Addition of MicroVAX I (VAX610) processor simulator from Matt Burke

2026-05-03 22:48:35 +00:00 · 2012-10-25 11:58:10 -07:00
parent cc7049cc39
commit 76612265ca
17 changed files with 3576 additions and 17 deletions
--- a/VAX/vax610_syslist.c
+++ b/VAX/vax610_syslist.c
@@ -0,0 +1,114 @@
+/* vax610_syslist.c: MicroVAX I device list
+
+   Copyright (c) 2011-2012, Matt Burke
+   This module incorporates code from SimH, Copyright (c) 1998-2008, Robert M Supnik
+
+   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
+   THE AUTHOR(S) 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(s) of the author(s) shall not be
+   used in advertising or otherwise to promote the sale, use or other dealings
+   in this Software without prior written authorization from the author(s).
+
+   15-Feb-2012  MB      First version
+*/
+
+#include "vax_defs.h"
+
+char sim_name[] = "VAX610";
+
+extern DEVICE cpu_dev;
+extern DEVICE mctl_dev;
+extern DEVICE tlb_dev;
+extern DEVICE sysd_dev;
+extern DEVICE qba_dev;
+extern DEVICE tti_dev, tto_dev;
+extern DEVICE cr_dev;
+extern DEVICE lpt_dev;
+extern DEVICE clk_dev;
+extern DEVICE rq_dev, rqb_dev, rqc_dev, rqd_dev;
+extern DEVICE rl_dev;
+extern DEVICE ry_dev;
+extern DEVICE ts_dev;
+extern DEVICE tq_dev;
+extern DEVICE dz_dev;
+extern DEVICE xq_dev, xqb_dev;
+extern DEVICE vh_dev;
+
+extern int32 sim_switches;
+extern void WriteB (uint32 pa, int32 val);
+extern UNIT cpu_unit;
+
+DEVICE *sim_devices[] = { 
+    &cpu_dev,
+    &mctl_dev,
+    &tlb_dev,
+    &sysd_dev,
+    &qba_dev,
+    &clk_dev,
+    &tti_dev,
+    &tto_dev,
+    &dz_dev,
+    &vh_dev,
+    &cr_dev,
+    &lpt_dev,
+    &rl_dev,
+    &rq_dev,
+    &rqb_dev,
+    &rqc_dev,
+    &rqd_dev,
+    &ry_dev,
+    &ts_dev,
+    &tq_dev,
+    &xq_dev,
+    &xqb_dev,
+    NULL
+    };
+
+/* Binary loader
+
+   The binary loader handles absolute system images, that is, system
+   images linked /SYSTEM.  These are simply a byte stream, with no
+   origin or relocation information.
+
+   -o           for memory, specify origin
+*/
+
+t_stat sim_load (FILE *fileref, char *cptr, char *fnam, int flag)
+{
+t_stat r;
+int32 i;
+uint32 origin, limit;
+
+if (flag)                                               /* dump? */
+    return SCPE_ARG;
+origin = 0;                                             /* memory */
+limit = (uint32) cpu_unit.capac;
+if (sim_switches & SWMASK ('O')) {                      /* origin? */
+    origin = (int32) get_uint (cptr, 16, 0xFFFFFFFF, &r);
+    if (r != SCPE_OK)
+        return SCPE_ARG;
+    }
+while ((i = getc (fileref)) != EOF) {                   /* read byte stream */
+    if (origin >= limit)                                /* NXM? */
+        return SCPE_NXM;
+    else WriteB (origin, i);                            /* store byte */
+    origin = origin + 1;
+    }
+return SCPE_OK;
+}
+