Geekboy

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Feb 6th, 2013
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  1. ;============= start code run in interupt ===========  
  2. Interrupt:
  3.  exx
  4.  push af
  5.  push ix
  6.   in a,(4)
  7.   rrca    ;puts bit 0 into carry to see if ON key gens interrupt. 4cc savings.
  8.   jp c,GameQuit
  9.   ld a,(phase) ;else assume that the game is running on this interrupt.
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