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#1 11-04-2021 19:21:57

chema
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Registered: 14-08-2019
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About ROM version 2.0

Hi all.

I hope everyone are well in these pandemic times.

Questions about ROM version 2.0

- Alwais is possible to update from 1.91 to 2.0?.

- What advantages does it bring compared to v. 1.91?.

- Is it only necessary to change the EPROM ROM2 (A000h-BFFFh) or anhoter one also?.

- The correct md5 of A000h-BFFFh ROM is: E7E81A51E3B336EB7D7F55123949E877 ?.

My NewBrain resurected in 2011 is: Model AD UK, 32KBytes RAM, ROM 1.91, s/n 619161 /GDS.

Best regards, thanks in advance.

Chema

 

#2 13-04-2021 00:32:28

kluder
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Location:  : Hedehusene, Danmark
Registered: 24-04-2009
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Re: About ROM version 2.0

Hi
You should be able to change the ROM version, but you must change all EProm except Char EProm pos 453.

Greetings
Klaus


use google to translate
 

#3 14-04-2021 17:07:10

cdesp
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Location:  : Kilkis, Macedonia, Greece
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Re: About ROM version 2.0

The Roms that change in each version are the AB and the EF the CD is always the same.
Depending on the Machine you have those could be in seperate Eproms or all together.
In the emulator when you select version 2.0 rom the following files are used:
SERIES2.A#B
cd.rom
SERIES2.E#F

Hope this helps.

 


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