From b198e13c09b784e37dcdfa334d3213dc4f09b850 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Thu, 15 Jan 2015 12:37:30 -0800
Subject: [PATCH] FRONTPANEL: Initial API description

---
 sim_frontpanel.h | 95 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 sim_frontpanel.h

diff --git a/sim_frontpanel.h b/sim_frontpanel.h
new file mode 100644
index 00000000..1bcce23e
--- /dev/null
+++ b/sim_frontpanel.h
@@ -0,0 +1,95 @@
+/* sim_frontpanel.h: simulator frontpanel API definitions
+
+   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
+   ROBERT M SUPNIK 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 Robert M Supnik.
+
+   15-Jan-15    MP      Initial implementation
+
+   This module defines 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.
+
+*/
+
+#ifndef SIM_FRONTPANEL_H_
+#define SIM_FRONTPANEL_H_     0
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    Idle,
+    InputTransfer,
+    OutputTransfer,
+    Halted,
+    Running
+    } OperationalState;
+
+typedef struct sim_frontpanel PANEL;
+
+typedef void (*PANEL_DISPLAY_PCALLBACK)(PANEL *panel, 
+                                        void *context);
+
+PANEL *
+sim_panel_start_simulator (const char *sim_path,
+                           const char *sim_config);
+
+int
+sim_panel_stop_simulator (PANEL *panel);
+
+int
+sim_panel_add_register (PANEL *panel,
+                        const char *name,
+                        int radix,
+                        size_t size,
+                        void *addr);
+
+int
+sim_panel_get_registers (PANEL *panel);
+
+int
+sim_panel_set_display_callback (PANEL *panel, 
+                                PANEL_DISPLAY_PCALLBACK callback, 
+                                void *context, 
+                                int callbacks_per_second);
+
+int
+sim_panel_exec_halt (PANEL *panel);
+
+int
+sim_panel_exec_run (PANEL *panel);
+
+int
+sim_panel_exec_step (PANEL *panel);
+
+const char *sim_panel_get_error (void);
+void sim_panel_clear_error (void);
+int sim_panel_set_error (const char *fmt, ...);
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* SIM_FRONTPANEL_H_ */
\ No newline at end of file