I gave it a quick try and couldn’t figure it out, so to anyone who’s smarter than me:
Is something like this possible with the Mifare Classic structure?
[=] ---------------- Listing ----------------
[=] 00 MAD v1
[=] 01 [484D] Access Control [HID Global]
[=] 02 [E103] NFC applications [NXP Semiconductors]
[=] 03 [E103] continuation
[=] 04 [E103] continuation
...etc...
In other words, could you format part of the card for NDEF and continue using the other bits for whatever else? I thought that sort of thing was the idea behind their MAD system