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Intel-Systems: Merge MDS, SDK, OEM simulators into Intel-MDS simulator

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14 separate simulators now internal to a general purpose simulator
This commit is contained in:
Bill Beech
2021-04-11 14:37:34 -07:00
parent b90b1eaf6f
commit 96c32fcb80
93 changed files with 2398 additions and 10619 deletions
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84
Intel-Systems/common/i8251.c
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@@ -26,7 +26,7 @@
MODIFICATIONS:
?? ??? 10 - Original file.
16 Dec 12 - Modified to use isbc_80_10.cfg file to set baseport and size.
16 Dec 12 - Modified to use isbc_80_10.cfg file to set i8251_baseport and size.
24 Apr 15 -- Modified to use simh_debug
NOTES:
@@ -111,8 +111,6 @@
#include "system_defs.h"
#if defined (I8251_NUM) && (I8251_NUM > 0)
#define UNIT_V_ANSI (UNIT_V_UF + 0) /* ANSI mode */
#define UNIT_ANSI (1 << UNIT_V_ANSI)
@@ -123,17 +121,30 @@
#define TXE 0x04
#define SD 0x40
#define i8251_NAME "Intel i8251 UART Chip"
/* external globals */
/* external function prototypes */
extern uint8 reg_dev(uint8 (*routine)(t_bool, uint8, uint8), uint8, uint8);
extern uint8 reg_dev(uint8 (*routine)(t_bool, uint8, uint8), uint16, uint16, uint8);
extern uint8 unreg_dev(uint16);
/* globals */
static const char* i8251_desc(DEVICE *dptr) {
return i8251_NAME;
}
int i8251_num = 0;
int i8251_baseport[4] = { -1, -1, -1, -1 }; //base port
uint8 i8251_intnum[4] = { 0, 0, 0, 0 }; //interrupt number
uint8 i8251_verb[4] = { 0, 0, 0, 0 }; //verbose flag
/* function prototypes */
t_stat i8251_cfg(uint8 base, uint8 devnum);
t_stat i8251_cfg(uint16 base, uint16 devnum, uint8 dummy);
t_stat i8251_clr(void);
t_stat i8251_show_param (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat i8251_svc (UNIT *uptr);
t_stat i8251_reset (DEVICE *dptr);
uint8 i8251s(t_bool io, uint8 data, uint8 devnum);
@@ -184,6 +195,8 @@ DEBTAB i8251_debug[] = {
MTAB i8251_mod[] = {
{ UNIT_ANSI, 0, "ANSI", "ANSI", NULL },
{ UNIT_ANSI, UNIT_ANSI, "TTY", "TTY", NULL },
{ MTAB_XTD | MTAB_VDV, 0, "PARAM", NULL, NULL, i8251_show_param, NULL,
"show configured parametes for i8251" },
{ 0 }
};
@@ -207,7 +220,7 @@ DEVICE i8251_dev = {
NULL, //attach
NULL, //detach
NULL, //ctxt
DEV_DISABLE, //flags
DEV_DEBUG+DEV_DISABLE+DEV_DIS, //flags
0, //dctrl
i8251_debug, //debflags
NULL, //memeory size change
@@ -215,21 +228,59 @@ DEVICE i8251_dev = {
NULL, //help routine
NULL, //attach help routine
NULL, //help context
NULL //device description
&i8251_desc //device description
};
// i8251 configuration
t_stat i8251_cfg(uint8 base, uint8 devnum)
t_stat i8251_cfg(uint16 base, uint16 devnum, uint8 dummy)
{
sim_printf(" i8251[%d]: at base port 0%02XH\n",
devnum, base & 0xFF);
reg_dev(i8251d, base, devnum);
reg_dev(i8251s, base + 1, devnum);
i8251_baseport[devnum] = base & 0xff;
sim_printf(" i8251%d: installed at base port 0%02XH\n",
devnum, i8251_baseport[devnum]);
reg_dev(i8251d, i8251_baseport[devnum], devnum, 0);
reg_dev(i8251s, i8251_baseport[devnum] + 1, devnum, 0);
i8251_num++; //next device
return SCPE_OK;
}
/* Service routines to handle simulator functions */
t_stat i8251_clr(void)
{
int i;
for (i=0; i<i8251_num; i++) {
unreg_dev(i8251_baseport[i]);
unreg_dev(i8251_baseport[i] + 1);
i8251_baseport[i] = -1;
i8251_intnum[i] = 0;
i8251_verb[i] = 0;
}
i8251_num = 0;
return SCPE_OK;
}
// show configuration parameters
t_stat i8251_show_param (FILE *st, UNIT *uptr, int32 val, CONST void *desc)
{
int i;
if (uptr == NULL)
return SCPE_ARG;
fprintf(st, "Device %s\n", ((i8251_dev.flags & DEV_DIS) == 0) ? "Enabled" : "Disabled");
for (i=0; i<i8251_num; i++) {
fprintf(st, "Unit %d at Base port ", i);
fprintf(st, "0%02XH, ", i8251_baseport[i]);
fprintf(st, "Interrupt # is ");
fprintf(st, "%d, ", i8251_intnum[i]);
fprintf(st, "Mode ");
fprintf(st, "%s", i8251_verb[i] ? "Verbose" : "Quiet");
if (i<i8251_num && i8251_num != 1) fprintf(st, "\n");
}
return SCPE_OK;
}
/* Service routines to handled simulator functions */
/* i8251_svc - actually gets char & places in buffer */
@@ -255,7 +306,8 @@ t_stat i8251_reset (DEVICE *dptr)
for (devnum=0; devnum<I8251_NUM; devnum++) {
i8251_reset_dev(devnum);
sim_activate (&i8251_unit[devnum], i8251_unit[devnum].wait); /* activate unit */
if (devnum == 0)
sim_activate (&i8251_unit[devnum], i8251_unit[devnum].wait); /* activate unit */
}
return SCPE_OK;
}
@@ -276,7 +328,7 @@ void i8251_reset_dev(uint8 devnum)
uint8 i8251s(t_bool io, uint8 data, uint8 devnum)
{
if (io == 0) { /* read status port */
if (io == 0) { /* read status port */
return i8251_unit[devnum].u3;
} else { /* write status port */
if (i8251_unit[devnum].u4) { /* if mode, set cmd */
@@ -302,6 +354,4 @@ uint8 i8251d(t_bool io, uint8 data, uint8 devnum)
return 0;
}
#endif /* I8251_NUM > 0 */
/* end of i8251.c */