Texas Instruments TI99/4a

By Richard Zealley | 10th March 2022 |

The Texas Instruments TI-99/4A followed the TI99/4, which was let down by a poor keyboard, and was released in 1981. Based on the TMS9900 microprocessor, the TI99/4 was the first 16-bit home computer.

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Psion Organiser II

By Richard Zealley | 19th May 2021 |
Psion Organiser II LZ64

The Organiser II was launched in 1986 to follow the original Organiser from 1984. It had a better keyboard and display and a much larger ROM. There were three models (CM, XP and LZ) with between 8 and 64KiB RAM and a new single-tasking operating system

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Epson P40 Thermal Printer

By Richard Zealley | 27th October 2020 |

The Epson P-40 is compact portable uni-directional thermal dot matrix printer which operates on NiCd batteries. It features various print modes including two bit image modes and character sets for 9 countries. It also has the ASCII 95 character set. It has a speed of 45cps for normal characters and 22.5 cps for enlarged characters.…

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Hewlett Packard HP 95LX

By Richard Zealley | 23rd October 2020 |

The HP 95LX was launched on April 23, 1991 before the term personal digital assistant, or PDA, found its way into everyday use putting the power of a computer into the palm of your hand. It ran MS-DOS v3.22 in 512K bytes of RAM and 1M-byte ROM and had a QWERTY keyboard and a separate…

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Apple Pascal on Apple IIe

By Richard Zealley | 21st September 2020 |
Apple IIe flopty drie and Apple Pascal diskettes

Back In August I took delivery of a boxed Apple IIe in excellent working condition. I had used an earlier Apple II at university in 1982/83 to learn Pascal and hoped to find a set of Pascal diskettes which I duly did a couple of weeks later. I didn’t want to try and do too…

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