ZX Spectrum 128: Difference between revisions

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[[Category:Spectrum]]
[[Category:Spectrum]]
{{See Also|the "toastrack" 128K model|other Spectrum models with 128K of RAM|ZX Spectrum 128K models}}
{{See Also|the "toastrack" 128K model|other Spectrum models with 128K of RAM|ZX Spectrum 128K models}}
{{Infobox computer
| cpu = [[Z80|Z80A]] @ 3.5469MHz
| rom = 32kB
| ram = 128kB
| rampage = 8*16kB
| manu = Sinclair Research
| volume =
| resolution = 256x129
| colours = 15 (2 per 8x8 cell)
}}


==Hardware==
==Hardware==

Revision as of 16:55, 3 June 2011

  • This article is about the "toastrack" 128K model. For other Spectrum models with 128K of RAM see ZX Spectrum 128K models
Infobox: ZX Spectrum 128
Manufacturer Sinclair Research
Mfg. volume
CPU Z80A @ 3.5469MHz
ROM 32kB
RAM 128kB
as pages 8*16kB
Gfx Res 256x129
Gfx Colours 15 (2 per 8x8 cell)


Hardware

  • Processor: Zilog Z80A microprocessor clocked at 3.5469MHz.
  • ROM: 32KB ROM, arranged in 2 pages of 16KB.
  • RAM: 128KB of Dynamic RAM, arranged in 8 pages of 16KB.
  • Graphics: 256 x 129 pixels, 16 colours, attribute based. See Spectrum Video Modes.
  • Sound: AY-3-8912 3 channel, 8 octave Programmable Sound Generator and "beeper". Modulated onto video signal.
  • Keyboard: 58 plastic keys above a rubber pad and plastic membrane. Optional editor keypad.
  • I/O: Software controlled RS232 serial port. Keypad Port. Tape In (ear) and Tape Out (mic).

Timings

Paging

Keypad