ISYS8030: initial check in of new experimental simulator for the Intel System 80/30
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Bill Beech
Mark Pizzolato
parent
0b9411b9e6
commit
71e7de1d40
2 changed files with 161 additions and 0 deletions
80
Intel-Systems/isys8030/isys8030_sys.c
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80
Intel-Systems/isys8030/isys8030_sys.c
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/* sys-8030_sys.c: multibus system interface
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Copyright (c) 2010, William A. Beech
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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William A. Beech BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of William A. Beech shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from William A. Beech.
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?? ??? 10 - Original file.
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16 Dec 12 - Modified to use isbc_80_10.cfg file to set base and size.
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*/
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#include "system_defs.h"
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extern DEVICE i8080_dev;
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extern REG i8080_reg[];
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extern DEVICE i8259_dev;
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extern DEVICE i8251_dev;
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extern DEVICE i8255_dev;
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extern DEVICE EPROM_dev;
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extern DEVICE RAM_dev;
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extern DEVICE multibus_dev;
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extern DEVICE isbc208_dev;
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extern DEVICE isbc064_dev;
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/* SCP data structures
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sim_name simulator name string
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sim_PC pointer to saved PC register descriptor
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sim_emax number of words needed for examine
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sim_devices array of pointers to simulated devices
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sim_stop_messages array of pointers to stop messages
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*/
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char sim_name[] = "Intel System 80/20";
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REG *sim_PC = &i8080_reg[0];
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int32 sim_emax = 4;
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DEVICE *sim_devices[] = {
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&i8080_dev,
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&EPROM_dev,
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&RAM_dev,
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&i8259_dev,
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&i8251_dev,
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&i8255_dev,
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&multibus_dev,
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&isbc064_dev,
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&isbc208_dev,
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NULL
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};
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const char *sim_stop_messages[] = {
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"Unknown error",
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"Unknown I/O Instruction",
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"HALT instruction",
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"Breakpoint",
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"Invalid Opcode",
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"Invalid Memory",
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"XACK Error"
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};
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81
Intel-Systems/isys8030/system_defs.h
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Intel-Systems/isys8030/system_defs.h
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/* system_defs.h: Intel iSBC simulator definitions
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Copyright (c) 2010, William A. Beech
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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William A. Beech BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of William A. Beech shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from William A. Beech.
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?? ??? 10 - Original file.
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16 Dec 12 - Modified to use isbc_80_10.cfg file to set base and size.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include "isys8020_cfg.h" /* Intel System 80/20 configuration */
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#include "sim_defs.h" /* simulator defns */
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/* multibus interrupt definitions */
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#define INT_0 0x01
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#define INT_1 0x02
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#define INT_2 0x04
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#define INT_3 0x08
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#define INT_4 0x10
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#define INT_5 0x20
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#define INT_6 0x40
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#define INT_7 0x80
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/* CPU interrupts definitions */
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#define INT_R 0x200
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#define I75 0x40
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#define I65 0x20
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#define I55 0x10
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/* Memory */
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#define MAXMEMSIZE 0x10000 /* 8080 max memory size */
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#define MEMSIZE (i8080_unit.capac) /* 8080 actual memory size */
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#define ADDRMASK (MAXMEMSIZE - 1) /* 8080 address mask */
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#define MEM_ADDR_OK(x) (((uint32) (x)) < MEMSIZE)
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/* debug definitions */
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#define DEBUG_flow 0x0001
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#define DEBUG_read 0x0002
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#define DEBUG_write 0x0004
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#define DEBUG_level1 0x0008
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#define DEBUG_level2 0x0010
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#define DEBUG_reg 0x0020
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#define DEBUG_asm 0x0040
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#define DEBUG_xack 0x0080
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#define DEBUG_all 0xFFFF
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/* Simulator stop codes */
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#define STOP_RSRV 1 /* must be 1 */
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#define STOP_HALT 2 /* HALT */
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#define STOP_IBKPT 3 /* breakpoint */
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#define STOP_OPCODE 4 /* Invalid Opcode */
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#define STOP_IO 5 /* I/O error */
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#define STOP_MEM 6 /* Memory error */
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#define STOP_XACK 7 /* XACK error */
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