EXTIN
_volume(icode, ptr, GPR(dst), EXTIN(src), GPR(vol))
_volume_add(icode, ptr, GPR(dst), EXTIN(src), GPR(vol))
_SWITCH(icode, ptr, GPR(dst), EXTIN(src), GPR(sw))
OP(icode, &ptr, iACC3, FXBUS2(z), C_00000000, C_00000000, EXTIN(c));
OP(icode, &ptr, iACC3, FXBUS2(z), C_00000000, C_00000000, EXTIN(z));