Compiling src/mame/drivers/spg2xx_senario.cpp...
../../../../../src/mame/drivers/spg2xx_pdc.cpp:243:42: error: result of '2^8' is
      10; did you mean '1 << 8' (256)? [-Werror,-Wxor-used-as-pow]
                src[i] = bitswap<16>(src[i], 3^8,11^8,2^8,10^8,1^8,9^8,0...
                                                      ~^~
                                                      1 << 8
../../../../../src/mame/drivers/spg2xx_pdc.cpp:243:42: note: replace expression
      with '0x2 ^ 8' or use 'xor' instead of '^' to silence this warning
../../../../../src/mame/drivers/spg2xx_pdc.cpp:243:47: error: result of '10^8'
      is 2; did you mean '1e8'? [-Werror,-Wxor-used-as-pow]
                src[i] = bitswap<16>(src[i], 3^8,11^8,2^8,10^8,1^8,9^8,0...
                                                          ~~^~
                                                          1e8
../../../../../src/mame/drivers/spg2xx_pdc.cpp:243:47: note: replace expression
      with '0xA ^ 8' or use 'xor' instead of '^' to silence this warning
2 errors generated.