local offX, offY, camX, camY
local addr_offX = 0x5B96
local addr_offY = 0x5B98
local addr_camX = 0x59D0
local addr_camY = 0x59D2

while true do
  savestate.saveslot(0)
  offX = mainmemory.read_s16_le(addr_offX)
  offY = mainmemory.read_s16_le(addr_offY)
  camX = mainmemory.read_s16_le(addr_camX)
  camY = mainmemory.read_s16_le(addr_camY)
  mainmemory.write_s16_le(addr_camX, camX + offX - 128)
  mainmemory.write_s16_le(addr_camY, camY + offY - 80)
  emu.frameadvance()
  emu.frameadvance()
  emu.frameadvance()
  savestate.loadslot(0)
  emu.frameadvance()
end