[Apr/26/93]

Gottlieb Reactor

file  loc     label      type  cksm
----  ------  ---------  ----  ----
rom0  c17     GV100ROM0  2732  f224
rom1  c16     GV100ROM1  2732  6caf
rom2  c14/15  GV100ROM2  2732  5a91
rom3          GV100ROM3  2732  4979
rom4          GV100ROM4  2732  cbc9
rom5          GV100ROM5  2732  1851
rom6          GV100ROM6  2732  e6bd
rom7          GV100ROM7  2732  cdeb

fg0   k4/5    GV100FG0   2732  0026
fg1   k5/6    GV100FG0   2732  f31e
fg2   k6/7    GV100FG0   2732  f5e8
fg3   k7/8    GV100FG0   2732  a159

snd1  u5      GV100SND1  2716  12e4
snd2  u6      GV100SND2  2716  fb78

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[MAME]

Reactor: earlier version of the board, with a different memory map

Main processor (8088 minimum mode)
0000-1fff RAM (NOT battery backed unlike all the others)
2000-2fff sprites
3000-37ff video ram
4000-4fff char generator ram
6000-67ff palette ram (palette of 16 colors)
7000-77ff i/o ports
8000-ffff ROM

memory mapped ports:

read:
7000    Dip switch
7001    Inputs 10-17
7002    trackball H
7003    trackball V
7004    Inputs 40-47

write:
7000    watchdog reset
7001    trackball clear
7002    Outputs 20-27
7003    Flipflop outputs:
		b0: F/B priority
		b1: horiz. flip
		b2: vert. flip
		b3: Output 33
		b4: coin counter
		b5: left lamp (1P/3Lives start)
		b6: middle lamps (2P/3Lives start, 1P/7Lives start)
		b7: right lamp (2P/7Lives start)
7004    Outputs 40-47

interrupts:
INTR not connected
NMI connected to vertical blank

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