Strange issue on real HW

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Par ARTRAG

Enlighted (6190)

Portrait de ARTRAG

11-04-2015, 18:39

Is there anyone willing to test this rom on a real msx 2 ?

It works on emulators but it hangs on my msx TR.
I have no clue on what it goes wrong but I suspect it is writing in vdp mode registers (0,1,8 and 9) unwanted data.

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Par ARTRAG

Enlighted (6190)

Portrait de ARTRAG

12-04-2015, 11:14

I had the same result disabling the code in the isr for vblank
so the issue has to be on line interrupt code

Par PAC

Guardian (5183)

Portrait de PAC

12-04-2015, 19:09

I'll try it asap. Awesome smooth scroll for screen8 BTW. Wink

Par Meits

Scribe (5441)

Portrait de Meits

12-04-2015, 23:22

Checked it on Turbo R st and HB-F1XDJ.
Turbo R crashed as expected.
HB-F1XDJ played music on a black screen.

Can try on FS-A1WX and NMS 8250 (with and without 2+ and other expansions) if you want to. Have to do some moving for that...

Par ARTRAG

Enlighted (6190)

Portrait de ARTRAG

13-04-2015, 07:24

Thanks for testing
I would like to know what does the rom do on a plain msx2 with v9938 even if I do not expect anything different. ..
I still am clueless

Par Rataplan

Master (214)

Portrait de Rataplan

13-04-2015, 08:46

On my bluemsx 2.8.2 it crashes on all setups I've tried. TurboR seems to get a few frames further but still hangs, MSX2+, MSX2 (several models selectable like german / japanese) all crash after about 1 second. I'm not sure what exact type each default BlueMSX type emulates though.

Par mars2000you

Enlighted (5480)

Portrait de mars2000you

13-04-2015, 11:48

You shoul re-install blueMSX, because it should work without any problem in the emulator. Anyway, as Artrag has precised it, the problem happens only on real hardware, so it means that something is not yet emulated.

Par gdx

Prophet (2869)

Portrait de gdx

13-04-2015, 14:31

BlueMSX is a magic emulator. It runs the games that should not work.
This is a real problem for debugging.

Par mars2000you

Enlighted (5480)

Portrait de mars2000you

13-04-2015, 14:45

In this case submitted by Artrag, openMSX is also a magic emulator !

Par Rataplan

Master (214)

Portrait de Rataplan

13-04-2015, 15:33

@mars2000you
I don't install BlueMSX, I just use the ZIP file, and have it on a share to be able to run from more clients. I found the issue in my case though. I have BlueMSX emulation configured at 60Hz. That makes it crash. When set to auto or 50Hz it works fine. That might be the issue with TR as well, aren't they always running at 60Hz?

Par mars2000you

Enlighted (5480)

Portrait de mars2000you

13-04-2015, 15:51

@Rataplan : on my system, it does not crash on MSX2+ or TurboR and I use the emulation in Auto Mode for the VDP frequency (automatically 60 Hz for Japanese machines). As you use the ZIP version (unzipped, I guess), I recommand to clean the SRAM sub-directory (delete all files) and to delete the bluemsx.ini file before starting again the emulator.

Besides, as indicated in the manual, using 50 Hz or 60 Hz modes in stead of Auto mode can have unexpected effects. So, it's not recommended, but sometimes useful (example : the IO demo, because the internal switcher to 50 Hz of the demo does not work on blueMSX).

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