[Bounty $25] mame2003 (and plus): enable Outrunners single screen mode

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Issue

The Outrunners dip switch to change from dual screen mode to single screen mode does not have any effect. The dip switch does work in standalone MAME 0.78.

Resolution

This issue will be resolved and the bounty awarded when Outrunners and other titles affected by this regression can be configured for single screen mode just as they can in standalone MAME 0.78.

This issue has been resolved in mame2003 as of today, with the fix also inbound for mame2003-plus. Thanks nayslayer!