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within the video hardware. This is done by a PROM circuit, where a two bit mask controls colour mixing ratios of 0%, 33%, 66% and 100% of the saturated hue. This approach allows the display of Orange instead of "desaturated white", and Gray instead of "desaturated black".
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tones, outputted via the TV using the SCART connector. The machine used cassette tapes for file storage, played on a proprietary player connected using a 5-pin
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284:(16 KB used as video memory, 32 KB as free user RAM) and 16 KB of ROM (4 KB for the monitor and 12 KB for the BASIC interpreter).
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644:("E" for "Export", a model designed for foreign markets) was presented in 1985. It had a different casing featuring a mechanical keyboard, a
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584:. The tape player's output is also routed to the computer's sound output. The keyboard has 58 keys and includes a reset button.
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1150:, TO7/70, TO8, TO8D, TO9, TO9+ and Olivetti Prodest PC128. Comprehensive software and documentation are also available.
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machine. The MO5 was not sold in vast quantities outside France and was largely discontinued in favour of the improved
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690:. Memory was expanded to 128 KB and the machine came with a new version of BASIC (Microsoft Basic 128 1.0).
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The MO5 was sold in a version featuring a mechanical keyboard and a white casing, in a limited edition named
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Video RAM was 16 KB. As common on home computers designed to be connected to an ordinary TV screen, the
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pixels active area doesn't cover the entire screen, and is surrounded by a border. The video output is
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Displayed colors are only approximate due to different transfer and color spaces used on web pages (
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and an integrated power supply. Sound was also improved, with four voices and seven octaves.
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network card could be plugged into it, but was incompatible with early MO5 machines.
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A cartridge port was available. A RAM expansion adding extra 64 KB and a "
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320x200, 8 colours with 2 saturation variations, 2 colours per 8x1 pixel area
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was PBGR. The desaturated colours were obtained by mixing of the original
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MO5s were used as educational tools in French schools for a period (see
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According to the values specified on the computer's technical manual (
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Around two hundred software titles are known to exist for the MO5.
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1146:: PC emulator for Thomson MO5, MO5E, MO5NR, MO6, T9000,
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Sound was also updated to four voices and five octaves.
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At the same time, Thomson also released the up-market
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Graphics were generated by a EFGJ03L (or MA4Q-1200)
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in June 1984 to compete against systems such as the
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720:colors (allows shifting between two screen pages)
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697:graphics chip, and the MO5NR could generate
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955:Demomaker's guide to Thomson computers
937:Demomaker's guide to Thomson computers
887:Demomaker's guide to Thomson computers
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1405:Computer science education in France
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933:"documentations:devices:gate.arrays"
303:pixel colour attribute areas). The
299:pixels with 16 colours (limited by
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1000:"Listing of all Thomson MO5 games"
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864:from the original on 4 July 2018.
708:colors with 3 transparency levels
295:text display and a resolution of
223:. It had a release price of 2390
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951:"documentations:expansions:ram"
808:"Thomson MO5 Emulation in MESS"
726:colors and 1 transparency level
124:32 KB RAM, 16 KB VRAM
566:, with the refresh rate being
1:
883:"documentations:hardware:mo5"
333:Thomson MO5 Hardware Palette
1042:"Thomson MO5 Michel Platini"
683:keyboard and an integrated "
1094:"Thomson MO5NR MESS driver"
675:, a network standard - see
640:An improved version, named
280:and features 48 KB of
75:; 38 years ago
49:; 40 years ago
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272:The Thomson MO5 runs on a
16:1984 French computer model
1400:6809-based home computers
1359:
1329:
1252:
332:
325:“Manuel Technique du MO5”
91:Cassette tape, Cartridges
21:
1285:(Olivetti Prodest PC128)
1154:MO5 at Old-Computers.com
1022:Universal Videogame List
786:"MO5 v3 Circuit Diagram"
1098:Antoine Miné's Web Site
910:Manuel Technique du MO5
812:Antoine Miné's Web Site
570:compatible 50 Hz.
305:hardware colour palette
1004:The Video Games Museum
617:
276:processor clocked at 1
1073:www.old-computers.com
980:www.old-computers.com
907:Oury, Michel (1985).
738:colors (2 colors per
615:
253:educational network.
573:Audio is limited to
545:) and analog video (
916:(in French). Cedic.
616:Thomson MO5 Platini
1216:MO5 Michel Platini
688:network controller
621:MO5 Michel Platini
618:
156:Keyboard, Lightpen
140:EFGJ03L gate array
62:Introductory price
1410:Computing for All
1395:Thomson computers
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858:Old-Computers.com
832:(in French). 2018
762:Computing for All
742:pixels restraint)
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249:terminal for the
243:Computing for All
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148:1-bit square wave
116:@ 1 MHz
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1116:"Thomson MO5 NR"
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1100:. Archived from
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1069:"MO5 E Thomson"
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650:joystick ports
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365:PROM bit mask
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346:PROM bit mask
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317:RGB components
274:Motorola 6809E
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268:Specifications
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232:Thomson TO7/70
211:introduced in
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172:Expansion port
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1278:Thomson MO5NR
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669:Thomson MO5NR
663:Thomson MO5NR
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646:parallel port
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582:DIN connector
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262:MO5 Basic 1.0
260:interpreter (
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247:nano-machine"
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1371:Micromega SX
1364:Micromega 32
1353:Unix systems
1340:Thomson TO16
1336:Micromega PC
1333:Micromega 16
1310:Thomson TO9+
1221:Thomson MO5E
1210:
1124:. Retrieved
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1110:
1102:the original
1097:
1087:
1076:. Retrieved
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1049:. Retrieved
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1025:. Retrieved
1021:
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983:. Retrieved
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834:. Retrieved
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684:
673:"Nanoréseau"
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642:Thomson MO5E
641:
639:
636:Thomson MO5E
626:
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433:Light Green
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357:Memory bits
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338:Memory bits
324:
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271:
255:
251:"Nanoréseau"
250:
246:
240:
229:
221:Commodore 64
204:
199:
197:
169:Connectivity
70:Discontinued
65:2390 FF
44:Release date
34:Manufacturer
1305:Thomson TO9
1300:Thomson TO8
1283:Thomson MO6
1237:Thomson TO7
1211:Thomson MO5
1122:(in French)
699:4096 colors
685:Nanoréseau"
594:Nanoréseau"
578:square wave
513:Light Cyan
493:Parma Pink
473:Light Blue
291:capable of
236:Thomson MO6
217:ZX Spectrum
181:Thomson MO6
28:Thomson MO5
1389:Categories
1126:2022-12-31
1078:2022-12-31
1051:2023-04-07
1027:2023-01-01
985:2022-12-31
836:2022-12-21
769:References
671:("NR" for
309:4-bit RGBI
289:gate array
38:Thomson SA
657:modulator
588:Expansion
556:320 × 200
530:01 10 11
521:11 11 11
510:11 11 10
501:11 11 01
490:11 10 11
481:11 00 11
470:11 10 01
461:11 01 01
450:10 11 11
441:00 11 11
430:10 11 10
421:00 11 00
410:10 10 11
401:01 01 11
390:10 10 10
381:00 00 00
313:bit order
297:320 × 200
278: MHz
238:in 1986.
177:Successor
1293:T models
1271:M models
1230:T models
1204:M models
1120:Silicium
862:Archived
756:See also
608:Variants
600:Software
568:625-line
484:Magenta
164:Joystick
137:Graphics
957:. 2018.
939:. 2018.
889:. 2018.
533:Orange
444:Yellow
293:40 × 25
201:Thomson
187:Related
129:Display
78: (
52: (
1144:DCMOTO
748:colors
732:colors
714:colors
681:AZERTY
648:, two
547:BT.601
524:White
424:Green
384:Black
213:France
121:Memory
914:(PDF)
740:8 × 1
575:1-bit
562:on a
527:1111
518:0111
507:1110
504:Cyan
498:0110
487:1101
478:0101
467:1100
464:Blue
458:0100
447:1011
438:0011
427:1010
418:0010
413:Rose
407:1001
398:0001
393:Gray
387:1000
378:0000
373:Name
354:Name
301:8 × 1
207:is a
153:Input
145:Sound
88:Media
667:The
627:MO5
543:sRGB
404:Red
360:PBGR
341:PBGR
219:and
198:The
80:1986
73:1986
54:1984
47:1984
1148:TO7
654:PAL
560:RGB
307:is
282:RAM
264:).
205:MO5
109:CPU
1391::
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788:.
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227:.
225:FF
1182:e
1175:t
1168:v
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1006:.
988:.
839:.
814:.
792:.
549:)
82:)
56:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
