mirror of
https://github.com/simh/simh.git
synced 2026-02-01 22:33:25 +00:00
Intel-Systems: Merge MDS, SDK, OEM simulators into Intel-MDS simulator
14 separate simulators now internal to a general purpose simulator
This commit is contained in:
84
Intel-Systems/common/cpu.c
Normal file
84
Intel-Systems/common/cpu.c
Normal file
@@ -0,0 +1,84 @@
|
||||
/* cpu.c: Intel MDS-800 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);
|
||||
|
||||
// globals
|
||||
|
||||
int onetime = 0;
|
||||
|
||||
/* external function prototypes */
|
||||
|
||||
extern t_stat monitor_reset (DEVICE *dptr);
|
||||
extern t_stat monitor_cfg(uint16 base, uint16 devnum, uint8 dummy);
|
||||
extern t_stat fp_reset (DEVICE *dptr);
|
||||
extern t_stat fp_cfg(uint16 base, uint16 devnum, uint8 dummy);
|
||||
extern t_stat i8080_reset (DEVICE *dptr); /* reset the 8080 emulator */
|
||||
extern uint8 EPROM_get_mbyte(uint16 addr, uint8 devnum);
|
||||
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), uint16, uint16, uint8);
|
||||
extern uint8 unreg_dev(uint16);
|
||||
extern t_stat i3214_cfg(uint16 base, uint16 devnum, uint8 dummy);
|
||||
|
||||
// external globals
|
||||
|
||||
extern uint8 monitor_boot;
|
||||
extern DEVICE i8080_dev;
|
||||
extern uint8 i3214_mask;
|
||||
extern uint8 EPROM_enable;
|
||||
extern uint8 i3214_cnt;
|
||||
extern uint8 i3214_ram[16];
|
||||
extern uint8 BUS_OVERRIDE;
|
||||
|
||||
t_stat SBC_config(void)
|
||||
{
|
||||
sim_printf("SBC_config: Configuring MDS-800 CPU Card\n Onboard Devices:\n");
|
||||
return SCPE_OK;
|
||||
}
|
||||
|
||||
/* SBC reset routine
|
||||
put here to cause a reset of the entire MDS-800 system */
|
||||
|
||||
t_stat SBC_reset (DEVICE *dptr)
|
||||
{
|
||||
sim_printf("SBC_reset: \n");
|
||||
EPROM_enable = 1;
|
||||
BUS_OVERRIDE = 0;
|
||||
return SCPE_OK;
|
||||
}
|
||||
|
||||
/* end of cpu.c */
|
||||
Reference in New Issue
Block a user