diff --git a/TX-0/tx0_dpy.c b/TX-0/tx0_dpy.c index 09d193b2..40e92819 100644 --- a/TX-0/tx0_dpy.c +++ b/TX-0/tx0_dpy.c @@ -1,139 +1,139 @@ -/************************************************************************* - * * - * $Id: tx0_dpy.c 2060 2009-02-24 06:49:07Z hharte $ * - * * - * Copyright (c) 2009-2012, Howard M. Harte * - * Copyright (c) 2004, Philip L. Budne * - * Copyright (c) 1993-2003, Robert M. Supnik * - * * - * 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 HOWARD M. HARTE 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 Howard M. Harte shall * - * not be used in advertising or otherwise to promote the sale, use or * - * other dealings in this Software without prior written authorization * - * of Howard M. Harte. * - * * - * Module Description: * - * TX-0 display simulator * - * * - * Environment: * - * User mode only * - * * - *************************************************************************/ - -#ifdef USE_DISPLAY -#include "tx0_defs.h" -#include "display/display.h" - -extern int32 ios, iosta, PF; -extern int32 stop_inst; -extern int32 PEN_HIT; - -t_stat dpy_svc (UNIT *uptr); -t_stat dpy_reset (DEVICE *dptr); - -/* DPY data structures - dpy_dev DPY device descriptor - dpy_unit DPY unit - dpy_reg DPY register list -*/ - -#define CYCLE_TIME 5 /* 5us memory cycle */ -#define DPY_WAIT (50/CYCLE_TIME) /* 50us */ - -UNIT dpy_unit = { - UDATA (&dpy_svc, UNIT_ATTABLE, 0), DPY_WAIT }; - -DEVICE dpy_dev = { - "DPY", &dpy_unit, NULL, NULL, - 1, 10, 31, 1, 8, 8, - NULL, NULL, &dpy_reset, - NULL, NULL, NULL, - NULL, DEV_DISABLE }; - -/* Display Routine */ -int32 dpy (int32 ac) -{ - int32 pen_hit; - int32 x, y; - int level; - - if (dpy_dev.flags & DEV_DIS) /* disabled? */ - return SCPE_UDIS; - - x = (ac >> 9) & 0777; /* X = high nine bits of AC */ - y = (ac & 0777); /* Y = low nine bits of AC */ - - /* - * convert one's complement -255..+255 center origin - * to 0..511 (lower left origin) - */ - if (x & 0400) - x ^= 0400; - else - x += 255; - if (y & 0400) - y ^= 0400; - else - y += 255; - - level = DISPLAY_INT_MAX; /* Maximum intensity */ - - if (display_point(x,y,level,0)) { - /* here with light pen hit */ - PF = PF | 010; /* set prog flag 3 */ - pen_hit = 1; - - } else { - pen_hit = 0; - } - - sim_activate (&dpy_unit, dpy_unit.wait); /* activate */ - - return pen_hit; -} - -/* - * Unit service routine - * - * Under X11 this includes polling for events, so it can't be - * call TOO infrequently... - */ -t_stat dpy_svc (UNIT *uptr) -{ - display_age(dpy_unit.wait*CYCLE_TIME, 1); - sim_activate (&dpy_unit, dpy_unit.wait); /* requeue! */ - return SCPE_OK; -} - -/* Reset routine */ - -t_stat dpy_reset (DEVICE *dptr) -{ - display_init(DIS_TX0, RES_FULL); - display_reset(); - iosta = iosta & ~(IOS_PNT | IOS_SPC); /* clear flags */ - sim_cancel (&dpy_unit); /* deactivate unit */ - return SCPE_OK; -} - -#else /* USE_DISPLAY not defined */ -char tx0_dpy_unused; /* sometimes empty object modules cause problems */ -#endif /* USE_DISPLAY not defined */ +/************************************************************************* + * * + * $Id: tx0_dpy.c 2060 2009-02-24 06:49:07Z hharte $ * + * * + * Copyright (c) 2009-2012, Howard M. Harte * + * Copyright (c) 2004, Philip L. Budne * + * Copyright (c) 1993-2003, Robert M. Supnik * + * * + * 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 HOWARD M. HARTE 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 Howard M. Harte shall * + * not be used in advertising or otherwise to promote the sale, use or * + * other dealings in this Software without prior written authorization * + * of Howard M. Harte. * + * * + * Module Description: * + * TX-0 display simulator * + * * + * Environment: * + * User mode only * + * * + *************************************************************************/ + +#ifdef USE_DISPLAY +#include "tx0_defs.h" +#include "display/display.h" + +extern int32 ios, iosta, PF; +extern int32 stop_inst; +extern int32 PEN_HIT; + +t_stat dpy_svc (UNIT *uptr); +t_stat dpy_reset (DEVICE *dptr); + +/* DPY data structures + dpy_dev DPY device descriptor + dpy_unit DPY unit + dpy_reg DPY register list +*/ + +#define CYCLE_TIME 5 /* 5us memory cycle */ +#define DPY_WAIT (50/CYCLE_TIME) /* 50us */ + +UNIT dpy_unit = { + UDATA (&dpy_svc, UNIT_ATTABLE, 0), DPY_WAIT }; + +DEVICE dpy_dev = { + "DPY", &dpy_unit, NULL, NULL, + 1, 10, 31, 1, 8, 8, + NULL, NULL, &dpy_reset, + NULL, NULL, NULL, + NULL, DEV_DISABLE }; + +/* Display Routine */ +int32 dpy (int32 ac) +{ + int32 pen_hit; + int32 x, y; + int level; + + if (dpy_dev.flags & DEV_DIS) /* disabled? */ + return SCPE_UDIS; + + x = (ac >> 9) & 0777; /* X = high nine bits of AC */ + y = (ac & 0777); /* Y = low nine bits of AC */ + + /* + * convert one's complement -255..+255 center origin + * to 0..511 (lower left origin) + */ + if (x & 0400) + x ^= 0400; + else + x += 255; + if (y & 0400) + y ^= 0400; + else + y += 255; + + level = DISPLAY_INT_MAX; /* Maximum intensity */ + + if (display_point(x,y,level,0)) { + /* here with light pen hit */ + PF = PF | 010; /* set prog flag 3 */ + pen_hit = 1; + + } else { + pen_hit = 0; + } + + sim_activate (&dpy_unit, dpy_unit.wait); /* activate */ + + return pen_hit; +} + +/* + * Unit service routine + * + * Under X11 this includes polling for events, so it can't be + * call TOO infrequently... + */ +t_stat dpy_svc (UNIT *uptr) +{ + display_age(dpy_unit.wait*CYCLE_TIME, 1); + sim_activate (&dpy_unit, dpy_unit.wait); /* requeue! */ + return SCPE_OK; +} + +/* Reset routine */ + +t_stat dpy_reset (DEVICE *dptr) +{ + display_init(DIS_TX0, RES_FULL); + display_reset(); + iosta = iosta & ~(IOS_PNT | IOS_SPC); /* clear flags */ + sim_cancel (&dpy_unit); /* deactivate unit */ + return SCPE_OK; +} + +#else /* USE_DISPLAY not defined */ +char tx0_dpy_unused; /* sometimes empty object modules cause problems */ +#endif /* USE_DISPLAY not defined */