/Vintage/Sinclair/80/Clones/Ritas do Brasil, Brazil/ |
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k1.spdns.de / Vintage / Sinclair / 80 / Clones / Ritas do Brasil, Brazil / |
Ritas do Brasil was another manufacturer for a ZX81 clone. It was not fully compatible with the ZX81. There is little information on this computer in the internet.
based on www.computer-archiv.de/
Name Ringo R470
Manufacturer Ritas do Brasil
Year 1981 (?)
OS, Language modified (?) Sinclair ZX81 Basic
Keyboard 49 rubber keys
CPU Zilog Z80A @ 3.25 MHz
RAM 16 kB, upgradable up to 48 kB
ROM 8 kB
Text mode 24 lines à 32 characters, 64 non-ascii characters
. 2 lines reserved for INPUT, 22 lines available for PRINT
Graphics 10 block graphics characters for 64x44 'pixel' graphics
Colors Monochrome
Sound Beeper [computer-archive.de]
Size, weight (?)
I/O ports TV, Z80 bus, tape i/o (?)
Name | Letzte Änderung | Länge | |||
---|---|---|---|---|---|
R-470 Ringo xl.jpg size: 1280 × 960 |
2005-11-15 13:25 | 229114 | |||
R-470 Ringo.jpg size: 640 × 480 |
2005-11-15 13:26 | 85281 |
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