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21
Hardware / Re: Questions about SymbiFace3
« Last post by gflorez on 2020.July.10. 12:18:47 »
The following great question, before all the other little ones start to come, is: what contains the SF3_EP.INI file?

But before answering thoroughly to that, there is other little question: What happens if the SF3_EP.INI file is not found?

If not found it happens the same that when the file is incorrect(some error is found): The SF3 Rom is injected on the segment 60h, and a minimum 512KB Ram expansion is enabled at A0-BFh segments(this zone can overlap other ram expansions).

Actually, when the SF3.Rom is found, it only draws the SymbiFace3 screen and exits, but on a future it can take control of the Enterprise, install drivers, configure the SF3 and exit.

Another question: Why the SF3.Rom is injected on segment 60h? Because Zozo says that until now it has been a seldom used zone, and because the original EXOS Roms 2.0 and 2.1 only search for Roms on the cartridge zone(04-07h) and on the X0h segments(being X: 0 to F). Newer EXOS Roms modified by Zozo search for Roms on the complete 4MB range.

Now, let's explain what does the SF3_EP.INI.

This is an example of it:

Code: [Select]
************************************************************************************
*      SF3  ENTERPRISE INI FILE                                        
************************************************************************************
*Wifi settings - configure up to 5 access points

WIFI_PASS   =wwwww
WIFI_SSID   =xxxxxxx

WIFI_PASS   =aaaa
WIFI_SSID   =bbbb

WIFI_PASS   =sss
WIFI_SSID   =tttt
 
*WIFI_CONNECT

************************************************************************************
*TMTnet settings

TMTNET_USERID=30XX
TMTNET_PASS=XXXX

************************************************************************************
*Ram settings

EPRAM[8,9]

EPRAM[10-31]
*EPRAM[#08-#1F] decimal or hexadecimal segment numbers can be used if added a #

*EPRAM[#20-#2F] EXDOS Rom zone


EPRAM[#30-#5F]

*EPRAM[#60-#6F] SF3 Rom zone

EPRAM[#70-#F7]

*EPRAM[#F8-#FB] internal 64KB Ram expansion on 128K models


************************************************************************************
*Rom settings

*ROMEXOS_ENA=ON This option is to inject a Rom in 00-03h segments

*ROM[#06]  =SD:strack3.rom
*ROM[#60]  =SD:SF3BOOT.ROM
*ROM[#61]  =SD:SPEMU128.ROM
*ROM[#64]  =SD:epd19uk.rom
*ROM[#66]  =SD:forth.rom

*ROM[#67] =HTTP:www.tmtlogic.com/cyrus.rom
*ROM[#69]  =SD:epnet.rom
************************************************************************************
* Audio settings SYMAMP for symbos audio - options are SYMAMP(MP3A), MP3B and MIDI
 

AUDIO=  SYMAMP
************************************************************************************
22
Display / Re: Strange display problem - recap needed?
« Last post by geco on 2020.July.10. 08:41:10 »
Btw: cutting a bit of the key membrame solved that. I now have all keys up and running :-)
Be careful with next opening, i reached that time few years ago when i could not cut more :D , fortunately since then i have new membrane.
23
Konvertálás / Re: CPC
« Last post by gflorez on 2020.July.10. 07:32:00 »
Ez az információ néhány hónappal ezelőtt bizalmas volt, de szerintem a titoktartásnak már nincs jelentősége.

Még akkor sem, amikor a Pinball Dreams Amiga / CPC átalakításánál nem sikerült megszerezni a Digital Illusions (DICE Electronic Arts) tanúsítását, nem lehetett engedélyt szerezni a szerzőktől (Batman Group) a CPC-ről Enterprise-ra történő átalakításhoz.

Ez a "tolvajok közötti paktum", amelyet tiszteletben kell tartani, legalább egy ideig.....

------

This information was confidential a few months ago, but I think the secrecy no longer matters.

Even when the Amiga / CPC conversion of Pinball Dreams failed to get certification by Digital Illusions (DICE Electronic Arts), it has been not possible to obtain permission from the authors (Batman Group) to make a conversion from CPC to Enterprise.

This is a "pact between thieves" that must be respected, at least for a time .....
24
Display / Re: Strange display problem - recap needed?
« Last post by John Fante on 2020.July.10. 07:16:28 »
@ZoZo: Thank you very much for the explanation. Makes a lot of sense!

I will start by "upgrading" the power supply to a new one (still have not recieved the polarity changer) and keep and eye out for the ePower.

Has any body changed the heat sink on their Nick? Mine was very firmly connected.

Btw: cutting a bit of the key membrame solved that. I now have all keys up and running :-)

 
25
Konvertálás / Re: CPC
« Last post by hege88 on 2020.July.10. 06:45:56 »
Sziasztok!

Sajnos a retro gépparkom nem tudtam még bővíteni a C64/16/Amiga-n túl (anno 64/Amigám volt), mindig kíváncsian
olvasom, nézem a neten,  más platformokra átírt régi kedvenceimet...
Pár napja merültem el jobban az Enterpriseforever oldalon, és meglepődve fedeztem fel, hogy  jópár játék (IK+, IM)
milyen szépen át lettek ültetve, és ráadásul hazai termés.. YT-n láttam, hogy Amstrad-ra milyen gyönyörűen portolva lett az Amiga klasszikus Pinball Dreams, ami sajnos c64-re végül félbemaradt... Nem éreztek benne kihiívást? :lol:

Üdv!
26
Display / Re: Strange display problem - recap needed?
« Last post by gflorez on 2020.July.09. 20:42:57 »
Great explanation, Zozo.

Sorry for being insistent with the external cause. The Enterprise video output was made analogic and  for CRTs, and so, the images we actually see on our LCD monitors are always conversions. You Zozo, logically have sugested making tests with a CRT TV first, because it would show the real image before being converted.

On the near future it will be harder and harder to connect the Enterprise on the TVs that will come. I think that this same problem or similar will arise more frequently.
27
Hardver / Re: Hajdani konfigom...
« Last post by Zozosoft on 2020.July.09. 15:33:15 »
Nagyon klassz lett!
Hármat én is kérnék, de ilyen trükkös verzióban :-) :
És én olyat javaslok, aminél a hang sztereó jackkel a magnó kimenetről jön. Ott nagyobb a jelszint, és így a jel-zaj arány is. (És nem sípol a monitoron a magnó töltés :-) )
28
Display / Re: Strange display problem - recap needed?
« Last post by Zozosoft on 2020.July.09. 13:52:00 »
And I think that most likely the problem is EP related since it comes after 3-5 min. of use. When I turn the EP on there is almost no display problem at all.

@ZoZo. You mentioned a "small inaccuracy in Nick clock.". Is that something that can be fixed?
I thought about the jittering.
First look the internal 12V circuit.
Then the Nick clock circuit, which is use the previously generated 12V.
This is why I guessing about power parts.
It is a well know problem, when something weak at power side, the two half screen start to make a sine dance on the screen.
With a L2 and C43 can adjusted the Nick clock, if the voltages are ok, then these can be used for stabilize the screen.

When the components warmed up, these two complex circuits are little change their frequencies. Especcialy the 12V circuit components near to the two 7805, which are generate lot of heat. And the 12V used by the Nick clock circuit...
On a some machine see the problem, screen start sine dance after few minutes, then used L2 for a fine adjustment, it is solved the problem.
Sometimes see machine if turned on below 20 celsius, start dancing screnn until few minutes warm up. Also fine adjustment solved it.

Another factor the Nick heat shink, especcialy at the 08-04 type Nick chips, which are more sensitive for a heat.

I thought about something similar happen at your machine, just in a minimal size dance, one pixel, or a less. Possible on a real CRT don't see anything, because it is very minimal. But at digital sampling can the minimal differences magnified. If one pixel started little earlier, then it is moved as one full pixel on the screen.

Nice, you find the right setting on the OSSC!

"which may be useful with sources that use off-spec horizontal rate."
IstvanV wrote about the Nick freq:
For the NICK chip, the clock frequency is derived from the PAL chroma sub-carrier (17734475 / 4 Hz), such that one line is exactly 284 cycles of that, which is slightly different from the PAL standard. Thus, the horizontal refresh rate is 17734475 / 4 / 284 = 15611.3336 Hz in theory, instead of the standard 15625 Hz. Although the circuit that generates the clock can be broken in some of the machines, resulting in an inaccurate frequency and "waving" picture or other artifacts.
29
Display / Re: Strange display problem - recap needed?
« Last post by Zozosoft on 2020.July.09. 12:59:08 »
First some of the keys did not work and after a couple of tries to fix it now A LOT of the keys do not work. I am trying to find a new ....
Usually need to cut few mm-s at the connection.
If not successfull: Then the Enterprise Club in Hungary made some membranes, write to Tutus about it.
30
Display / Re: Strange display problem - recap needed?
« Last post by John Fante on 2020.July.09. 12:40:01 »
I found the solution to the problem.

In the OSSC settings you have to turn this on:

Code: [Select]
Allow upsample2x
Controls whether 2x samplerate is used instead of pixel repetition in certain modes, e.g. 384pX2, 480pX2, 480iX3, 480iX4, 960iX2.

On: 2x samplerate is used to double output horizontal resolution, which may be useful with sources that use off-spec horizontal rate. Alternatively, the option can be used to generate slightly more analog-esque (i.e. less pixellated) picture.
Off: Pixel repetition is used to double output horizontal resolution, which regenerates source image most faithfully if sampling matches dot clock. [default]

So as gflorez suggested it had something to with the horizontal resolution.

Unfortunately I messed up my keymembrame :oops: when I opened the machine to check the cooling on Nick. First some of the keys did not work and after a couple of tries to fix it now A LOT of the keys do not work. I am trying to find a new .... Until then I can not really use the machine :smt013
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