Memotech RS 128
1984 · personal computer
Specifications
| Manufacturer | Memotech |
|---|---|
| Release year | 1984 |
| Type | PERSONAL COMPUTER |
| CPU | Z80A - 4 Mhz |
| Memory (RAM) | 128KB + 16KB VRAM |
| Configurations | The graphics capabilities are provided by the TMS9918A series video chip from Texas Instruments (same on MSX machines). The PSG is also from Texas Instruments: the SN76489A. The MTX NODDY are a interactive screen manipulation routines. |
| Graphics | 256x192@16 colors; 32 sprites |
| Operating System | MTX BASIC, Assembler & MTX NODDY |
| Others port | Two joysticks ports, monitor output (Composite Video) |
| Parallel port | Compatible centronics |
| ROM | 24KB |
| Serial port | Two ports RS-232 |
| Sound | 4 channel sound (3 independent voices plus pink noise) |
| Storage memory | Cassette |
| Text (Cols x Rows) | 40x24 |
About the Memotech RS 128
This is basically an Memotech MTX 512 with the added serial board, and the expansion board with 64Kb (used like RAM Disk). This two boards allow connect the FDX unit (two 5 1/4" and 500Kb floppy disk drives). The data are sent from the disk to the Disk RAM at 9600 bps. The FDX unit comes with a 80 columns card and allows the RS128 to run CP/M programs.
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