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Neurózis
Title:Neurózis
Category:Game/Action
Release Date:
Language:Hungarian
Size:16K
Machine:PAL & NTSC
Code Type:Basic + Machine code
Distribution:Freeware
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Code by:Bozsik, István
Notes:A unique and somewhat Tron-like game. This is a two player version of an earlier program written on the Commodore VIC20. Both players share the same mirrored random scheme of nine numbers to be picked up from 1 to 9, using a continuous line to win.
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Neurózis Title Screenshot

Neurózis Screenshot


Hidden Picture
Both game's author and release date were initially unknown. Nonetheless, the only known release of the game which has come to light, occupies the memory up to $3F40, which is the upper limit of the bitmap area in a Commodore 16.

A quick check into the memory shows that the game actually would occupy up to $25B0, and once run, it modifies the standard ROM character set and copies it starting from $3800, but the rest of the unneeded memory contains the largest part of a bitmap picture. Due of the usage that the game performs as described before, this picture is neither involved in any way with the gameplay itself, nor included as an easter egg.

István Bozsik's profile


That hidden picture of a face reported the name and surname of István Bozsik, and the year 1989.

István Bozsik has been promptly contacted in order to collect more infos about it, and his answer solved the case:
"Of course those two (!) programs were made by me. :-) The self portrait (Önarckép) was written in 1989, as its inscription says. The bitmap was drawn by me using an "airbrush" program I wrote for this purpose only. Then a little program displayed it. I made it for a school event, a few other little programs of mine displayed different animations on the screens. Then, still in that year I wrote Hexaéder and left Plus/4, next year I went on with Amiga and in 1991 I made Hexahedron, the Amiga version of Hexaéder.
The Neurózis was written years before 1989, maybe in 1987 (when many Plus/4 machines were deployed in Hungarian high schools). This was a two player version of the same little BASIC program I've written even before on the 3.5 KB RAM Commodore VIC-20 (or VC-20, for it was Austrian import:-) ).
What could had happened? Maybe we were copying programs, and someone loaded my self portrait, with the bitmap in it, then loaded Neurózis over it, but saved it like it was a full C16 memory program (but for an unknown reason not till $3fff but till $3f40). And that version, somehow, spread. I have not even knew about it. :-)
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