Excellent news, Matt. I am glad that you stuck to it. Only sorry that we did not get you UMDK to use in good time.
Best of luck with it and I hope you reach the Kickstart Goal.
Cheers.
Search found 484 matches
- Wed Nov 16, 2016 10:54 pm
- Forum: Announcement
- Topic: Tanglewood - now on Kickstarter!
- Replies: 19
- Views: 31292
- Wed Nov 16, 2016 10:44 pm
- Forum: UMDK
- Topic: UMDK manufacturing: new RUN of testers! 5 more kits aviable!
- Replies: 16
- Views: 20597
Re: UMDK manufacturing: new RUN of testers! 5 more kits aviable!
We were going to get a batch made, I made some enquiries and the guy in the UK completely wasted our time. If anyone knows a reputable company who could build these for a small batch then we can go with that. I have been out of action myself and had have to undergo some physio-therapy and the issue ...
- Sun Oct 02, 2016 10:30 am
- Forum: Tools
- Topic: 68000 instruction timing from source?
- Replies: 14
- Views: 15548
Re: 68000 instruction timing from source?
I began work on a similar tool some time ago. You need to essentially execute the loops and account each time. I have not looked into it but it would make sense to look at Starscream for ideas.
- Tue Jun 21, 2016 9:34 am
- Forum: SGDK
- Topic: [C preprocessor] generating "mirrored" functions
- Replies: 3
- Views: 3231
Re: [C preprocessor] generating "mirrored" functions
Hi, your best bet is to implement your state-machines using the table method. It does not look like you are aware of it - have a look into it but if you cannot find anything useful then I will dig out an example. Also look up 'hierarchical state-tables' too as the method is the same. Using the SM ta...
- Sun Jun 19, 2016 7:10 am
- Forum: Megadrive/Genesis
- Topic: Infinite scrolling maps/scroll plane "edge" DMA
- Replies: 15
- Views: 13085
Re: Infinite scrolling maps/scroll plane "edge" DMA
No compression at all?! Have you not got a ROM size limit in mind? To be honest, I haven't really sat down to work out how much I want to spend on the ROM size but I make things take up as little space as possible to give me breathing space for later on. I have no knowledge of compression at all. I...
- Sat Jun 18, 2016 5:47 pm
- Forum: Megadrive/Genesis
- Topic: Infinite scrolling maps/scroll plane "edge" DMA
- Replies: 15
- Views: 13085
Re: Infinite scrolling maps/scroll plane "edge" DMA
I'm doing pretty much that - stream in one screen's worth of data at the start of the level, then only work with the delta row/columns after that. Ensure that your camera's velocity can't exceed more than one tile or that you have the bandwidth spare to keep up. I update with deltas too using caref...
- Fri Jun 17, 2016 9:06 pm
- Forum: Hardware
- Topic: GBS-8220 fuzzy and green
- Replies: 7
- Views: 12271
Re: GBS-8220 fuzzy and green
I've tried pressing down on each chip in turn, and bending the board slightly, but no change in the signal at all. I'll fetch out the Gamecube and give it a whirl. There's probably some people at work who might have some gear, a few are into robotics. Ok, but from the photo you took I can see that ...
- Thu Jun 16, 2016 1:12 pm
- Forum: Megadrive/Genesis
- Topic: Aggregating Community Research
- Replies: 12
- Views: 14392
Re: Aggregating Community Research
No worries at all - life gets in the way sadlyNemesis wrote:Sorry, as you might have noticed I've been pretty well absent from SpritesMind (and pretty much everywhere else) for the past year or so, just getting back into the swing of things now.
- Thu Jun 16, 2016 6:52 am
- Forum: Megadrive/Genesis
- Topic: Aggregating Community Research
- Replies: 12
- Views: 14392
Re: Aggregating Community Research
The forum thread Nemesis started with his findings from logic analyzer work is the first thread linked in the VDP section. He also posted some information in the next thread listed. The last thread in the list was also started by Nemesis. Are you referring to a document besides those? Yes, I had he...
- Wed Jun 15, 2016 9:36 pm
- Forum: Megadrive/Genesis
- Topic: Aggregating Community Research
- Replies: 12
- Views: 14392
Re: Aggregating Community Research
Is the VDP doc that Nemesis wrote online any where? Plus, it is a good idea to add Charles' VDP doc here too e.g. here:
http://emu-docs.org/Genesis/Graphics/genvdp.txt
http://emu-docs.org/Genesis/Graphics/genvdp.txt
- Wed Jun 15, 2016 6:32 pm
- Forum: SGDK
- Topic: programming noob, hi forums! Advice please!
- Replies: 17
- Views: 11439
Re: programming noob, hi forums! Advice please!
I shall not go through your comments as you have not gone through mine and see now value in repeating myself. Cero already addressed you comments and i just agreed with them so i saw no reason of repeating him. But given this : I shall say it boils down to design. If you can write better C code tha...
- Wed Jun 15, 2016 2:23 pm
- Forum: SGDK
- Topic: programming noob, hi forums! Advice please!
- Replies: 17
- Views: 11439
Re: programming noob, hi forums! Advice please!
I shall not go through your comments as you have not gone through mine and see now value in repeating myself. I shall say it boils down to design. If you can write better C code than you can Assembly code, Stef that simply tells me that you have not done enough Assembly. There may well be a differen...
- Tue Jun 14, 2016 7:51 pm
- Forum: SGDK
- Topic: programming noob, hi forums! Advice please!
- Replies: 17
- Views: 11439
Re: programming noob, hi forums! Advice please!
Edit: there are some good points raised here: https://www.quora.com/Why-did-C-replace-assembly-as-the-principal-game-programming-language-by-the-mid-1990s It is kind of worth nothing too that up to the 16-bit machines it was still possible for a human programmer to write better code than a Compiler ...
- Tue Jun 14, 2016 6:15 pm
- Forum: SGDK
- Topic: programming noob, hi forums! Advice please!
- Replies: 17
- Views: 11439
Re: programming noob, hi forums! Advice please!
TBH, the reason for 98% of them being in asm is that compilers in 1990 sucked. You now have access to the latest gcc, so little reason to write asm unless you hit performance bottlenecks. Not at all, the MD is very low end hardware. I cannot for the life of me think that GCC has improved that much ...
- Tue Jun 14, 2016 5:00 pm
- Forum: Hardware
- Topic: GBS-8220 fuzzy and green
- Replies: 7
- Views: 12271
Re: GBS-8220 fuzzy and green
Hi Matt, I am not sure what schematic you have for your connections but I found that if you set the resolution to anything other than 1360x768 it will fail for me too. My settings are as in the photos below: http://s31.postimg.org/z3tabroqz/IMG_4569.jpg http://s31.postimg.org/4nryrdsln/IMG_4570.jpg ...