boot protocol freedos fdkernel.sys
tp fffff while word [0:0] == 7fae silent 2
g 9DE
r di += 9
tp ffffff while dword [0:84] != f000f684 silent 4
bp at f000:f684 when byte [d9:129e] == e8 id=i21
g
bd all
bp at 7E37:2D44
g
g FFFF:84CF
g 00D9:136F