Service button: Difference between revisions
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Arcade cab service button. Brings up the [[system ROM]] menu. | Arcade cab service button. Brings up the [[system ROM]] menu. | ||
The input is read through {{Reg|REG_STATUS_A}} bit 2. | The input ([[JAMMA connector pinout|JAMMA edge]] pin R) is read through {{Reg|REG_STATUS_A}} bit 2. | ||
[[Category:Cartridge systems]] | [[Category:Cartridge systems]] | ||
Latest revision as of 20:45, 14 March 2017
Arcade cab service button. Brings up the system ROM menu.
The input (JAMMA edge pin R) is read through REG_STATUS_A bit 2.