Upload

Digital Research

ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/util86/comp3.mar

@@ -0,0 +1,53 @@
+        .TITLE  COMP3. (UTIL-VAX Library Routine DECSIZ)
+;-----------------------------------------------------------------------
+;
+;               D I S C L A I M E R   N O T I C E
+;               -------------------   -----------
+;
+;  This document and/or portions of the material and data furnished
+;  herewith, was developed under sponsorship of the U. S. Government.
+;  Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior
+;  University, nor their employees, nor their respective contractors,
+;  subcontractors, or their employees, makes any warranty, express or
+;  implied, or assumes any liability or responsibility for accuracy,
+;  completeness or usefulness of any information, apparatus, product
+;  or process disclosed, or represents that its use will not infringe
+;  privately-owned rights.  Mention of any product, its manufacturer,
+;  or suppliers shall not, nor is it intended to, imply approval, dis-
+;  approval, or fitness for any particular use.  The U. S. and the
+;  University at all times retain the right to use and disseminate same
+;  for any purpose whatsoever.  Such distribution shall be made by the
+;  National Energy Software Center at the Argonne National Laboratory
+;  and only subject to the distributee furnishing satisfactory proof
+;  that he has a valid license from the Intel Corporation in effect.
+;
+;-----------------------------------------------------------------------
+ 
+        .PSECT  UTIL_CODE,RD,NOWRT,EXE,GBL,CON,LONG
+ 
+;  DECSIZ: PROCEDURE (VALUE) BYTE PUBLIC;
+;	DECLARE VALUE ADDRESS;
+;  END DECSIZ;
+ 
+	.ENTRY	DECSIZ,^M<>
+	MOVZWL	4(AP),R1
+	CMPW	R1,#10
+	BGEQU	1$
+	MOVL	#1,R0		; 0-9: SIZE=1.
+	RET
+1$:	CMPW	R1,#100
+	BGEQU	2$
+	MOVL	#2,R0		; 10-99: SIZE=2.
+	RET
+2$:	CMPW	R1,#1000
+	BGEQU	3$
+	MOVL	#3,R0		; 100-999: SIZE=3.
+	RET
+3$:	CMPW	R1,#10000
+	BGEQU	4$
+	MOVL	#4,R0		; 1000-9999: SIZE=4.
+	RET
+4$:	MOVL	#5,R0		; 10000-65536: SIZE=5.
+	RET
+ 
+	.END