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Thanks! Perhaps you could help with my 'flickering' video fault?

viewtopic.php?f=5&t=71&st=0&sk=t&sd=a&start=10

...displaying a rather poor quality green screen display with no colour mmm, green?, can you see a B/W image?... it should be B/W. I have removed the LM1889 in my Dragon 64 and I can see a perfect clear image. However, the D64 video amplification stage is different to the D32 video amplification st...

This has been mentioned before, but Steve Woolham's enhanced D32 ROM v2.1is the best for this as it gives you the option to disable DOS every time the machine is switched on or cold reset.

viewtopic.php?f=7&t=89

Thanks Rinconete!

Thanks for the feeback, but the problem is that cutting the track shown on the circuit diagram does not result in a clear b/w display.

I have got cartridge and cassette versions of AstroBlast and Ghost Attack by Dragon Data, and they all appear to be authentic.

Here's Ghost Attack for the archive. Two cassette (.cas) versions are attached. One is by Dragon Data, the other by Microdeal. Although this game is already in the archive, the 'Microdeal - Ghost Attack.cas' file won't load into XROAR, and the 'Dragon Data Ltd - Ghost Attack [exec].wav' file is a ha...

Here's the cassette version...

You can test a lot of these out in emulation first if you can get hold of some ROM images (ftp.rtsi.com is a good start). Even "Typing Tutor" seems to work on a Dragon - poorly, as it's calling the ROM to read the keyboard, and the scanning routine in the Dragon's ROM is inferior for some reason. E...

heatsink128 wrote:Well PRINT MEM gives me 8467

That should be 8487 bytes. Typing 'POKE25,6:NEW' at the command prompt should give you 14631 bytes.