520:
2170:
57:
2181:
823:
2339:
644:. DOS 4.0 used blocks instead of single sectors, and supported single, enhanced, and double density, as well as both single- and double-sided drives. DOS 4.0 was not compatible with DOS 2 or 3 disks but could read files from them. It also did not automatically switch densities, and it was necessary to go to the menu and manually select the correct density.
580:
Version 2.5 is an upgrade to 3.0. After listening to complaints by their customers, Atari released an improved version of their previous DOS. This allowed the use of
Enhanced Density disks, and there was a utility to read DOS 3 disks. An additional option was added to the menu
680:
Many of these DOSes were released by manufacturers of third-party drives, anyone who made drive modifications, or anyone who was dissatisfied with the available DOSes. Often, these DOSes could read disks in higher densities, and could set the drive to read disks faster (using
164:
871:
563:
DOS 3 provided built-in help via the Atari HELP key and/or the inverse key. Help files needed to be present on the system DOS disk to function properly. DOS 3 also used special XIO commands to control disc operations within BASIC programs.
1253:
Charles
Marslett wrote floppy disk and hard drive drivers for Percom, and was the creator of MYDOS, a disk operating system for the Atari 8-bit computers that offered support for double density sectors, subdirectories, and hard
665:
drive, as well as its burst I/O. DOS XE used a new disk format which was incompatible with DOS 2.0S and DOS 2.5, requiring a separate utility for reading older 2.0 files. It also required
944:
remained the most popular Atari 8-bit disk format throughout the series' lifetime, and almost all commercial software continued to be sold in that format (or variants of it modified for
735:
This DOS could read SS/SD, SS/ED, SS/DD and DS/DD disks, and made use of all known methods of speeding up disk-reads supported by the various third-party drive manufacturers.
541:. This increased storage from 88 KB to 130 KB per disk. There was a single density (88 KB) formatting option to maintain compatibility with older Atari 810 disk drives.
973:: 80 tracks (40 tracks per side) with 18 sectors per track, 256 bytes per sector. 1440 sectors (720 sectors per side), 360 KB capacity. Readable by the XF551 only.
1029:
967:: 40 tracks with 18 sectors per track, 256 bytes per sector. 720 sectors, 180 KB capacity. Readable by the XF551, the 815, or modified/upgraded 1050.
1642:
1315:
1173:
2045:
1592:
783:, with an exception on distributing commercially only if it included in software or derivated software made of it would cost less than $ 50.
937:
data (bytes used, file number, next sector), leaving 125 bytes for data. This meant each disk held 707 × 125 = 88,375 bytes of user data.
1608:
925:
A number of different formats existed for Atari disks. Atari DOS 2.0S, single-sided, single-density disk had 720 sectors divided into 40
507:
Dual Disk Drive, which was both expensive and incompatible with the standard 810, and thus sold only a small number; making DOS version
2680:
2347:
2185:
1455:
704:
Many enhancements including sector copying and verifying, speed checking, turning on/off file verifying and drive reconfiguration.
3231:
3216:
961:: 40 tracks with 26 sectors per track, 128 bytes per sector. 1040 sectors, 130 KB capacity. Readable by the 1050 and the XF551.
1562:
1635:
1075:
1238:
917:
Minimalistic DOS for Atari, supporting files formats of various other DOS software, such as files of Atari DOS and MyDOS.
1682:
746:
Menu driven DOS with enhanced features. Sorts disk directory listings and can set display options. File directory can be
121:
2386:
560:. As a result, DOS 3 was extremely unpopular and did not gain widespread acceptance amongst the Atari user community.
93:
1677:
1058:
140:
3221:
986:
established a double-density layout standard which all other manufacturers of Atari-compatible disk drives such as
16:
This article is about the operating system of the Atari 8-bit computers. For the Atari ST's operating system, see
3226:
2218:
2174:
1795:
1628:
100:
802:
This DOS used a command-line interface. Was not compatible with DOS 2.0, but could read DOS 2.0 disks. Supports
2568:
2435:
349:
There were several versions of Atari DOS available, with the first version released in 1979. Atari was using a
78:
719:. Compatible with DOS 2.0 - Allowed the use of Double Density floppies. Unlike most ATARI DOSses, this used a
1118:
750:. Can display deleted files and undelete them. Some advanced features required a proprietary TOP-DOS format.
3065:
2449:
2400:
2379:
2005:
107:
2743:
2673:
2090:
2040:
1026:
669:
RAM, so it did not run on the 400/800 machines. It supported date-stamping of files and sub-directories.
226:
2874:
1552:
2841:
2358:
2120:
1396:
Utility disk for the interface. ATR format, side A for MyDOS, side B for SpartaDOS (updated 19 I 2011).
716:
311:
extensions loaded into memory were required in order for an Atari computer to manage files stored on a
74:
1161:
There is no real important difference in the special boot bytes on a MyDos disk and an Atari Dos Disk.
994:, and Rana —except Atari itself— followed. A configuration block of 12 bytes defines the disk layout.
697:
Menu driven DOS that was compatible with DOS 2.0. Among the first third-party DOS programs to support
519:
375:
disk drives. This version was entirely memory resident, which made it fast but occupied memory space.
315:. These extensions to the operating system added the disk handler and other file management features.
89:
2757:
2596:
1710:
878:
A SpartaDOS compatible DOS, the last version 1.30 was released in
December 1995. It has a much lower
402:
2984:
2638:
2547:
2407:
934:
31:
2834:
1589:
2708:
2484:
2470:
2456:
2035:
2010:
1540:
552:, Atari was anticipating larger capacity floppy disks, but this resulted in incompatibility with
67:
764:
Published by Martin
Reitershan Computertechnik. Written by Herbert Barth and Frank Bruchhäuser.
761:
This DOS supports Turbo 1050, Happy, Speedy, XF551 and US Doubler highspeed drives. XL/XE only.
3236:
2778:
2652:
2582:
2561:
2428:
2393:
2365:
1820:
720:
45:
3045:
2526:
2414:
1651:
852:
A SpartaDOS compatible DOS (in fact, a renamed version of SpartaDOS 3.x, for legal reasons).
304:
300:
261:
2859:
2827:
2799:
1266:
3170:
2934:
2806:
2666:
2645:
2631:
2554:
2477:
2463:
1687:
1329:
1239:"ANTIC The Atari 8-bit Podcast: ANTIC Interview 393 - Charles Marslett, MYDOS and FastChip"
549:
338:
285:
8:
3165:
3160:
2603:
2533:
2491:
2211:
1980:
955:: 40 tracks with 18 sectors per track, 128 bytes per sector. 720 sectors, 90 KB capacity.
707:
Published by Rana
Systems. Written by John Chenoweth and Ron Bieber, last version 8.2D.
2922:
1960:
1955:
1800:
1692:
1010:
It is an utility to work with Atari disks and diskettes, based on MyDOS and SpartaDOS.
926:
114:
1046:
2928:
2792:
2442:
2319:
2283:
2254:
2100:
1558:
1553:
Wilkinson, Bill; Compute! Publications, Inc; Optimized
Systems Software, Inc (1982),
1330:"Atari 400/800/XL/XE Miscellaneous Software & Utilities - Chebucto Community Net"
1309:
1167:
1054:
183:
30:"MyDOS" redirects here. For the similarly pronounced Microsoft operating system, see
3005:
2890:
2813:
2372:
2324:
2299:
1602:
883:
879:
780:
747:
405:
for Atari DOSes, as any Atari-compatible disk drive can read a disk formatted with
354:
308:
280:
251:
246:
2945:
840:, which strongly resembles MS-DOS in its look and feel. It was shipped on a 64 KB
37:"RealDOS" redirects here. For the similarly named successor to Multiuser DOS, see
3190:
3116:
2977:
2589:
2304:
2293:
1850:
1596:
1146:
1033:
945:
930:
350:
318:
The most important extension is the disk handler. In Atari DOS 2.0, this was the
1097:
3055:
2771:
2624:
2610:
2204:
1805:
1620:
1482:
803:
666:
641:
636:. The rights were returned to the author, Michael Barall, who placed it in the
268:
431:
contained the disk utilities and was loaded only when the user exited to DOS.
3210:
3195:
3020:
2421:
2095:
1950:
1845:
1211:
841:
689:
techniques). Most of these DOSes (except SpartaDOS) were DOS 2.0 compatible.
637:
632:
201:
1430:
1381:
772:
This DOS adds the ability to use sub-directories, and supports hard-drives.
3086:
3070:
3025:
3010:
2989:
2972:
2505:
2498:
1970:
1925:
369:, all commands were only accessible from the menu. It was bundled with the
312:
2736:
2729:
2715:
1353:
1099:
Miscellaneous PD Disks: MyDos Disk
Operating System Replacement, utilities
786:
There is number of free addons and extensions for MyDOS created by users.
44:"Turbo-DOS" redirects here. For the CP/M-compatible operating system, see
3106:
3060:
2883:
2820:
2764:
2575:
2278:
2248:
2115:
1780:
941:
831:
807:
776:
662:
591:
545:
331:
327:
179:
38:
2915:
1575:
1504:
1409:
933:, 707 sectors were free. Each 128-byte sector used the last 3 bytes for
391:
The second, more popular version of DOS from Atari was bundled with the
3144:
3015:
2967:
2962:
2957:
2952:
2940:
2785:
2750:
2701:
2687:
1865:
1855:
1752:
1742:
1722:
528:
443:
397:
174:
23:
For the MS-DOS compatible operating system of the Atari
Portfolio, see
1187:
882:
compared to the original SpartaDOS and does not use the RAM under the
3139:
2694:
2314:
2309:
2110:
2065:
1940:
1930:
1920:
1614:
891:
887:
859:
837:
822:
672:
DOS XE was the last DOS made by Atari for the Atari 8-bit computers.
527:
A new version of DOS that came originally bundled with the 5.25-inch
503:
371:
17:
1569:
1291:
56:
3050:
2722:
2540:
2512:
2288:
2260:
2140:
2105:
1905:
1890:
1885:
1830:
1825:
1715:
987:
898:
811:
3111:
2155:
2125:
2080:
2055:
1990:
1985:
1975:
1880:
1870:
1860:
1840:
1810:
1785:
1762:
1757:
1747:
1672:
24:
2519:
2135:
2130:
2030:
2020:
2015:
1995:
1945:
1910:
1835:
1790:
1732:
1705:
1669:
1002:
It is ramdisk for Atari XL, compatible with many DOS software.
983:
724:
163:
794:
This is a fork of MyDOS, intended to be used as game laucher.
2659:
2227:
2150:
2085:
2075:
2060:
2025:
1915:
1875:
1737:
1727:
991:
458:
file was added. This stored user memory in a temporary file (
366:
2338:
948:), since it was compatible with all Atari-made disk drives.
2617:
2145:
2070:
2050:
2000:
1965:
1815:
814:. Included the capability to create primitive batch files.
585:) to format single-density disks. DOS 2.5 was shipped with
288:
1053:. Greensboro, North Carolina: Compute! Publications, Inc.
738:
Published by
Technical Support. Written by Paul Nicholls.
556:. Files converted to DOS 3 could not be converted back to
1773:
753:
Published by
Eclipse Software. Written by R. K. Bennett.
727:
provided a menu program in addition to the command line.
2196:
870:
886:
of XL/XE machines, allowing it to be used on the older
442:
support and the ability to automatically run an Atari
810:
being capable of handling filesystems sized up to 16
81:. Unsourced material may be challenged and removed.
775:Published by Wordmark Systems, includes complete
523:DOS 3 diskette as supplied with a 1050 disk drive
3208:
1650:
1484:Charles Marslett, MYDOS and FastChip — interview
1047:"Appendix Seventeen: Dos 2.5 And The 1050 Drive"
1453:
1447:
537:(ED) capability, also referred to by Atari as
2212:
1636:
1605:Everything You Wanted To Know About Every DOS
940:The single-density disk holding a mere 88 KB
1073:
630:DOS 4.0 was designed for the never-released
466:was unloaded. The previous menu option from
1314:: CS1 maint: numeric names: authors list (
1172:: CS1 maint: numeric names: authors list (
1038:
675:
2337:
2219:
2205:
2180:
1643:
1629:
1480:
826:Screenshot of SpartaDOS X by FTE & DLT
3079:
2998:
2851:
1267:"Index of /~archive/atari/8bit/Dos/Mydos"
141:Learn how and when to remove this message
1074:Marslett, Charles; Puff, Robert (1988).
1044:
869:
821:
518:
401:disk drives. It is considered to be the
1535:Not to be confused with the much later
3209:
1407:
2200:
1624:
1376:
1374:
1289:
1233:
1231:
909:XDOS is freeware by Stefan Dorndorf.
874:Screenshot of BW-DOS by Jiří Bernasek
661:and double-sided capabilities of the
531:disk drive. This made use of the new
386:DISK OPERATING SYSTEM II VERSION 2.0S
1609:Atari Dos 4 (aka ANTIC Dos aka QDOS)
1502:
1140:
1138:
575:DISK OPERATING SYSTEM II VERSION 2.5
450:. Since user memory was erased when
334:. This meant at least an additional
79:adding citations to reliable sources
50:
1599:— Reference manual for DOS 3.
862:by Stephen J. Carden and Ken Ames.
710:
341:was needed to run with DOS loaded.
13:
1576:Mapping the Atari, Revised Edition
1371:
1228:
977:
454:was loaded, an option to create a
14:
3248:
1583:
1144:
1135:
698:
658:
533:
498:
490:
365:In the first version of DOS from
2179:
2169:
2168:
1456:"Atari Disk Drive Compatibility"
1454:Wilkinson, Bill (October 1985).
1083:(User Guide). WORDMARK Systems.
836:A more sophisticated version of
653:Codename during production: ADOS
168:Atari DOS version 2.5, main menu
162:
55:
1496:
1474:
1423:
1408:Reichl, Matthias (2024-03-27),
1401:
1346:
1322:
1283:
1259:
1119:"Atari 400 800 XL XE MyDOS 5.0"
1005:
920:
66:needs additional citations for
3232:Discontinued operating systems
1529:
1204:
1180:
1111:
1090:
1067:
1020:
959:Single-Sided, Enhanced-Density
817:
427:was loaded into memory, while
1:
3217:Atari 8-bit computer software
1013:
501:disks. 2.0D shipped with the
1611:Documentation on Atari DOS 4
1296:THUNDERDOME – the ATARI site
1151:THUNDERDOME – the ATARI site
971:Double-Sided, Double-Density
965:Single-Sided, Double-Density
953:Single-Sided, Single-Density
797:
789:
756:
640:. It was later published by
623:Codename during production:
7:
1711:Multitasking MS-DOS 4.0/4.1
1503:Janz, Holger (2024-05-27),
1290:Fox-1, Sysop (2018-06-05).
730:
692:
589:disk drives and some early
395:disk drives and some early
344:
233:; 37 years ago
213:; 45 years ago
10:
3253:
2121:Technical Support SuperDOS
1590:Atari DOS Reference Manual
1188:"MyDOS programs and tools"
1032:February 21, 2009, at the
997:
912:
847:
829:
741:
717:Optimized Systems Software
617:
567:
434:In addition to bug fixes,
378:
360:
326:), an implementation of a
43:
36:
29:
22:
15:
3183:
3153:
3132:
3125:
3099:
3038:
2907:
2873:
2346:
2335:
2269:
2241:
2234:
2226:
2164:
1898:
1771:
1668:
1659:
1481:Kay Savetz (2020-08-16),
1085:For Atari Home Computers.
865:
647:
403:lowest common denominator
279:
267:
257:
245:
225:
207:
197:
189:
173:
161:
1382:":: drac030.atari8.info"
1216:www.mathyvannisselroy.nl
1147:"Disk Formats Explained"
767:
676:Third-party DOS programs
598:Included utilities were
514:
462:) and restored it after
3222:Atari operating systems
1541:perpendicular recording
1243:ataripodcast.libsyn.com
904:
3227:Disk operating systems
3066:Transputer Workstation
2875:Software and utilities
1821:Datapac System Manager
1652:Disk operating systems
1617:from Wordmark Systems.
1431:"LiteDOS (c) Mr.Atari"
1045:Chadwick, Ian (1985).
875:
827:
524:
320:File Management System
46:Software 2000 TurboDOS
3140:825 80-Column Printer
3046:Atari 8-bit computers
873:
825:
657:DOS XE supported the
522:
305:Atari 8-bit computers
301:disk operating system
262:Atari 8-bit computers
1212:"Mathy's MyDOS page"
474:, was replaced with
75:improve this article
3166:Atari joystick port
2908:Video game consoles
1981:DEC BATCH-11/DOS-11
1660:MS-DOS, IBM PC DOS,
723:instead of a menu.
158:
3145:1020 Color Printer
3100:Portable computers
3039:Personal computers
2681:Return of the Jedi
2436:Cloak & Dagger
1961:Concurrent DOS V60
1956:Concurrent DOS 68K
1801:Concurrent CP/M-86
1662:compatible systems
1595:2011-05-15 at the
1557:, Compute! Books,
1537:extra-high density
1506:HolgerJanz/RAMCART
1462:. pp. 110–111
1411:HiassofT/MyPicoDOS
1334:www.chebucto.ns.ca
1271:websites.umich.edu
1123:www.atarimania.com
1077:MYDOS Version 4.50
901:by Jiří Bernasek.
876:
828:
525:
511:rare and unusual.
438:featured improved
156:
3204:
3203:
3179:
3178:
3095:
3094:
3034:
3033:
2929:Atari Video Music
2869:
2868:
2333:
2332:
2320:Nightdive Studios
2284:Atari Interactive
2255:Atari Corporation
2194:
2193:
1701:
1700:
1615:MyDOS Source Code
1564:978-0-942386-02-8
1051:Mapping the Atari
476:N. CREATE MEM.SAV
294:
293:
184:Atari Corporation
151:
150:
143:
125:
3244:
3130:
3129:
3077:
3076:
2996:
2995:
2891:Atari Calculator
2849:
2848:
2814:Tournament Table
2380:Atari Basketball
2373:Asteroids Deluxe
2341:
2300:Cyan Engineering
2239:
2238:
2221:
2214:
2207:
2198:
2197:
2183:
2182:
2172:
2171:
1666:
1665:
1645:
1638:
1631:
1622:
1621:
1603:Antic Vol.4 No.3
1567:
1555:Inside Atari DOS
1544:
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1435:www.mr-atari.com
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1192:www.wordmark.org
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1042:
1036:
1024:
880:memory footprint
781:copyleft license
715:DOS produced by
711:OS/A+ and DOS XL
613:
609:
605:
601:
584:
583:P. FORMAT SINGLE
534:Enhanced Density
477:
473:
472:N. DEFINE DEVICE
465:
461:
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426:
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355:Data General AOS
337:
309:Operating system
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153:Operating system
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3191:Atari Flashback
3175:
3149:
3121:
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3030:
2994:
2903:
2865:
2847:
2590:Missile Command
2450:Crystal Castles
2349:
2342:
2329:
2305:Digital Eclipse
2294:Chuck E. Cheese
2271:
2265:
2230:
2225:
2195:
2190:
2160:
1899:Other platforms
1894:
1851:NetWare PalmDOS
1767:
1697:
1661:
1655:
1649:
1597:Wayback Machine
1586:
1581:
1578:by Ian Chadwick
1565:
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1043:
1039:
1034:Wayback Machine
1025:
1021:
1016:
1008:
1000:
980:
978:Percom standard
946:copy protection
923:
915:
907:
868:
850:
834:
820:
800:
792:
770:
759:
744:
733:
713:
695:
678:
650:
620:
611:
607:
603:
599:
582:
570:
517:
475:
471:
463:
459:
455:
451:
447:
439:
428:
424:
420:
416:
381:
363:
351:cross assembler
347:
335:
270:
237:
235:
232:
217:
215:
212:
208:Initial release
169:
154:
147:
136:
130:
127:
84:
82:
72:
60:
49:
42:
35:
28:
21:
12:
11:
5:
3250:
3240:
3239:
3234:
3229:
3224:
3219:
3202:
3201:
3199:
3198:
3193:
3187:
3185:
3181:
3180:
3177:
3176:
3174:
3173:
3171:XG-1 light gun
3168:
3163:
3157:
3155:
3154:Gaming devices
3151:
3150:
3148:
3147:
3142:
3136:
3134:
3127:
3123:
3122:
3120:
3119:
3114:
3109:
3103:
3101:
3097:
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3092:
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3018:
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2894:
2887:
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2877:
2871:
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2866:
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2855:
2853:
2846:
2845:
2838:
2831:
2824:
2817:
2810:
2803:
2796:
2789:
2782:
2775:
2772:Super Breakout
2768:
2761:
2754:
2747:
2740:
2733:
2726:
2719:
2712:
2705:
2698:
2691:
2684:
2677:
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2649:
2642:
2635:
2628:
2621:
2614:
2607:
2600:
2593:
2586:
2579:
2572:
2565:
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2551:
2544:
2537:
2530:
2523:
2516:
2509:
2502:
2495:
2488:
2481:
2474:
2467:
2460:
2453:
2446:
2443:Crash 'N Score
2439:
2432:
2425:
2418:
2411:
2404:
2397:
2390:
2387:Atari Football
2383:
2376:
2369:
2362:
2354:
2352:
2350:and amusements
2344:
2343:
2336:
2334:
2331:
2330:
2328:
2327:
2322:
2317:
2312:
2307:
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2216:
2209:
2201:
2192:
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2189:
2188:
2177:
2165:
2162:
2161:
2159:
2158:
2153:
2148:
2143:
2138:
2133:
2128:
2123:
2118:
2113:
2108:
2103:
2098:
2093:
2088:
2083:
2078:
2073:
2068:
2063:
2058:
2053:
2048:
2043:
2038:
2033:
2028:
2023:
2018:
2013:
2008:
2003:
1998:
1993:
1988:
1983:
1978:
1973:
1968:
1963:
1958:
1953:
1948:
1943:
1938:
1933:
1928:
1923:
1918:
1913:
1908:
1902:
1900:
1896:
1895:
1893:
1888:
1883:
1878:
1873:
1868:
1863:
1858:
1853:
1848:
1843:
1838:
1833:
1828:
1823:
1818:
1813:
1808:
1806:Concurrent DOS
1803:
1798:
1793:
1788:
1783:
1778:
1776:
1769:
1768:
1766:
1765:
1760:
1755:
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1735:
1730:
1725:
1720:
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1702:
1699:
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1663:
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1656:
1648:
1647:
1640:
1633:
1625:
1619:
1618:
1612:
1606:
1600:
1585:
1584:External links
1582:
1580:
1579:
1573:
1570:Online version
1563:
1549:
1546:
1545:
1527:
1526:
1525:
1524:
1518:
1517:
1495:
1473:
1446:
1422:
1400:
1370:
1345:
1321:
1282:
1258:
1227:
1203:
1179:
1145:Fox-1, Sysop.
1134:
1110:
1089:
1066:
1059:
1037:
1018:
1017:
1015:
1012:
1007:
1004:
999:
996:
979:
976:
975:
974:
968:
962:
956:
922:
919:
914:
911:
906:
903:
867:
864:
849:
846:
830:Main article:
819:
816:
804:subdirectories
799:
796:
791:
788:
769:
766:
758:
755:
743:
740:
732:
729:
712:
709:
699:double-density
694:
691:
677:
674:
659:double-density
655:
654:
649:
646:
642:Antic Software
628:
627:
619:
616:
578:
577:
573:Also known as
569:
566:
544:By organizing
516:
513:
499:double-density
491:single-density
389:
388:
384:Also known as
380:
377:
362:
359:
346:
343:
330:loaded from a
303:used with the
292:
291:
283:
277:
276:
273:
271:user interface
265:
264:
259:
255:
254:
249:
243:
242:
229:
227:Latest release
223:
222:
209:
205:
204:
199:
195:
194:
191:
187:
186:
177:
171:
170:
167:
152:
149:
148:
63:
61:
54:
9:
6:
4:
3:
2:
3249:
3238:
3237:1979 software
3235:
3233:
3230:
3228:
3225:
3223:
3220:
3218:
3215:
3214:
3212:
3197:
3196:Intellivision
3194:
3192:
3189:
3188:
3186:
3182:
3172:
3169:
3167:
3164:
3162:
3161:CX40 joystick
3159:
3158:
3156:
3152:
3146:
3143:
3141:
3138:
3137:
3135:
3131:
3128:
3124:
3118:
3115:
3113:
3110:
3108:
3105:
3104:
3102:
3098:
3088:
3085:
3084:
3082:
3078:
3072:
3069:
3067:
3064:
3062:
3059:
3057:
3054:
3052:
3049:
3047:
3044:
3043:
3041:
3037:
3027:
3024:
3022:
3019:
3017:
3014:
3012:
3009:
3007:
3004:
3003:
3001:
2997:
2991:
2988:
2986:
2983:
2979:
2976:
2975:
2974:
2971:
2969:
2966:
2964:
2961:
2959:
2956:
2954:
2951:
2947:
2944:
2943:
2942:
2939:
2937:
2936:
2935:Video Pinball
2932:
2930:
2927:
2925:
2924:
2920:
2918:
2917:
2913:
2912:
2910:
2906:
2900:
2899:
2895:
2893:
2892:
2888:
2886:
2885:
2881:
2880:
2878:
2876:
2872:
2862:
2861:
2857:
2856:
2854:
2850:
2844:
2843:
2839:
2837:
2836:
2835:Video Pinball
2832:
2830:
2829:
2825:
2823:
2822:
2818:
2816:
2815:
2811:
2809:
2808:
2804:
2802:
2801:
2797:
2795:
2794:
2790:
2788:
2787:
2783:
2781:
2780:
2776:
2774:
2773:
2769:
2767:
2766:
2762:
2760:
2759:
2755:
2753:
2752:
2748:
2746:
2745:
2741:
2739:
2738:
2734:
2732:
2731:
2727:
2725:
2724:
2720:
2718:
2717:
2713:
2711:
2710:
2706:
2704:
2703:
2699:
2697:
2696:
2692:
2690:
2689:
2685:
2683:
2682:
2678:
2676:
2675:
2671:
2669:
2668:
2664:
2662:
2661:
2657:
2655:
2654:
2650:
2648:
2647:
2643:
2641:
2640:
2636:
2634:
2633:
2629:
2627:
2626:
2622:
2620:
2619:
2615:
2613:
2612:
2608:
2606:
2605:
2601:
2599:
2598:
2594:
2592:
2591:
2587:
2585:
2584:
2580:
2578:
2577:
2573:
2571:
2570:
2566:
2564:
2563:
2559:
2557:
2556:
2552:
2550:
2549:
2545:
2543:
2542:
2538:
2536:
2535:
2531:
2529:
2528:
2524:
2522:
2521:
2517:
2515:
2514:
2510:
2508:
2507:
2503:
2501:
2500:
2496:
2494:
2493:
2489:
2487:
2486:
2482:
2480:
2479:
2475:
2473:
2472:
2468:
2466:
2465:
2461:
2459:
2458:
2454:
2452:
2451:
2447:
2445:
2444:
2440:
2438:
2437:
2433:
2431:
2430:
2426:
2424:
2423:
2422:Canyon Bomber
2419:
2417:
2416:
2412:
2410:
2409:
2405:
2403:
2402:
2398:
2396:
2395:
2391:
2389:
2388:
2384:
2382:
2381:
2377:
2375:
2374:
2370:
2368:
2367:
2363:
2361:
2360:
2359:Anti-Aircraft
2356:
2355:
2353:
2351:
2345:
2340:
2326:
2323:
2321:
2318:
2316:
2313:
2311:
2308:
2306:
2303:
2301:
2298:
2295:
2292:
2290:
2287:
2285:
2282:
2280:
2277:
2276:
2274:
2272:and spin-offs
2268:
2262:
2259:
2256:
2253:
2250:
2247:
2246:
2244:
2240:
2237:
2233:
2229:
2222:
2217:
2215:
2210:
2208:
2203:
2202:
2199:
2187:
2178:
2176:
2167:
2166:
2163:
2157:
2154:
2152:
2149:
2147:
2144:
2142:
2139:
2137:
2134:
2132:
2129:
2127:
2124:
2122:
2119:
2117:
2114:
2112:
2109:
2107:
2104:
2102:
2099:
2097:
2096:Sinclair QDOS
2094:
2092:
2089:
2087:
2084:
2082:
2079:
2077:
2074:
2072:
2069:
2067:
2064:
2062:
2059:
2057:
2054:
2052:
2049:
2047:
2044:
2042:
2039:
2037:
2034:
2032:
2029:
2027:
2024:
2022:
2019:
2017:
2014:
2012:
2009:
2007:
2004:
2002:
1999:
1997:
1994:
1992:
1989:
1987:
1984:
1982:
1979:
1977:
1974:
1972:
1969:
1967:
1964:
1962:
1959:
1957:
1954:
1952:
1951:Commodore DOS
1949:
1947:
1944:
1942:
1939:
1937:
1934:
1932:
1929:
1927:
1924:
1922:
1919:
1917:
1914:
1912:
1909:
1907:
1904:
1903:
1901:
1897:
1892:
1889:
1887:
1884:
1882:
1879:
1877:
1874:
1872:
1869:
1867:
1864:
1862:
1859:
1857:
1854:
1852:
1849:
1847:
1846:Multiuser DOS
1844:
1842:
1839:
1837:
1834:
1832:
1829:
1827:
1824:
1822:
1819:
1817:
1814:
1812:
1809:
1807:
1804:
1802:
1799:
1797:
1794:
1792:
1789:
1787:
1784:
1782:
1779:
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1770:
1764:
1761:
1759:
1756:
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1731:
1729:
1726:
1724:
1721:
1717:
1714:
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1707:
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1703:
1694:
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1674:
1671:
1670:
1667:
1664:
1658:
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1627:
1626:
1623:
1616:
1613:
1610:
1607:
1604:
1601:
1598:
1594:
1591:
1588:
1587:
1577:
1574:
1571:
1566:
1560:
1556:
1551:
1550:
1543:floppy disks.
1542:
1538:
1532:
1528:
1522:
1521:
1508:
1507:
1499:
1486:
1485:
1477:
1461:
1457:
1450:
1436:
1432:
1426:
1413:
1412:
1404:
1397:
1387:
1383:
1377:
1375:
1359:
1355:
1349:
1335:
1331:
1325:
1317:
1311:
1297:
1293:
1286:
1272:
1268:
1262:
1255:
1244:
1240:
1234:
1232:
1217:
1213:
1207:
1193:
1189:
1183:
1175:
1169:
1162:
1152:
1148:
1141:
1139:
1124:
1120:
1114:
1101:
1100:
1093:
1086:
1079:
1078:
1070:
1062:
1060:0-87455-004-1
1056:
1052:
1048:
1041:
1035:
1031:
1028:
1023:
1019:
1011:
1003:
995:
993:
989:
985:
972:
969:
966:
963:
960:
957:
954:
951:
950:
949:
947:
943:
938:
936:
932:
928:
918:
910:
902:
900:
895:
893:
889:
885:
881:
872:
863:
861:
857:
853:
845:
843:
842:ROM cartridge
839:
833:
824:
815:
813:
809:
805:
795:
787:
784:
782:
778:
773:
765:
762:
754:
751:
749:
739:
736:
728:
726:
722:
718:
708:
705:
702:
700:
690:
688:
684:
673:
670:
668:
667:bank-switched
664:
660:
652:
651:
645:
643:
639:
638:public domain
635:
634:
626:
622:
621:
615:
596:
595:disk-drives.
594:
593:
588:
576:
572:
571:
565:
561:
559:
555:
551:
547:
542:
540:
536:
535:
530:
521:
512:
510:
506:
505:
500:
496:
492:
488:
483:
481:
469:
445:
437:
432:
415:consisted of
414:
410:
408:
404:
400:
399:
394:
387:
383:
382:
376:
374:
373:
368:
358:
356:
352:
342:
340:
333:
329:
325:
321:
316:
314:
310:
306:
302:
298:
290:
287:
284:
282:
278:
274:
272:
266:
263:
260:
256:
253:
250:
248:
244:
231:XE 1.0 / 1987
230:
228:
224:
210:
206:
203:
202:Closed source
200:
196:
192:
190:Working state
188:
185:
181:
178:
176:
172:
165:
160:
145:
142:
134:
123:
120:
116:
113:
109:
106:
102:
99:
95:
92: –
91:
87:
86:Find sources:
80:
76:
70:
69:
64:This article
62:
58:
53:
52:
47:
40:
33:
26:
19:
2933:
2921:
2914:
2897:
2896:
2889:
2882:
2858:
2840:
2833:
2826:
2819:
2812:
2805:
2798:
2791:
2784:
2777:
2770:
2763:
2758:Steeplechase
2756:
2749:
2742:
2735:
2728:
2721:
2714:
2707:
2700:
2693:
2686:
2679:
2672:
2665:
2658:
2651:
2644:
2637:
2630:
2625:Pong Doubles
2623:
2616:
2609:
2602:
2597:Night Driver
2595:
2588:
2581:
2574:
2569:Lunar Lander
2567:
2560:
2553:
2546:
2539:
2532:
2525:
2518:
2511:
2506:Gran Trak 20
2504:
2499:Gran Trak 10
2497:
2490:
2483:
2476:
2469:
2462:
2455:
2448:
2441:
2434:
2427:
2420:
2413:
2406:
2399:
2392:
2385:
2378:
2371:
2364:
2357:
2270:Subsidiaries
2235:Corporations
1971:Cromemco DOS
1935:
1926:Apple ProDOS
1554:
1536:
1531:
1510:, retrieved
1505:
1498:
1488:, retrieved
1483:
1476:
1464:. Retrieved
1459:
1449:
1438:. Retrieved
1434:
1425:
1415:, retrieved
1410:
1403:
1395:
1389:. Retrieved
1385:
1362:. Retrieved
1360:. 2016-02-03
1357:
1348:
1337:. Retrieved
1333:
1324:
1299:. Retrieved
1295:
1292:"Tag: mydos"
1285:
1274:. Retrieved
1270:
1261:
1252:
1246:. Retrieved
1242:
1219:. Retrieved
1215:
1206:
1195:. Retrieved
1191:
1182:
1160:
1154:. Retrieved
1150:
1126:. Retrieved
1122:
1113:
1103:, retrieved
1098:
1092:
1084:
1076:
1069:
1050:
1040:
1022:
1009:
1006:IDE Plus 2.0
1001:
981:
970:
964:
958:
952:
939:
935:housekeeping
924:
921:Disk formats
916:
908:
896:
877:
855:
854:
851:
835:
801:
793:
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774:
771:
763:
760:
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745:
737:
734:
721:command line
714:
706:
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671:
656:
631:
629:
624:
597:
590:
586:
579:
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543:
539:Dual Density
538:
532:
526:
508:
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494:
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296:
295:
247:Available in
198:Source model
193:Discontinued
137:
128:
118:
111:
104:
97:
85:
73:Please help
68:verification
65:
3126:Peripherals
2923:Stunt Cycle
2884:Atari BASIC
2821:Triple Hunt
2765:Stunt Cycle
2576:Major Havoc
2548:Jet Fighter
2408:Black Widow
2296:(1977–1980)
2279:Atari Games
2257:(1984–1996)
2251:(1972–1992)
2249:Atari, Inc.
2116:SpartaDOS X
1358:SourceForge
832:SpartaDOS X
818:SpartaDOS X
808:hard drives
777:source code
687:Ultra-Speed
663:Atari XF551
612:RAMDISK.COM
600:DISKFIX.COM
448:AUTORUN.SYS
446:file named
332:floppy disk
328:file system
286:Proprietary
180:Atari, Inc.
90:"Atari DOS"
39:IMS REAL/32
3211:Categories
3080:Prototypes
3006:Game Brain
2999:Prototypes
2985:VCS (2021)
2852:Prototypes
2828:Ultra Tank
2786:Super Pong
2751:Starship 1
2709:Space Race
2702:Space Duel
2688:Shark Jaws
2639:Quadrapong
2485:Food Fight
2471:Fire Truck
2401:Battlezone
1866:PC-MOS/386
1856:Novell DOS
1753:SISNE plus
1743:Novell DOS
1723:IBM PC DOS
1683:Comparison
1512:2024-09-14
1490:2024-09-14
1466:16 October
1440:2024-09-14
1417:2024-09-14
1391:2024-09-14
1364:2024-09-14
1339:2024-09-14
1301:2024-09-14
1276:2024-09-14
1248:2024-09-14
1221:2024-09-14
1197:2024-09-14
1156:2024-09-14
1128:2024-09-14
1105:2024-09-14
1014:References
931:formatting
897:BW-DOS is
748:compressed
683:Warp Speed
604:COPY32.COM
529:Atari 1050
444:executable
440:NOTE/POINT
313:disk drive
131:March 2020
101:newspapers
3117:Portfolio
2916:Home Pong
2898:Atari DOS
2779:Super Bug
2744:Star Wars
2695:Sky Diver
2674:Red Baron
2653:Quiz Show
2583:Millipede
2562:Liberator
2457:Destroyer
2429:Centipede
2394:Avalanche
2366:Asteroids
2315:MobyGames
2310:Kee Games
2111:SpartaDOS
2066:NewDos/80
1941:Atari TOS
1936:Atari DOS
1931:Apple SOS
1921:Apple DOS
982:In 1978,
888:Atari 400
860:shareware
838:SpartaDOS
798:SpartaDOS
790:MyPicoDOS
757:Turbo-DOS
608:SETUP.COM
297:Atari DOS
258:Platforms
175:Developer
157:Atari DOS
18:Atari TOS
3133:Printers
3056:MEGA STE
3051:Atari ST
2842:Warlords
2737:Sprint 8
2730:Sprint 4
2723:Sprint 2
2716:Sprint 1
2611:Pin-Pong
2541:Indy 800
2527:I, Robot
2513:Gravitar
2415:Breakout
2289:AtariAge
2261:Atari SA
2175:Category
2141:TurboDOS
2106:SmartDOS
2046:MicroDOS
1906:AmigaDOS
1891:TurboDOS
1886:Towns OS
1831:K8918-OS
1826:DOS Plus
1716:MS-DOS 7
1688:Commands
1678:Timeline
1593:Archived
1460:Compute!
1310:cite web
1168:cite web
1030:Archived
942:per side
929:. After
899:freeware
894:models.
731:SuperDOS
701:drives.
693:SmartDOS
554:DOS 2.0S
497:was for
489:was for
485:Version
480:DOS 2.0S
436:DOS 2.0S
413:DOS 2.0S
407:DOS 2.0S
345:Versions
3112:ST Book
3021:Panther
2860:Tank II
2807:Tempest
2667:Rebound
2646:Quantum
2632:Pursuit
2478:Firefox
2464:Dominos
2348:Arcades
2242:Primary
2156:Z80-RIO
2126:Top-DOS
2081:RealDOS
2056:MSX-DOS
1991:DOS/360
1986:DIP DOS
1976:CSI-DOS
1881:SCP1700
1871:REAL/32
1861:OpenDOS
1841:MP/M-86
1811:CP/M-86
1786:4690 OS
1781:4680 OS
1763:FreeDOS
1758:PTS-DOS
1748:ROM-DOS
1354:"MyDOS"
1254:drives.
998:RAMCART
913:LiteDOS
856:RealDOS
848:RealDOS
742:Top-DOS
633:1450XLD
618:DOS 4.0
568:DOS 2.5
558:DOS 2.0
546:sectors
493:disks,
468:DOS 1.0
464:DUP.SYS
460:MEM.SAV
456:MEM.SAV
452:DUP.SYS
429:DUP.SYS
425:DOS.SYS
421:DUP.SYS
417:DOS.SYS
379:DOS 2.0
361:DOS 1.0
299:is the
281:License
269:Default
252:English
236: (
216: (
115:scholar
25:DIP DOS
3087:Sierra
3071:Falcon
3026:Sierra
3011:Cosmos
2973:Jaguar
2800:Tank 8
2604:Outlaw
2555:LeMans
2534:Indy 4
2520:Hi-way
2492:Gotcha
2325:Tengen
2184:
2173:
2136:TRSDOS
2131:TR-DOS
2031:iS-DOS
2021:IDEDOS
2016:GEMDOS
1996:DOS XL
1946:BW-DOS
1911:AMSDOS
1836:FlexOS
1791:86-DOS
1772:Other
1733:DR-DOS
1706:MS-DOS
1561:
1057:
984:Percom
927:tracks
866:BW-DOS
779:under
725:DOS XL
648:DOS XE
550:blocks
117:
110:
103:
96:
88:
3184:Other
3107:STacy
3061:TT030
2990:2600+
2660:Qwak!
2228:Atari
2151:Z-DOS
2086:SB-80
2076:PTDOS
2061:MyDOS
2026:IMDOS
1916:ANDOS
1876:SB-86
1738:H-DOS
1728:DOS/V
1693:Games
1654:(DOS)
1539:(ED)
1523:Notes
1081:(PDF)
1027:Atari
992:Amdek
988:Indus
768:MyDOS
592:XF551
548:into
515:DOS 3
367:Atari
353:with
336:32 KB
122:JSTOR
108:books
32:MIDAS
3016:2700
2968:Lynx
2963:XEGS
2958:7800
2953:5200
2946:2800
2941:2600
2793:Tank
2618:Pong
2186:List
2146:UDOS
2101:RDOS
2071:OS/M
2051:MP/M
2041:MDOS
2036:ISIS
2011:FLEX
2001:Edos
1966:CP/M
1816:CP/K
1796:ADOS
1559:ISBN
1468:2013
1316:link
1174:link
1055:ISBN
905:XDOS
806:and
625:QDOS
610:and
587:1050
509:2.0D
495:2.0D
487:2.0S
419:and
398:1050
289:EULA
275:Menu
238:1987
218:1979
211:1979
94:news
2091:SCP
2006:EOS
1774:x86
1673:API
892:800
884:ROM
858:is
685:or
504:815
478:in
393:810
372:810
339:RAM
324:FMS
77:by
3213::
2978:CD
1458:.
1433:.
1394:.
1384:.
1373:^
1356:.
1332:.
1312:}}
1308:{{
1294:.
1269:.
1251:.
1241:.
1230:^
1214:.
1190:.
1170:}}
1166:{{
1159:.
1149:.
1137:^
1121:.
1049:.
990:,
844:.
812:MB
614:.
606:,
602:,
482:.
470:,
423:.
409:.
357:.
307:.
182:,
2220:e
2213:t
2206:v
1644:e
1637:t
1630:v
1572:)
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138:(
133:)
129:(
119:·
112:·
105:·
98:·
71:.
48:.
41:.
34:.
27:.
20:.
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