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PDP11: NG, Knight display.

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This commit is contained in:
Lars Brinkhoff
2019-02-07 08:16:31 +01:00
parent 25ab8de55d
commit 5aa8454ab5
11 changed files with 745 additions and 3 deletions
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9
PDP11/pdp11_ch.c
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@@ -442,6 +442,15 @@ t_stat ch_detach (UNIT *uptr)
t_stat ch_reset (DEVICE *dptr)
{
DEVICE *ng_dptr = find_dev ("NG");
if ((ng_dptr != NULL) &&
!(ng_dptr->flags & DEV_DIS) &&
!(dptr->flags & DEV_DIS)) {
dptr->flags |= DEV_DIS;
return sim_messagef (SCPE_ALATT, "CH device in conflict with NG.\n");
}
ch_clear ();
return auto_config (dptr->name, (dptr->flags & DEV_DIS)? 0 : 1); /* auto config */
}

3
PDP11/pdp11_defs.h
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@@ -632,6 +632,7 @@ typedef struct pdp_dib DIB;
#define INT_V_KMCB 24
#define INT_V_UCB 25
#define INT_V_CH 26
#define INT_V_NG 27
#define INT_V_PIR4 0 /* BR4 */
#define INT_V_TTI 1
@@ -718,6 +719,7 @@ typedef struct pdp_dib DIB;
#define INT_TDRX (1u << INT_V_TDRX)
#define INT_TDTX (1u << INT_V_TDTX)
#define INT_CH (1u << INT_V_CH)
#define INT_NG (1u << INT_V_NG)
#define INT_INTERNAL7 (INT_PIR7)
#define INT_INTERNAL6 (INT_PIR6 | INT_CLK)
@@ -759,6 +761,7 @@ typedef struct pdp_dib DIB;
#define IPL_DUPRX 5
#define IPL_DUPTX 5
#define IPL_UCA 5
#define IPL_NG 5
#define IPL_PTR 4
#define IPL_PTP 4
#define IPL_TTI 4

2
PDP11/pdp11_io_lib.c
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@@ -779,6 +779,8 @@ AUTO_CON auto_tab[] = {/*c #v am vm fxa fxv */
{ { NULL }, 1, 1, 64, 4 }, /* QZA */
{ { "CH" }, 1, 1, 0, 0,
{04140}, {0270} }, /* CH11 - CHAOS Net - fx CSR, fx VEC */
{ { "NG" }, 1, 1, 0, 0,
{04040}, {0270} }, /* NG - vector display */
{ { NULL }, -1 } /* end table */
};

296
PDP11/pdp11_ng.c Normal file
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@@ -0,0 +1,296 @@
#ifdef USE_DISPLAY
/* pdp11_ng.c: NG, Knight vector display
Copyright (c) 2018, Lars Brinkhoff
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 AUTHORS 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 names of the authors 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 authors.
*/
#include "pdp11_defs.h"
#include "display/display.h"
#include "display/ng.h"
#include "sim_video.h"
/* Run a NG cycle every this many PDP-11 "cycle" times. */
#define NG_DELAY 1
/* Memory cycle time. */
#define MEMORY_CYCLE 1
#define CYCLE_US (MEMORY_CYCLE*(NG_DELAY*2+1))
t_stat ng_rd(int32 *data, int32 PA, int32 access);
t_stat ng_wr(int32 data, int32 PA, int32 access);
t_stat ng_svc(UNIT *uptr);
t_stat ng_reset(DEVICE *dptr);
t_stat ng_set_type(UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat ng_show_type(FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat ng_set_scale(UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat ng_show_scale(FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat ng_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr);
const char *ng_description (DEVICE *dptr);
#define IOLN_NG 4
DIB ng_dib = {
IOBA_AUTO, IOLN_NG, &ng_rd, &ng_wr,
4, IVCL(NG), VEC_AUTO, {NULL}, IOLN_NG
};
UNIT ng_unit = {
UDATA (&ng_svc, 0, 0), NG_DELAY
};
REG ng_reg[] = {
{ DRDATAD (CYCLE, ng_unit.wait, 24, "NG cycle"), REG_NZ + PV_LEFT },
{ GRDATAD(TYPE, ng_type, 16, 16, 0, "Hardware type"), REG_FIT},
{ GRDATAD(SCALE, ng_scale, 16, 16, 0, "Hardware type"), REG_FIT},
{ NULL }
};
MTAB ng_mod[] = {
{ MTAB_XTD|MTAB_VDV|MTAB_VALR, 0, "TYPE", "TYPE={DAZZLE|LOGO}",
&ng_set_type, &ng_show_type, NULL, "Hardware Type" },
{ MTAB_XTD|MTAB_VDV|MTAB_VALR, 0, "SCALE", "SCALE={1|2|4|8}",
&ng_set_scale, &ng_show_scale, NULL, "Pixel Scale Factor" },
{ MTAB_XTD|MTAB_VDV|MTAB_VALR, 020, "ADDRESS", "ADDRESS",
&set_addr, &show_addr, NULL, "Bus address" },
{ MTAB_XTD|MTAB_VDV|MTAB_VALR, 0, "VECTOR", "VECTOR",
&set_vec, &show_vec, NULL, "Interrupt vector" },
{ MTAB_XTD|MTAB_VDV, 0, NULL, "AUTOCONFIGURE",
&set_addr_flt, NULL, NULL, "Enable autoconfiguration of address & vector" },
{ 0 } };
static t_bool ng_stop_flag = FALSE;
static t_bool ng_inited = FALSE;
static void ng_quit_callback (void)
{
ng_stop_flag = TRUE;
}
/* Debug detail levels */
#define DEB_TRC 0001
#define DEB_INT 0002
DEBTAB ng_deb[] = {
{ "TRC", DEB_TRC, "trace" },
{ "INT", DEB_INT, "interrupts" },
{ NULL, 0 }
};
DEVICE ng_dev = {
"NG", &ng_unit, ng_reg, ng_mod,
1, 8, 16, 1, 8, 16,
NULL, NULL, &ng_reset,
NULL, NULL, NULL,
&ng_dib, DEV_DIS | DEV_DISABLE | DEV_UBUS | DEV_DEBUG,
0, ng_deb, NULL, NULL, NULL, &ng_help, NULL,
&ng_description
};
const char *ng_regnam[] = {
"CSR",
"REL",
};
t_stat
ng_rd(int32 *data, int32 PA, int32 access)
{
t_stat stat = SCPE_OK;
switch (PA & 002) {
case 000: *data = ng_get_csr(); break;
case 002: *data = ng_get_reloc(); break;
default: stat = SCPE_NXM;
}
return stat;
}
t_stat
ng_wr(int32 data, int32 PA, int32 access)
{
switch (PA & 002) {
case 000: ng_set_csr(data); return SCPE_OK;
case 002: ng_set_reloc(data); return SCPE_OK;
}
return SCPE_NXM;
}
t_stat
ng_svc(UNIT *uptr)
{
if (ng_cycle(uptr->wait, 0))
sim_activate_after (uptr, uptr->wait);
if (ng_stop_flag) {
ng_stop_flag = FALSE;
return SCPE_STOP;
}
return SCPE_OK;
}
t_stat
ng_reset(DEVICE *dptr)
{
DEVICE *dptr2;
t_stat r;
if (dptr->flags & DEV_DIS) {
sim_cancel (dptr->units);
return auto_config ("NG", (dptr->flags & DEV_DIS) ? 0 : 1);;
}
dptr2 = find_dev ("VT");
if ((dptr2 != NULL) && !(dptr2->flags & DEV_DIS)) {
dptr->flags |= DEV_DIS;
return sim_messagef (SCPE_NOFNC, "NG and VT device can't both be enabled\n");
}
dptr2 = find_dev ("CH");
if ((dptr2 != NULL) && !(dptr2->flags & DEV_DIS)) {
dptr->flags |= DEV_DIS;
return sim_messagef (SCPE_ALATT, "NG device in conflict with CH.\n");
}
r = auto_config ("NG", (dptr->flags & DEV_DIS) ? 0 : 1);;
if (r != SCPE_OK) {
dptr->flags |= DEV_DIS;
return r;
}
if (!ng_inited && !ng_init(dptr, DEB_TRC))
return sim_messagef (SCPE_ALATT, "Display already in use.\n");
ng_inited = TRUE;
CLR_INT (NG);
ng_unit.wait = 100;
sim_activate (dptr->units, 1);
set_cmd (0, "DZ DISABLED"); /* Conflict with NG. */
set_cmd (0, "HK DISABLED"); /* Conflict with RF. */
vid_register_quit_callback (&ng_quit_callback);
return SCPE_OK;
}
t_stat
ng_set_type(UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
//if ((uptr->flags & DEV_DIS) == 0)
//return SCPE_ALATT;
if (strcasecmp (cptr, "dazzle") == 0)
ng_type = TYPE_DAZZLE;
else if (strcasecmp (cptr, "logo") == 0)
ng_type = TYPE_LOGO;
else
return SCPE_ARG;
return SCPE_OK;
}
t_stat
ng_show_type(FILE *st, UNIT *uptr, int32 val, CONST void *desc)
{
if (ng_type == TYPE_DAZZLE)
fprintf(st, "type=DAZZLE");
else if (ng_type == TYPE_LOGO)
fprintf(st, "type=LOGO");
else
fprintf(st, "type=unknown");
return SCPE_OK;
}
t_stat
ng_set_scale(UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
t_stat r;
t_value v;
if ((uptr->flags & UNIT_DIS) == 0)
return SCPE_ALATT;
if (cptr == NULL)
return SCPE_ARG;
v = get_uint(cptr, 10, 8, &r);
if (r != SCPE_OK)
return r;
if (v != 1 && v != 2 && v != 4 && v != 8)
return SCPE_ARG;
ng_scale = v;
return SCPE_OK;
}
t_stat
ng_show_scale(FILE *st, UNIT *uptr, int32 val, CONST void *desc)
{
fprintf(st, "scale=%d", (int)ng_scale);
return SCPE_OK;
}
void
ng_nxm_intr(void)
{
sim_debug (DEB_INT, &ng_dev, "NXM interrup\n");
SET_INT (NG);
}
int
ng_store(uint32 addr, uint16 x)
{
uint16 word = x;
if (Map_WriteW(addr, 2, &word) == 0)
return 0;
return 1;
}
int
ng_fetch(uint32 addr, uint16 *wp)
{
if (Map_ReadW(addr, 2, wp) == 0)
return 0;
*wp = 0;
return 1;
}
const char *ng_description (DEVICE *dptr)
{
return "Vector display controller for MIT Logo PDP-11/45";
}
t_stat ng_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
/* The '*'s in the next line represent the standard text width of a help line */
/****************************************************************************/
fprintf(st, "%s\n\n", ng_description (dptr));
fprintf(st, "The NG is a Unibus device which can control up to eight XY displays.\n");
fprintf(st, "This simulation only supports one, which is also what the available\n");
fprintf(st, "software uses. Configurable options are TYPE and SCALE.\n\n");
fprintf(st, "To select the hardware type compatible with Dazzle Dart, type\n\n");
fprintf(st, " sim> SET NG TYPE=DAZZLE\n\n");
fprintf(st, "To select the hardware type compatible with Logo, type\n\n");
fprintf(st, " sim> SET NG TYPE=LOGO\n\n");
fprintf(st, "Set SCALE to one of 1, 2, 3, or 4 to select full size, half size,\n");
fprintf(st, "quarter size, or eighth size.\n\n");
return SCPE_OK;
}
#else /* USE_DISPLAY not defined */
char pdp11_ng_unused; /* sometimes empty object modules cause problems */
#endif /* USE_DISPLAY not defined */

2
PDP11/pdp11_sys.c
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@@ -118,6 +118,7 @@ extern DEVICE kmc_dev;
extern DEVICE uca_dev, ucb_dev;
extern DEVICE rom_dev;
extern DEVICE ch_dev;
extern DEVICE ng_dev;
extern REG cpu_reg[];
extern int32 saved_PC;
@@ -197,6 +198,7 @@ DEVICE *sim_devices[] = {
&ke_dev,
&rom_dev,
&ch_dev,
&ng_dev,
#else
&clk_dev,
&tti_dev,

8
PDP11/pdp11_vt.c
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@@ -323,6 +323,14 @@ vt_svc(UNIT *uptr)
t_stat
vt_reset(DEVICE *dptr)
{
DEVICE *ng_dptr;
ng_dptr = find_dev ("NG");
if (!(dptr->flags & DEV_DIS) &&
(ng_dptr != NULL) && !(ng_dptr->flags & DEV_DIS)) {
dptr->flags |= DEV_DIS;
return sim_messagef (SCPE_NOFNC, "VT and NG device can't both be enabled\n");
}
if (!(dptr->flags & DEV_DIS))
vt11_reset(dptr, DEB_VT11);
vid_register_quit_callback (&vt_quit_callback);