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Dragon 32/64

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It also has a selection of five high-resolution modes, named PMODEs 0–4, which alternate monochrome and four-colour in successively higher resolutions, culminating in the black-and-white 256×192 PMODE 4. Each mode has two possible colour palettes – these are rather garish and cause the system to fare
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Delta's lead in availability ensured that software was released in the format, whilst Dragon's "official" status ensured that it, too, gained software published in its format. This led to confusion and frustration, with customers finding they had either purchased a version incompatible with their
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in August 1982, followed by the Dragon 64 a year later. Despite initial success, the Dragon faced technical limitations in graphics capabilities and hardware-supported text modes, which restricted its appeal in the gaming and educational markets. Dragon Data collapsed in 1984 and was acquired by
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Due to the limited graphics modes of the Dragon, converted games had a distinctive appearance, with colour games being usually played on a green or white background (rather than the more common black on other systems) or games with high-definition graphics having to run in black and white.
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monitor port, allowing connection to (at the time) modern TVs. They used analog joysticks and had a range of peripherals and add-ons available. The Dragon had several high-resolution display modes, but limited graphics capabilities compared to other home computers of the time.
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and the Dragon 64 is light grey. Besides the case, branding and the Dragon 64's serial port, the two machines look the same. The Dragon 32 is upgradable to Dragon 64. In some cases, buyers of the Dragon 32 found that they actually received a Dragon 64 unit.
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wrote in January 1983 that the Dragon 32 "offers more feature for the money than most of its competitors", but "there's nothing exceptional about it". The review described it as a redesigned, less-expensive Color Computer with 32K RAM and better keyboard.
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The systems are sufficiently similar that a significant fraction of the compiled software produced for one machine will run on the other. Software running via the built-in Basic interpreters also has a high level of compatibility, but only after they are
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When the system was discontinued, support from software companies also effectively ended. However, Microdeal continued supporting the Dragon until January 1988. Some of their final games developed for the Dragon in 1987 such as
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Initially, the Dragon was reasonably well supported by the major UK software companies, with versions of popular games from other systems being ported to the Dragon. Top-selling games available for the Dragon include
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being the standard storage mechanism commonly used for machines of the time), DragonDOS was supplied as part of the disk controller interface from Dragon Data Ltd. The versatile external ports, including the standard
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Dragon Data entered the market in August 1982 with the Dragon 32. The Dragon 64 followed a year later. The computers sold well initially and attracted the interest of independent software developers including
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poorly in visual comparisons with other home computers of the time. It is also impossible to use standard printing commands to print text in the graphical modes, causing software development difficulties.
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The Dragon's main display mode is 'black on green' text (the black was, in actuality, a deeper, muddier green). The only graphics possible in this mode are quarter-tile block based.
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A broad range of peripherals exist for the Dragon 32/64, and there are add-ons such as the Dragon's Claw which give the Dragons a port that is hardware-compatible with the
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In the United States it was possible to purchase the Tano Dragon new in box until early 2017 from California Digital, a retailer that purchased the remaining stock.
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Despite this initial success, there were two technical impediments to the Dragon's acceptance. The graphics capabilities trailed behind other computers such as the
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The Dragon used analogue joysticks, unlike most systems of the time which used simpler and cheaper digital systems. Other uses for the joystick ports included
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In common with home computers of the time, the entire operating software was included on a ROM chip; therefore, the system starts instantly when powered up.
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modes are also possible, though their imbalanced resolution and programming difficulty (not being accessible via BASIC) meant they were not often utilised.
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It is possible to permanently convert a Color Computer into a Dragon by swapping the original Color Computer ROM and rewiring the keyboard cable.
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which was not included on the Dragon 32. A minor difference between the two Dragon models is the outer case colour; the Dragon 32 is
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parallel printer port not present on the TRS-80. Some models were manufactured with NTSC video for the US and Canadian markets.
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Dragon Data collapsed in June 1984. It was acquired by the Spanish company Eurohard S.A., which moved the factory from Wales to
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Overall, the Dragon computers were initially well-received but faced limitations that hindered their long-term success.
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are based on a Motorola data sheet design for the MC6883 SAM (MMU) chip for memory management and peripheral control.
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In addition to the DragonDOS disk operating system, the Dragon 32/64 is capable of running several others, including
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for connected devices must be developed. Although neither machine has a built-in disk operating system (
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output which can be used to connect the Dragon 32 to most modern TVs to deliver a much better picture.
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First to market was a complete disk operating system produced by Premier Microsystems, located near
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Dragon Update - National Users Group Magazine Library at the Centre for Computing History
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to the platform. Memory-expanded and MMU-equipped Dragons are able to run OS-9 Level 2.
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pushed the speed yet higher but the display was lost until a slower speed was restored.
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The Dragon has additional circuitry to make the MC6847 VDG compatible with European
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The Dragon used the SN74LS783/MC6883 Synchronous Address Multiplexer (SAM) and the
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Tony Clarke and Richard Wadman established the specifications for the Dragon.
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Spanish company Eurohard S.A. However, Eurohard filed for bankruptcy in 1987.
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at dragon32.co.uk - Archive of Dragon 32/64 inlay artwork and playable games
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setup, or that the software was only available for the competing standard.
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characters; this restricted the system's appeal to the educational market.
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on the 64, also allows hobbyists to attach a diverse range of equipment.
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Manuals of Dragon 32, Dragon 64 and DragonDOS (DOS 437 character set)
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Aside from the amount of RAM, the Dragon 64 also has a functional
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that were built in the 1980s. The Dragons are very similar to the
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with a few changes necessary to interact with the Dragon system.
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It was possible to increase the speed of the computer by using
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TRS-80 and Tandy-branded computers, clones and related systems
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Dragon 200-E upper and lower case Spanish character set
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Dragon 32 Universe (Archived since April 25th, 2019)
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were also converted for 16-bit machines such as the
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The BASIC appears to be nearly identical to 462:(from 1984 to 1987), and for the US market by 1533: 1329: 1361: 1359: 808: 493:The Dragon computers were built around the 64:Learn how and when to remove these messages 1652: 1646: 1540: 1526: 1174:Differences from the TRS-80 Color Computer 527: 1005:for BASIC and other languages to produce 900:monitor port as an alternative to the TV 241:Learn how and when to remove this message 223:Learn how and when to remove this message 161:Learn how and when to remove this message 1860:Computers designed in the United Kingdom 1356: 1053: 955: 551: 1231: 1227: 1225: 1223: 921:in a spacious case, reminiscent of the 880:'s user port, though separate software 14: 1835:Computer-related introductions in 1982 1827: 1435:Dragon 32 programmer's reference guide 1001:Some software providers also produced 1521: 993:Tandy Color Computer's Extended Basic 485:Dragon Data introduced the Dragon 32 454:(until 1984) and by Eurohard S.A. in 1495:The International Dragon Users Group 1220: 517:, and a range of popular games were 172: 99:adding citations to reliable sources 70: 29: 1497:– The Yahoo! group for Dragon Users 1448:Smeed, D.; Sommerville, I. (1983). 1393:from the original on 11 March 2016. 1377:"Dragon User May 1985, 'Write On!'" 1274: 839:which accelerated the ROM-resident 24: 975: 803: 547: 25: 1871: 1633:Tandy 10 Business Computer System 1464: 1437:. Beam Software/Melbourne House. 497:MC6809E processor and featured a 45:This article has multiple issues. 1809: 1808: 1336:Williams, Gregg (January 1983). 1128:appeared in several games, with 777: 765: 753: 741: 729: 717: 705: 693: 681: 669: 657: 645: 633: 621: 609: 270: 177: 75: 34: 1491:at dragon-archive-online.co.uk. 1374: 951: 813:The Dragon is built around the 86:needs additional citations for 53:or discuss these issues on the 1796:Tandy Video Information System 1397: 1368: 1299: 1268: 928: 847:returned the speed to normal. 13: 1: 1214: 987:interpreter in 16 KB of 867:Peripheral Interface Adapters 1473:– at website www.6809.org.uk 1433:Vander Reyden, John (1983). 1238:Engineering & Technology 1234:"Gadgets That Design Forgot" 789: 772:Dragon 200-E right side view 430:, and were produced for the 7: 1405:"Coco to Dragon Conversion" 1386:. Dragon User. p. 10. 865:was provided by two MC6821 760:Dragon 200-E left side view 335:; 37 years ago 317:; 42 years ago 203:the claims made and adding 10: 1876: 1471:The Dragon 32/64 Computers 1047: 817:processor running at 0.89 1840:6809-based home computers 1804: 1778: 1762: 1661: 1644: 1555: 1134:also being converted for 825:CPU design, with limited 404: 393: 378: 370: 357: 347: 329: 311: 301: 291: 281: 276:A Dragon 32 home computer 269: 1178:Both the Dragon and the 1050:Category:Dragon 32 games 1043: 980:The Dragon comes with a 896:The computer featured a 809:Hardware and peripherals 565:. A companion magazine, 353:Microsoft Extended BASIC 287:Dragon 200, Dragon 200-E 1131:Cuthbert Goes Walkabout 917:The units had a robust 871:memory management units 859:Video Display Generator 528:Dragon 32 vs. Dragon 64 505:The Dragon came with a 400:Video Display Generator 1770:Tandy Graphics Adapter 1281:Personal Computer News 1277:"Dragon Fire Flickers" 1232:Sangani, Kris (2009). 1064: 961: 748:Dragon 200-E back view 557: 515:disk operating systems 1850:TRS-80 Color Computer 1585:Tandy Pocket Computer 1580:TRS-80 Color Computer 1180:TRS-80 Color Computer 1057: 1017:/editor suite called 959: 821:. It was an advanced 736:Dragon 200-E top view 555: 438:, Ltd., initially in 428:TRS-80 Color Computer 1503:at www.museo8bits.es 1287:on 15 September 2014 1250:10.1049/et.2009.1604 960:Delta DOS Interface 724:Dragon 200 back view 676:Dragon 64 side views 640:Dragon 32 side views 616:Dragon 32 front view 95:improve this article 1814:RadioShack template 1411:on 26 November 2009 1317:on 20 February 2017 1264:on 5 February 2010. 712:Dragon 200 top view 664:Dragon 64 back view 628:Dragon 32 back view 266: 27:Home computer model 1707:Mera-Elzab Meritum 1477:The Dragon Archive 1452:. Addison-Wesley. 1124:. Their character 1065: 962: 652:Dragon 64 top view 558: 255: 188:possibly contains 1822: 1821: 1791:Tandy Corporation 1565:Model I & III 1450:Inside the Dragon 1098:Software Projects 886:Compact Cassettes 841:BASIC interpreter 593:and released the 446:before moving to 412: 411: 251: 250: 243: 233: 232: 225: 190:original research 171: 170: 163: 145: 68: 16:(Redirected from 1867: 1812: 1811: 1673:Original TRS-80 1656: 1650: 1622:TRS-80 Model 100 1542: 1535: 1528: 1519: 1518: 1421: 1420: 1418: 1416: 1407:. Archived from 1401: 1395: 1394: 1392: 1381: 1372: 1366: 1363: 1354: 1353: 1351: 1349: 1333: 1327: 1326: 1324: 1322: 1313:. Archived from 1303: 1297: 1296: 1294: 1292: 1283:. Archived from 1275:Worlock, Peter. 1272: 1266: 1265: 1260:. Archived from 1229: 1207:standard, and a 1113:Football Manager 850: 846: 838: 815:Motorola MC6809E 781: 769: 757: 745: 733: 721: 709: 697: 685: 673: 661: 649: 637: 625: 613: 521:to the system. 482:, respectively. 464:Tano Corporation 456:Casar de Cáceres 349:Operating system 343: 341: 336: 325: 323: 318: 315:August 1982 284: 274: 267: 254: 246: 239: 228: 221: 217: 214: 208: 205:inline citations 181: 180: 173: 166: 159: 155: 152: 146: 144: 103: 79: 71: 60: 38: 37: 30: 21: 1875: 1874: 1870: 1869: 1868: 1866: 1865: 1864: 1825: 1824: 1823: 1818: 1800: 1774: 1758: 1713:Color Computer 1667:related systems 1666: 1657: 1651: 1642: 1574:TRS-80 Model II 1551: 1546: 1467: 1462: 1424: 1414: 1412: 1403: 1402: 1398: 1390: 1384:World of Dragon 1379: 1373: 1369: 1364: 1357: 1347: 1345: 1334: 1330: 1320: 1318: 1305: 1304: 1300: 1290: 1288: 1273: 1269: 1244:(16). IET: 31. 1230: 1221: 1217: 1176: 1052: 1046: 978: 976:System software 954: 931: 848: 844: 833: 811: 806: 804:Technical notes 792: 785: 782: 773: 770: 761: 758: 749: 746: 737: 734: 725: 722: 713: 710: 701: 698: 689: 686: 677: 674: 665: 662: 653: 650: 641: 638: 629: 626: 617: 614: 550: 548:Product history 530: 509:interpreter in 507:Microsoft BASIC 339: 337: 334: 321: 319: 316: 282: 277: 265: 247: 236: 235: 234: 229: 218: 212: 209: 194: 182: 178: 167: 156: 150: 147: 104: 102: 92: 80: 39: 35: 28: 23: 22: 15: 12: 11: 5: 1873: 1863: 1862: 1857: 1852: 1847: 1845:Home computers 1842: 1837: 1820: 1819: 1817: 1816: 1805: 1802: 1801: 1799: 1798: 1793: 1788: 1782: 1780: 1776: 1775: 1773: 1772: 1766: 1764: 1760: 1759: 1757: 1756: 1755: 1754: 1746: 1745: 1744: 1739: 1734: 1729: 1724: 1719: 1711: 1710: 1709: 1704: 1699: 1694: 1689: 1684: 1679: 1670: 1668: 1659: 1658: 1645: 1643: 1641: 1640: 1635: 1630: 1625: 1619: 1614: 1609: 1604: 1603: 1602: 1597: 1592: 1582: 1577: 1571: 1569:TRS-80 Model 4 1566: 1559: 1557: 1553: 1552: 1545: 1544: 1537: 1530: 1522: 1516: 1515: 1509: 1504: 1498: 1492: 1486: 1480: 1474: 1466: 1465:External links 1463: 1461: 1460: 1446: 1430: 1429: 1428: 1423: 1422: 1396: 1375:Brooks, Phil. 1367: 1355: 1328: 1298: 1267: 1218: 1216: 1213: 1175: 1172: 1045: 1042: 1032:which brought 977: 974: 953: 950: 944:-based 64×192 930: 927: 829:capabilities. 810: 807: 805: 802: 791: 788: 787: 786: 783: 776: 774: 771: 764: 762: 759: 752: 750: 747: 740: 738: 735: 728: 726: 723: 716: 714: 711: 704: 702: 700:Dragon 200 box 699: 692: 690: 688:Dragon by Tano 687: 680: 678: 675: 668: 666: 663: 656: 654: 651: 644: 642: 639: 632: 630: 627: 620: 618: 615: 608: 549: 546: 529: 526: 424:home computers 410: 409: 406: 402: 401: 395: 391: 390: 380: 376: 375: 372: 368: 367: 364:Motorola 6809E 361: 355: 354: 351: 345: 344: 331: 327: 326: 313: 309: 308: 303: 299: 298: 293: 289: 288: 285: 279: 278: 275: 264: 263: 260: 256: 249: 248: 231: 230: 185: 183: 176: 169: 168: 110:"Dragon 32/64" 83: 81: 74: 69: 43: 42: 40: 33: 26: 9: 6: 4: 3: 2: 1872: 1861: 1858: 1856: 1853: 1851: 1848: 1846: 1843: 1841: 1838: 1836: 1833: 1832: 1830: 1815: 1807: 1806: 1803: 1797: 1794: 1792: 1789: 1787: 1784: 1783: 1781: 1777: 1771: 1768: 1767: 1765: 1761: 1753: 1750: 1749: 1748:TRS-80 MC-10 1747: 1743: 1740: 1738: 1735: 1733: 1730: 1728: 1725: 1723: 1720: 1718: 1715: 1714: 1712: 1708: 1705: 1703: 1700: 1698: 1695: 1693: 1690: 1688: 1685: 1683: 1680: 1678: 1675: 1674: 1672: 1671: 1669: 1664: 1660: 1655: 1649: 1639: 1636: 1634: 1631: 1629: 1628:Tandy 1400 LT 1626: 1623: 1620: 1618: 1615: 1613: 1610: 1608: 1605: 1601: 1598: 1596: 1593: 1591: 1588: 1587: 1586: 1583: 1581: 1578: 1575: 1572: 1570: 1567: 1564: 1561: 1560: 1558: 1554: 1550: 1543: 1538: 1536: 1531: 1529: 1524: 1523: 1520: 1513: 1510: 1508: 1505: 1502: 1499: 1496: 1493: 1490: 1487: 1484: 1481: 1478: 1475: 1472: 1469: 1468: 1459: 1458:0-201-14523-5 1455: 1451: 1447: 1444: 1443:0-86161-134-9 1440: 1436: 1432: 1431: 1426: 1425: 1410: 1406: 1400: 1389: 1385: 1378: 1371: 1362: 1360: 1343: 1339: 1332: 1316: 1312: 1311:cadigital.com 1308: 1307:"Tano dragon" 1302: 1286: 1282: 1278: 1271: 1263: 1259: 1255: 1251: 1247: 1243: 1239: 1235: 1228: 1226: 1224: 1219: 1212: 1210: 1206: 1202: 1199: 1194: 1191: 1189: 1183: 1181: 1171: 1169: 1165: 1161: 1160: 1155: 1154: 1147: 1143: 1141: 1137: 1133: 1132: 1127: 1123: 1119: 1115: 1114: 1109: 1105: 1104: 1099: 1095: 1094: 1093:Jet Set Willy 1089: 1088: 1083: 1082: 1077: 1073: 1072: 1062: 1061: 1056: 1051: 1041: 1039: 1035: 1031: 1027: 1022: 1020: 1016: 1012: 1008: 1004: 999: 996: 994: 990: 986: 983: 973: 969: 967: 958: 949: 947: 946:semi-graphics 943: 940:Full-colour, 938: 934: 926: 924: 920: 915: 912: 910: 905: 903: 899: 894: 892: 887: 883: 879: 874: 872: 868: 864: 860: 857: 852: 842: 836: 830: 828: 824: 820: 816: 801: 798: 797: 780: 775: 768: 763: 756: 751: 744: 739: 732: 727: 720: 715: 708: 703: 696: 691: 684: 679: 672: 667: 660: 655: 648: 643: 636: 631: 624: 619: 612: 607: 606: 605: 602: 600: 596: 592: 587: 585: 581: 577: 572: 570: 569: 564: 554: 545: 542: 538: 535: 525: 522: 520: 516: 512: 508: 503: 500: 496: 491: 488: 487:microcomputer 483: 481: 477: 473: 469: 465: 461: 457: 453: 449: 445: 441: 437: 433: 429: 425: 421: 417: 407: 403: 399: 396: 392: 388: 384: 381: 377: 373: 369: 365: 362: 360: 356: 352: 350: 346: 332: 328: 314: 310: 307: 306:Home computer 304: 300: 297: 294: 290: 286: 283:Also known as 280: 273: 268: 261: 258: 257: 253: 245: 242: 227: 224: 216: 206: 202: 198: 192: 191: 186:This article 184: 175: 174: 165: 162: 154: 143: 140: 136: 133: 129: 126: 122: 119: 115: 112: –  111: 107: 106:Find sources: 100: 96: 90: 89: 84:This article 82: 78: 73: 72: 67: 65: 58: 57: 52: 51: 46: 41: 32: 31: 19: 1763:Technologies 1732:CP 400 COLOR 1722:Dragon 32/64 1721: 1692:Colour Genie 1638:TRS-80 MC-10 1449: 1434: 1413:. 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Retrieved 1285:the original 1280: 1270: 1262:the original 1241: 1237: 1195: 1192: 1184: 1177: 1157: 1151: 1148: 1144: 1140:Commodore 64 1129: 1111: 1101: 1091: 1085: 1079: 1069: 1066: 1058: 1038:multitasking 1023: 1018: 1015:disassembler 1000: 997: 979: 970: 963: 952:Disk systems 939: 935: 932: 916: 913: 906: 895: 875: 853: 849:POKE 65497,0 845:POKE 65494,0 831: 812: 794: 793: 603: 599:Dragon 200-E 598: 594: 588: 573: 566: 559: 531: 523: 504: 492: 484: 463: 419: 415: 413: 387:semigraphics 330:Discontinued 312:Release date 292:Manufacturer 252: 237: 219: 210: 187: 157: 148: 138: 131: 124: 117: 105: 93:Please help 88:verification 85: 61: 54: 48: 47:Please help 44: 1855:Dragon Data 1752:Matra Alice 1687:Video Genie 1677:Aster CT-80 1576:/12/16/6000 1136:Atari 8-bit 1090:and sequel 1087:Manic Miner 1084:(A&F), 1081:Chuckie Egg 1060:Manic Miner 1028:, and even 929:Video modes 919:motherboard 576:ZX Spectrum 568:Dragon User 556:Dragon logo 537:serial port 468:New Orleans 448:Port Talbot 436:Dragon Data 408:1-bit sound 374:32 KB/64 KB 296:Dragon Data 1829:Categories 1786:RadioShack 1617:Tandy 3000 1612:Tandy 2000 1607:Tandy 1000 1348:19 October 1321:12 January 1215:References 1209:Centronics 1153:Tanglewood 1048:See also: 909:light pens 595:Dragon 200 584:upper case 434:market by 366:@ 0.89 MHz 213:April 2023 197:improve it 151:April 2023 121:newspapers 50:improve it 1258:1750-9637 1188:tokenized 1142:systems. 1122:Microdeal 1118:Addictive 1103:Hunchback 1011:assembler 1003:compilers 982:Microsoft 923:BBC Micro 898:composite 878:BBC Micro 790:Reception 580:BBC Micro 563:Microdeal 499:composite 476:kilobytes 472:Louisiana 420:Dragon 64 416:Dragon 32 383:Composite 262:Dragon 64 259:Dragon 32 201:verifying 56:talk page 18:Dragon 64 1779:See also 1737:Color 64 1415:5 August 1388:Archived 1198:625-line 1164:Atari ST 1126:Cuthbert 942:scanline 873:(MMUs). 495:Motorola 432:European 394:Graphics 1727:MX-1600 1717:CD-6809 1159:Airball 1076:Imagine 1071:Arcadia 966:Croydon 882:drivers 861:(VDG). 837:65495,0 591:Cáceres 440:Swansea 379:Display 338: ( 322:1982-08 320: ( 195:Please 135:scholar 1702:Max-80 1682:LNW-80 1663:Clones 1563:TRS-80 1556:Series 1456:  1441:  1256:  1110:) and 1036:-like 1007:binary 891:RS-232 856:MC6847 827:16-bit 534:RS-232 519:ported 398:MC6847 371:Memory 137:  130:  123:  116:  108:  1742:VC 50 1697:D8000 1427:Notes 1391:(PDF) 1380:(PDF) 1168:Amiga 1108:Ocean 1044:Games 1019:Dream 985:BASIC 823:8-bit 541:beige 460:Spain 452:Wales 444:Wales 405:Sound 142:JSTOR 128:books 1624:/200 1600:PC-3 1595:PC-2 1590:PC-1 1454:ISBN 1439:ISBN 1417:2008 1350:2013 1342:BYTE 1323:2022 1293:2012 1254:ISSN 1205:NTSC 1166:and 1156:and 1138:and 1034:UNIX 1030:OS-9 1026:FLEX 835:POKE 796:BYTE 578:and 422:are 418:and 414:The 340:1987 333:1987 302:Type 114:news 1246:doi 1201:PAL 1186:re- 1100:), 1078:), 989:ROM 863:I/O 819:MHz 511:ROM 480:RAM 478:of 466:of 359:CPU 199:by 97:by 1831:: 1382:. 1358:^ 1340:. 1309:. 1279:. 1252:. 1240:. 1236:. 1222:^ 1170:. 1021:. 911:. 902:RF 470:, 458:, 450:, 442:, 59:. 1665:, 1541:e 1534:t 1527:v 1445:. 1419:. 1352:. 1325:. 1295:. 1248:: 1242:4 1116:( 1106:( 1096:( 1074:( 1013:/ 342:) 324:) 244:) 238:( 226:) 220:( 215:) 211:( 193:. 164:) 158:( 153:) 149:( 139:· 132:· 125:· 118:· 91:. 66:) 62:( 20:)

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Dragon 64
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Dragon Data
Home computer
Operating system
CPU
Motorola 6809E
Composite
semigraphics
MC6847

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