mips 3 issues

[SachaTending]

new issue spawned:
im trying to emulate a old hw called webtv(specificly bf0, which requires R4640 cpu)
and, it gives error on one specific instruction: daddu
im using mips 32 mode(mips 64 gives error at start)

[SachaTending]

i using wrong mips mode
but when i try to use mips 3 mode

unicorn.unicorn.UcError: Invalid mode (UC_ERR_MODE)

[wtdcode]

So what instruction are you emulating?