Fallback Flow:
Start EVM Transaction, "Is chip readable?"
if yes, proceed with transaction.
If no look at magstripe for service code for "is chip present on card?"
If yes, EMV_RESULT_CODE_FALLBACK_TO_MSR
if no EMV_RESULT_CODE_SWIPE_NON_ICC
If no magstripe or magstripe unreadable, EMV_NO_MATCHING_APP