67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/* vax_2681.h: 2681 DUART Simulator
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Copyright (c) 2011-2013, Matt Burke
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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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THE AUTHOR 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 the author 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 the author.
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11-Jun-2013 MB First version
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*/
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#include "sim_defs.h"
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typedef t_stat (*put_char_t)(uint8);
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typedef t_stat (*get_char_t)(uint8*);
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typedef void (*set_int_t)(uint32);
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struct uart2681_port_t {
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put_char_t put_char;
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get_char_t get_char;
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uint32 sts;
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uint32 cmd;
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uint32 mode[2];
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uint32 mode_ptr;
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uint32 buf;
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};
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struct uart2681_t {
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set_int_t set_int;
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set_int_t output_port;
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struct uart2681_port_t port[2];
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uint32 ists;
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uint32 imask;
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uint8 iport;
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uint8 ipcr;
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uint8 oport;
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uint8 opcr;
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uint8 acr;
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};
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typedef struct uart2681_t UART2681;
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void ua2681_wr (UART2681 *ctx, uint32 rg, uint32 data);
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uint32 ua2681_rd (UART2681 *ctx, uint32 rg);
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void ua2681_ip0_wr (UART2681 *ctx, uint32 set);
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void ua2681_ip1_wr (UART2681 *ctx, uint32 set);
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void ua2681_ip2_wr (UART2681 *ctx, uint32 set);
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void ua2681_ip3_wr (UART2681 *ctx, uint32 set);
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t_stat ua2681_svc (UART2681 *ctx);
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t_stat ua2681_reset (UART2681 *ctx);
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