diff --git a/vpi/Makefile.in b/vpi/Makefile.in
index b0345301f..f0601c886 100644
--- a/vpi/Makefile.in
+++ b/vpi/Makefile.in
@@ -18,7 +18,7 @@
 #    59 Temple Place - Suite 330
 #    Boston, MA 02111-1307, USA
 #
-#ident "$Id: Makefile.in,v 1.24 2001/03/31 19:29:23 steve Exp $"
+#ident "$Id: Makefile.in,v 1.25 2001/04/26 00:01:33 steve Exp $"
 #
 #
 SHELL = /bin/sh
@@ -53,7 +53,7 @@ all: system.vpi
 	$(CC) -Wall -I$(srcdir) -I$(srcdir)/.. $(CPPFLAGS) $(CFLAGS) -MD -c $< -o $*.o
 	mv $*.d dep
 
-O = sys_table.o sys_display.o sys_finish.o sys_random.o \
+O = sys_table.o sys_deposit.o sys_display.o sys_finish.o sys_random.o \
 sys_readmem.o sys_readmem_lex.o sys_time.o sys_vcd.o \
 mt19937int.o
 
diff --git a/vpi/sys_deposit.c b/vpi/sys_deposit.c
new file mode 100644
index 000000000..74de87f96
--- /dev/null
+++ b/vpi/sys_deposit.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 1999 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2000 Stephan Boettcher <stephan@nevis.columbia.edu>
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#if !defined(WINNT) && !defined(macintosh)
+#ident "$Id: sys_deposit.c,v 1.1 2001/04/26 00:01:33 steve Exp $"
+#endif
+
+# include  "vpi_user.h"
+# include  <assert.h>
+
+static int sys_deposit_calltf(char *name)
+{
+  vpiHandle sys, argv, target, value;
+  s_vpi_value val;
+
+  sys = vpi_handle(vpiSysTfCall, 0);
+  assert(sys);
+  argv = vpi_iterate(vpiArgument, sys);
+  if (!argv)
+    {
+      vpi_printf("ERROR: %s requires parameters "
+		 "(target, value)\n", name);
+      return 0;
+    }
+  target = vpi_scan(argv);
+  assert(target);
+  value = vpi_scan(argv);
+  assert(value);
+  vpi_free_object(argv);
+  
+  val.format = vpiIntVal;
+  vpi_get_value(value, &val);
+
+  switch (vpi_get(vpiType, target)) 
+    {
+    default:
+      vpi_printf("ERROR: %s invalid target parameter\n", name);
+      break;
+    case vpiNet:
+    case vpiReg:
+      vpi_put_value(target, &val, 0, vpiNoDelay);
+      break;
+    }
+
+  return 0;
+}
+
+void sys_deposit_register()
+{
+  s_vpi_systf_data tf_data;
+  
+  tf_data.type      = vpiSysTask;
+  tf_data.tfname    = "$deposit";
+  tf_data.calltf    = sys_deposit_calltf;
+  tf_data.compiletf = 0;
+  tf_data.sizetf    = 0;
+  tf_data.user_data = "$deposit";
+  vpi_register_systf(&tf_data);
+}
+
+
+/*
+ * $Log: sys_deposit.c,v $
+ * Revision 1.1  2001/04/26 00:01:33  steve
+ *  Support $deposit to a wire or reg.
+ *
+ */
+
diff --git a/vpi/sys_table.c b/vpi/sys_table.c
index 096439908..c37907bd6 100644
--- a/vpi/sys_table.c
+++ b/vpi/sys_table.c
@@ -17,11 +17,12 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT) && !defined(macintosh)
-#ident "$Id: sys_table.c,v 1.8 2000/12/14 23:36:34 steve Exp $"
+#ident "$Id: sys_table.c,v 1.9 2001/04/26 00:01:33 steve Exp $"
 #endif
 #include "vpi_user.h"
 
 extern void sys_finish_register();
+extern void sys_deposit_register();
 extern void sys_display_register();
 extern void sys_random_register();
 extern void sys_readmem_register();
@@ -30,6 +31,7 @@ extern void sys_vcd_register();
 
 void (*vlog_startup_routines[])() = {
       sys_finish_register,
+      sys_deposit_register,
       sys_display_register,
       sys_random_register,
       sys_readmem_register,
@@ -45,6 +47,9 @@ DECLARE_CYGWIN_DLL(DllMain);
 
 /*
  * $Log: sys_table.c,v $
+ * Revision 1.9  2001/04/26 00:01:33  steve
+ *  Support $deposit to a wire or reg.
+ *
  * Revision 1.8  2000/12/14 23:36:34  steve
  *  include vpi_user.h.
  *
diff --git a/vvp/vpi_signal.cc b/vvp/vpi_signal.cc
index 49b87bfe0..ae8052987 100644
--- a/vvp/vpi_signal.cc
+++ b/vvp/vpi_signal.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: vpi_signal.cc,v 1.8 2001/04/25 04:45:52 steve Exp $"
+#ident "$Id: vpi_signal.cc,v 1.9 2001/04/26 00:01:33 steve Exp $"
 #endif
 
 /*
@@ -262,6 +262,17 @@ static vpiHandle signal_put_value(vpiHandle ref, s_vpi_value*vp,
 
       switch (vp->format) {
 
+	  case vpiIntVal: {
+		assert(wid <= sizeof(long));
+
+		long val = vp->value.integer;
+		for (unsigned idx = 0 ;  idx < wid ;  idx += 1) {
+		      functor_set(ipoint_index(rfp->bits,idx), val&1, true);
+		      val >>= 1;
+		}
+		break;
+	  }
+
 	  case vpiScalarVal:
 	    switch (vp->value.scalar) {
 		case vpi0:
@@ -383,6 +394,9 @@ vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
 
 /*
  * $Log: vpi_signal.cc,v $
+ * Revision 1.9  2001/04/26 00:01:33  steve
+ *  Support $deposit to a wire or reg.
+ *
  * Revision 1.8  2001/04/25 04:45:52  steve
  *  Implement vpi_put_value for signals.
  *