From 431b16639da20c5f433a66a0fd3cff06707b320c Mon Sep 17 00:00:00 2001
From: steve <steve>
Date: Sun, 29 Apr 2001 23:13:33 +0000
Subject: [PATCH]  Add bufif0 and bufif1 functors.

---
 vvp/compile.cc | 11 +++++++-
 vvp/draw_tt.c  | 75 +++++++++++++++++++++++++++++++++++++++++++++++++-
 vvp/functor.h  |  7 ++++-
 3 files changed, 90 insertions(+), 3 deletions(-)

diff --git a/vvp/compile.cc b/vvp/compile.cc
index 409591a16..f6e258004 100644
--- a/vvp/compile.cc
+++ b/vvp/compile.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: compile.cc,v 1.45 2001/04/29 22:59:46 steve Exp $"
+#ident "$Id: compile.cc,v 1.46 2001/04/29 23:13:33 steve Exp $"
 #endif
 
 # include  "compile.h"
@@ -282,6 +282,12 @@ void compile_functor(char*label, char*type, unsigned init,
       } else if (strcmp(type, "BUF") == 0) {
 	    obj->table = ft_BUF;
 
+      } else if (strcmp(type, "BUFIF0") == 0) {
+	    obj->table = ft_BUFIF0;
+
+      } else if (strcmp(type, "BUFIF1") == 0) {
+	    obj->table = ft_BUFIF1;
+
       } else if (strcmp(type, "MUXZ") == 0) {
 	    obj->table = ft_MUXZ;
 
@@ -931,6 +937,9 @@ void compile_dump(FILE*fd)
 
 /*
  * $Log: compile.cc,v $
+ * Revision 1.46  2001/04/29 23:13:33  steve
+ *  Add bufif0 and bufif1 functors.
+ *
  * Revision 1.45  2001/04/29 22:59:46  steve
  *  Support .net constant inputs.
  *
diff --git a/vvp/draw_tt.c b/vvp/draw_tt.c
index d60d21671..c2f26fee2 100644
--- a/vvp/draw_tt.c
+++ b/vvp/draw_tt.c
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: draw_tt.c,v 1.7 2001/04/26 05:12:02 steve Exp $"
+#ident "$Id: draw_tt.c,v 1.8 2001/04/29 23:13:34 steve Exp $"
 #endif
 
 # include  <stdio.h>
@@ -122,6 +122,74 @@ static void draw_BUF(void)
       printf("};\n");
 }
 
+static void draw_BUFIF0(void)
+{
+      unsigned i0, i1, i2, i3;
+
+      printf("const unsigned char ft_BUFIF0[64] = {");
+
+      for (i3 = 0 ;  i3 < 4 ;  i3 += 1)
+	    for (i2 = 0 ;  i2 < 4 ;  i2 += 1) {
+		  printf("\n    ");
+		  for (i1 = 0 ;  i1 < 4 ;  i1 += 1) {
+			unsigned idx = (i3 << 4) | (i2 << 2) | i1;
+			unsigned char byte = 0;
+
+			for (i0 = 0 ; i0 < 4 ;  i0 += 1) {
+			      unsigned val;
+			      if (i2 == 0)
+				    val = 3;
+			      else if (i0 == 1)
+				    val = 1;
+			      else if (i0 == 0)
+				    val = 0;
+			      else
+				    val = 2;
+
+			      byte |= val << (i0*2);
+			}
+
+			printf("0x%02x, ", byte);
+		  }
+	    }
+
+      printf("};\n");
+}
+
+static void draw_BUFIF1(void)
+{
+      unsigned i0, i1, i2, i3;
+
+      printf("const unsigned char ft_BUFIF1[64] = {");
+
+      for (i3 = 0 ;  i3 < 4 ;  i3 += 1)
+	    for (i2 = 0 ;  i2 < 4 ;  i2 += 1) {
+		  printf("\n    ");
+		  for (i1 = 0 ;  i1 < 4 ;  i1 += 1) {
+			unsigned idx = (i3 << 4) | (i2 << 2) | i1;
+			unsigned char byte = 0;
+
+			for (i0 = 0 ; i0 < 4 ;  i0 += 1) {
+			      unsigned val;
+			      if (i2 == 1)
+				    val = 3;
+			      else if (i0 == 1)
+				    val = 1;
+			      else if (i0 == 0)
+				    val = 0;
+			      else
+				    val = 2;
+
+			      byte |= val << (i0*2);
+			}
+
+			printf("0x%02x, ", byte);
+		  }
+	    }
+
+      printf("};\n");
+}
+
 static void draw_MUXZ(void)
 {
       unsigned i0, i1, i2, i3;
@@ -429,6 +497,8 @@ main()
       printf("# include  \"functor.h\"\n");
       draw_AND();
       draw_BUF();
+      draw_BUFIF0();
+      draw_BUFIF1();
       draw_MUXZ();
       draw_NAND();
       draw_NOR();
@@ -443,6 +513,9 @@ main()
 
 /*
  * $Log: draw_tt.c,v $
+ * Revision 1.8  2001/04/29 23:13:34  steve
+ *  Add bufif0 and bufif1 functors.
+ *
  * Revision 1.7  2001/04/26 05:12:02  steve
  *  Implement simple MUXZ for ?: operators.
  *
diff --git a/vvp/functor.h b/vvp/functor.h
index 198c02cea..86dc46aa9 100644
--- a/vvp/functor.h
+++ b/vvp/functor.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: functor.h,v 1.16 2001/04/26 15:52:22 steve Exp $"
+#ident "$Id: functor.h,v 1.17 2001/04/29 23:13:34 steve Exp $"
 #endif
 
 # include  "pointers.h"
@@ -190,6 +190,8 @@ extern void functor_dump(FILE*fd);
 
 extern const unsigned char ft_AND[];
 extern const unsigned char ft_BUF[];
+extern const unsigned char ft_BUFIF0[];
+extern const unsigned char ft_BUFIF1[];
 extern const unsigned char ft_MUXZ[];
 extern const unsigned char ft_NAND[];
 extern const unsigned char ft_NOR[];
@@ -201,6 +203,9 @@ extern const unsigned char ft_var[];
 
 /*
  * $Log: functor.h,v $
+ * Revision 1.17  2001/04/29 23:13:34  steve
+ *  Add bufif0 and bufif1 functors.
+ *
  * Revision 1.16  2001/04/26 15:52:22  steve
  *  Add the mode-42 functor concept to UDPs.
  *