Fix use of UFA instruction in C library.

Patch out the call to FIXIFY in CC.  This subroutine uses the UFA
instruction which isn't implemented on a KS10.

Make the use of UFA an assembly time conditional in the C library.
Replace it with FIX on KS10.

src/clib/c10run.cmid

@@ -8,6 +8,8 @@ TITLE CRUN
 .INSRT NC
 .INSRT NM
 
+IFNDEF KS10,KS10==0
+
 .GLOBAL A,B,C,D,P,GO,.CCALL,.VCALL,.ACALL,.XCALL
 
 PDLSIZ==20000				; DESIRED PDL SIZE
@@ -352,17 +354,23 @@ I$MES4:	ASCIZ/PURIFY FAILED/
 
 .CODE
 
+IFE KS10,[
+EXPUNGE FIX
+DEFINE FIX X,Y
+	UFA	Y,[233000000000']
+	TLZ	X,777000'
+TERMIN
+]
+
 IENTRY	FIXIFY
 
 	JUMPL	A,FIXL
 	FADR	A,[.499999]
-	UFA	A,[233000000000']
-	TLZ	B,777000'
+	FIX	B,A
 	JRST	@0
 FIXL:	MOVN	A,A
 	FADR	A,[.499999]
-	UFA	A,[233000000000']
-	TLZ	B,777000'
+	FIX	B,A
 	MOVN	B,B
 	JRST	@0
 

src/clib/cfloat.cmid

@@ -8,6 +8,8 @@ TITLE CFLOAT
 .INSRT NC
 .INSRT NM
 
+IFNDEF KS10,KS10==0
+
 ; CONTAINS: LOG, EXP, COS, SIN, ATAN, SQRT, DTRUNCATE, DROUND, DABS
 
 CENTRY	LOG,[V]
@@ -183,24 +185,29 @@ ATAN3:	MOVE	A,B
 SQRT2:	1.41421356
 PI2:	3.1415926535/2
 
+IFE KS10,[
+EXPUNGE FIX
+DEFINE FIX X,Y
+	UFA	Y,[233000000000']
+	TLZ	X,777000'
+TERMIN
+]
+
 CENTRY	DROUND,[V]
 
 	MOVE	A,V
 	FADR	A,[.499999]
 	JUMPL	A,ROUND1
-	UFA	A,[233000000000]
-	TLZ	B,777000
+	FIX	B,A
 	GO	ROUND2
-ROUND1:	UFA	A,[233000000000]
-	TLO	B,777000
+ROUND1:	FIX	B,A
 ROUND2:	MOVE	A,B
 	RETURN
 
 CENTRY	DTRUNCATE,[V]
 
 	MOVE	A,V
-	UFA	A,[233000000000]
-	TLZ	B,777000
+	FIX	B,A
 	MOVE	A,B
 	RETURN