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USIfAC ii Direct Load games

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ikonsgr:

--- Quote from: Devlin on 14:58, 10 June 21 ---(due to what i'm assuming is not-quite-perfect DSK emulation)

--- End quote ---
Let me assure you that this is most certainly a wrong assumption!
ALL dsk images in the direct file list, are tested and work on a CPC 6128! So, if you tried a dsk image on a cpc 464 and it doesn't work, then most certainly, this is because ,either  game needs 128k or the game was made "exclusively" for "disk equipped" amstrad models (CPC 664/6128). And as we already discussed, this had to do with the minor differences in "internal working" of amstrad 6128 and 464 + the different Basic version (many games used basic loaders and some might not work under cpc464 basic 1.0)
Let me also note that, the "DSK emulation", which is actually a "low level" 765 Floppy Disk Controller emulation, can handle almost any kind of dsk image, except for some copy protected images! And this is validated by thorough testing of 100's of dsk images!
So, although "not quite perfect" , i'm pretty sure that the VAST majority of dsk images can be perfectly used with usifac ii!  ;)


p.s. very admirable project with a truly a community spirit! And it will surely help many other CPC464 owners to have a better and easier experience!  ;)
 

Devlin:

--- Quote from: ikonsgr on 19:12, 10 June 21 --- p.s. very admirable project with a truly a community spirit! And it will surely help many other CPC464 owners to have a better and easier experience!  ;)
--- End quote ---

I appreciate the encouragement! It's a big project, but ultimately will improve the experience for a lot of usifac2 users in the future, I hope.


I would love to see a 464 compatibility list for DSK images though, it would also be a big help for those wanting to use DSK for that sweet sweet accuracy :)

ikonsgr:

--- Quote from: Devlin on 19:37, 10 June 21 ---I would love to see a 464 compatibility list for DSK images though, it would also be a big help for those wanting to use DSK for that sweet sweet accuracy :)

--- End quote ---

 Well, for that,i could be of help, as i already tested some dsk images with cpc464. Ofcourse this is not a preferable way of loading a game in cpc464, as it requires emulation of both AMSDOS/PARADOS ROM and 765 FDC controller, resulting in a rather slow loading speed (~20%-30% slower of an actuald disk drive).
IMHO, the best alternative of loading games on cpc464 would be using snapshots, as they offer the same super fast loading speeds! Also, compatibility should be rather high too (only 128k games should not run). Ofcourse, snapshots  have the restriction of not supporting all games that require "in game" file loading. But, the good thing is, that you can always load a game you want on an Amstrad emulator, take a snapshot, and then use the sna file to load it directly on a cpc 464!  ;)

Devlin:
I found another version of Elite that works on 464 in usb direct-load...

What's interesting about this though is that LOADING *AND* SAVING work.

Find attached the files and excuse me I have some space trading to do.

ikonsgr:
Great! I replace previous version with this one!
I've also make a small test of the few games in dsk image form in the list:
Arkanoid 2:     ok
Gauntlet 2:      ok
Supercars:      ok
sorcery plus:   ok
Dizzy IV magicland: ok
Orion prime: needs 128k
subhunter   :needs 128k
pinball dreams: needs 128k

finally, the 3 multi dsk image games turbo out run, outrun europa and xyphobes obviously need 128k too. So as it seems, all games in dsk form in the direct list (except those needed 128k) are working on a cpc 464 . I suppose you can use the above to update your excel  :)

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