Search found 32 matches

by syboxez
Sat Oct 13, 2018 1:11 pm
Forum: SNESdev
Topic: Introducing the VeriSNES (FPGA-based SNES)
Replies: 307
Views: 161173

Re: Introducing the VeriSNES (FPGA-based SNES)

retrorgb wrote:Wow, thank you! Too bad about the Jag! I wonder if it's powerful enough to run a SNES core as well?
Yes it is. The Super NT's FPGA is approximately half the size of the one in the MiSTer, and VeriSNES has already been ported to the MiSTer: https://www.youtube.com/watch?v=7ae5iUe8diY
by syboxez
Sun May 27, 2018 11:01 am
Forum: SNESdev
Topic: bsnes-mcfly: The v073 and bsnes-classic killer
Replies: 180
Views: 104001

Re: Is AWJ still in the scene? Regarding bsnes-classic

It's pointless to debate the game folders thing any longer. bsnes v107 won't require game folders, and won't import them behind the scenes. It's all done in memory. You can also control the paths for saves, states, cheats, patches, etc. Your games can be SFC or SMC, with or without copier headers, ...
by syboxez
Mon Apr 23, 2018 10:43 pm
Forum: SNESdev
Topic: Why no SNES homebrew scene?
Replies: 435
Views: 119111

Re: Why no SNES homebrew scene?

Fortunately, there's a sound chip built for those who love to cheat: the S-DSP in the Super NES. I'd eventually like to move to making sampled music (especially seeing as how I want to make a SNES game in the long term future), but for now I'm expanding my musical "talent" (very strong double quote...
by syboxez
Mon Apr 23, 2018 6:12 pm
Forum: SNESdev
Topic: Why no SNES homebrew scene?
Replies: 435
Views: 119111

Re: Why no SNES homebrew scene?

I mean, if you're going to include that, you have to include the SuperNSF playback engine that mixes MODs using the 2A03's sample channel and also plays normal sequence data using the other four channels. I'm not thrilled by adding softsynths to either console, but they do both have ones. I would c...
by syboxez
Mon Apr 23, 2018 5:53 pm
Forum: SNESdev
Topic: Why no SNES homebrew scene?
Replies: 435
Views: 119111

Re: Why no SNES homebrew scene?

Both of them beat the pants off many prior PSG chips like the AY or that even more limited chip in the SMS. NES' 3 duties is already way better than square only. I prefer the variety of the SID's voices myself, but I can also appreciate the 2a03's qualities... just point me in the direction of its ...
by syboxez
Mon Apr 23, 2018 4:03 pm
Forum: SNESdev
Topic: Introducing the VeriSNES (FPGA-based SNES)
Replies: 307
Views: 161173

Re: Introducing the VeriSNES (FPGA-based SNES)

Uh.... The original 5C78 has exactly the video bandwidth that Nintendo intended it to have. Sharp chunky pixels wouldn't have even been visible in the displays you could buy at the time. Several SNES games explicitly took advantage of the limited bandwidth to cause color blending (e.g. Kirby's Drea...
by syboxez
Mon Apr 23, 2018 3:46 pm
Forum: SNESdev
Topic: Introducing the VeriSNES (FPGA-based SNES)
Replies: 307
Views: 161173

Re: Introducing the VeriSNES (FPGA-based SNES)

If you have to use something on the expansion bus to emulate the PPUs in lieu of the original video output, you're arguably no longer getting any video out of a real 3CHIP at all. Why not just sell/buy an entire clone console at that point? (To clarify: the only relevant signals that exist on the e...
by syboxez
Mon Apr 23, 2018 3:08 pm
Forum: SNESdev
Topic: Introducing the VeriSNES (FPGA-based SNES)
Replies: 307
Views: 161173

Re: Introducing the VeriSNES (FPGA-based SNES)

I could think of a good use for this for use in a product that isn't satisfied. The older SNESs had pretty terrible RGB video output due to internal issues in PPU2's analog output. If possible, a device that would emulate PPU2 (and PPU1 as well if needed) that plugs into the mostly unused expansion ...
by syboxez
Tue Mar 13, 2018 8:13 pm
Forum: NES Hardware and Flash Equipment
Topic: Silicon images of SNES' S-SMP
Replies: 1
Views: 2536

Re: Silicon images of SNES' S-SMP

I found a decap of the integrated S-APU from the 1CHIPs if that would help: http://siliconpr0n.org/map/nintendo/s-apu/mz_ns20x/
by syboxez
Sat Mar 10, 2018 5:12 pm
Forum: SNESdev
Topic: Catridge using msu1
Replies: 8
Views: 4264

Re: Catridge using msu1

This should get you started if you know Verilog: https://github.com/mrehkopf/sd2snes/blo ... snes/msu.v
by syboxez
Fri Mar 09, 2018 3:48 pm
Forum: SNESdev
Topic: Catridge using msu1
Replies: 8
Views: 4264

Re: Catridge using msu1

You'd have to emulate it using an FPGA or a CPLD. You may be able to use a modified version of the core from the SD2SNES as a start.

An alternative might be to use software emulation on a cheap ARM core to emulate the chip on a cartridge.
by syboxez
Fri Aug 11, 2017 3:44 pm
Forum: SNESdev
Topic: Why no SNES homebrew scene?
Replies: 435
Views: 119111

Re: Why no SNES homebrew scene?

I don't know what I need to know and what order to learn about it in. I need some sort of starting place that I could work myself up from there. tepples has an example code on his website. https://pineight.com/snes/ And baz's tutorials on the superfamicom wiki. I also recommend ca65. The .SMART fea...
by syboxez
Thu Aug 10, 2017 12:50 pm
Forum: SNESdev
Topic: Introducing the VeriSNES (FPGA-based SNES)
Replies: 307
Views: 161173

Re: Introducing the VeriSNES (FPGA-based SNES)

It's not even that I'd release them, it's that the corrected emulation would appear in higan, and some hypothetical company could use that information I guess? That's correct. I'd have no problem trusting you not to release them but since your code is open source that could be a problem I'm struggl...
by syboxez
Wed Aug 09, 2017 10:45 pm
Forum: SNESdev
Topic: Why no SNES homebrew scene?
Replies: 435
Views: 119111

Re: Why no SNES homebrew scene?

What do you want to know about first? That's my exact problem. I don't know what I need to know and what order to learn about it in. I need some sort of starting place that I could work myself up from there. First, get the hell away from WLA. :lol: I've heard many negative things about WLA. Is it j...
by syboxez
Wed Aug 09, 2017 5:31 pm
Forum: SNESdev
Topic: Why no SNES homebrew scene?
Replies: 435
Views: 119111

Re: Why no SNES homebrew scene?

I've been wanting to get into SNES development for a while now, but really don't know where to start. I know x86 assembly fairly well (enough to write some functions in ASM for use in C code and to have an understanding of how to structure and write ASM code) and have learned most of the commonly us...