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Using an MSP-430 to control a early 6800CPU pinball machine - MSP low-power microcontroller forum - MSP low-power microcontrollers - TI E2E support forums
Internet Pinball Machine Database: Bally 'Bally Hoo'
ODDS & EVENS Pinball Machine Game SCHEMATIC #999 for sale by BALLY - FREE SHIPPING | COIN-OP PARTS ETC | Arcade | Pinball | Vending
Internet Pinball Machine Database: Bally 'Mata Hari'
Bally Inline Drop Target Pinball Patent Photograph by Edward Fielding - Pixels