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Old 02 June 2016, 11:17   #6
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
Posts: 19,522
Yes, it writes to ROM (=does nothing) and ROM has zero at offset $10.

Emutos did this previously (and it is still in sources, amiga2.S, so where does that extra code come from?)

// Set up port A on the first CIA (8520-A).

move.b #3,0xbfe201 // Set low two bits for output.
move.b #2,0xbfe001 // Set boot ROM off, power light dim.
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