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Old 05 April 2017, 10:36   #123
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Join Date: Sep 2016
Location: Glasgow
Posts: 2,499
Originally Posted by majsta View Post
There are lot of articles about that on my site so please go there and start reading.
FPGA would die in few seconds if you connect it directly to Amiga so yes there is "protection" on each I/O that is connected to Amiga. However Vampire card on A500 don't become bus master on traditional way like on A600 using bus arbitration and those signals are not implemented because you remove MC68K from the motherboard to add V500.
Ok but the sidecar can assert BR and expect a BG and then return BGACK? Or does the A500 slot never get a BG? beware some amiga hardware misbehaves and just asserts BGACK anyway. :/

I think you have answered the question in any case.
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