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Intel-Systems: Update and cleanup components

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This commit is contained in:
Bill Beech
2019-10-16 13:41:27 -07:00
committed by Mark Pizzolato
parent fac5bc96fb
commit 6af0958209
68 changed files with 10662 additions and 3758 deletions
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142
Intel-Systems/imds-810/cpu.c Normal file
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/* cpu.c: Intel MDS-810 CPU 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 SBC_config(void);
t_stat SBC_reset (DEVICE *dptr);
uint8 get_mbyte(uint16 addr);
uint16 get_mword(uint16 addr);
void put_mbyte(uint16 addr, uint8 val);
void put_mword(uint16 addr, uint16 val);
// globals
int onetime = 0;
/* external function prototypes */
extern t_stat monitor_reset (void);
extern t_stat fp_reset (void);
extern t_stat i3214_reset (DEVICE *dptr);
extern t_stat i8080_reset (DEVICE *dptr); /* reset the 8080 emulator */
extern uint8 EPROM_get_mbyte(uint16 addr);
extern uint8 EPROM1_get_mbyte(uint16 addr);
extern uint8 multibus_get_mbyte(uint16 addr);
extern void multibus_put_mbyte(uint16 addr, uint8 val);
extern uint8 reg_dev(uint8 (*routine)(t_bool, uint8, uint8), uint8, uint8);
extern t_stat i3214_cfg(uint8 base, uint8 devnum);
extern t_stat fp_cfg(void);
extern t_stat monitor_cfg(void);
extern t_stat multibus_cfg(void);
// external globals
extern uint32 PCX; /* program counter */
extern DEVICE i3214_dev;
extern DEVICE i8080_dev;
extern uint8 EPROM_enable;
extern uint8 BUS_OVERRIDE;
t_stat SBC_config(void)
{
sim_printf("Configuring MDS-800 CPU Module\n Onboard Devices:\n");
i3214_cfg(I3214_BASE, 0);
fp_cfg();
monitor_cfg();
return SCPE_OK;
}
/* SBC reset routine
put here to cause a reset of the entire MDS-800 system */
t_stat SBC_reset (DEVICE *dptr)
{
if (onetime == 0) {
SBC_config();
multibus_cfg();
onetime++;
}
EPROM_enable = 1;
BUS_OVERRIDE = 0;
i8080_reset(&i8080_dev);
i3214_reset(&i3214_dev);
fp_reset();
monitor_reset();
return SCPE_OK;
}
// memory operations
/* get a byte from memory - handle RAM, ROM and Multibus memory */
uint8 get_mbyte(uint16 addr)
{
uint8 val;
if (EPROM_enable && (addr >= ROM0_BASE && addr <= ROM0_BASE + ROM0_SIZE))
val = EPROM_get_mbyte(addr);
else if (ROM1_SIZE && addr >= ROM1_BASE && addr <= ROM1_BASE + ROM1_SIZE)
val = EPROM1_get_mbyte(addr);
else val = multibus_get_mbyte(addr);
val &= 0xFF;
return(val);
}
/* get a word from memory */
uint16 get_mword(uint16 addr)
{
uint16 val;
val = get_mbyte(addr);
val |= (get_mbyte(addr+1) << 8);
return val;
}
/* put a byte to memory - handle RAM, ROM and Multibus memory */
void put_mbyte(uint16 addr, uint8 val)
{
multibus_put_mbyte(addr, val);
}
/* put a word to memory */
void put_mword(uint16 addr, uint16 val)
{
put_mbyte(addr, val & 0xff);
put_mbyte(addr+1, val >> 8);
}
/* end of cpu.c */

68
Intel-Systems/imds-810/front_panel.c Normal file
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/* front_panel.c: Intel MDS-800 Front Panel 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 fp_reset (void);
t_stat fp_cfg(void);
/* external function prototypes */
extern uint8 EPROM_get_mbyte(uint16 addr);
extern t_stat EPROM_reset(DEVICE *dptr);
extern t_stat EPROM_cfg(uint16 base, uint16 size);
// external globals
extern UNIT EPROM_unit; //1702 EPROM
extern uint32 PCX; /* program counter */
// fp configuration
t_stat fp_cfg(void)
{
sim_printf("Configuring MDS-800 Front Panel Module\n Onboard Devices:\n");
EPROM_cfg(ROM0_BASE, ROM0_SIZE);
return SCPE_OK;
}
/* CPU reset routine
put here to cause a reset of the entire IPC system */
t_stat fp_reset (void)
{
return SCPE_OK;
}
/* end of front_panel.c */

84
Intel-Systems/imds-810/imds-810_sys.c Normal file
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/* mds-810_sys.c: multibus system interface
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.
5 October 2017 - Original file.
*/
#include "system_defs.h"
extern DEVICE i8080_dev;
extern REG i8080_reg[];
extern DEVICE i8251_dev;
extern DEVICE EPROM_dev;
extern DEVICE i3214_dev;
extern DEVICE EPROM1_dev;
extern DEVICE RAM_dev;
extern DEVICE multibus_dev;
extern DEVICE isbc201_dev;
extern DEVICE isbc202_dev;
extern DEVICE zx200a_dev;
extern DEVICE isbc064_dev;
/* SCP data structures
sim_name simulator name string
sim_PC pointer to saved PC register descriptor
sim_emax number of words needed for examine
sim_devices array of pointers to simulated devices
sim_stop_messages array of pointers to stop messages
*/
char sim_name[] = "Intel MDS-810";
REG *sim_PC = &i8080_reg[0];
int32 sim_emax = 4;
DEVICE *sim_devices[] = {
&i8080_dev,
&EPROM_dev,
&EPROM1_dev,
&i8251_dev,
&i3214_dev,
&multibus_dev,
&isbc064_dev,
&isbc201_dev,
&isbc202_dev,
&zx200a_dev,
NULL
};
const char *sim_stop_messages[] = {
"Unknown error",
"Unknown I/O Instruction",
"HALT instruction",
"Breakpoint",
"Invalid Opcode",
"Invalid Memory",
"XACK Error"
};
/* end of mds-800_sys.c */

83
Intel-Systems/imds-810/monitor.c Normal file
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/* 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 */

140
Intel-Systems/imds-810/system_defs.h Normal file
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/* system_defs.h: Intel iSBC simulator definitions
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.
5 October 2017 - Original file.
*/
#include <stdio.h>
#include <ctype.h>
#include "sim_defs.h" /* simulator defns */
#define SET_XACK(VAL) (xack = VAL)
/* set the base I/O address for the 8251 */
#define I8251_BASE_0 0xF4 //TTY
#define I8251_BASE_1 0xF6 //CRT
#define I8251_NUM 2
// set the base I/O address for the 3214
#define I3214_BASE 0xFC
#define I3214_NUM 1
/* set the base and size for the EPROM0 on the Monitor Module */
#define ROM0_BASE 0x0000
#define ROM0_SIZE 0x00FF
#define ROM0_DISABLE 1
/* set the base and size for the EPROM1 on the Front Panel Module */
#define ROM1_BASE 0xF800
#define ROM1_SIZE 0x07FF
#define ROM1_DISABLE 1
//board definitions for the multibus
/* set the base I/O address for the iSBC 201 */
#define SBC201_BASE 0x88
#define SBC201_INT INT_3
#define SBC201_NUM 1
/* set the base I/O address for the iSBC 202 */
#define SBC202_BASE 0x78
#define SBC202_INT INT_3
#define SBC202_NUM 1
/* set the base I/O address for the iSBC 206 */
#define SBC206_BASE 0x68
#define SBC206_INT INT_1
#define SBC206_NUM 0
/* set the base I/O address for the iSBC 208 */
#define SBC208_BASE 0x40
#define SBC208_INT INT_2
#define SBC208_NUM 0
/* set the base for the ZX-200a disk controller */
#define ZX200A_BASE 0x78
#define ZX200A_INT INT_2
#define ZX200A_NUM 0
/* set the base and size for the iSBC 064 */
#define SBC064_BASE 0x0000
#define SBC064_SIZE 0xFFFF
#define SBC064_NUM 1
/* set the base and size for the iSBC 464 ROM */
#define SBC464_BASE 0xA800
#define SBC464_SIZE 0x47FF
#define SBC464_NUM 0
/* set INTR for CPU */
#define INTR INT_3
/* multibus interrupt definitions */
#define INT_0 0x01
#define INT_1 0x02
#define INT_2 0x04
#define INT_3 0x08
#define INT_4 0x10
#define INT_5 0x20
#define INT_6 0x40
#define INT_7 0x80
/* CPU interrupt definitions */
#define INT_R 0x200
#define I75 0x40
#define I65 0x20
#define I55 0x10
/* Memory */
#define MAXMEMSIZE 0x10000 /* 8080 max memory size */
#define MEMSIZE (i8080_unit.capac) /* 8080 actual memory size */
#define ADDRMASK (MAXMEMSIZE - 1) /* 8080 address mask */
#define MEM_ADDR_OK(x) (((uint32) (x)) < MEMSIZE)
/* debug definitions */
#define DEBUG_flow 0x0001
#define DEBUG_read 0x0002
#define DEBUG_write 0x0004
#define DEBUG_level1 0x0008
#define DEBUG_level2 0x0010
#define DEBUG_reg 0x0020
#define DEBUG_asm 0x0040
#define DEBUG_xack 0x0080
#define DEBUG_all 0xFFFF
/* Simulator stop codes */
#define STOP_RSRV 1 /* must be 1 */
#define STOP_HALT 2 /* HALT */
#define STOP_IBKPT 3 /* breakpoint */
#define STOP_OPCODE 4 /* Invalid Opcode */
#define STOP_IO 5 /* I/O error */
#define STOP_MEM 6 /* Memory error */
#define STOP_XACK 7 /* XACK error */
/* end of system_defs.h */