This is very intriguing, but projects like this rarely get off the ground. Please share more of your ideas of the design details to get the community's interest in this accelerator, and keep us updated.
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Messages - naI
If I see him at the June Commodore Netherlands Show, I can ask him directly.Thanks, I appreciate it!
« on: October 27, 2009, 11:41 PM »
What happened? Just out of the blue like that?
Well, the Master System audio has 4 channels to the SID's 3. And just forget about FM. I'm sure the (64k?) VDC could handle Master System graphics if they were ported. But emulation will not be achievable unless your idea for an adapter includes components from the actual Master System. You would basically need to make an expansion module similar to SuperCPU or the 2600 expansion for Colecovision - and if you need to do that, you might as well just use a real Sega Master System.
...A combo system would be an interesting mod, though.
.1300 LDA #$40 ;switch to ram 1 with allUnfortunately, after I loaded this program numerous times last night, there was no change in behavior. It looks like it just won't work. Is there another register to which I should try loading this? Or would it not matter? Anyway, it doesn't look like RAM 1 makes a difference; I even checked $03F0 in the monitor to make sure the program matched your post.
Have you tried holding down CAPS LOCK when you boot?Yes.
I'd have to go with cursed... do you have some chicken skulls laying around that we could use for a cleansing?Hmm... that's a shame... The idea of malfunctioning memory had occurred to me, but it just didn't make sense, considering that only some programs seemed to be affected. Also, this has only ever happened in 64 mode. I'm certain that plenty of those programs use 64K, but I'm not exactly sure how that works on the C=128 with more total memory and an MMU (so far, I only know a minimal amount of BASIC). I doubt that there's a glitch in the kernel, because, AFAIR, this problem existed both before and after I installed the JiffyDOS kernel replacement.
...Come to think of it.. I must have broken a mirror while the C=128 was in the same room.. But that's just superstition ...right? :O
Good to hear from you, Bil. That's a nice machine you've got there. It's almost like... A Higher Intelligence.
There is graphical corruption (garbage) on the screen during or after loading, depending on the program, that ultimately results in a crash. Elite displays several screens of garbage, when it should display an animated ship coming from a black screen. The results are the same when I use GO64 or start up with the C= key pressed down.
64 mode shows 38911 bytes free.
Wasn't Elite one of those games that was "enchanced" when used in C64 mode of a C128? If so, maybe it uses the VDC memory and you have a VDC upgrade that might cause the problem.As far as I know, it wasn't enhanced. I do know that there is an enhanced hack out there for the C=128, but I have the original. I just recently upgraded my VDC, and this problem existed before I did that. But the C=64 mode uses the VIC and I don't think it has access to the VDC.
Some game programs (most notably, "Elite" :'() appear to be corrupted on my Commodore 128, but work just fine on my friend's C=64c. Using my friend's 1541-II drive doesn't rectify the issue, either. I do not use any fast loader cartridges, and disabling JiffyDOS produces the same results. Just what could be causing this?