Event Hacking question

I think we'd have to see more, including your jump and what you overwrote.

In CA/AE2E (AB02E):
D0 00 C0 27 01 1C 1E 01

In CB/2221 (B2421):
Inserted - B2 30 02 27
Overwrote - 94 5A 08 5C

In F1/0230 (310430):
Inserted: 94 5A 08 5C (the stuff I overwrote)
Inserted: D0 7E D4 ED D4 FD D1 00 FE

In level editor:
On NPC 19 (umaro)
X,Y: 9,8
Event: 1E800
'If Mem Set'
Address: 1E80
Bit: 0