Tetris Kiwamemichi (Naomi) - freez 2 player vs mode

[dAn84imola]

Please Note: This form is the minimum required information for submitting bugs.
Removing this form may lead to your issue being closed until it is completed.

Platform / OS / Hardware: Batocera V35/36/37/38/39

Github hash: prev. issues libretro/flycast#965

Hardware: X86-64, RBpi 3b+, RBpi 4b, Odroid n2+

Description of the Issue

The game, only in 2 player vs mode, after around one or two minutes play freeze the screen: image stops and sound glitched is playing, but I can safe exit to Batocera main menu. No difference if I'm really playing or leaving the game alone scrolling.

Debugging Steps Tested

• flycast stand alone
• libreto flycast
• all settings to auto
• settings changed in costum: as resolution, upsacling, ec...
• changing the format of the rom
• compressed and uncompressed rom

Logs Gathered

Please paste the contents of the log / logs here
You may leave this field blank if you have none.

Screenshots

Eventually image makes no sense, beacuse it's a freezed image: graphic issues aren't visible.

[flyinghead]

I was able to reproduce an sh4 crash running 3c38fc1 after about 3 mins of vs play.
Log:

04:54:603 hw/mem/addrspace.cpp:220 I[MEMORY]: [sh4]Write4 to 8bfffffc = 0, not mapped (default handler)
04:54:603 hw/mem/addrspace.cpp:220 I[MEMORY]: [sh4]Write4 to 8bffffdc = 8bffffe0, not mapped (default handler)
04:54:603 hw/mem/addrspace.cpp:220 I[MEMORY]: [sh4]Write4 to 8bffffd8 = 8d97dd70, not mapped (default handler)
04:54:603 hw/mem/addrspace.cpp:220 I[MEMORY]: [sh4]Write4 to 8bffffd4 = 8d97dd70, not mapped (default handler)
04:54:603 hw/mem/addrspace.cpp:220 I[MEMORY]: [sh4]Write4 to 8bffffd0 = 0, not mapped (default handler)

[RickC-I37]

I have the same issue. Any news?

[flyinghead]

If you're in a hurry, don't hesitate to figure out the bug and let us know