Pentagon Computer (updated spectrum clone)

Below is my Sinclair ZX-Spectrum 128K with Pro-Keyboard. There is an original Sinclair ZX-Spectrum 128K board built in. As Power Supply I use 7 volt, 1 Ampere so the heat produced by the internal LM7805 Voltage Regulator is reduced to a minimal degree. As mass storage device I have an DivIDE Interface with a Compact Flash Card Reader and a 128 Mbyte Compact Flash Card attached. On the DivIDE Interface is FATware installed. I can read the data on the Compact Flash Card on the ZX-Spectrum and read… Continue

Before I had window 98 and zzzzzzz and slow. Now goes fast..

In April 1982 a small British company launched the ZX Spectrum Home Computer and sparked a revolution. The ZX-Spectrum computer was the invention of British technology entrepreneur Sir Clive Sinclair. The ZX-Spectrum was the third home computer to be released by Sinclair - following the ZX80 and ZX81. For many people in the UK the ZX-Spectrum was their first experience of using a computer and it quickly gained a loyal following. Two more models of the ZX Spectrum were released by Sinclair Resea… Continue

The SAM Coupe was an 8-bit British Homecomputer that was first released in late 1989. It has a screen mode that is compatible to the ZX-Spectrum and can emulate a ZX-Spectrum. If used to its full potential it has graphics and sound that comes very close to the 16 bit machines of that era. Technical Data Hardware: Z 80B CPU, 6 MHz 256K / 512K RAM Display: Mode 1: 32 x 24 cells each cell 2 colours 16 colours of 128 Mode 2: 32 x 192 cells each cell 2 colours 16 colours of 128 Mode 3: 512 x… Continue

The Spectrum+ was released in October 1984. The Spectrum+ introduced no c… Continue