Hobby computer ZX Evolution!

WARNING! ZX Evolution sold and supplied by Vitaliy tetroid@inbox.ru.

Hobby computer ZX Evolution is Spectrum-compatible, but has some extension and use modern peripheries.

Design:

hardware: Vadim Akimov (LVD), Roman Chunin (CHRV), Dmitry Dmitriev (DDP).

software: Vyacheslav Savenkov (Savelij).

Features:

Z80 3.5 MHz (classic mode)/ 7 MHz (turbo mode without CPU wait circles)/ 14 MHz (mega turbo with CPU wait circles);

4 Mb RAM, 512Kb ROM;

MiniITX board (172x170mm), 2 ZXBUS slots, power ATX or +5,+12V;

Based on fpga (Altera EP1K50);

Peripheral MCU ATMEGA128;

PS/2 keyboard and mouse support;

Floppy (WDC1793) Beta-disk compatible interface, IDE (one channel, up to 2 devices on master/slave mode), SD(HC) card, RS232;

Video out: RGB, VGA (scandoubler);

Sound: AY, Beeper, Covox (PWM);

Original keyboard and joystick support;

Tape interface (in/out);

Real-time clock.

List of monitors tested for compatibility with ZX EVolution is here.

Test program for monitors is here.

Documentation:

Forum is here .

Principal scheme (revision C) is here.

Montage scheme (revision C) is here.

Bill of material (revision C) is here.

User guide (revision C) is here.

Hardware source (revision C) here [PCAD2002] (not used for commercial purposes).

Prices: here.

Configuration and MCU ROM's:

Name Version Description Documentation Files SVN EVO RESET SERVICE

EVO DOS

EVO PROF 0.55b

0.37

0.16 ZX service ROM for ZXEvo onboard ROM

Flash via previous version or TEST&SERVICE configuration.

Author: Savelij . evo_reset_service.pdf evoreset055b.zip zxevo.rom BASECONF 2014.04.13 Base configuration from NedoPC.

ATMEGA128 MCU base configuration.

Flash via BOOTLOADER.

Authors: CHRV (ATMEGA128), LVD (EP1K50QC208) . zxevo_base_configuration.pdf baseconf20140413.zip zxevo_fw.bin BOOTLOADER 2012.01.24 Bootloader for ATMEGA128 MCU.

Flash via hardware programmer.

Author: DDp . zxevo_firmware_update.pdf bootloader20120124.zip zxevo_bl.hex zxevo_bl.e2p read_me.txt TEST&SERVICE 2016.01.04 Test and check ZXEvo. Useful tool for users whose solder board by itself.

ATMEGA128 service configuration.

Flash via BOOTLOADER.

Author: DDp . zxevo_testservice_eng.pdf

zxevo_testservice_flash_eng.pdf testservice20160104.zip zxevo_fw.bin

Sources mirror (SVN) accessed from ZXEVO.RU.

Last tests versions of firmware from ZXEVO.RU:

Alternative ROM's:

WARNING: These ROM's not designed in NedoPC. Please any questions mail to authors. NedoPC not support ROM's from other authors.

Name Version Description Documentation Files ZXEVO TS "ZXEVO TS" configuration of ZxEvo support sprites, other extended video modes and have original memory manager. Some utilities, games and other tools created for this configuration. About configuration. FAQ Installation. ScorpEvo 6.1 (05.11.2011) Scorpion Evolution (ScorpEvo) compatible with Sergey Zonov's «Scorpion ZS 256 turbo+». scorpevo.pdf scorpevo061.zip

History:

Revision C:

Changes:

Board size is miniITX (172x170mm);

Remove onboard PAL-coder;

Add AY-printer interface;

Add controll of frequency multiplier;

Add audio in (total 3 audio in);

Use CPU Z80 in QFP;

Remove RGB connector (connect via VGA);

Add RS232-USB bridge;

Remove AT power connector;

Add connector for PAL coder.

Revision B:

Changes:

Correct PS/2 connectors pattern;

Correct ОЕ on ICS501;

Increase 78M05 pattern;

Add jumper for disabling 12V on slots;

Correct ATX power connectors pattern;

Increase ferrites pattern;

Decrease boards sizes;

Remove jumper for enabling MCU programming;

Correct 4148 pattern;

Add ZXBUS 1st pin direction;

Correct WD1793 reset;

Correct FDD pattern (add key pin);

Add texts to board ("HDD Led", "PWR Led", "ZX Keyboard/ZX Joystick", "Slot1", "Slot2");

Correct location of VGA connector.

Principal scheme (revision B) is here.

Montage scheme (revision B) is here.

Bill of material (revision B) is here.

User guide (revision B) is here.

Revision A:

First version.

Principal scheme (revision A) is here.

Montage scheme (revision A) is here.

Bill of material (revision A) is here.

Main page.

Email: nedopc@mail.ru, nedopc@yandex.ru.