTER TO ROM OBJECT
-       // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+       // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
        // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
        libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
@@ -999,7 +999,7 @@ void LIB_HANDLER()
        // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
        // OR RetNum= ERR_NOTMINE;
 
-       libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+       libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
        return;
 
 
diff --git a/newrpl/lib-twelve-bint.c b/newrpl/lib-twelve-bint.c
index 362c939..58c6490 100644
--- a/newrpl/lib-twelve-bint.c
+++ b/newrpl/lib-twelve-bint.c
@@ -1723,18 +1723,18 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/lib-two-ident.c b/newrpl/lib-two-ident.c
index c583a55..211a2d0 100644
--- a/newrpl/lib-two-ident.c
+++ b/newrpl/lib-two-ident.c
@@ -352,14 +352,14 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         RetNum=ERR_NOTMINE;
         return;
     case OPCODE_ROMID2PTR:
         // THIS OPCODE GETS A UNIQUE ID AND MUST RETURN A POINTER TO THE OBJECT IN ROM
-        // ObjectID = ID
+        // ObjectID = ID, ObjectIDHash=hash
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
diff --git a/newrpl/lib-zero-messages.c b/newrpl/lib-zero-messages.c
index 29628d1..d72b773 100644
--- a/newrpl/lib-zero-messages.c
+++ b/newrpl/lib-zero-messages.c
@@ -164,7 +164,7 @@ void LIB_HANDLER()
         // THIS OPCODE RECEIVES A POINTER TO AN RPL OBJECT IN ROM, EXPORTED BY THIS LIBRARY
         // AND CONVERTS IT TO A UNIQUE ID FOR BACKUP PURPOSES
         // ObjectPTR = POINTER TO ROM OBJECT
-        // LIBBRARY RETURNS: ObjectID=new ID, RetNum=OK_CONTINUE
+        // LIBBRARY RETURNS: ObjectID=new ID, ObjectIDHash=hash, RetNum=OK_CONTINUE
         // OR RetNum=ERR_NOTMINE IF THE OBJECT IS NOT RECOGNIZED
 
         libGetRomptrID(LIBRARY_NUMBER,(WORDPTR *)ROMPTR_TABLE,ObjectPTR);
@@ -175,7 +175,7 @@ void LIB_HANDLER()
         // LIBRARY RETURNS: ObjectPTR = POINTER TO THE OBJECT, AND RetNum=OK_CONTINUE
         // OR RetNum= ERR_NOTMINE;
 
-        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID);
+        libGetPTRFromID((WORDPTR *)ROMPTR_TABLE,ObjectID,ObjectIDHash);
         return;
 
     case OPCODE_CHECKOBJ:
diff --git a/newrpl/libraries.h b/newrpl/libraries.h
index ba59e2b..5db9b26 100644
--- a/newrpl/libraries.h
+++ b/newrpl/libraries.h
@@ -174,11 +174,12 @@ void libProbeCmds(char *libnames[], BINT tokeninfo[], int numcmds);
 void libGetInfo(WORD opcode,char *libnames[],WORD libopcodes[],BINT tokeninfo[],int numcmds);
 void libGetInfo2(WORD opcode, char *libnames[], BINT tokeninfo[], int numcmds);
 void libGetRomptrID(BINT libnum,WORDPTR *table,WORDPTR ptr);
-void libGetPTRFromID(WORDPTR *table,WORD id);
+void libGetPTRFromID(WORDPTR *table,WORD id,WORD hash);
 void libAutoCompleteNext(BINT libnum,char *libnames[],int numcmds);
 void libAutoCompletePrev(BINT libnum,char *libnames[],int numcmds);
 void libFindMsg(BINT message,WORDPTR table);
 WORD libComputeHash(WORDPTR object);
+WORD libComputeHash2(WORDPTR start,BINT nwords);
 
 
 
diff --git a/newrpl/sysvars.h b/newrpl/sysvars.h
index 94206b6..9c4b996 100644
--- a/newrpl/sysvars.h
+++ b/newrpl/sysvars.h
@@ -114,6 +114,7 @@ UBINT ArgNum1,ArgNum2,ArgNum3,RetNum;
 
 #define BlankLen ArgNum2
 #define DecompHints ArgNum2
+#define ObjectIDHash ArgNum2
 
 #define CurrentConstruct ArgNum3
 #define SuggestedOpcode  ArgNum3