Zxgp32 Beta 5

[Dave18]

ZXGP32 now has an ASM AY-3-8912 core as well as a Z80 one . I expected it to take longer to write (debug at least), else I would've waited with Beta 4.

48K games still run at 66Mhz, but you will probably need to bump it up to either 80 or 120Mhz for 128K games. There is probably some room for optimisation though.

Get it here: http://mysite.wanadoo-members.co.uk/daves_...ds/ZXGP32B5.zip

 

[dr.no]

Excuse my noobance, but which games can I actually play with this emulator?

Take the following site as an example:
http://www.worldofspectrum.org/bestgames.html -> http://www.worldofspectrum.org/infoseek.cg...+Software$

I can choose between

• (Perfect TZX tape image) Original release
  ((non-TZX) TAP tape image)
  (Perfect TZX tape image) Re-release

Which one should I preferably pick and why? Do TAP images work as well? Are Re-releases usually better (bugs fixed and whatnot)?
And is all I have to do to put them in the ROMS folder?

Anyways, thanks for your work. Great to see this update.

 

[Dave18]

The TZX format preserves the original tape loader system of the game and therefore there may be a separate file for each different release of a game if it used a different loader. TAP images are based on the standard spectrum loader so they'll only usually be one TAP file for a game.

TAP files are not too difficult to implement because you can use a trap in the ROM to detect a load, load the data in and then get the ROM to do the work decoding it.

ZXGP32 doesn't support TZX format, mainly because it looks really difficult to implement so I've shied away from it.

I may add support for standard TZX loaders but probably not custom loaders, or at least it will be one of the last things I do.

At the moment ZXGP32 supports .TAP, .SNA and .Z80 files. Most games are available in one of these formats and if not then you can always convert the files either using another emulator or there's bound to be a TZX to TAP converter out there (not that I've looked).

 

[blondin]

Great Emulator with sound.
But most of demomaking stuff don't work (Rlyeh ZX Emu run someone)
try some ".tap" at http://www.zxdemo.org ("get up" or "dies irae")

Sorry for this poor coment.

 

[Dave18]

Great Emulator with sound.
But most of demomaking stuff don't work (Rlyeh ZX Emu run someone)
try some ".tap" at http://www.zxdemo.org ("get up" or "dies irae")

Sorry for this poor coment.

​

Yeah, I know it is not completely accurate. The emulator is designed to make spectrum games as enjoyable as possible, but without hammering the batteries. I've sacrificed precise ULA cycle timings, contended memory etc for speed as I'm not personally interested on watching spectrum demos on my GP, but just want to play games. If you want accuracy then you're best sticking to Rlyeh's emu.