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System 80 - Other Guises - HT-1080ZHungary In Hungary these EACA machines were sold in a modified form as the HT-1080Z. There is a website devoted specifically to this variant at http://ht.homeserver.hu/ , from which the photo below is sourced. The site is mainly in Hungarian but there is also a section in English.
Later revisions (series 2) had accented Hungarian characters and modified ROM contents. Also, although the original machine is EACA's product, the expansion unit shown in Attila's website is not. It appears homegrown. The base units may have been imported from Germany, rather from Hong Kong directly. An emulator has been written specifically
for this machine, and can be downloaded from the site mentioned above.
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The
HT1080Z was the second official school computer in Hungary. According
to enthusiast Attila Grósz, initial versions were unaltered Video Genie
I computers relabeled and mounted with an on-board Yamaha/General Instruments
AY-3-8910 sound chip. The I/O port 1FH (31) was the Yamaha register
select, and the desired register contents needed to be loaded to port
1EH (30). This was done either directly in machine code or with
PEEKS and POKES in BASIC. According to Attila, this Yamaha chip
is the same as the one that appeared in the Amstrad and the Atari ST.