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[unix-history] / usr / src / old / as.vax / instrs.h

diff --git a/usr/src/old/as.vax/instrs.h b/usr/src/old/as.vax/instrs.h
index 915bdda..ef87795 100644 (file)
--- a/usr/src/old/as.vax/instrs.h
+++ b/usr/src/old/as.vax/instrs.h
@@ -1,7 +1,11 @@
 /*
 /*

- *     Copyright (c) 1982 Regents of the University of California
- *     @(#)instrs.h 4.3 %G%
+ * Copyright (c) 1982 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ *     @(#)instrs.h    5.1 (Berkeley) %G%

  */
  */

+

 /*
  *     Argument data types
  *
 /*
  *     Argument data types
  *


@@ -36,6 +40,7 @@
 #define        ACCW    (2<<TYPLG)                      /* write */
 #define        ACCB    (4<<TYPLG)                      /* branch displacement */
 #define        ACCA    (8<<TYPLG)                      /* address only */
 #define        ACCW    (2<<TYPLG)                      /* write */
 #define        ACCB    (4<<TYPLG)                      /* branch displacement */
 #define        ACCA    (8<<TYPLG)                      /* address only */

+#define        ACCV    (8<<TYPLG)                      /* address only */

 #define        ACCM    (ACCR | ACCW)                   /* modify */
 #define        ACCI    (ACCB | ACCR)                   /* XFC code */
 
 #define        ACCM    (ACCR | ACCW)                   /* modify */
 #define        ACCI    (ACCB | ACCR)                   /* XFC code */
 


@@ -46,7 +51,7 @@
  *     easy to use and read.
  */
 /*
  *     easy to use and read.
  */
 /*

- *     For address
+ *     For real memory address

  */
 #define        A_AB    A_CONS(ACCA, TYPB)
 #define        A_AW    A_CONS(ACCA, TYPW)
  */
 #define        A_AB    A_CONS(ACCA, TYPB)
 #define        A_AW    A_CONS(ACCA, TYPW)


@@ -57,6 +62,22 @@
 #define        A_AD    A_CONS(ACCA, TYPD)
 #define        A_AG    A_CONS(ACCA, TYPG)
 #define        A_AH    A_CONS(ACCA, TYPH)
 #define        A_AD    A_CONS(ACCA, TYPD)
 #define        A_AG    A_CONS(ACCA, TYPG)
 #define        A_AH    A_CONS(ACCA, TYPH)

+/*
+ *     For real memory addresses, or register addresses [sic]
+ *
+ *     CHEAT! we just call these read access, since
+ *     registers are allowed. All field instruction, except insv,
+ *     are are read access fields.
+ */
+#define        A_VB    A_CONS(ACCR, TYPB)
+#define        A_VW    A_CONS(ACCR, TYPW)
+#define        A_VL    A_CONS(ACCR, TYPL)
+#define        A_VQ    A_CONS(ACCR, TYPQ)
+#define        A_VO    A_CONS(ACCR, TYPO)
+#define        A_VF    A_CONS(ACCR, TYPF)
+#define        A_VD    A_CONS(ACCR, TYPD)
+#define        A_VG    A_CONS(ACCR, TYPG)
+#define        A_VH    A_CONS(ACCR, TYPH)

 /*
  *     For branch displacement
  */
 /*
  *     For branch displacement
  */