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Re: unsupported port 3c2h access

Are you sure that irq9 is triggered? Would make sense for 2pic machines at least, but the intlist explicitly mentions it as irq2 only. The 0x70 for read_p3c2 comes from some vgatest utility that checks values against ibm vga ones (ih8regs modified it accordingly iirc), so might not hurt to OR the …

Re: blit patch

The scaler BituMove might be interesting and is easy enough (not sure if the 16byte alignment is fine though). Did you profile some stuff with that? Especially default modes (320x200 games with normal2x scaler).

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