50 lines
2.2 KiB
C
50 lines
2.2 KiB
C
/* system_defs.h: Definitions for the SCELBI computer.
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Copyright (c) 2017, Hans-Ake Lund
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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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ROBERT M SUPNIK 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 Hans-Ake Lund 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 Hans-Ake Lund.
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04-Sep-17 HAL Working version of SCELBI simulator
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12-Sep-17 HAL Modules restructured in "Intel-Systems" directory
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*/
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#include "sim_defs.h" /* simulator defines */
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/* Memory */
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#define MAXMEMSIZE 16384 /* max memory size */
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#define MEMSIZE (cpu_unit.capac) /* actual memory size */
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#define ADDRMASK (MAXMEMSIZE - 1) /* address mask */
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#define MEM_ADDR_OK(x) (((uint32) (x)) < MEMSIZE)
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/* Simulator stop codes */
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#define STOP_RSRV 1 /* must be 1 */
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#define STOP_HALT 2 /* HALT */
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#define STOP_IBKPT 3 /* breakpoint */
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#define STOP_OPCODE 4
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/* I/O device entries */
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struct idev {
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int32 (*routine)(int32, int32);
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};
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