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invqix.c: Minor doc update & minor whitespace clean up - NW
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@ -63,10 +63,13 @@ The other has the secondary label 351100210 with a serial number labeled:
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S/N: SIURxxxx (xxxx=number of PCB)
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S/N: SIURxxxx (xxxx=number of PCB)
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SPACE INVADERS U/R
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SPACE INVADERS U/R
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Both boards have the same program code and either can be set to Coin or Free Play
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as well as Up Right, Cocktail or Flip Screen from the service menu.
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Memory map:
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Memory map:
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000000-1fffff: program ROM
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000000-1fffff: program ROM
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200000-20ffff: Work RAM
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200000-20ffff: Work RAM
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400000-400003: OKIM9810
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400000-400003: OKI M9810
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600000-61ffff: VRAM
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600000-61ffff: VRAM
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620000-620005: video registers
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620000-620005: video registers
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