ULA 128E 3 Test - redcode/ZXSpectrum GitHub Wiki

Author: azesmbog

Release date Links Download
2012-10-10 (provided by the author) Discord post tap (hosted) - zip (Discord post)
2012-10-07 (provided by the author) Discord post tap (hosted) - zip (Discord post)

Description

Important

The 2012-10-10 version has a bug and when loaded on a real machine, or emulator using normal loading instead of flash loading, there is a 25% chance of displaying an incorrect image.

Expected results

Zilog NMOS
img
Zilog CMOS
img

Results on real hardware

2012-10-10: ZX Spectrum +2A (ES, CPU Zilog, SN S039755)

Tested by ICEknight

128K mode

https://www.youtube.com/watch?v=nhwXkP58B04

img

2012-10-10: ZX Spectrum +3 (ES)

Tested by Marta Sevillano Mancilla

Displaying a correct screen (75% chance)
img

Displaying an incorrect screen (25% chance)
img

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