26aa6de663
RESTRICTION: The PDP-15 FPP is only partially debugged. Do NOT enable this feature for normal operations. WARNING: The core simulator files (scp.c, sim_*.c) have been reorganized. Unzip V3.2-0 to an empty directory before attempting to compile the source. IMPORTANT: If you are compiling for UNIX, please read the notes for Ethernet very carefully. You may need to download a new version of the pcap library, or make changes to the makefile, to get Ethernet support to work. 1. New Features in 3.2-0 1.1 SCP and libraries - Added SHOW <device> RADIX command. - Added SHOW <device> MODIFIERS command. - Added SHOW <device> NAMES command. - Added SET/SHOW <device> DEBUG command. - Added sim_vm_parse_addr and sim_vm_fprint_addr optional interfaces. - Added REG_VMAD flag. - Split SCP into separate libraries for easier modification. - Added more room to the device and unit flag fields. - Changed terminal multiplexor library to support unlimited. number of async lines. 1.2 All DECtapes - Added STOP_EOR flag to enable end-of-reel error stop - Added device debug support. 1.3 Nova and Eclipse - Added QTY and ALM multiplexors (Bruce Ray). 1.4 LGP-30 - Added LGP-30/LGP-21 simulator. 1.5 PDP-11 - Added format, address increment inhibit, transfer overrun detection to RK. - Added device debug support to HK, RP, TM, TQ, TS. - Added DEUNA/DELUA (XU) support (Dave Hittner). - Add DZ per-line logging. 1.6 18b PDP's - Added support for 1-4 (PDP-9)/1-16 (PDP-15) additional terminals. 1.7 PDP-10 - Added DEUNA/DELUA (XU) support (Dave Hittner). 1.8 VAX - Added extended memory to 512MB (Mark Pizzolato). - Added RXV21 support. 2. Bugs Fixed in 3.2-0 2.1 SCP - Fixed double logging of SHOW BREAK (found by Mark Pizzolato). - Fixed implementation of REG_VMIO. 2.2 Nova and Eclipse - Fixed device enable/disable support (found by Bruce Ray). 2.3 PDP-1 - Fixed bug in LOAD (found by Mark Crispin). 2.4 PDP-10 - Fixed bug in floating point unpack. - Fixed bug in FIXR (found by Phil Stone, fixed by Chris Smith). 2.6 PDP-11 - Fixed bug in RQ interrupt control (found by Tom Evans). 2.6 PDP-18B - Fixed bug in PDP-15 XVM g_mode implementation. - Fixed bug in PDP-15 indexed address calculation. - Fixed bug in PDP-15 autoindexed address calculation. - Fixed bugs in FPP-15 instruction decode. - Fixed clock response to CAF. - Fixed bug in hardware read-in mode bootstrap. - Fixed PDP-15 XVM instruction decoding errors. 2.7 VAX - Fixed PC read fault in EXTxV. - Fixed PC write fault in INSV.
494 lines
16 KiB
C
494 lines
16 KiB
C
/* pdp18b_defs.h: 18b PDP simulator definitions
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Copyright (c) 1993-2004, Robert M Supnik
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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 Robert M Supnik shall not
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be 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 Robert M Supnik.
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14-Jan-04 RMS Revised IO device call interface
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18-Oct-03 RMS Added DECtape off reel message
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18-Jul-03 RMS Added FP15 support
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Added XVM support
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Added EAE option for PDP-4
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25-Apr-03 RMS Revised for extended file support
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04-Feb-03 RMS Added RB09, LP09 support
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22-Nov-02 RMS Added PDP-4 drum support
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05-Oct-02 RMS Added DIB structure
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25-Jul-02 RMS Added PDP-4 DECtape support
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10-Feb-02 RMS Added PDP-7 DECtape support
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25-Nov-01 RMS Revised interrupt structure
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27-May-01 RMS Added second Teletype support
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21-Jan-01 RMS Added DECtape support
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14-Apr-99 RMS Changed t_addr to unsigned
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02-Jan-96 RMS Added fixed head and moving head disks
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31-Dec-95 RMS Added memory management
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19-Mar-95 RMS Added dynamic memory size
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The author gratefully acknowledges the help of Craig St. Clair and
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Deb Tevonian in locating archival material about the 18b PDP's, and of
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Al Kossow and Max Burnet in making documentation and software available.
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*/
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#ifndef _PDP18B_DEFS_H_
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#define _PDP18B_DEFS_H_ 0
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#include "sim_defs.h" /* simulator defns */
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/* Models: only one should be defined
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model memory CPU options I/O options
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PDP4 8K Type 18 EAE Type 65 KSR-28 Teletype (Baudot)
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??Type 16 mem extension integral paper tape reader
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Type 75 paper tape punch
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integral real time clock
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Type 62 line printer (Hollerith)
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Type 550/555 DECtape
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Type 24 serial drum
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PDP7 32K Type 177 EAE Type 649 KSR-33 Teletype
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Type 148 mem extension Type 444 paper tape reader
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Type 75 paper tape punch
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integral real time clock
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Type 647B line printer (sixbit)
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Type 550/555 DECtape
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Type 24 serial drum
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PDP9 32K KE09A EAE KSR-33 Teletype
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KF09A auto pri intr PC09A paper tape reader and punch
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KG09B mem extension integral real time clock
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KP09A power detection Type 647D/E line printer (sixbit)
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KX09A mem protection LP09 line printer (ASCII)
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RF09/RS09 fixed head disk
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RB09 fixed head disk
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TC59 magnetic tape
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TC02/TU55 DECtape
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LT09A additional Teletypes
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PDP15 128K KE15 EAE KSR-35 Teletype
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KA15 auto pri intr PC15 paper tape reader and punch
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KF15 power detection KW15 real time clock
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KM15 mem protection LP09 line printer
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KT15 mem relocation LP15 line printer
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FP15 floating point RP15 disk pack
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XVM option RF15/RF09 fixed head disk
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TC59D magnetic tape
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TC15/TU56 DECtape
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LT15/LT19 additional Teletypes
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??Indicates not implemented. The PDP-4 manual refers to a memory
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??extension control; there is no documentation on it.
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*/
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#if !defined (PDP4) && !defined (PDP7) && !defined (PDP9) && !defined (PDP15)
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#define PDP15 0 /* default to PDP-15 */
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#endif
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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_XCT 4 /* nested XCT's */
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#define STOP_API 5 /* invalid API int */
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#define STOP_NONSTD 6 /* non-std dev num */
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#define STOP_MME 7 /* mem mgt error */
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#define STOP_FPDIS 8 /* fp inst, fpp disabled */
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#define STOP_DTOFF 9 /* DECtape off reel */
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/* Peripheral configuration */
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#if defined (PDP4)
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#define ADDRSIZE 13
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#define KSR28 0 /* Baudot terminal */
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#define TYPE62 0 /* Hollerith printer */
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#define TYPE550 0 /* DECtape */
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#define DRM 0 /* drum */
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#elif defined (PDP7)
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#define ADDRSIZE 15
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#define TYPE647 0 /* sixbit printer */
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#define TYPE550 0 /* DECtape */
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#define DRM 0 /* drum */
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#elif defined (PDP9)
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#define ADDRSIZE 15
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#define TYPE647 0 /* sixbit printer */
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#define LP09 0 /* ASCII printer */
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#define RB 0 /* fixed head disk */
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#define RF 0 /* fixed head disk */
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#define MTA 0 /* magtape */
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#define TC02 0 /* DECtape */
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#define TTY1 4 /* second Teletype(s) */
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#define BRMASK 0076000 /* bounds mask */
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#elif defined (PDP15)
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#define ADDRSIZE 17
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#define LP09 0 /* ASCII printer */
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#define LP15 0 /* DMA printer */
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#define RF 0 /* fixed head disk */
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#define RP 0 /* disk pack */
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#define MTA 0 /* magtape */
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#define TC02 0 /* DECtape */
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#define TTY1 16 /* second Teletype(s) */
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#define BRMASK 0377400 /* bounds mask */
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#define BRMASK_XVM 0777400 /* bounds mask, XVM */
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#endif
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/* Memory */
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#define AMASK ((1 << ADDRSIZE) - 1) /* address mask */
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#define IAMASK 077777 /* ind address mask */
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#define BLKMASK (AMASK & (~IAMASK)) /* block mask */
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#define MAXMEMSIZE (1 << ADDRSIZE) /* max memory size */
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#define MEMSIZE (cpu_unit.capac) /* actual memory size */
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#define MEM_ADDR_OK(x) (((uint32) (x)) < MEMSIZE)
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/* Instructions */
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#define I_V_OP 14 /* opcode */
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#define I_M_OP 017
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#define I_V_IND 13 /* indirect */
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#define I_V_IDX 12 /* index */
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#define I_IND (1 << I_V_IND)
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#define I_IDX (1 << I_V_IDX)
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#define B_DAMASK 017777 /* bank mode address */
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#define B_EPCMASK (AMASK & ~B_DAMASK)
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#define P_DAMASK 007777 /* page mode address */
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#define P_EPCMASK (AMASK & ~P_DAMASK)
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/* Memory cycles */
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#define FE 0
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#define DF 1
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#define RD 2
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#define WR 3
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/* Memory status codes */
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#define MM_OK 0
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#define MM_ERR 1
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/* Memory management relocation checks (PDP-15 KT15 and XVM only) */
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#define REL_C -1 /* console */
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#define REL_R 0 /* read */
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#define REL_W 1 /* write */
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/* Architectural constants */
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#define DMASK 0777777 /* data mask */
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#define LINK (DMASK + 1) /* link */
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#define LACMASK (LINK | DMASK) /* link + data */
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#define SIGN 0400000 /* sign bit */
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#define OP_JMS 0100000 /* JMS */
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#define OP_JMP 0600000 /* JMP */
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#define OP_HLT 0740040 /* HLT */
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/* IOT subroutine return codes */
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#define IOT_V_SKP 18 /* skip */
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#define IOT_V_REASON 19 /* reason */
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#define IOT_SKP (1 << IOT_V_SKP)
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#define IOT_REASON (1 << IOT_V_REASON)
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#define IORETURN(f,v) ((f)? (v): SCPE_OK) /* stop on error */
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/* PC change queue */
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#define PCQ_SIZE 64 /* must be 2**n */
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#define PCQ_MASK (PCQ_SIZE - 1)
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#define PCQ_ENTRY pcq[pcq_p = (pcq_p - 1) & PCQ_MASK] = PC
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/* XVM memory management registers */
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#define MM_RDIS 0400000 /* reloc disabled */
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#define MM_V_GM 15 /* G mode */
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#define MM_M_GM 03
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#define MM_GM (MM_M_GM << MM_V_GM)
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#define MM_G_W0 0077777 /* virt addr width */
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#define MM_G_W1 0177777
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#define MM_G_W2 0777777
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#define MM_G_W3 0377777
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#define MM_G_B0 0060000 /* SAS base */
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#define MM_G_B1 0160000
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#define MM_G_B2 0760000
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#define MM_G_B3 0360000
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#define MM_UIOT 0040000 /* user mode IOT's */
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#define MM_WP 0020000 /* share write prot */
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#define MM_SH 0010000 /* share enabled */
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#define MM_V_SLR 10 /* segment length reg */
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#define MM_M_SLR 03
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#define MM_SLR_L0 001000 /* SAS length */
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#define MM_SLR_L1 002000
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#define MM_SLR_L2 010000
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#define MM_SLR_L3 020000
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#define MM_SBR_MASK 01777 /* share base reg */
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#define MM_GETGM(x) (((x) >> MM_V_GM) & MM_M_GM)
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#define MM_GETSLR(x) (((x) >> MM_V_SLR) & MM_M_SLR)
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/* Device information block */
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#define DEV_MAXBLK 8 /* max dev block */
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#define DEV_MAX 64 /* total devices */
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struct pdp18b_dib {
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uint32 dev; /* base dev number */
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uint32 num; /* number of slots */
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int32 (*iors)(void); /* IORS responder */
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int32 (*dsp[DEV_MAXBLK])(int32 dev, int32 pulse, int32 dat);
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};
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typedef struct pdp18b_dib DIB;
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/* Standard device numbers */
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#define DEV_PTR 001 /* paper tape reader */
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#define DEV_PTP 002 /* paper tape punch */
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#define DEV_TTI 003 /* console input */
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#define DEV_TTO 004 /* console output */
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#define DEV_TTI1 041 /* extra terminals */
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#define DEV_TTO1 040
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#define DEV_DRM 060 /* drum */
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#define DEV_RP 063 /* RP15 */
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#define DEV_LPT 065 /* line printer */
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#define DEV_RF 070 /* RF09 */
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#define DEV_RB 071 /* RB09 */
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#define DEV_MT 073 /* magtape */
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#define DEV_DTA 075 /* dectape */
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/* Interrupt system
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The interrupt system can be modelled on either the flag driven system
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of the PDP-4 and PDP-7 or the API driven system of the PDP-9 and PDP-15.
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If flag based, API is hard to implement; if API based, IORS requires
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extra code for implementation. I've chosen an API based model.
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API channel Device API priority Notes
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00 software 4 4
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01 software 5 5
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02 software 6 6
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03 software 7 7
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04 TC02/TC15 1
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05 TC59D 1
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06 drum 1 PDP-9 only
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07 RB09 1 PDP-9 only
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10 paper tape reader 2
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11 real time clock 3
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12 power fail 0
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13 memory parity 0
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14 display 2
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15 card reader 2
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16 line printer 2
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17 A/D converter 0
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20 interprocessor buffer 3
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21 360 link 3 PDP-9 only
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22 data phone 2 PDP-15 only
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23 RF09/RF15 1
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24 RP15 1 PDP-15 only
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25 plotter 1 PDP-15 only
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26 -
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27 -
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30 -
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31 -
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32 -
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33 -
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34 LT15 TTO 3 PDP-15 only
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35 LT15 TTI 3 PDP-15 only
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36 -
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37 -
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On the PDP-9, any API level active masks PI, and PI does not mask API.
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On the PDP-15, only the hardware API levels active mask PI, and PI masks
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the API software levels. */
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#define API_ML0 0200 /* API masks: level 0 */
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#define API_ML1 0100
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#define API_ML2 0040
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#define API_ML3 0020
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#define API_ML4 0010
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#define API_ML5 0004
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#define API_ML6 0002
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#define API_ML7 0001 /* level 7 */
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#if defined (PDP9) /* levels which mask PI */
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#define API_MASKPI (API_ML0|API_ML1|API_ML2|API_ML3|API_ML4|API_ML5|API_ML6|API_ML7)
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#else
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#define API_MASKPI (API_ML0|API_ML1|API_ML2|API_ML3)
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#endif
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#define API_HLVL 4 /* hwre levels */
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#define ACH_SWRE 040 /* swre int vec */
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/* API level 0 */
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#define INT_V_PWRFL 0 /* powerfail */
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#define INT_PWRFL (1 << INT_V_PWRFL)
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#define API_PWRFL 0
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#define ACH_PWRFL 052
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/* API level 1 */
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#define INT_V_DTA 0 /* DECtape */
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#define INT_V_MTA 1 /* magtape */
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#define INT_V_DRM 2 /* drum */
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#define INT_V_RF 3 /* fixed head disk */
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#define INT_V_RP 4 /* disk pack */
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#define INT_V_RB 5 /* RB disk */
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#define INT_DTA (1 << INT_V_DTA)
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#define INT_MTA (1 << INT_V_MTA)
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#define INT_DRM (1 << INT_V_DRM)
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#define INT_RF (1 << INT_V_RF)
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#define INT_RP (1 << INT_V_RP)
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#define INT_RB (1 << INT_V_RB)
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#define API_DTA 1
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#define API_MTA 1
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#define API_DRM 1
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#define API_RF 1
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#define API_RP 1
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#define API_RB 1
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#define ACH_DTA 044
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#define ACH_MTA 045
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#define ACH_DRM 046
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#define ACH_RB 047
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#define ACH_RF 063
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#define ACH_RP 064
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/* API level 2 */
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#define INT_V_PTR 0 /* paper tape reader */
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#define INT_V_LPT 1 /* line printer */
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#define INT_V_LPTSPC 2 /* line printer spc */
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#define INT_PTR (1 << INT_V_PTR)
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#define INT_LPT (1 << INT_V_LPT)
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#define INT_LPTSPC (1 << INT_V_LPTSPC)
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#define API_PTR 2
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#define API_LPT 2
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#define API_LPTSPC 2
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#define ACH_PTR 050
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#define ACH_LPT 056
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/* API level 3 */
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#define INT_V_CLK 0 /* clock */
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#define INT_V_TTI1 1 /* LT15 keyboard */
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#define INT_V_TTO1 2 /* LT15 output */
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#define INT_CLK (1 << INT_V_CLK)
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#define INT_TTI1 (1 << INT_V_TTI1)
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#define INT_TTO1 (1 << INT_V_TTO1)
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#define API_CLK 3
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#define API_TTI1 3
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#define API_TTO1 3
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#define ACH_CLK 051
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#define ACH_TTI1 075
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#define ACH_TTO1 074
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/* PI level */
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#define INT_V_TTI 0 /* console keyboard */
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#define INT_V_TTO 1 /* console output */
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#define INT_V_PTP 2 /* paper tape punch */
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#define INT_TTI (1 << INT_V_TTI)
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#define INT_TTO (1 << INT_V_TTO)
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#define INT_PTP (1 << INT_V_PTP)
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#define API_TTI 4 /* PI level */
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#define API_TTO 4
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#define API_PTP 4
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/* Interrupt macros */
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#define SET_INT(dv) int_hwre[API_##dv] = int_hwre[API_##dv] | INT_##dv
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#define CLR_INT(dv) int_hwre[API_##dv] = int_hwre[API_##dv] & ~INT_##dv
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#define TST_INT(dv) (int_hwre[API_##dv] & INT_##dv)
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/* I/O status flags for the IORS instruction
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bit PDP-4 PDP-7 PDP-9 PDP-15
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0 intr on intr on intr on intr on
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1 tape rdr flag* tape rdr flag* tape rdr flag* tape rdr flag*
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2 tape pun flag* tape pun flag* tape pun flag* tape pun flag*
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3 keyboard flag* keyboard flag* keyboard flag* keyboard flag*
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4 type out flag* type out flag* type out flag* type out flag*
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5 display flag* display flag* light pen flag* light pen flag*
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6 clk ovflo flag* clk ovflo flag* clk ovflo flag* clk ovflo flag*
|
||
7 clk enable flag clk enable flag clk enable flag clk enable flag
|
||
8 mag tape flag* mag tape flag* tape rdr empty* tape rdr empty*
|
||
9 card rdr col* * tape pun empty tape pun empty
|
||
10 card rdr ~busy DECtape flag* DECtape flag*
|
||
11 card rdr error magtape flag* magtape flag*
|
||
12 card rdr EOF disk pack flag*
|
||
13 card pun row* DECdisk flag* DECdisk flag*
|
||
14 card pun error lpt flag*
|
||
15 lpt flag* lpt flag* lpt flag*
|
||
16 lpt space flag* lpt error flag lpt error flag
|
||
17 drum flag* drum flag*
|
||
*/
|
||
|
||
#define IOS_ION 0400000 /* interrupts on */
|
||
#define IOS_PTR 0200000 /* tape reader */
|
||
#define IOS_PTP 0100000 /* tape punch */
|
||
#define IOS_TTI 0040000 /* keyboard */
|
||
#define IOS_TTO 0020000 /* terminal */
|
||
#define IOS_LPEN 0010000 /* light pen */
|
||
#define IOS_CLK 0004000 /* clock */
|
||
#define IOS_CLKON 0002000 /* clock enable */
|
||
#define IOS_DTA 0000200 /* DECtape */
|
||
#define IOS_RP 0000040 /* disk pack */
|
||
#define IOS_RF 0000020 /* fixed head disk */
|
||
#define IOS_DRM 0000001 /* drum */
|
||
#if defined (PDP4) || defined (PDP7)
|
||
#define IOS_MTA 0001000 /* magtape */
|
||
#define IOS_LPT 0000004 /* line printer */
|
||
#define IOS_LPT1 0000002 /* line printer stat */
|
||
#elif defined (PDP9)
|
||
#define IOS_PTRERR 0001000 /* reader empty */
|
||
#define IOS_PTPERR 0000400 /* punch empty */
|
||
#define IOS_MTA 0000100 /* magtape */
|
||
#define IOS_LPT 0000004 /* line printer */
|
||
#define IOS_LPT1 0000002 /* line printer stat */
|
||
#elif defined (PDP15)
|
||
#define IOS_PTRERR 0001000 /* reader empty */
|
||
#define IOS_PTPERR 0000400 /* punch empty */
|
||
#define IOS_MTA 0000100 /* magtape */
|
||
#define IOS_LPT 0000010 /* line printer */
|
||
#define IOS_LPT1 0000000 /* not used */
|
||
#endif
|
||
|
||
/* Function prototypes */
|
||
|
||
t_stat set_devno (UNIT *uptr, int32 val, char *cptr, void *desc);
|
||
t_stat show_devno (FILE *st, UNIT *uptr, int32 val, void *desc);
|
||
|
||
#endif
|
||
|