59aa4a73b1
The makefile now works for Linux and most Unix's. Howevr, for Solaris and MacOS, you must first export the OSTYPE environment variable: > export OSTYPE > make Otherwise, you will get build errors. 1. New Features 1.1 3.8-0 1.1.1 SCP and Libraries - BREAK, NOBREAK, and SHOW BREAK with no argument will set, clear, and show (respectively) a breakpoint at the current PC. 1.2 GRI - Added support for the GRI-99 processor. 1.3 HP2100 - Added support for the BACI terminal interface. - Added support for RTE OS/VMA/EMA, SIGNAL, VIS firmware extensions. 1.4 Nova - Added support for 64KW memory (implemented in third-party CPU's). 1.5 PDP-11 - Added support for DC11, RC11, KE11A, KG11A. - Added modem control support for DL11. - Added ASCII character support for all 8b devices. 2. Bugs Fixed Please see the revision history on http://simh.trailing-edge.com or in the source module sim_rev.h.
110 lines
5.9 KiB
C
110 lines
5.9 KiB
C
/*************************************************************************
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* *
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* $Id: sim_imd.h 1904 2008-05-21 06:57:57Z hharte $ *
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* *
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* Copyright (c) 2007-2008 Howard M. Harte. *
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* http://www.hartetec.com *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining *
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* a copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to *
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* the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be *
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* included in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND *
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* NONINFRINGEMENT. IN NO EVENT SHALL HOWARD M. HARTE BE LIABLE FOR ANY *
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, *
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE *
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name of Howard M. Harte shall *
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* not be used in advertising or otherwise to promote the sale, use or *
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* other dealings in this Software without prior written authorization *
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* Howard M. Harte. *
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* *
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* SIMH Interface based on altairz80_hdsk.c, by Peter Schorn. *
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* *
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* Module Description: *
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* ImageDisk Disk Image File access module for SIMH, definitions. *
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* see : *
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* for details on the ImageDisk format and other utilities. *
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* *
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* Environment: *
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* User mode only *
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* *
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*************************************************************************/
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typedef struct {
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unsigned char mode;
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unsigned char cyl;
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unsigned char head;
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unsigned char nsects;
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unsigned char sectsize;
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} IMD_HEADER;
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#define IMD_FLAG_SECT_HEAD_MAP (1 << 6)
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#define IMD_FLAG_SECT_CYL_MAP (1 << 7)
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#define SECT_RECORD_UNAVAILABLE 0 /* Data could not be read from the original media */
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#define SECT_RECORD_NORM 1 /* Normal Data */
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#define SECT_RECORD_NORM_COMP 2 /* Compressed Normal Data */
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#define SECT_RECORD_NORM_DAM 3 /* Normal Data with deleted address mark */
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#define SECT_RECORD_NORM_DAM_COMP 4 /* Compressed Normal Data with deleted address mark */
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#define SECT_RECORD_NORM_ERR 5 /* Normal Data */
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#define SECT_RECORD_NORM_COMP_ERR 6 /* Compressed Normal Data */
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#define SECT_RECORD_NORM_DAM_ERR 7 /* Normal Data with deleted address mark */
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#define SECT_RECORD_NORM_DAM_COMP_ERR 8 /* Compressed Normal Data with deleted address mark */
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#define MAX_CYL 80
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#define MAX_HEAD 2
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#define MAX_SPT 26
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#define FD_FLAG_WRITELOCK 1
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#define IMD_DISK_IO_ERROR_GENERAL (1 << 0) /* General data error. */
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#define IMD_DISK_IO_ERROR_CRC (1 << 1) /* Data read/written, but got a CRC error. */
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#define IMD_DISK_IO_DELETED_ADDR_MARK (1 << 2) /* Sector had a deleted address mark */
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#define IMD_DISK_IO_COMPRESSED (1 << 3) /* Sector is compressed in the IMD file (Read Only) */
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#define IMD_MODE_500K_FM 0
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#define IMD_MODE_300K_FM 1
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#define IMD_MODE_250K_FM 2
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#define IMD_MODE_500K_MFM 3
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#define IMD_MODE_300K_MFM 4
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#define IMD_MODE_250K_MFM 5
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#define IMD_MODE_FM(x) (x <= IMD_MODE_250K_FM)
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#define IMD_MODE_MFM(x) (x >= IMD_MODE_500K_MFM)
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typedef struct {
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unsigned char mode;
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unsigned char nsects;
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unsigned int sectsize;
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unsigned int sectorOffsetMap[MAX_SPT];
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unsigned char start_sector;
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} TRACK_INFO;
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typedef struct {
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FILE *file;
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unsigned int ntracks;
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unsigned char nsides;
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unsigned char flags;
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TRACK_INFO track[MAX_CYL][MAX_HEAD];
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} DISK_INFO;
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extern DISK_INFO *diskOpen(FILE *fileref, int isVerbose); /*char *filename); */
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extern unsigned int diskClose(DISK_INFO *myDisk);
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extern unsigned int imdGetSides(DISK_INFO *myDisk);
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extern unsigned int imdIsWriteLocked(DISK_INFO *myDisk);
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extern int sectSeek(DISK_INFO *myDisk, unsigned int Cyl, unsigned int Head);
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extern int sectRead(DISK_INFO *myDisk, unsigned int Cyl, unsigned int Head, unsigned int Sector, unsigned char *buf, unsigned int buflen, unsigned int *flags, unsigned int *readlen);
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extern int sectWrite(DISK_INFO *myDisk, unsigned int Cyl, unsigned int Head, unsigned int Sector, unsigned char *buf, unsigned int buflen, unsigned int *flags, unsigned int *writelen);
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