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PDP11, PDP1, TX-0: Added SDL based graphics support using sim_video.

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Both VT11 and VS60 properly autoconfigure on the PDP11.
PDP11 now runs Lunar Lander on all SDL supported platforms.
Reworked refresh logic to not require internal delays in the display library
This commit is contained in:
Mark Pizzolato
2016-01-29 10:16:30 -08:00
parent 51419a2e4b
commit b804964514
23 changed files with 839 additions and 220 deletions
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36
PDP1/pdp1_dpy.c
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@@ -35,6 +35,7 @@
#ifdef USE_DISPLAY
#include "pdp1_defs.h"
#include "display/display.h"
#include "sim_video.h"
extern int32 ios, cpls, iosta, PF;
extern int32 stop_inst;
@@ -55,12 +56,33 @@ t_stat dpy_reset (DEVICE *dptr);
UNIT dpy_unit = {
UDATA (&dpy_svc, UNIT_ATTABLE, 0), DPY_WAIT };
static t_bool dpy_stop_flag = FALSE;
static void dpy_quit_callback (void)
{
dpy_stop_flag = TRUE;
}
#define DEB_VMOU SIM_VID_DBG_MOUSE /* Video mouse */
#define DEB_VKEY SIM_VID_DBG_KEY /* Video key */
#define DEB_VCUR SIM_VID_DBG_CURSOR /* Video cursor */
#define DEB_VVID SIM_VID_DBG_VIDEO /* Video */
DEBTAB dpy_deb[] = {
{ "VMOU", DEB_VMOU, "Video Mouse" },
{ "VKEY", DEB_VKEY, "Video Key" },
{ "VCUR", DEB_VCUR, "Video Cursor" },
{ "VVID", DEB_VVID, "Video Video" },
{ NULL, 0 }
};
DEVICE dpy_dev = {
"DPY", &dpy_unit, NULL, NULL,
1, 10, 31, 1, 8, 8,
NULL, NULL, &dpy_reset,
NULL, NULL, NULL,
NULL, DEV_DIS | DEV_DISABLE };
NULL, DEV_DIS | DEV_DISABLE | DEV_DEBUG,
0, dpy_deb};
/* Display IOT routine */
@@ -115,8 +137,6 @@ return io;
/*
* Unit service routine
*
* Under X11 this includes polling for events, so it can't be
* call TOO infrequently...
*/
t_stat dpy_svc (UNIT *uptr)
{
@@ -124,8 +144,12 @@ t_stat dpy_svc (UNIT *uptr)
ios = 1; /* restart */
cpls = cpls & ~CPLS_DPY; } /* clr pulse pending */
display_age(dpy_unit.wait*CYCLE_TIME, 1);
sim_activate (&dpy_unit, dpy_unit.wait); /* requeue! */
display_age(dpy_unit.wait*CYCLE_TIME, 0);
sim_activate_after (&dpy_unit, dpy_unit.wait*CYCLE_TIME); /* requeue! */
if (dpy_stop_flag) {
dpy_stop_flag = FALSE; /* reset flag after we notice it */
return SCPE_STOP;
}
return SCPE_OK;
}
@@ -134,7 +158,9 @@ t_stat dpy_svc (UNIT *uptr)
t_stat dpy_reset (DEVICE *dptr)
{
if (!(dptr->flags & DEV_DIS)) {
display_init(DISPLAY_TYPE, PIX_SCALE, dptr);
display_reset();
vid_register_quit_callback (&dpy_quit_callback);
cpls = cpls & ~CPLS_DPY;
iosta = iosta & ~(IOS_PNT | IOS_SPC); /* clear flags */
}