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Posted by: hanso

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Hübler/Everts-System

 Hübler/Everts-System

A development system, described in the book:

 

Bernd Hübler/Klaus-Peter Evert
Ausbaufähiger Microcomputer mit dem U 880
Militärverlag der DDR, 1985
electronica 227/228

Short description of the U 880 development system described in this book: 
CPU U880 (a Z80 clone made in the GDR)
ROM
0000-E7FF 58K RAM
E800-EFFF 2K video interface
F000-FBFF 3K Monitorprogram
FC00-FFFF 1K RAM CPU 
Clock 2,5 MHz (or 2,4576 MHz) 
Screen 64x24 chars, 5x7-character
Keybaord
I/O  
Software Monitor + source, RAM-Test

German website (with source files)

Emulator of this and many othe DDR systems

Scan of the book (by Joseba Epalza)

Files with sources and remarks addendum

© Copyright Hans Otten, 2007
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