> There are still a couple problems, though, such as the enemy cars not making the > proper sound when they spin out.
I managed to fix that simply by uncommenting the AY-3-8910 read. It had been commented out since the driver was first added to MAME 0.31; perhaps the rarity of read accesses (since the parallel ports aren't used), compounded with MAME back then using separate structures to map reads and writes and thus obscuring the connection between the two, was what left devs confused.
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