icaros desktop – Janus-uae coherency guide

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This applies to all version of Icaros starting from 1.5.2

What is coherency ?

Cohenrency is a mode that exists only in Janus-UAE. It allows opening UAE windows directly on the top of Wanderer, as if they were normal programs, and not emulated. So the emulation is almost transparent for the user.

Janus-UAE tip&tricks :

Read this first : https://sourceforge.net/projects/janus-uae/files/janus-uae/janus-uae%20v1.4/ (download and extract the archive, it contains a “coherency guide” to help understanding and configuring janus-uae as a service for icaros).

Coherency mode, when 68k runs transparently on top of Wanderer

First : you must “integrate Amiga Forever”, or at least integrate sys, work and rom directory.

Second : after the copy script you need to launch “Screenmode” from the Amibridge menu. It opens a window with amiga os running, with screenmode prefs program. You must choose the same resolution than your wanderer.

Get out, close iconX window.

If janus-uae stays blank (gray), read this article : janus-uae windows stays blank

Third : you launch “Workbench”. You’ll see your amiga emulated window having a weird position… You must : ctrl-alt-j to open janus-uae parameters window. Click “Stop”.

In “Display”, choose “full screen”, “correct aspect”, and select an “Aros screen resolution” which is the same as your wanderer. Click Start.

In the emulated Workbench file menu, unclick “backdrop”. Make the Workbench Window containing only the disks icons, then “snapshot all”.

Fourth : ctrl-alt-j to open janus-uae parameters window again. In integration, put “coherency” on “enabled”. The Amiga OS 3 windows should appear in top of Wanderer.

Fifth : If you are happy with it, you can now make it permanent.

The end of this tutorial is below, please show me your support in registering ! you’ll then be able to access all the articles, and all the free downloads !

Stop janus-uae.



At the end of the file modify the line :

jcoherency = false


jcoherency = true

Then run janus-uae and untick “Full Screen” & “Correct aspect”. Save.

Close janus-uae, and re-run it.


Enjoy !

Do not :

Choose to launch Amibridge at startup, it often crashes…

Author: jess

for a long time amiga, aros & demos lover and musician (linux musician, drummer, modules in protracker and octamed, recording and mastering in ardour)