OK, time to play with my SCDS.
I cannot take any pictures at the moment because my camera is not very good. Will post images this evening.
But a quick run down on the menu options at the top of the touch screen: -
1) Saver Menu - has options for 4K, 64K, 512K and 2M/4M. My guess is that this menu is used to set the size of the Game Save that is used as temporary space when playing the game, it is set at 512K by default and seems to reset to this on each power off/on.
2) Other Menu - has options for Enable GBA Union, Set SC to Rumble Mode, Display Chinese Name and Save Menu Option. I am not 100% sure on these menu options, but I do know that each of the first three have a check box and that when you select Save Menu Option it saves the settings for these three.
3) Option Menu - has options for ICO Modality (changes icon sizes for ROMs from Big to small to off), File Sort (either by Time or Name), Language (English or Chinese), SD Speed (1x, 2x, 3x, 4x & 5x - defaults to 3x on mine), File Info (used to display further info about the selected file) and About (displays info about MoonShell version etc).
4) Help Menu - displays a list of controls that can be used to do things like pause startup of the OS, change volume, change brightness etc.
So far I have formatted my MicroSD card using both FAT and FAT32, in both cases the OS will boot up without issues.
I copied 42 All-Time Classics to the MicroSD card, in native mode (drag n drop .nds file). When you turn on the DS you are displayed with the menu as above and a list of games which shows the Icon, Game Name and also the games Save File size (64Kb in this case). By highlighting the game with the up and down buttons you can then select the "File Info" option from the menu and it will show you further info on the game selected. In the "File Info" window you get most of the same info as on the actual game select screen, but you also get a button to change the Save Game size manually and also it tells you what the actual Rom file name is on the card.
42 All-Time Classics started up first go and allowed me to fully play a couple of quick games. I then turned the DS off and back on and this time when the OS loaded a message appeared telling me that it was copying Saver to the memory card. This only took a second to do and then upon playing the game again it had all the save information loaded automatically.
Upon taking out the MicroSD card to see what it had saved to the card, it had created a .SAV file named after the ROM that I had been playing. However this does appear to be one issue, when you view the File Info for the NDS file it shows the ROM file name as something like 0583 All~.nds and this is the naming used for the save game file. It would appear that the SCDS does not like long file names for creating the save game, although everything still works as normal which is weird.
Also I can confirm that save games from the SC Lite work with the SCDS.
Sorry, work is getting busy so will have to leave it there until later on tonight. However one last thing Tony Hawkes Downhill Jam does work on the SCDS in native mode.
Cheers,
Ancient_Imhotep