From f8c1b726aa2388f35988a8f57fc65bcc5d7ccb53 Mon Sep 17 00:00:00 2001
From: David Wasley <dlw@ucbvax.Berkeley.EDU>
Date: Fri, 1 Jul 1983 16:21:43 -0800
Subject: [PATCH] date and time created 83/07/01 09:21:43 by dlw

SCCS-vsn: usr.bin/f77/libF77/operand.h 1.1
---
 usr/src/usr.bin/f77/libF77/operand.h | 58 ++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 usr/src/usr.bin/f77/libF77/operand.h

diff --git a/usr/src/usr.bin/f77/libF77/operand.h b/usr/src/usr.bin/f77/libF77/operand.h
new file mode 100644
index 0000000000..d9aeeaef7a
--- /dev/null
+++ b/usr/src/usr.bin/f77/libF77/operand.h
@@ -0,0 +1,58 @@
+/*
+ * operand.h  --  definitions useful to VAX operand decoding
+ *	@(#)operand.h	1.1
+ */
+
+#define	opmode(op)	(op & 0xf0)
+#define	opregn(op)	(op & 0xf)
+
+/*
+ * operand modes
+ */
+#define	LITERAL0	0x00
+#define	LITERAL1	0x10
+#define	LITERAL2	0x20
+#define	LITERAL3	0x30
+#define	INDEXED		0x40
+#define	REGISTER	0x50
+#define	REGDEFERED	0x60
+#define	AUTODEC		0x70
+#define	AUTOINC		0x80
+#define	AUTOINCDEF	0x90
+#define	BYTEDISP	0xa0
+#define	BYTEDISPDEF	0xb0
+#define	WORDDISP	0xc0
+#define	WORDDISPDEF	0xd0
+#define	LONGDISP	0xe0
+#define	LONGDISPDEF	0xf0
+/*
+ * Modes where R is PC
+ */
+#define	IMMEDIATE	0x8f
+#define	ABSOLUTE	0x9f
+#define	BYTEREL		0xaf
+#define	BYTERELDEF	0xbf
+#define	WORDREL		0xcf
+#define	WORDRELDEF	0xdf
+#define	LONGREL		0xef
+#define	LONGRELDEF	0xff
+
+/*
+ * register definitions
+ */
+#define	R0	0
+#define	R1	1
+#define	R2	2
+#define	R3	3
+#define	R4	4
+#define	R5	5
+#define	R6	6
+#define	R7	7
+#define	R8	8
+#define	R9	9
+#define	R10	10
+#define	R11	11
+#define	AP	12
+#define	FP	13
+#define	SP	14
+#define	PC	15
-- 
2.20.1