> The PS2 BIOS hasn't got a thing to do with playing PS games, the hardware of the PS1 > is built into the PS2 motherboard, there's no emulation required.
Incorrect. Part of the hardware is built in, but the graphics and a few other things are emulated using software running on the EE. A properly working PS2 emulator should indeed support the back-compatibility mode, we just don't seem to have any of those yet.
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