Intel-Systems: Update and cleanup components

Intel-Systems/imds-810/monitor.c

@@ -0,0 +1,83 @@
+/*  monitor.c: Intel MDS-800 Monitor Module simulator
+
+    Copyright (c) 2010, William A. Beech
+
+        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
+        WILLIAM A. BEECH 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 William A. Beech shall not be
+        used in advertising or otherwise to promote the sale, use or other dealings
+        in this Software without prior written authorization from William A. Beech.
+
+        This software was written by Bill Beech, Dec 2010, to allow emulation of Multibus
+        Computer Systems.
+
+    5 October 2017 - Original file.
+*/
+
+#include "system_defs.h"
+
+/* function prototypes */
+
+t_stat monitor_cfg(void);
+t_stat monitor_reset (void);
+
+/* external function prototypes */
+
+extern uint8 monitor_do_boot(t_bool io, uint8 data);
+extern uint8 EPROM1_get_mbyte(uint16 addr);
+extern t_stat i3214_reset(DEVICE *dptr);
+extern t_stat EPROM1_reset(DEVICE *dptr);
+extern uint8 reg_dev(uint8 (*routine)(t_bool, uint8, uint8), uint8, uint8);
+extern t_stat EPROM1_cfg(uint16 base, uint16 size);
+extern t_stat i8251_reset (DEVICE *dptr);
+extern t_stat i8251_cfg(uint8 base, uint8 size);
+
+// external globals
+
+extern uint32 PCX;                    /* program counter */
+extern UNIT EPROM1_unit;                 //8316 PROM
+extern DEVICE *i8251_dev;
+extern DEVICE *EPROM1_dev;
+
+// globals
+
+extern uint8 monitor_boot;
+
+// fp configuration
+
+t_stat monitor_cfg(void)
+{
+    sim_printf("Initializing MDS-800 Monitor Module\n  Onboard Devices:\n");
+    EPROM1_cfg(ROM1_BASE, ROM1_SIZE);
+    i8251_cfg(I8251_BASE_0, 0);
+    i8251_cfg(I8251_BASE_1, 1);
+    return SCPE_OK;
+}
+
+/*  Monitor reset routine 
+    put here to cause a reset of the entire IPC system */
+
+t_stat monitor_reset (void)
+{    
+    monitor_boot = 0x00;
+    i8251_reset(i8251_dev);
+    EPROM1_reset(EPROM1_dev);
+    return SCPE_OK;
+}
+
+/* end of monitor.c */