Started by llopis, 17:35, 24 February 21
0 Members and 1 Guest are viewing this topic.
Quote from: llopis on 17:35, 24 February 21If anybody has any suggestions or even straight contributions, please let me know.
Quote from: Audronic on 06:55, 25 February 21Ok Is this the correct screen for a Known good working 6128 with Parados 1.2 rom (Internal)
Quote from: Sid_ on 08:03, 25 February 21This diag rom may be installed on the c4cpc ?
Quote from: Duke on 08:09, 25 February 21Maybe include ram C1/C3 page mapping check. Feel free to use any parts of this https://github.com/M4Duke/z80/blob/master/RAM512KB.s
Quote from: Audronic on 08:56, 25 February 21Hi NoelPhotos from CPC6128 Standard rom The id of rom 7 Varies ? 8179 - 2162 at restart (Power up ) I Varies each power up.Keep safeRay
Quote from: llopis on 09:36, 25 February 21Interesting. I see your startup screen is branded Awa. Is that something you did with the links, or was it like that originally? I wonder if your ROMs are very slightly different than the standard English ROMs.I don't see anything about different Awa ROMs here: http://www.cpcwiki.eu/index.php/ROM_List[size=78%]The fact that it's repeating Unknown is normal because it's not able to ID your 0 upper ROM (BASIC) and then as it keeps trying new ROMs in other slots the same one comes up. Which even tells me that your BASIC ROM doesn't have the &80 ID byte that it's supposed to have, because if it did it would skip it in the checks.[/size]Edit: I didn't answer the varying number next to ROM 7 (AMSDOS supposedly). Unless there's a bug, that's supposed to be a CRC16 of the ROM contents. So the fact that it varies is REALLY weird. Especially seeing how the machine is working.
Quote from: Audronic on 13:30, 25 February 21The roms in the cpc6128 are standard roms40015 and 40025The Rom board that I am using is the Bryce LowerRom BoardYes the Number changes each timeRay
Quote from: llopis on 18:15, 27 February 21Hi Ray,If you get a chance, could you dump those ROMs and send them to me? I created a quick program to do that: https://github.com/llopis/amstrad-diagnostics/tree/main/ROMDumpOn a related note, anybody knows who is maintaining the page of Amstrad ROMs in the Wiki? http://www.cpcwiki.eu/index.php/ROM_List I have come across some weird official ROMs that aren't there and it would be nice to make it more comprehensive.
Quote from: Bryce on 19:44, 27 February 21The CPCWiki is a... Wiki. Anyone can maintain or add content to any page they want. What "weird official ROMs" do you have?
Quote from: rpalmer on 22:06, 27 February 21There various different lower ROMs to handle the different keyboard layouts.1. The default UK English/Australian QWERTY layout.2. The French with the AZERTY layout.3. The German layout with accented keys.4. The Spanish layout with different accented keys to the German layout.I think that is most if not all.As for BASIC ROMs there are several notably 1.0 and 1.1. There are several other with patches for fixes to routines and speed up of others.The sign on message is based on the link setting on the motherboard which are used as an index into a table of possible sign on messages types.
Quote from: Audronic on 23:24, 27 February 21Ok I can Dump LOW OKIf I try to Dump 7 The CPC6128 Crashes ?I have included the dump of LOW only
Quote from: Bryce on 11:08, 28 February 21I thought we had all variations dumped and available here: http://www.cpcwiki.eu/index.php/ROM_List
Quote from: Audronic on 23:24, 27 February 21Ok I can Dump LOW OK
Page created in 0.131 seconds with 25 queries.