bad1e0e565
* IMLAC: Type consistency warnings. * Remove unintentional changes * Remove extra braces * CUR_AC -> AC (revert)
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/* imlac_crt.c: Imlac CRT display
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Copyright (c) 2020, Lars Brinkhoff
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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LARS BRINKHOFF BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of Lars Brinkhoff shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from Lars Brinkhoff.
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*/
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#include "imlac_defs.h"
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#include "sim_video.h"
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#include "display/display.h"
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/* Function declaration. */
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static t_stat crt_svc (UNIT *uptr);
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static t_stat crt_reset (DEVICE *dptr);
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static int crt_quit = FALSE;
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/* Debug */
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#define DBG 0001
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static UNIT crt_unit = {
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UDATA (&crt_svc, UNIT_IDLE, 0)
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};
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static DEBTAB crt_deb[] = {
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{ "DBG", DBG },
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{ "VVID", SIM_VID_DBG_VIDEO },
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{ NULL, 0 }
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};
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#ifdef USE_DISPLAY
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#define CRT_DIS 0
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#else
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#define CRT_DIS DEV_DIS
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#endif
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DEVICE crt_dev = {
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"CRT", &crt_unit, NULL, NULL,
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1, 8, 16, 1, 8, 16,
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NULL, NULL, &crt_reset,
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NULL, NULL, NULL,
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NULL, DEV_DISABLE | DEV_DEBUG | CRT_DIS, 0, crt_deb,
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NULL, NULL, NULL, NULL, NULL, NULL
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};
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static t_stat
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crt_svc(UNIT *uptr)
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{
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#ifdef USE_DISPLAY
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display_age (100, 0);
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sim_activate_after (uptr, 100);
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if (crt_quit) {
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crt_quit = FALSE;
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return SCPE_STOP;
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}
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#endif
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return SCPE_OK;
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}
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static void crt_quit_callback (void)
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{
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crt_quit = TRUE;
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}
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static t_stat
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crt_reset (DEVICE *dptr)
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{
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#ifdef USE_DISPLAY
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if (dptr->flags & DEV_DIS || (sim_switches & SWMASK('P')) != 0) {
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display_close (dptr);
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sim_cancel (&crt_unit);
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} else {
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display_reset ();
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display_init (DIS_IMLAC, 1, dptr);
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vid_register_quit_callback (&crt_quit_callback);
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sim_activate_abs (&crt_unit, 0);
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}
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#endif
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return SCPE_OK;
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}
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void
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crt_point (uint16 x, uint16 y)
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{
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sim_debug (DBG, &crt_dev, "Point %d,%d\n", x, y);
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#ifdef USE_DISPLAY
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if (crt_dev.flags & DEV_DIS)
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return;
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display_point ((x & 03777) >> 1, (y & 03777) >> 1, DISPLAY_INT_MAX, 0);
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#endif
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}
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void
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crt_line (uint16 x1, uint16 y1, uint16 x2, uint16 y2)
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{
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sim_debug (DBG, &crt_dev, "Line %d,%d - %d,%d\n", x1, y1, x2, y2);
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#ifdef USE_DISPLAY
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if (crt_dev.flags & DEV_DIS)
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return;
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display_line ((x1 & 03777) >> 1, (y1 & 03777) >> 1,
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(x2 & 03777) >> 1, (y2 & 03777) >> 1,
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DISPLAY_INT_MAX);
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#endif
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}
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/* Hook called when CRT goes idle. */
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void
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crt_idle (void)
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{
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}
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/* Display high voltage sync. */
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void
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crt_hvc (void)
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{
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}
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