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M > MSX  > MSX Turbo R   

MSX Turbo R

Here is the last MSX computer ever made. It is the successor of the MSX 2+ and thus has many characteristics in common. New features include: a new PCM sound chip which can produce digitized sound up to 44 KHz (in assembly language) and a new Z80 downward compatible R800 processor. The user can select the CPU (Z80 or R800) by software.

Panasonic was the only company to produce MSX 2 Turbo R systems: the FS A1. Two versions of the FS A1 were presented, the FS A1 ST and the FS A1 GT. The GT has 512 KB RAM, a MIDI interface and MSX View in ROM (MSX View is the Graphic User Interface compatible with MSX-DOS).

Panasonic stopped the production of the Turbo R when they launched the 3DO game system in 1992. They failed with this system and never returned to MSX. Lot of extensions, however, were produced by third-party companies to enhance the Turbo R, among them, an OPL4 Sound Card, a hi-res card (Yamaha V9990) with lot of hardware sprites and IDE or SCSI interfaces.

David Heremans reports:
There is a mixed mode where you can have +4096 colors simultaneously with an extra 16 indexed colors so that still pictures in full color can be displayed while the index palatte of 16 redefinable colors can be used for all kind of effects. But trying to display that would probably be a litle long for the small space reserved for it on the page.

We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.
Please consider donating your old computer / videogame system to or one of our partners from anywhere in the world (Europe, America, Asia, etc.).$zsjTpFR0oYQ

please help
trying to convert 8bit video for sam coupe
this is still not mode 3 interlaced with hmpr bit 5$6 CLUT alterations per scan line HELP we only need a DMA...
masterdos/basic atom lite support HELP

Thursday 28th February 2013
Roger Jowett (Ulster)

Humity: 20~80$ (percent of course)

Monday 11th October 2010
Fernando Reyes Martinez (Brazil)
MSX Projects


About MSX turboR, the original price (back in 1990 until 1992) was:

ST: $87,800Yen
GT: $99,800Yen

Operation temperature: +10~35C
Humity: 20~80$

Dimensions: 425(W) x 292(D) x 89(H)mm
Weight: 3.4Kg

That is.

Monday 11th October 2010
Fernando Reyes Martinez (Brazil)
MSX Projects


TYPE  Home Computer
YEAR  1991
CPU  R800 - Z80A downwards compatible but 5 to 10 times faster than a Z80
SPEED  3.579545 MHz (Z80 mode), 7.16 MHz (R800 mode - equivalent to a 28.64MHz Z80 CPU)
CO-PROCESSOR  Video chip must be compatible with the Yamaha VG9938 or V9958, sound chip must be compatible with the General Instruments AY8910
RAM  from 256 KB to 512 KB + 32 KB SRAM up to 4 MB with some soldering
VRAM  128 KB (up to 192 KB)
ROM  80 KB (Basic) 80KB (MSX Disk Basic) 16KB (MSX-MUSIC Basic) 496KB (MSX View)
TEXT MODES  80 x 25 / 40 x 25 / 32 x 25
GRAPHIC MODES  64 x 48 / 256 x 192 / 256 x 212 / 512 x 212 / 512 x 424
COLORS  16 / 16 - 256 / 16 among 512 / 131072
SOUND  AY-8910 + YM-2413 chip (9 channels of music) + PCM = 13 available channels!
SIZE / WEIGHT  425(W) x 292(D) x 89(H)mm / 3.4Kg
I/O PORTS  Joystick(2), Cartridge(2), RGB, Composite Video, Centronics, External Audio, MIDI (GT version)
BUILT IN MEDIA  Built-in 3.5'' disk drive
OS  MSX-BASIC by default, MSX-DOS when booted. The 32KB SRAM of the GT also doubles as a bootable RAM drive
POWER SUPPLY  Built-in power supply unit
PRICE  ST: $87,800 Yen (Japan, 1990)
GT: $99,800 Yen (Japan, 1990)

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