Search found 389 matches

by kenneth
Sun Jun 13, 2021 6:25 pm
Forum: Hardware hacks and extensions
Topic: IJK interface diagrams.
Replies: 106
Views: 59426

Re: IJK interface diagrams.

The first list contains the games that we find on Oric.org, GhostGobbler is the only game that I have modified, it is downloadable here:https://forum.defence-force.org/downloa ... hp?id=2430.
by kenneth
Sun Jun 13, 2021 8:53 am
Forum: Hardware hacks and extensions
Topic: IJK interface diagrams.
Replies: 106
Views: 59426

Re: IJK interface diagrams.

I thought I had a list of patched games on MySilicium website but it was only a dream, here is a summary of what exists for the IJK joystick interface: Already included for all IJK interfaces: Attack of the cybermen Dambuster Damzell in distress Don't press the letter Q Gubbie Playground21 Xenon III...
by kenneth
Fri Jun 11, 2021 5:07 pm
Forum: Demos
Topic: Oric Cinema - watch now full length movie ;)
Replies: 18
Views: 29569

Re: Oric Cinema - watch now full length movie ;)

iss wrote:
Sun Mar 08, 2015 3:57 am
...I tested this release with Oricutron only, probably it will not work with real Oric.
It works. :mrgreen:
by kenneth
Thu May 06, 2021 11:06 pm
Forum: Hardware hacks and extensions
Topic: Oric V23 Modem
Replies: 56
Views: 5662

Re: Oric V23 Modem

I saw the technical data of the usb wire TTL-232R-5V, normally we can connect it directly on the Oric interface the level of the voltage is 5v only. The french Minitel terminal uses this same level voltage. The problem with 0-5v level, the wire to communicate is shorter than the -12, +12v level mode.
by kenneth
Thu May 06, 2021 12:50 pm
Forum: Hardware hacks and extensions
Topic: Oric V23 Modem
Replies: 56
Views: 5662

Re: Oric V23 Modem

The Oric interface uses 5v signals, which makes it compatible with the Minitel device which is why there is no Max242 chip to convert the voltage signals, even if the inputs of the minitel tolerate voltages up to 18v and -18v.
by kenneth
Wed May 05, 2021 10:54 pm
Forum: Hardware hacks and extensions
Topic: Oric V23 Modem
Replies: 56
Views: 5662

Re: Oric V23 Modem

With a DB9 connector on the old PC you have to add a MAX232 chip to make the signals of the Oric interface compatible. (The Max is a "pump" that creates +12v -12v from a 5v power supply). With the "5v" USB cord this is not necessary, the levels of the signals are 0-5v.
by kenneth
Tue May 04, 2021 10:57 am
Forum: General Discussion
Topic: Hardware boxes scans
Replies: 5
Views: 576

Re: Hardware boxes scans

All that remains is to make the polystyrene holder with an insulating foam spray and a terracotta mould. :mrgreen:
by kenneth
Sat Apr 17, 2021 9:59 pm
Forum: Games
Topic: Los Caminos de Galdeon
Replies: 20
Views: 2089

Re: Los Caminos de Galdeon

El juego funciona muy bien! 8)
by kenneth
Fri Apr 16, 2021 11:29 pm
Forum: Technical questions
Topic: Atmos powered SCART lead question
Replies: 5
Views: 693

Re: Atmos powered SCART lead question

If we consider that the Oric's ground is the referential, the psu produces -4v and +5v: the total voltage is 9v, then it is dangerous to connects the both wires like an independant power supply, it will produce a shortcut. However, if only one wire (+5v) is used to feed the Scart plug, that could wo...
by kenneth
Thu Apr 15, 2021 4:19 pm
Forum: Technical questions
Topic: Erebus does not starts
Replies: 21
Views: 1906

Re: Erebus does not starts

Хорошие новости ! 8) 8) 8)
by kenneth
Mon Apr 12, 2021 1:44 pm
Forum: Technical questions
Topic: Erebus does not starts
Replies: 21
Views: 1906

Re: Erebus does not starts

Exactly. 8)
by kenneth
Mon Apr 12, 2021 1:25 pm
Forum: Technical questions
Topic: Erebus does not starts
Replies: 21
Views: 1906

Re: Erebus does not starts

The chip is a 27128 UVPROM with a 16k memory, in this case the Erebus don't work, you must burn an other UVPROM with a ROMDIS pin compatible.
by kenneth
Mon Apr 12, 2021 10:44 am
Forum: Technical questions
Topic: Erebus does not starts
Replies: 21
Views: 1906

Re: Erebus does not starts

I agree with Dbug, there may be a UVPROM instead of the ROM in the Oric.
NB: The pin used by Erebus is /ROMDIS.
by kenneth
Mon Apr 12, 2021 2:25 am
Forum: Technical questions
Topic: Erebus does not starts
Replies: 21
Views: 1906

Re: Erebus does not starts

Without SDCard, Erebus will try to send a "0" SPI code several times without answer, and finally the computer will give a "MEMORY ERROR" message. With a SDCard without TAP files, the computer will erase the screen and will give a "READY" message. If all this happens, that mean that Erebus is ok and ...