PDP7: GRAPHICS2 cleanup, output side starting to work, but not input side?
This commit is contained in:
Phil Budne
Mark Pizzolato
parent
40a3628173
commit
770c37309e
3 changed files with 197 additions and 194 deletions
|
|
@ -295,20 +295,26 @@ typedef struct {
|
|||
#define DEV_DTA 075 /* dectape */
|
||||
|
||||
#ifdef GRAPHICS2
|
||||
/* Bell Telephone Labs GRAPHICS-2 Display System ("as large as the PDP-7")
|
||||
* Used by PDP-7 UNIX as a "Glass TTY"
|
||||
*/
|
||||
#define DEV_G2D1 005 /* Display Ctrl 1 */
|
||||
#define DEV_G2D2 006 /* (Display Ctrl 2) */
|
||||
#define DEV_G2LP 007 /* (Light Pen) */
|
||||
#define DEV_G2DS 010 /* (Display Status) */
|
||||
#define DEV_G2D3 014 /* (Display Ctrl 3) */
|
||||
#define DEV_G2D4 034 /* (Display Ctrl 4) */
|
||||
/*#define DEV_G2D 006 /* (Display Ctrl 2) */
|
||||
/*#define DEV_G2LP 007 /* (Light Pen) */
|
||||
/*#define DEV_G2DS 010 /* (Display Status) */
|
||||
/*#define DEV_G2D3 014 /* (Display Ctrl 3) */
|
||||
/*#define DEV_G2D4 034 /* (Display Ctrl 4) */
|
||||
|
||||
#define DEV_G2UNK 042 /* (???) */
|
||||
/*#define DEV_G2UNK 042 /* (???) */
|
||||
#define DEV_G2KB 043 /* Keyboard */
|
||||
#define DEV_G2PB 044 /* Button Box */
|
||||
#define DEV_G2IM 045 /* (PDP7 int. mask) */
|
||||
#define DEV_G2BB 044 /* Button Box */
|
||||
/*#define DEV_G2IM 045 /* (PDP7 int. mask) */
|
||||
|
||||
/* Bell Labs PDP-7/9 to 201A Data Phone Interface */
|
||||
#define DEV_BLGP 047 /* (Data Phone) */
|
||||
/* PDP-7/9 to 201A Data Phone Interface
|
||||
* (status bits retrieved with G2DS IOT)
|
||||
* used for UNIX to GCOS Remote Job Entry
|
||||
*/
|
||||
/*#define DEV_DP 047 /* (Data Phone) */
|
||||
#endif
|
||||
|
||||
/* Interrupt system
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* pdp18b_g2.c: PDP-7/9 Bell Labs "GRAPHIC-2" subsystem (as a TTY!!)
|
||||
/* pdp18b_g2tty.c: PDP-7/9 Bell Labs "GRAPHIC-2" subsystem (as a TTY!!)
|
||||
from 13-Sep-15 version of pdp18b_tt1.c
|
||||
|
||||
Copyright (c) 1993-2015, Robert M Supnik
|
||||
|
|
@ -25,7 +25,7 @@
|
|||
used in advertising or otherwise to promote the sale, use or other dealings
|
||||
in this Software without prior written authorization from Robert M Supnik.
|
||||
|
||||
Doug McIlroy had this to say about the BTL PDP-7 Ken Thompson
|
||||
Doug McIlroy had this to say about the Bell Labs PDP-7 Ken Thompson
|
||||
created UNIX on:
|
||||
|
||||
The pdp7 was cast off by the visual and acoustics research department.
|
||||
|
|
@ -35,35 +35,34 @@
|
|||
realized that the axis was perpendicular to the loading dock 4 floors
|
||||
below. A 90-degree turn solved the problem.
|
||||
|
||||
The graphics system consists of eleven PDP-7 "devices",
|
||||
The graphics system responds as ten PDP-7 "devices";
|
||||
UNIX only uses six, and only three of the six are simulated here
|
||||
(and *JUST* enough of those to figure out the text being displayed)!!
|
||||
(and *JUST* enough of those to figure out the text being displayed),
|
||||
as two SIMH DEVICES, G2OUT and G2IN:
|
||||
|
||||
G2D1 GRAPHICS-2 display output
|
||||
G2DS GRAPHICS-2 display status
|
||||
G2KB GRAPHICS-2 keyboard
|
||||
G2PB GRAPHICS-2 push buttons
|
||||
G2OUT:
|
||||
G2D1 005 GRAPHICS-2 display output
|
||||
G2IN:
|
||||
G2KB 043 GRAPHICS-2 keyboard
|
||||
G2BB 044 GRAPHICS-2 button box (lighted bush buttons)
|
||||
|
||||
17-Mar-16 PLB Cloned from 13-Sep-15 version of pdp18b_tt1.c
|
||||
*/
|
||||
|
||||
#include "pdp18b_defs.h"
|
||||
#ifdef GRAPHICS2
|
||||
#include "sim_sock.h"
|
||||
#include "sim_tmxr.h"
|
||||
#include <ctype.h>
|
||||
|
||||
uint32 g2do_buf = 0; /* output char */
|
||||
|
||||
uint8 g2kb_done = 0; /* keyboard flag */
|
||||
uint32 g2kb_buf = 0; /* keyboard buffer */
|
||||
|
||||
uint8 g2pb_done = 0; /* button flag */
|
||||
uint32 g2pb_bbuf = 0; /* button buffer */
|
||||
uint32 g2pb_lbuf = 0; /* button lights */
|
||||
uint8 g2bb_flag = 0; /* button flag */
|
||||
uint32 g2bb_bbuf = 0; /* button buffer */
|
||||
uint32 g2bb_lbuf = 0; /* button lights buffer */
|
||||
|
||||
uint32 g2_dpyaddr = 0; /* display address */
|
||||
int32 g2_dpycount = 0; /* character count */
|
||||
uint32 g2out_addr = 0; /* display address */
|
||||
int32 g2out_count = 0; /* character count (not a hw reg) */
|
||||
|
||||
/* terminal mux data */
|
||||
TMLN g2_ldsc = { 0 }; /* line descriptor */
|
||||
|
|
@ -82,51 +81,54 @@ extern int32 api_vec[API_HLVL][32];
|
|||
extern int32 tmxr_poll;
|
||||
extern int32 stop_inst;
|
||||
|
||||
int32 g2d1 (int32 dev, int32 pulse, int32 dat);
|
||||
int32 g2kb (int32 dev, int32 pulse, int32 dat);
|
||||
int32 g2pb (int32 dev, int32 pulse, int32 dat);
|
||||
|
||||
t_stat g2kb_svc (UNIT *uptr);
|
||||
/* SIMH G2IN DEVICE */
|
||||
t_bool g2kb_test_done ();
|
||||
void g2kb_set_done ();
|
||||
void g2kb_clr_done ();
|
||||
int32 g2kb_iot (int32 dev, int32 pulse, int32 dat); /* device 043 */
|
||||
|
||||
t_bool g2pb_test_done ();
|
||||
void g2pb_set_done ();
|
||||
void g2pb_clr_done ();
|
||||
t_bool g2bb_test_flag ();
|
||||
void g2bb_set_flag ();
|
||||
void g2bb_clr_flag ();
|
||||
int32 g2bb_iot (int32 dev, int32 pulse, int32 dat); /* device 044 */
|
||||
|
||||
t_stat g2d1_svc (UNIT *uptr);
|
||||
t_stat g2in_svc (UNIT *uptr);
|
||||
|
||||
/* SIMH G2OUT DEVICE */
|
||||
int32 g2d1_iot (int32 dev, int32 pulse, int32 dat); /* device 05 */
|
||||
|
||||
/* both G2IN/G2OUT: */
|
||||
t_stat g2_attach (UNIT *uptr, char *cptr);
|
||||
t_stat g2_detach (UNIT *uptr);
|
||||
t_stat g2_reset (DEVICE *dptr);
|
||||
|
||||
/* G2 keyboard data structures
|
||||
|
||||
g2kb_dev G2kb device descriptor
|
||||
g2kb_unit G2kb unit descriptor
|
||||
g2kb_reg G2kb register list
|
||||
g2kb_mod G2kb modifiers list
|
||||
/****************************************************************
|
||||
* SIMH G2IN (keyboard/buttons) DEVICE data structures
|
||||
*
|
||||
* g2in_dev G2IN device descriptor
|
||||
* g2in_unit G2IN unit descriptor
|
||||
* g2in_reg G2IN register list
|
||||
* g2in_mod G2IN modifiers list
|
||||
*/
|
||||
|
||||
/* push button device number is contiguous with keyboard */
|
||||
DIB g2kb_dib = { DEV_G2KB, 2, NULL, { &g2kb, &g2pb } };
|
||||
DIB g2in_dib = { DEV_G2KB, 2, NULL, { &g2kb_iot, &g2bb_iot } };
|
||||
|
||||
UNIT g2kb_unit = {
|
||||
UDATA (&g2kb_svc, UNIT_IDLE|UNIT_ATTABLE, 0), KBD_POLL_WAIT
|
||||
UNIT g2in_unit = {
|
||||
UDATA (&g2in_svc, UNIT_IDLE|UNIT_ATTABLE, 0), KBD_POLL_WAIT
|
||||
};
|
||||
|
||||
REG g2kb_reg[] = {
|
||||
{ ORDATA (BUF, g2kb_buf, 1) },
|
||||
{ ORDATA (DONE, g2kb_done, 1) },
|
||||
REG g2in_reg[] = {
|
||||
{ ORDATA (KBBUF, g2kb_buf, 1) },
|
||||
{ ORDATA (KBDONE, g2kb_done, 1) },
|
||||
{ FLDATA (INT, int_hwre[API_G2], INT_V_G2) },
|
||||
{ DRDATA (TIME, g2kb_unit.wait, 24), REG_NZ + PV_LEFT },
|
||||
{ ORDATA (BUTTONS, g2pb_bbuf, 1) },
|
||||
{ ORDATA (LITES, g2pb_lbuf, 1) },
|
||||
{ DRDATA (TIME, g2in_unit.wait, 24), REG_NZ + PV_LEFT },
|
||||
{ ORDATA (BBBBUF, g2bb_bbuf, 1) }, /* button box button buffer */
|
||||
{ ORDATA (BBFLAG, g2bb_flag, 1) }, /* button box IRQ */
|
||||
{ ORDATA (BBLBUF, g2bb_lbuf, 1) }, /* button box lights buffer */
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
MTAB g2kb_mod[] = {
|
||||
MTAB g2in_mod[] = {
|
||||
{ UNIT_ATT, UNIT_ATT, "summary", NULL,
|
||||
NULL, &tmxr_show_summ, (void *) &g2_desc },
|
||||
{ MTAB_XTD | MTAB_VDV, 1, NULL, "DISCONNECT",
|
||||
|
|
@ -135,43 +137,6 @@ MTAB g2kb_mod[] = {
|
|||
NULL, &tmxr_show_cstat, (void *) &g2_desc },
|
||||
{ MTAB_XTD | MTAB_VDV | MTAB_NMO, 0, "STATISTICS", NULL,
|
||||
NULL, &tmxr_show_cstat, (void *) &g2_desc },
|
||||
{ MTAB_XTD|MTAB_VDV, 0, "DEVNO", "DEVNO",
|
||||
NULL, &show_devno, NULL },
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
DEVICE g2kb_dev = {
|
||||
"G2KB", /* name */
|
||||
&g2kb_unit, /* units */
|
||||
g2kb_reg, g2kb_mod, /* registers, modifiers */
|
||||
1, /* numunits */
|
||||
10, 31, /* aradix, awidth */
|
||||
1, 8, 8, /* aincr, dradix, dwidth */
|
||||
&tmxr_ex, &tmxr_dep, &g2_reset, /* examine, deposit, reset */
|
||||
NULL, &g2_attach, &g2_detach, /* boot, attach, detach */
|
||||
&g2kb_dib, DEV_MUX | DEV_DISABLE /* ctxt, flags */
|
||||
};
|
||||
|
||||
/* G2 Display Output Device 1 data structures
|
||||
g2d1_dev g2d1 device descriptor
|
||||
g2d1_unit g2d1 unit descriptor
|
||||
g2d1_reg g2d1 register list
|
||||
*/
|
||||
|
||||
DIB g2d1_dib = { DEV_G2D1, 1, NULL, { &g2d1 } };
|
||||
|
||||
UNIT g2d1_unit = { UDATA (&g2d1_svc, 0, 0), SERIAL_OUT_WAIT };
|
||||
|
||||
REG g2d1_reg[] = {
|
||||
{ ORDATA (DPYADDR, g2_dpyaddr, 1) },
|
||||
{ FLDATA (INT, int_hwre[API_G2], INT_V_G2) },
|
||||
{ URDATA (TIME, g2d1_unit.wait, 10, 24, 0, 1, PV_LEFT) },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
MTAB g2d1_mod[] = {
|
||||
{ MTAB_XTD|MTAB_VUN, 0, NULL, "DISCONNECT",
|
||||
&tmxr_dscln, NULL, &g2_desc },
|
||||
{ MTAB_XTD|MTAB_VUN|MTAB_NC, 0, "LOG", "LOG",
|
||||
&tmxr_set_log, &tmxr_show_log, &g2_desc },
|
||||
{ MTAB_XTD|MTAB_VUN|MTAB_NC, 0, NULL, "NOLOG",
|
||||
|
|
@ -181,16 +146,58 @@ MTAB g2d1_mod[] = {
|
|||
{ 0 }
|
||||
};
|
||||
|
||||
DEVICE g2d1_dev = {
|
||||
"G2D1", /* name */
|
||||
&g2d1_unit, /* units */
|
||||
g2d1_reg, g2d1_mod, /* registers, modifiers */
|
||||
/* SIMH G2IN device descriptor (GRAPHICS-2 keyboard & button box) */
|
||||
DEVICE g2in_dev = {
|
||||
"G2IN", /* name */
|
||||
&g2in_unit, /* units */
|
||||
g2in_reg, g2in_mod, /* registers, modifiers */
|
||||
1, /* numunits */
|
||||
10, 31, /* aradix, awidth */
|
||||
1, 8, 8, /* aincr, dradix, dwidth */
|
||||
&tmxr_ex, &tmxr_dep, &g2_reset, /* examine, deposit, reset */
|
||||
NULL, &g2_attach, &g2_detach, /* boot, attach, detach */
|
||||
&g2in_dib, DEV_MUX | DEV_DISABLE /* ctxt, flags */
|
||||
};
|
||||
|
||||
/****************************************************************
|
||||
* SIMH G2OUT (display output) DEVICE data structures
|
||||
* Only needed to hold "iot" routine, since DIB's can't represent
|
||||
* devices with register sets as sparse as GRAPHICS-2
|
||||
*
|
||||
* g2out_dev G2OUT device descriptor
|
||||
* g2out_unit G2OUT unit descriptor
|
||||
* g2out_reg G2OUT register list
|
||||
* g2out_mod G2OUT modifiers list
|
||||
*/
|
||||
|
||||
DIB g2out_dib = { DEV_G2D1, 1, NULL, { &g2d1_iot } };
|
||||
|
||||
UNIT g2out_unit = { UDATA (NULL, 0, 0) };
|
||||
|
||||
REG g2out_reg[] = {
|
||||
{ ORDATA (DPYADDR, g2out_addr, 1) },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
MTAB g2out_mod[] = {
|
||||
{ MTAB_XTD|MTAB_VUN, 0, NULL, "DISCONNECT",
|
||||
&tmxr_dscln, NULL, &g2_desc },
|
||||
{ MTAB_XTD|MTAB_VDV, 0, "DEVNO", "DEVNO",
|
||||
NULL, &show_devno, NULL },
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
/* SIMH G2OUT device descriptor (simulates just one of many display IOTs!) */
|
||||
DEVICE g2out_dev = {
|
||||
"G2OUT", /* name */
|
||||
&g2out_unit, /* units */
|
||||
g2out_reg, g2out_mod, /* registers, modifiers */
|
||||
1, /* numunits */
|
||||
10, 31, /* aradix, awidth */
|
||||
1, 8, 8, /* aincr, dradix, dwidth */
|
||||
NULL, NULL, &g2_reset, /* examine, deposit, reset */
|
||||
NULL, NULL, NULL, /* boot, attach, detach */
|
||||
&g2d1_dib, DEV_DISABLE /* ctxt, flags */
|
||||
&g2out_dib, DEV_DISABLE /* ctxt, flags */
|
||||
};
|
||||
|
||||
/****************************************************************
|
||||
|
|
@ -198,8 +205,8 @@ DEVICE g2d1_dev = {
|
|||
*/
|
||||
|
||||
/* Keyboard input IOT routine */
|
||||
/* real device might have done bitwise decode?! */
|
||||
int32 g2kb (int32 dev, int32 pulse, int32 dat)
|
||||
/* real device could have done bitwise decode?! */
|
||||
int32 g2kb_iot (int32 dev, int32 pulse, int32 dat)
|
||||
{
|
||||
if (pulse == 001) { /* sck */
|
||||
if (g2kb_done) {
|
||||
|
|
@ -207,7 +214,6 @@ if (pulse == 001) { /* sck */
|
|||
}
|
||||
}
|
||||
else if (pulse == 002) { /* lck */
|
||||
g2kb_clr_done (); /* clear flag */
|
||||
dat = dat | g2kb_buf; /* return buffer */
|
||||
}
|
||||
else if (pulse == 004) { /* cck */
|
||||
|
|
@ -216,54 +222,54 @@ else if (pulse == 004) { /* cck */
|
|||
return dat;
|
||||
}
|
||||
|
||||
/* Push Button: IOT routine */
|
||||
int32 g2pb (int32 dev, int32 pulse, int32 dat)
|
||||
/* Button Box IOT routine */
|
||||
/* real device could have done bitwise decode? */
|
||||
int32 g2bb_iot (int32 dev, int32 pulse, int32 dat)
|
||||
{
|
||||
if (pulse & 020) { /* wbl */
|
||||
/* XXX if light for pb 7, press button 7!! */
|
||||
printf("G2: wbl %#o\r\n", dat);
|
||||
g2pb_lbuf = dat;
|
||||
}
|
||||
if (pulse & 001) { /* spb */
|
||||
if (g2pb_done) {
|
||||
if (pulse == 001) { /* "spb" -- skip on push button flag */
|
||||
if (g2bb_flag)
|
||||
dat = dat | IOT_SKP;
|
||||
}
|
||||
else if (pulse == 002) /* "lpb" -- load push buttons */
|
||||
dat = dat | g2bb_bbuf; /* return buttons */
|
||||
else if (pulse == 004) /* "cpb" -- clear push button flag */
|
||||
g2bb_clr_flag (); /* clear flag */
|
||||
else if (pulse == 020) { /* "wbl" -- write buttons lights */
|
||||
printf("G2: wbl %#o\r\n", dat); /* TEMP */
|
||||
g2bb_lbuf = dat;
|
||||
}
|
||||
if (pulse & 002) { /* lpb */
|
||||
g2pb_clr_done (); /* clear flag */
|
||||
dat = dat | g2pb_bbuf; /* return buttons */
|
||||
}
|
||||
if (pulse & 004) { /* cpb */
|
||||
g2pb_clr_done (); /* clear flag */
|
||||
}
|
||||
return dat;
|
||||
}
|
||||
|
||||
/* Unit service */
|
||||
|
||||
t_stat g2kb_svc (UNIT *uptr)
|
||||
/* Input side Unit service */
|
||||
t_stat g2in_svc (UNIT *uptr)
|
||||
{
|
||||
int32 ln, c, temp;
|
||||
|
||||
if ((uptr->flags & UNIT_ATT) == 0) /* attached? */
|
||||
return SCPE_OK;
|
||||
/* XXX if light for button 7 lit (screen full), press button 7!! */
|
||||
sim_clock_coschedule (uptr, tmxr_poll); /* continue poll */
|
||||
ln = tmxr_poll_conn (&g2_desc); /* look for connect */
|
||||
if (ln >= 0) /* got one? rcv enab */
|
||||
g2_ldsc.rcve = 1;
|
||||
tmxr_poll_rx (&g2_desc); /* poll for input */
|
||||
if (g2_ldsc.conn) { /* connected? */
|
||||
tmxr_poll_tx (&g2_desc); /* PLB: poll xmt */
|
||||
if ((temp = tmxr_getc_ln (&g2_ldsc))) { /* get char */
|
||||
if (temp & SCPE_BREAK) /* break? */
|
||||
c = 0;
|
||||
else c = sim_tt_inpcvt (temp, TT_GET_MODE(g2d1_unit.flags) );
|
||||
else if (c == '\r') /* translate CR but not ESC */
|
||||
c = '\n';
|
||||
g2kb_buf = c;
|
||||
g2kb_set_done ();
|
||||
}
|
||||
}
|
||||
} /* connected */
|
||||
else
|
||||
g2out_count = 0; /* not connected; next connections sees entire "screen" */
|
||||
return SCPE_OK;
|
||||
}
|
||||
|
||||
/****************************************************************/
|
||||
/* Interrupt handling routines */
|
||||
|
||||
t_bool g2kb_test_done ()
|
||||
|
|
@ -287,121 +293,113 @@ CLR_INT (G2);
|
|||
return;
|
||||
}
|
||||
|
||||
/****************/
|
||||
|
||||
t_bool g2pb_test_done ()
|
||||
t_bool g2bb_test_flag ()
|
||||
{
|
||||
if (g2pb_done)
|
||||
if (g2bb_flag)
|
||||
return TRUE;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
void g2pb_set_done ()
|
||||
void g2bb_set_flag ()
|
||||
{
|
||||
g2pb_done = 1;
|
||||
g2bb_flag = 1;
|
||||
SET_INT (G2);
|
||||
return;
|
||||
}
|
||||
|
||||
void g2pb_clr_done ()
|
||||
void g2bb_clr_flag ()
|
||||
{
|
||||
g2pb_done = 0;
|
||||
g2bb_flag = 0;
|
||||
CLR_INT (G2);
|
||||
return;
|
||||
}
|
||||
|
||||
/****************************************************************/
|
||||
/* Display Output: IOT routine */
|
||||
/****************************************************************
|
||||
* SIMH G2OUT (Display Output) DEVICE routines
|
||||
*/
|
||||
|
||||
/* helper to put 7-bit display character:
|
||||
* characters are only consumed if TELNET user connected & output ready/enabled
|
||||
*/
|
||||
static void g2out_putchar(char c)
|
||||
{
|
||||
if (g2_ldsc.conn && g2_ldsc.xmte) { /* connected, tx enabled? */
|
||||
tmxr_putc_ln (&g2_ldsc, c);
|
||||
g2out_count++; /* consumed */
|
||||
}
|
||||
}
|
||||
|
||||
/* Device 05 IOT routine */
|
||||
int32 g2d1_iot (int32 dev, int32 pulse, int32 dat)
|
||||
{
|
||||
/*
|
||||
* UNIX text display command lists always end with a TRAP
|
||||
* and display output is restarted periodicly in timer PI service code
|
||||
*/
|
||||
|
||||
static void g2_putchar(char c)
|
||||
{
|
||||
if (g2_ldsc.conn && g2_ldsc.xmte) { /* connected, tx enabled? */
|
||||
tmxr_putc_ln (&g2_ldsc, c);
|
||||
if (c == '\n')
|
||||
tmxr_putc_ln (&g2_ldsc, '\r');
|
||||
g2_dpycount++; /* only consume if connected+enabled! */
|
||||
}
|
||||
}
|
||||
|
||||
int32 g2d1 (int32 dev, int32 pulse, int32 dat)
|
||||
{
|
||||
if (g2_ldsc.conn && g2_ldsc.xmte && pulse == 047) { /* beg */
|
||||
int32 n = g2_dpycount, i;
|
||||
g2_dpyaddr = dat & 017777;
|
||||
for (i = g2_dpyaddr; i < 020000; i++) {
|
||||
if (g2_ldsc.conn && g2_ldsc.xmte && pulse == 047) { /* conn&ready, "beg" */
|
||||
int32 n = g2out_count, i;
|
||||
g2out_addr = dat & 017777;
|
||||
for (i = g2out_addr; i < 020000; i++) {
|
||||
uint32 w = M[i] & 0777777;
|
||||
if (w & 0400000) /* TRAP? */
|
||||
int offset = i - g2out_addr;
|
||||
if (w & 0400000) /* TRAP (stops display engine)? */
|
||||
break;
|
||||
/* check first three words for expected setup commands */
|
||||
int o = i - g2_dpyaddr;
|
||||
if (o < sizeof(g2_expect)/sizeof(g2_expect[0])) {
|
||||
if (w != g2_expect[o]) {
|
||||
printf("g2: unexpected command at %#o: %#o expected %#o\r\n",
|
||||
i, w, g2_expect[o]);
|
||||
if (offset < sizeof(g2_expect)/sizeof(g2_expect[0])) {
|
||||
if (w != g2_expect[offset]) {
|
||||
/* TEMP: */
|
||||
printf("G2: unexpected command at %#o: %#o expected %#o\r\n",
|
||||
i, w, g2_expect[offset]);
|
||||
break;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if (w & 0300000) { /* not characters? */
|
||||
printf("g2: unexpected command at %#o: %#o\r\n", i, w);
|
||||
printf("G2: unexpected command at %#o: %#o\r\n", i, w); /* TEMP */
|
||||
break;
|
||||
}
|
||||
if (--n < 0) /* new? */
|
||||
g2_putchar( (w>>7) & 0177 );
|
||||
g2out_putchar( (w>>7) & 0177 );
|
||||
|
||||
if ((w & 0177) && --n < 0) /* char2 & new? */
|
||||
g2_putchar( w & 0177 );
|
||||
g2out_putchar( w & 0177 );
|
||||
|
||||
} /* for loop */
|
||||
fflush(stdout); /* TEMP */
|
||||
if (n > 0)
|
||||
g2_dpycount = 0; /* didn't see as much as last time? */
|
||||
g2out_count = 0; /* didn't see as much as last time? */
|
||||
} /* beg IOT */
|
||||
return dat;
|
||||
}
|
||||
|
||||
/* Unit service */
|
||||
|
||||
t_stat g2d1_svc (UNIT *uptr)
|
||||
{
|
||||
if (g2_ldsc.conn) { /* connected? */
|
||||
tmxr_poll_tx (&g2_desc); /* poll xmt */
|
||||
if (!g2_ldsc.xmte) { /* tx not enabled? */
|
||||
sim_activate (uptr, g2d1_unit.wait); /* wait */
|
||||
}
|
||||
}
|
||||
return SCPE_OK;
|
||||
}
|
||||
|
||||
/****************************************************************
|
||||
* subsystem common routines (used by both G2IN and G2OUT SIMH DEVICEs)
|
||||
*/
|
||||
|
||||
/* Reset routine */
|
||||
t_stat g2_reset (DEVICE *dptr)
|
||||
{
|
||||
if (dptr->flags & DEV_DIS) { /* sync enables */
|
||||
g2kb_dev.flags = g2kb_dev.flags | DEV_DIS;
|
||||
g2d1_dev.flags = g2d1_dev.flags | DEV_DIS;
|
||||
g2in_dev.flags = g2in_dev.flags | DEV_DIS;
|
||||
g2out_dev.flags = g2out_dev.flags | DEV_DIS;
|
||||
}
|
||||
else {
|
||||
g2kb_dev.flags = g2kb_dev.flags & ~DEV_DIS;
|
||||
g2d1_dev.flags = g2d1_dev.flags & ~DEV_DIS;
|
||||
g2in_dev.flags = g2in_dev.flags & ~DEV_DIS;
|
||||
g2out_dev.flags = g2out_dev.flags & ~DEV_DIS;
|
||||
}
|
||||
if (g2kb_unit.flags & UNIT_ATT) /* if attached, */
|
||||
sim_activate (&g2kb_unit, tmxr_poll); /* activate */
|
||||
else sim_cancel (&g2kb_unit); /* else stop */
|
||||
if (g2in_unit.flags & UNIT_ATT) /* if attached, */
|
||||
sim_activate (&g2in_unit, tmxr_poll); /* activate */
|
||||
else sim_cancel (&g2in_unit); /* else stop */
|
||||
|
||||
g2kb_buf = 0; /* clear buf */
|
||||
g2pb_bbuf = 0; /* clear buttons */
|
||||
g2pb_lbuf = 0; /* clear lites */
|
||||
g2_dpyaddr = 0;
|
||||
g2_dpycount = 0;
|
||||
g2kb_clr_done (); /* clear done */
|
||||
g2pb_clr_done ();
|
||||
sim_cancel (&g2d1_unit); /* stop poll */
|
||||
|
||||
g2bb_bbuf = 0; /* clear buttons */
|
||||
g2bb_lbuf = 0; /* clear lights */
|
||||
g2bb_clr_flag ();
|
||||
|
||||
g2out_addr = 0;
|
||||
g2out_count = 0;
|
||||
sim_cancel (&g2out_unit); /* stop poll */
|
||||
return SCPE_OK;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -103,8 +103,7 @@ extern UNIT tti1_unit, tto1_unit;
|
|||
extern DEVICE dr15_dev;
|
||||
#endif
|
||||
#if defined (GRAPHICS2)
|
||||
extern DEVICE g2kb_dev;
|
||||
extern DEVICE g2d1_dev;
|
||||
extern DEVICE g2out_dev, g2in_dev;
|
||||
#endif
|
||||
extern UNIT cpu_unit;
|
||||
extern REG cpu_reg[];
|
||||
|
|
@ -184,7 +183,7 @@ DEVICE *sim_devices[] = {
|
|||
&dr15_dev,
|
||||
#endif
|
||||
#if defined (GRAPHICS2)
|
||||
&g2kb_dev, &g2d1_dev,
|
||||
&g2out_dev, &g2in_dev,
|
||||
#endif
|
||||
NULL
|
||||
};
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue