--- /dev/null
+
+<USE "NEWSTRUC">
+
+<DEFINE GET-FIELD (WD BITS)
+ #DECL ((WD) <PRIMTYPE FIX> (BITS) BITS)
+ <CHTYPE <GETBITS .WD .BITS> FIX>>
+
+<DEFINE LHW (WD)
+ #DECL ((WD) <PRIMTYPE FIX>)
+ <CHTYPE <GETBITS .WD <BITS 16 16>> FIX>>
+
+<DEFINE RHW (WD)
+ #DECL ((WD) <PRIMTYPE FIX>)
+ <CHTYPE <GETBITS .WD <BITS 16>> FIX>>
+
+<DEFINE PUT-LHW (WD VAL)
+ #DECL ((WD VAL) <PRIMTYPE FIX>)
+ <PUTBITS .WD <BITS 16 16> .VAL>>
+
+<DEFINE PUT-RHW (WD VAL)
+ #DECL ((WD VAL) <PRIMTYPE FIX>)
+ <PUTBITS .WD <BITS 16> .VAL>>
+
+
+<DEFINE TAB ()
+ <PRINC !\ >>
+
+<ENV-COND
+ ((ENVIRONMENT MIM)
+ <PUT-DECL BOOLEAN '<OR ATOM FALSE>>)
+ (T <PUT BOOLEAN DECL '<OR ATOM FALSE>>)>
+
+<SETG FCN ,FUNCTION>