decbe5b76b
Project standard source code has tabs converted to spaces and CRLF line endings. Other text files have CRLF line endings.
93 lines
5.1 KiB
C
93 lines
5.1 KiB
C
/*************************************************************************
|
|
* *
|
|
* Copyright (c) 2009-2022 Howard M. Harte. *
|
|
* https://github.com/hharte *
|
|
* *
|
|
* 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 NON- *
|
|
* INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 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 names of The Authors shall *
|
|
* not be used in advertising or otherwise to promote the sale, use or *
|
|
* other dealings in this Software without prior written authorization *
|
|
* from the Authors. *
|
|
* *
|
|
* Module Description: *
|
|
* cpu TX-0 Central Processor Definitions. *
|
|
* *
|
|
*************************************************************************/
|
|
|
|
#ifndef TX0_DEFS_H_
|
|
#define TX0_DEFS_H_ 0
|
|
|
|
#include "sim_defs.h"
|
|
|
|
/* Rename of global PC variable to avoid namespace conflicts on some platforms */
|
|
|
|
#define PC PC_Global
|
|
|
|
/* Simulator stop codes */
|
|
#define STOP_RSRV 1 /* must be 1 */
|
|
#define STOP_HALT 2 /* HALT */
|
|
#define STOP_IBKPT 3 /* breakpoint */
|
|
|
|
/* Memory */
|
|
#define ASIZE 16 /* address bits */
|
|
#define MAXMEMSIZE (1u << ASIZE) /* max mem size */
|
|
#define AMASK (MAXMEMSIZE - 1) /* address mask */
|
|
#define MEMSIZE (cpu_unit.capac) /* actual memory size */
|
|
#define MEM_ADDR_OK(x) (((uint32) (x)) < MEMSIZE)
|
|
|
|
/* Architectural constants */
|
|
#define SIGN 0400000 /* sign */
|
|
#define DMASK 0777777 /* data mask */
|
|
#define YMASK 0017777 /* "Y" Mask for address calculation (13 bits) */
|
|
|
|
/* I/O status flags */
|
|
#define IOS_V_LPN 17 /* light pen */
|
|
#define IOS_V_PETR 16 /* paper tape reader */
|
|
#define IOS_V_TTO 15 /* typewriter out */
|
|
#define IOS_V_TTI 14 /* typewriter in */
|
|
#define IOS_V_PTP 13 /* paper tape punch */
|
|
#define IOS_V_DRM 12 /* drum */
|
|
#define IOS_V_SQB 11 /* sequence break */
|
|
#define IOS_V_PNT 3 /* print done */
|
|
#define IOS_V_SPC 2 /* space done */
|
|
#define IOS_V_DCS 1 /* data comm sys */
|
|
#define IOS_V_DRP 0 /* parallel drum busy */
|
|
|
|
#define IOS_LPN (1 << IOS_V_LPN)
|
|
#define IOS_PETR (1 << IOS_V_PETR)
|
|
#define IOS_TTO (1 << IOS_V_TTO)
|
|
#define IOS_TTI (1 << IOS_V_TTI)
|
|
#define IOS_PTP (1 << IOS_V_PTP)
|
|
#define IOS_DRM (1 << IOS_V_DRM)
|
|
#define IOS_SQB (1 << IOS_V_SQB)
|
|
#define IOS_PNT (1 << IOS_V_PNT)
|
|
#define IOS_SPC (1 << IOS_V_SPC)
|
|
#define IOS_DCS (1 << IOS_V_DCS)
|
|
#define IOS_DRP (1 << IOS_V_DRP)
|
|
|
|
#define UNIT_V_MODE (UNIT_V_UF + 0)
|
|
#define UNIT_MODE (3 << UNIT_V_MODE)
|
|
#define UNIT_MODE_READIN (3 << UNIT_V_MODE)
|
|
#define UNIT_MODE_TEST (1 << UNIT_V_MODE)
|
|
|
|
|
|
#endif /* TX0_DEFS_H_ */
|