Chloe 280SE: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
m (Use proper multiply symbols) |
||
Line 10: | Line 10: | ||
| manu = Specification only | | manu = Specification only | ||
| volume = None | | volume = None | ||
| resolution = | | resolution = 256×192 or 512×192 (hi-res) | ||
| colours = 256 (2 per | | colours = 256 (2 per 8×8 or 8×1 cell), or 2 (hi-res) | ||
}} | }} | ||
Revision as of 01:17, 23 May 2015
Infobox: Chloe 280SE
Manufacturer | Specification only |
Mfg. volume | None |
CPU | Z804C0020 @ 3.5MHz / 21MHz |
ROM | 32kB |
RAM | 256kB |
as pages | 64kB + 64kB + 128kB |
Gfx Res | 256×192 or 512×192 (hi-res) |
Gfx Colours | 256 (2 per 8×8 or 8×1 cell), or 2 (hi-res) |
The Chloe 280SE is a reference specification for a production version of the ZX Spectrum SE. It has the following differences:
- T-states are exactly as per the 48K Spectrum.
- 256K total RAM (no page 8 in the HOME bank, and no 8K serial RAM on the PSG)
- 224K of uncontended RAM (64K in each sideways bank, 96K in the HOME bank)
- 32K of contended VRAM (page 5 and 7 in the HOME bank)
- No RAM contention when paging sideways RAM over the HOME bank.
- 32K Flash ROM (no TR-DOS traps, SE Basic IV is the default firmware).
- ULAplus support in all video modes.
- Z84C0020PEG CPU (software switchable between 3.5Mhz and 21Mhz).
- YM219F PSG (software switchable stereo panning).