Search found 4 matches

by Petari
Thu Jun 07, 2018 10:18 am
Forum: HARDWARE ISSUES
Topic: Floppy drive issues - SOLVED
Replies: 6
Views: 3707

Re: Floppy drive issues

Or maybe HxC ? Hey rubber_jonnie - any success with 2MB images on Gotek ? I asking because not sure is it possible with Gotek. With HxC is, for sure.
by Petari
Mon Jun 04, 2018 9:25 am
Forum: HARDWARE DISCUSSIONS
Topic: FastRam block copy new commands thoughts
Replies: 4
Views: 2834

Re: FastRam block copy new commands thoughts

Original Atari can access low RAM at address 8, and can access for instance IDE port - what is at other end of 24-bit address range. So, I'm pretty sure, that it can access any RAM area between 0 and $E00000, and ROM too. I did not test is specifically, but that's easy to do. And disabling access to...
by Petari
Sun Jun 03, 2018 9:52 pm
Forum: HARDWARE DISCUSSIONS
Topic: FastRam block copy new commands thoughts
Replies: 4
Views: 2834

Re: FastRam block copy new commands thoughts

I think that this is great idea, and I guess that will not need too much work. Surely can help some SW. Example: Great Giana Sisters on ST without blitter - whole graphic draw is based on block copy. If put level data in Fast RAM, can copy it in this way much faster to video RAM. Yes, I know, you ta...
by Petari
Sun Jun 03, 2018 4:45 pm
Forum: HARDWARE DISCUSSIONS
Topic: Atari ST / TT / Falcon Resolution Timings and Frequencies
Replies: 4
Views: 4165

Re: Atari ST / TT / Falcon Resolution Timings and Frequencies

Of course, timing depends from is Falcon connected to VGA monitor, or to RGB monitor/TV . And in second case depends from used color encoding mode - is PAL or NTSC. So, for some resolutions there are actually 3 timings. You should make separate tables for diverse machines. ST med: 320x480 - what the...

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