diff --git a/README.md b/README.md
index 7b490d1e..0d42e207 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,10 @@
### New Host Platform support - HP-UX and AIX
+### Simulator Front Panel API
+
+The sim_frontpanel API provides a programatic interface to start and control any simulator without any special additions to the simulator code.
+
### New Functionality
#### Remote Console Facility
diff --git a/Visual Studio Projects/FrontPanelTest.sln b/Visual Studio Projects/FrontPanelTest.sln
new file mode 100644
index 00000000..024e047b
--- /dev/null
+++ b/Visual Studio Projects/FrontPanelTest.sln
@@ -0,0 +1,20 @@
+
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual C++ Express 2008
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "FrontPanelTest", "FrontPanelTest.vcproj", "{F9583457-34AD-44BD-9A55-ECBF3016292A}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Win32 = Debug|Win32
+ Release|Win32 = Release|Win32
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {F9583457-34AD-44BD-9A55-ECBF3016292A}.Debug|Win32.ActiveCfg = Debug|Win32
+ {F9583457-34AD-44BD-9A55-ECBF3016292A}.Debug|Win32.Build.0 = Debug|Win32
+ {F9583457-34AD-44BD-9A55-ECBF3016292A}.Release|Win32.ActiveCfg = Release|Win32
+ {F9583457-34AD-44BD-9A55-ECBF3016292A}.Release|Win32.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal
diff --git a/Visual Studio Projects/FrontPanelTest.vcproj b/Visual Studio Projects/FrontPanelTest.vcproj
new file mode 100644
index 00000000..00100c1c
--- /dev/null
+++ b/Visual Studio Projects/FrontPanelTest.vcproj
@@ -0,0 +1,240 @@
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diff --git a/frontpanel/FrontPanelTest.c b/frontpanel/FrontPanelTest.c
new file mode 100644
index 00000000..78da5dc1
--- /dev/null
+++ b/frontpanel/FrontPanelTest.c
@@ -0,0 +1,270 @@
+/* FrontPanelTest.c: simulator frontpanel API sample
+
+ Copyright (c) 2015, Mark Pizzolato
+
+ Permission is hereby granted, free of charge, to any person obtaining a
+ copy of this software and associated documentation files (the "Software"),
+ to deal in the Software without restriction, including without limitation
+ the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ and/or sell copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ MARK PIZZOLATO BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ Except as contained in this notice, the name of Mark Pizzolato shall not be
+ used in advertising or otherwise to promote the sale, use or other dealings
+ in this Software without prior written authorization from Mark Pizzolato.
+
+ 05-Feb-15 MP Initial implementation
+
+ This module demonstrates the use of the interface between a front panel
+ application and a simh simulator. Facilities provide ways to gather
+ information from and to observe and control the state of a simulator.
+
+*/
+
+/* This program provides a basic test of the simh_frontpanel API. */
+
+#include
+#include
+#include
+#include "sim_frontpanel.h"
+#include
+
+#if defined(_WIN32)
+#include
+#define usleep(n) Sleep(n/1000)
+#else
+#include
+#endif
+char *sim_path =
+#if defined(_WIN32)
+ "vax.exe";
+#else
+ "vax";
+#endif
+
+char *sim_config =
+ "VAX-PANEL.ini";
+
+/* Registers visible on the Front Panel */
+unsigned int PC, SP, FP, AP, R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11;
+
+static void
+DisplayCallback (PANEL *panel, void *context)
+{
+char buf1[100], buf2[100], buf3[100];
+static char *states[] = {"Halt", "Run "};
+
+buf1[sizeof(buf1)-1] = buf2[sizeof(buf2)-1] = buf3[sizeof(buf3)-1] = 0;
+sprintf (buf1, "%s PC: %08X SP: %08X AP: %08X FP: %08X\r\n", states[sim_panel_get_state (panel)], PC, SP, AP, FP);
+sprintf (buf2, "R0:%08X R1:%08X R2:%08X R3:%08X R4:%08X R5:%08X\r\n", R0, R1, R2, R3, R4, R5);
+sprintf (buf3, "R6:%08X R7:%08X R8:%08X R9:%08X R10:%08X R11:%08X\r\n", R6, R7, R8, R9, R10, R11);
+#if defined(_WIN32)
+if (1) {
+ static HANDLE out = NULL;
+ CONSOLE_SCREEN_BUFFER_INFO info;
+ static COORD origin;
+ int written;
+
+ if (out == NULL)
+ out = GetStdHandle (STD_OUTPUT_HANDLE);
+ GetConsoleScreenBufferInfo (out, &info);
+ SetConsoleCursorPosition (out, origin);
+ WriteConsoleA(out, buf1, strlen(buf1), &written, NULL);
+ WriteConsoleA(out, buf2, strlen(buf2), &written, NULL);
+ WriteConsoleA(out, buf3, strlen(buf3), &written, NULL);
+ SetConsoleCursorPosition (out, info.dwCursorPosition);
+ }
+#else
+#define ESC "\033"
+#define CSI ESC "["
+printf (CSI "s"); /* Save Cursor Position */
+printf (CSI "H"); /* Position to Top of Screen (1,1) */
+printf ("%s", buf1);
+printf ("%s", buf2);
+printf ("%s", buf3);
+printf (CSI "s"); /* Restore Cursor Position */
+printf ("\r\n");
+#endif
+}
+
+static
+void InitDisplay (void)
+{
+#if defined(_WIN32)
+system ("cls");
+#else
+printf (CSI "H"); /* Position to Top of Screen (1,1) */
+printf (CSI "2J"); /* Clear Screen */
+#endif
+printf ("\n\n\n");
+printf ("^C to Halt, Commands: BOOT, CONT, EXIT\n");
+}
+
+volatile int halt_cpu = 0;
+
+void halt_handler (int sig)
+{
+signal (SIGINT, halt_handler); /* Re-establish handler for some platforms that implement ONESHOT signal dispatch */
+halt_cpu = 1;
+return;
+}
+
+int
+main (int argc, char **argv)
+{
+PANEL *panel;
+FILE *f;
+
+/* Create pseudo config file for a test */
+if ((f = fopen (sim_config, "w"))) {
+ fprintf (f, "set cpu autoboot\n");
+ fprintf (f, "set cpu 64\n");
+ fprintf (f, "set cpu conhalt\n");
+ fprintf (f, "set console telnet=buffered\n");
+ fprintf (f, "set console telnet=1923\n");
+ fclose (f);
+ }
+
+InitDisplay();
+signal (SIGINT, halt_handler);
+panel = sim_panel_start_simulator (sim_path,
+ sim_config);
+
+if (!panel) {
+ printf ("Error starting simulator: %s\n", sim_panel_get_error());
+ goto Done;
+ }
+
+if (sim_panel_add_register (panel, "PC", sizeof(PC), &PC)) {
+ printf ("Error adding register 'PC': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "SP", sizeof(SP), &SP)) {
+ printf ("Error adding register 'SP': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "FP", sizeof(FP), &FP)) {
+ printf ("Error adding register 'FP': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "AP", sizeof(SP), &AP)) {
+ printf ("Error adding register 'AP': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R0", sizeof(R0), &R0)) {
+ printf ("Error adding register 'R0': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R1", sizeof(R1), &R1)) {
+ printf ("Error adding register 'R1': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R2", sizeof(R2), &R2)) {
+ printf ("Error adding register 'R2': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R3", sizeof(R3), &R3)) {
+ printf ("Error adding register 'R3': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R4", sizeof(R4), &R4)) {
+ printf ("Error adding register 'R4': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R5", sizeof(R5), &R5)) {
+ printf ("Error adding register 'R5': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R6", sizeof(R6), &R6)) {
+ printf ("Error adding register 'R6': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R7", sizeof(R7), &R7)) {
+ printf ("Error adding register 'R7': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R8", sizeof(R8), &R8)) {
+ printf ("Error adding register 'R8': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R9", sizeof(R9), &R9)) {
+ printf ("Error adding register 'R9': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R10", sizeof(R10), &R10)) {
+ printf ("Error adding register 'R10': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_add_register (panel, "R11", sizeof(R11), &R11)) {
+ printf ("Error adding register 'R11': %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (sim_panel_get_registers (panel)) {
+ printf ("Error getting register data: %s\n", sim_panel_get_error());
+ goto Done;
+ }
+DisplayCallback (panel, NULL);
+if (sim_panel_set_display_callback (panel, &DisplayCallback, NULL, 5)) {
+ printf ("Error setting automatic display callback: %s\n", sim_panel_get_error());
+ goto Done;
+ }
+if (!sim_panel_get_registers (panel)) {
+ printf ("Unexpected success getting register data: %s\n", sim_panel_get_error());
+ goto Done;
+ }
+while (1) {
+ size_t i;
+ char cmd[512];
+
+ while (sim_panel_get_state (panel) == Halt) {
+ printf ("SIM> ");
+ if (!fgets (cmd, sizeof(cmd)-1, stdin))
+ break;
+ while (strlen(cmd) && isspace(cmd[strlen(cmd)-1]))
+ cmd[strlen(cmd)-1] = '\0';
+ while (isspace(cmd[0]))
+ memmove (cmd, cmd+1, strlen(cmd));
+ for (i=0; i