64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* imlac_bel.c: MIT bell device.
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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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/* Debug */
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#define DBG 0001
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/* Function declaration. */
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static uint16 bel_iot (uint16, uint16);
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static IMDEV bel_imdev = {
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1,
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{ { 0071, bel_iot, { "BEL" } } }
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};
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static DEBTAB bel_deb[] = {
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{ "DBG", DBG },
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{ NULL, 0 }
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};
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DEVICE bel_dev = {
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"BEL", NULL, NULL, NULL,
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0, 8, 16, 1, 8, 16,
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NULL, NULL, NULL,
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NULL, NULL, NULL,
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&bel_imdev, DEV_DISABLE | DEV_DEBUG | DEV_DIS, 0, bel_deb,
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NULL, NULL, NULL, NULL, NULL, NULL
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};
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static uint16
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bel_iot (uint16 insn, uint16 AC)
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{
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sim_debug (DBG, &bel_dev, "IOT\n");
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if ((insn & 0771) == 0711) { /* BEL */
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sim_debug (DBG, &bel_dev, "Dong!\n");
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vid_beep ();
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}
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return AC;
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}
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