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This is a collection of software for RC702 in the form of floppy disk images that have been created from old floppy disks. The images are stored in IMD format. This is the format used by ImageDisk by Dave Dunfield. The .IMD format is described in the documentation for ImageDisk. For the disk formats I have been able to decode so far, I have included a zip file with the files extracted from each disk image.
Please notice that most of the disk images in this section is the intellectual property of other companies or individuals. Many of these companies are no longer in existance or they no longer sell these products. I have not included any material in this archive which I believe has current commercial value. If you are aware that any of the material represented here is being sold or otherwise distributed by a current owner, please contact me as soon as possible and I will remove it from the site immediately. It is not my intention to compromise any active distribution channel being operated by or on behalf of the owner of the property rights to this material. The files presented in this archive are for backup/recovery purposes only. By downloading files you acknowlege that you have valid license to use any software contained therein. You must obtain permission from the owner of the material if you plan to use it for any other purpose.
Some of the images contain bad sectors. These images were produced from floppy disks that are more than 30 years old. I was surprised that these floppy disks were still readable at all, but some of the floppies had sectors that could not be read. These sectors are marked as bad in the IMD file format, so they are easily identifiable. I have kept the contents of the bad sectors in the images, although these sectors most likely contain errors.
Blank disk images | |
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Blank RC700 5 1/4" floppy disk A blank 5 1/4" CP/M formatted floppy disk image for the RC700. It does
not contain any files or system so this can be used for as a starting
point for creating new disk images. |
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Blank RC700 8" SS/SD floppy disk A blank 8" SS/SD CP/M formatted floppy disk image for the RC700. |
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Blank RC700 8" DS/DD floppy disk A blank 8" DS/DD CP/M formatted floppy disk image for the RC700. |
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Blank RC700 5 1/4" CP/M floppy disk A bootable CP/M formatted floppy disk image for the RC700 with
56k CP/M vers. 2.2 rel. 2.1. |
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Blank RC700 8" SS/SD CP/M floppy disk A bootable 8" SS/SD CP/M formatted floppy disk image for the RC700 with
60k CP/M vers. 2.2. Requires CP/M Loader
to boot. |
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Blank RC700 8" DS/DD CP/M floppy disk A bootable 8" DS/DD CP/M formatted floppy disk image for the RC700 with
58K CP/M VERS 2.2 |
CP/M system and utilities | |
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RC700 56k CP/M vers. 2.2 rel. 2.1 RC700 56k CP/M vers. 2.2 rel. 2.1 system disk with utilities. |
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RC700 56k CP/M vers. 2.2 rel. 2.2 RC700 56k CP/M vers. 2.2 rel. 2.2 system disk with utilities. |
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RC700 56k CP/M vers. 2.2 rel. 2.3 RC700 CP/M made in October 2015 from a reconstruction of the original
source code. |
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58K CP/M VERS 2.2 RC700 58k CP/M vers. 2.2 system disk. |
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RC700 CP/M LOADER vers. 81.03.11 RC700 8" SS/SD CP/M loader for 60k CP/M vers 2.2
(RC700 SYSTEM REV 01.12). |
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60K CP/M vers 2.2 RC700 8" SS/SD CP/M system disk for 60k CP/M vers 2.2. Requires
CP/M Loader to boot. |
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58K CP/M VERS 2.2 RC700 8" DS/DD CP/M system disk for 58k CP/M vers 2.2. |
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ROB358 autoloader ROB358 autoloader for RC700 with source code and build script. |
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RC700 CP/M BIOS source code Source code for RC700 56k CP/M vers.2.2 rel.2.1. |
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RC700 CP/M utilities Regnecentralen RC700 CP/M utility programs. |
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RC700 emulator utilities Utility programs for RC700 emulator (fget, fput, hdmode). |
Programming | |
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COMPAS PASCAL V1.0 COMPAS PASCAL V1.0 (CP/M version), Poly-Data microcenter ApS, 1981, 1982. |
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COMPAS PASCAL V2.10 COMPAS PASCAL V2.10 (CP/M Z-80 version), Poly-Data microcenter ApS, 1982, 1983.
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COMPAS PASCAL V2.20 COMPAS PASCAL V2.20 (CP/M Z-80 version), Poly-Data microcenter ApS, 1982, 1983.
Recommended for programming in COMPAS Pascal.
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COMPAS-80 V3.03 COMPAS-80 V3.03, CP/M-80 version, Z-80 CPU, Copyright (C) 1983 Poly-Data microcenter ApS. |
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MATH48 V1.1 48-bit floating point package for Z-80 based microcomputers by Anders Hejlsberg. Copyright (C) 1980 Blue Label Software.
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RC700 COMAL80 1.8 Distribution Disk RC700 COMAL80 Distribution Disk, release 1.8, (c) RC COMPUTER. This disk can
be used for making new COMAL80 system and data disks. |
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RcComal80 rev 1.0 RcComal80 rev 1.0 (CP/M version). |
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RC700 comal80 rev. 1.06 RC700 comal80 rev. 1.06 standalone system. |
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RC700 comal80 rev. 1.07 RC700 comal80 rev. 1.07 standalone system. |
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RC700 comal80 rev. 1.08 RC700 comal80 rev. 1.08 standalone system. Recommended for programming
in COMAL-80.
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RC700 comal rev. 01.04 RC700 comal. Early English version of COMAL for RC700 running under CP/M.
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RC700 comal rev. 01.11 RC700 comal rev. 01.11. Early version of COMAL for RC700 running as
a standalone system derived from ID-COMAL.
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RC700 comal rev. 01.12 RC700 comal rev. 01.12.
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RC700 comal rev. 01.13 RC700 comal rev. 01.13.
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METANIC COMAL-80 METANIC COMAL-80 V1.2E, Arne Christensen, METANIC ApS, 1980, 1981.
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Pascal/MT+ Pascal/MT+ Release 5.5, (c) 1981 MT MicroSYSTEMS, Inc.
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micro-PROLOG micro-PROLOG 3.0, Logic Programming Associates Ltd., 1983.
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Aztec C Aztec C Vers. 1.06B, Manx Software Systems, 1984.
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Microsoft MACRO-80 Assembler Microsoft MACRO-80 Assembler, Ver. 3.44, 09-Dec-81, Copyright (c) 1981 Microsoft.
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Microsoft BASIC-80 Microsoft BASIC-80 Rev. 5.21, Microsoft, 1981.
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CIS COBOL CIS COBOL V4.4, Copyright 1978,1981 Micro Focus Ltd.
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Office | |
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RcTekst 1.1 RcTekst 1.1, Release 82.11.01, A/S Regnecentralen / Designer Software, 1982.
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RcTekst 1.2 RcTekst 1.2, Release 83.01.31, Copyright 1982 A/S Regnecentralen / Designer Software.
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RcKalk 1.0 RcKalk 1.0, Release 83.11.29, A/S Regnecentralen as 1979, 1983.
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WordStar 3 MicroPro WordStar release 3.00.
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BOGIKA BOGIKA Tekstbehandlingssystem, Dansk Systemprogrammel 1981, Version 23-06-82.
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Games | |
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PACMAN PACMAN GAME VERS. 2.1 FOR RC702 CP/M VERS 2.2.
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RC702 CP/M games RC702 CP/M games (KONG, WALL, METEOR, KRYBER).
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RC COMAL-80 games 25 games written in RC COMAL-80 with a menu system for selecting
between the games (in Danish).
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Adventure Michael Goetz's Colossal Cave Adventure for CP/M.
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Zork I Infocom's ZORK I text adventure for CP/M-80: The Great Underground Empire.
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Zork II Infocom's ZORK II text adventure for CP/M-80: The Wizard of Frobozz.
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Zork III Infocom's ZORK III text adventure for CP/M-80: The Dungeon Master.
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I have created disk images of my old floppy disks for RC702. You can download these images here. All the RC702 disks are 5 1/4" double side/double density with a nominal capacity of 360 KB. There are normally 40 tracks on a 5 1/4" floppy disk, but it seems like only the first 35 tracks contain formatted data. There are two different basic sector layouts for the disks: CP/M and RC layout.
The CP/M disks have the following layout:
The first track contains the boot sectors. The remaining tracks are formatted as a CP/M 2.2 disk, but with a 2:1 interleave, so the sector ordering on a track is 0, 2, 4, 6, 8, 1, 3, 5, 7. The block size is 2K, so there are 4 sectors per block. The directory is stored in the first two blocks on track 2. Using this information I have been able to extract all the files from the CP/M floppy disks, which can be found in the ZIP files below.
The RC disks are double side, single density, FM, formatted with 16 sectors
per track, 128 bytes per sector, and 35 tracks per side. This layout is used by
some of the ID COMAL and UCSD Pascal disks. I have not yet figured out the file
system format for these.
CP/M 56k vers 2.2 rel 2.1 UTILITY PROGRAMS Michael Ringggaard CPM56K.IMD CPM56K.ZIP Format: CP/M |
RC700 RCTEKST rel 1.1 RCTEKST.IMD RCTEKST.ZIP Format: CP/M |
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PROLOG vers 3.0 METANIC COMAL-80 LOGO Michael Ringgaard PROLOG.IMD PROLOG.ZIP Format: CP/M |
WordStar RcKalk RcComal80 Michael Ringgaard WORDSTAR.IMD (4 bad sectors) WORDSTAR.ZIP (C80.COM bad) Format: CP/M |
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Multi-Calc CP/M rel 2.1 MULTICAL.IMD (1 bad sector) MULTICAL.ZIP (FYS.LST bad) Format: CP/M |
CP/M PERSONLIGHEDS TEST Michael Ringgaard PERSON.IMD PERSON.ZIP Format: CP/M |
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MFMS DEVELOPMENT Multi File Main- tenance System MFMS.IMD MFMS.ZIP Format: CP/M |
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MUSIK BACKUP DISC (C) Michael Ringgaard MUSIK.IMD (8 bad sectors) Format: RC |
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COMFORT V1.0 common forth language system (C) Michael Ringgaard COMFORT.IMD (1 bad sector) COMFORT.ZIP Format: CP/M |
GAMES 58k CP/M Michael Ringgaard GAMES.IMD GAMES.ZIP Format: CP/M |
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UCSD Pascal Loader double side / double density Michael Ringgaard UCSDLDR.IMD Format: RC |
UCSD Pascal SYS: double side / double density Michael Ringgaard UCSDSYS.IMD Format: CP/M but not CP/M file system |
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UCSD Pascal SYS1: double side / double density Michael Ringgaard UCSDSYS1.IMD Format: CP/M but not CP/M file system |
Færdige programmer UCSD Pascal PROG1: UCSD Pascal SS/SD Michael Ringgaard UCSDPROG.IMD Format: RC |
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RC702 Z-80 Disassembler ID-Comal Michael Ringgaard DISASM.IMD Format: RC |
Diverse ID-Comal programmer ID-Comal 1.18 1.13 Michael Ringgaard COMALPRG.IMD Format: RC |
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MR: grafik (ny) GRAFIK.IMD Format: RC |
Character Graphic Editor. Comal-80 1.06 C GRAPHED.IMD GRAPHED.ZIP Format: CP/M (3 reserved tracks) |
I also have a few 8" floppy disks. There are two formats: type 1 and 2. Type 1 is single-side, single-density (SS/SD), and has 77 tracks with 26 sectors of 128 bytes. Type 2 is double-side, double-density (DS/DD) where the first cylinder with the boot sector are have a special format:
RC700 CP/M Loader vers. 81.03.11 Single head, single side, Soft sector, Single density, 128 bytes per sector. Michael Ringgaard DAKS CPMLOAD.IMD Format: 8" SS/SD CP/M |
CP/M System diskette vers. 2.2 Single head, single side, Soft sector, Single density, 128 bytes per sector. Michael Ringgaard DAKS CPMSYS.IMD Format: 8" SS/SD CP/M |
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RC700 UTILITY COMAL80 RELEASE 1.04 RC700UTIL.IMD Format: 8" ??? |
I am trying to find more software for the RC702 computer. If you have any software on 5 1/4" floppy disks (original or not) made for (or compatible with) the RC700, you are very welcome to send me your floppies. I have made a PC that can be used for reading these and create .IMD files. After reading, I will return your floppy disks.
Floppy image | Description | System | Contributor |
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RC702CPM.IMD | RcComal80 rev 1.0 | RC702 56k CP/M vers. 2.2 rel 2.2 | Jacob Dahl Pind |
A7PHE.IMD | RC disk formatting programs | RC702E 56k CP/M Ver 2.2 Rel 2.20 | Peter Heinrich |
BCPROG.IMD | COMAL opgaver | RC700 comal rev 01.12 | Peter Heinrich |
DIVSPIL8.IMD | Various COMAL80 games (GEO, MASTER, NIMB, FORTUNA, ...) | RC700 comal80 rev. 1.07 | Peter Heinrich |
DOTEST.IMD | Test programs | RC700 56k CP/M vers. 2.2 rel. 2.0 | Peter Heinrich |
HENRIK.IMD | Misc. Pascal, Basic and Comal-80 programs | RC702E 56k CP/M Ver 2.2 Rel 1.7 | Peter Heinrich |
KUGLE.IMD | Kahala, Garfield, and other COMAL programs | RC700 COMAL80 rev 1.08 nr. 005 | Peter Heinrich |
MARATHON.IMD | Marathon-83 FRAH/RC | ID-COMAL | Peter Heinrich |
IDCOMAL.IMD | Misc. comal programs | RC700 comal rev. 01.12 | Peter Heinrich |
PROMBR1.IMD | RC700 EPROM burner software | RC702E 56k CP/M Ver 2.2 Rel 2.20 | Peter Heinrich |
PROMPLOT.IMD | BINPLOT and TELEFON by Jørgen Pedersen, 1988 | RC702E 56k CP/M Ver 2.2 Rel 2.20 | Peter Heinrich |
RC702TST.IMD | RC702 Test Program | Standalone | Peter Heinrich |
TELEOP.IMD | BINPLOT and TELEFON | CP/M | Peter Heinrich |
RCBIB .IMD | RC700 BIB | RC702E 56k CP/M Ver 2.2 Rel 2.20 | Peter Heinrich |
WSREZ2.IMD | REZ Z80 Disassembler, MicroPro WordStar 3.00 and Datastar 1.101 | RC702E 56k CP/M Ver 2.2 Rel 2.20 | Peter Heinrich |
PHPLAY.IMD | Skattejagt, Skak, etc. | RC700 comal rev. 01.12 | Peter Heinrich |
FKSOFT2.IMD | FK-SOFT Økonomisystem | RC702E 56k CP/M Ver 2.2 Rel 2.03 | Peter Heinrich |
KV81.IMD | DAKS Kommunevalg 1981 | RC700 comal rev. 01.13 | Erling Schmidt |
LOB81PGM.IMD | Aalborgløbet 1981 (programs) | RC700 comal rev. 01.11 | Erling Schmidt |
LOB81DAT.IMD | Aalborgløbet 1981 (data) | RC700 comal rev. 01.11 | Erling Schmidt |
CSCOBOL-4-4.IMD | CIS COBOL V4.4 with examples | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
EPB.IMD | Elite Planet Browser | Compiled for RC700 CP/M using z88dk | RobertK |
HTRON.IMD | HTron | Compiled for RC700 CP/M using z88dk | RobertK |
MM.IMD | Master Mind | Compiled for RC700 CP/M using z88dk | RobertK |
RC702F30.IMD | 8" DS/DD CP/M disk #30 | n/a | Maurice Hamm |
RC702F31.IMD | 8" DS/DD CP/M disk #31, 3 bad sectors | 58K CP/M VERS 2.2 | Maurice Hamm |
RC702F32.IMD | 8" DS/DD CP/M disk #32 | n/a | Maurice Hamm |
RC702F33.IMD | 8" DS/DD CP/M disk #33, WordStar | 58K CP/M VERS 2.2 | Maurice Hamm |
RC702F34.IMD | 8" DS/DD CP/M disk #34, WordStar | 58K CP/M VERS 2.2 | Maurice Hamm |
RC702F35.IMD | 8" DS/DD CP/M disk #35, CP/M utilities incl. SYSGEN | 58K CP/M VERS 2.2 | Maurice Hamm |
30-timers-kursus.imd | 30-timers kursus | RcComal80 rev. 1.0 | Søren Roug |
Arhus_kursus.imd | Arhus kursus | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
DBase_II.imd | DBase II | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
Fiskerispillet_v3.2.imd | Fiskerispillet v3.2 | CP/M (no sys) | Søren Roug |
Informatik_pakke_nr2.imd | Informatik pakke nr. 2 | 58K CP/M VERS 2.2 | Søren Roug |
Informatik_pakke_nr4.imd | Informatik pakke nr. 4 | CP/M (no sys) | Søren Roug |
La_chasse_aux_tresor.imd | La chasse aux tresor | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
Pascal-demoprogrammer-A-J.imd | Pascal demoprogrammer A-J | CP/M (no sys) | Søren Roug |
Pascal-demoprogrammer-K-Z.imd | Pascal demoprogrammer K-Z | CP/M (no sys) | Søren Roug |
PolyPascal_v3.10.imd | PolyPascal v3.10 | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
RC703_CPM_v2.2_r1.2.imd | RC703 CPM v2.2 r1.2 | (no sys) | Søren Roug |
Skriv_v6.6.imd | Skriv v6.6 | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
SuperCalc2_v1.0.imd | SuperCalc2 v1.0 | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |
SW1729_Compas_v2.20.imd | SW1729 Compas v2.20 | CP/M (no sys) | Søren Roug |
SW7502_UCSD_Pascal.imd | SW7502 UCSD Pascal | (no sys) | Søren Roug |
Xray-elevopgave-i-pascal.imd | Xray elevopgave i pascal | RC700 56k CP/M vers. 2.2 rel. 2.1 | Søren Roug |