Archives for the month December 2020 of Genesis8 Amstrad Page




PunyInform v1.8 by Fredrik Ramsberg to write text adventure games

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Infocom is a company created in June 1979 by Massachusetts Institute of Technology (M.I.T.) staff and students. This company has created well known adventure games (interactive fiction).

They choose an interesting solution to create their adventure games, they could have created games and adapt them on other platforms, instead they choosed to separate the game engine and the game data. So they only have to write an new game engine for each computer.

This game interpreter or virtual machine is called the Z-machine. It was created by Joel Berez and Marc Blank in 1979. The original compiler by Infocom has been lost but Graham Nelson has written in 1993 Inform which can ccompile the source of an adventure game for the Z-machine virtual machine or for the Glulx virtual machine (which removes some limitations of the original virtual machine by Infocom).

The compiler Inform 6 since the v6.30 can compile either for Z-machine or Glulx virtual machine. There is also a version 7 of Inform.

And now comes PunyInform v1.8 by Fredrik Ramsberg and Johan Berntsson which is a library written in Inform 6 to create adventure game (pure text, no graphic support contrary to DAAD) using the Z-machine virtual machine which will run on 8bit computers (or more recent computers too). PunyInform has a parser, knowing of common verbs and a framework to write adventure games.

PunyInform is based on the Inform 6 library written by Graham Nelson. Its goal is to make easily adventure games in Inform 6, with a manual describing the differences between the official library and PunyInform..

Games using PunyInform can be compiled in z3, z5 and z8 format (z3 being the best format for 8bit computers, other formats have more features). Compared to the Inform 6 library, it means that there is no support for the Glulx virtual machine but z3 format is important as Inform 6 doesnt support it.

To compile games written with PunyInform, you should use the Inform 6 compiler maintained by David Kinder. Binaries are available on if-archive. PunyInform needs Inform v6.34 (or more).

They are tutorials to write adventure game with PunyInform (end of the page).

To try your game after compilation, you can use WinFrotz by David Kinder, to create map easily you can use Trizbort.



A new version of ConvImgCpc by Ludovic Deplanque

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A new version of ConvImgCpc by Ludovic Deplanque is out (1st december 2020).

It's a windows xp utility to convert PC images to Amstrad CPC.




CapriceESP32 v0.7.1 by Millim, an Amstrad CPC emulator on Odroid Go

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A new version of the Amstrad CPC emulator for Odroid Go by Millim : CapriceESP32 is available (v0.7.1).

It features mute sound and support for cheating (read documentation for using it). To access both features use the Menu Key + B, then Menu Key + Down arrow.

You must put the directory /cpc at the base of the Odroid SD card (especially /cpc/dsk), the .FW will be in /odroid/firmware as usual.

I recommand to read the documentation of CapriceESP32. You must use the Menu key + B to access the .DSK directory then Menu + right arrow to go to the file list, select file with A, press Menu + B once again to launch the selected file. To use the virtual keyboard, press Menu + A and once again to remove it. There is no sound mute at the moment. If you want to reset the emulator, just choose another disk and file to execute.



ALCON 2020 by Abalore is available on any 64 Kb Amstrad CPC

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A.L.C.O.N. 2020 is a shoot them up already existing on Amstrad CPC since 1987. Abalore started to work on a remake in 2016 and it's now available.

The PlayCity extension is not required but recommended to hear the full 6 in-game audio channels. A 2-button gamepad or joystick (best) is also a nice addition to enjoy the full arcade experience.

Programmation is by d'Abalore, graphics by TotO, and music by Targhan.




CPCEC, an Amstrad CPC emulator for windows by CNGSoft, 19th release

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CPCEC (windows) is a new Amstrad CPC emulator by CNGSOFT first released in 2019, which replaces CPCE (dos/windows). This 19th version (fixed) was released the 12th December 2020.

This new version adds hardware rendering, which can be desactivated if it is better without.




A new version of Martine is available (v0.27)

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Martine is an utility converting JPG and PNG images to Overscan screen or window for Amstrad CPC (and Plus series). The last available version is v0.27 which was released today.


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