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