-18 : status of actor
-0c: status of target

5DDC10
Hitvar:= -1

5DDC17
if 0x1 on Unknown Var then
Hitvar:= 255;

5DDC31
if unknownvar = 99 then
HitVar:= 255;

5DDC4B
if TargetStatus is Death, Sleep, Confusion, Stop, Petrify, Manip, Paralysis then
Begin
  if TargetStatus = Sleep then
  Set 0x4 on Unknown Var

  if TargetStatus = Confusion then
  Set 0x40 on Unknown Var

  if TargetStatus = Manip then
  Set 0x400000 on Unknown Var

  HitVar:= 255
End;

5DDCF7
if 0x20 on unknownvar then
HitVar:= 255

5DDD11

[edx+00000260] = Attack%
ebp[-28] = (Attacker's Dex / 4) + Attack%.
ebp[-20] = attacker's defence rate
ebp[-1c] = target's defence rate

5DDD78
if HitVar  <> 255 then
begin
HitVar = (Attacker's Dex / 4) + Attack% + ( Attacker's Df% - Target's Df%)
FuryCheck
end

5DDD99
if HitVar < 1 then
Hitvar:= 1

5DDDA6
RandomVar:= Random (0..99) 

5DDDB5
[Lucky Hit]
If RandomVar < Luck /4
 then HitVar = 255.
Skips the Lucky Evade check.

5DDDEF
[Lucky Evade.  Ally only.]
if user is enemy and target is ally then 
if RandomVar < Luck /4 then 
HitVar is 0. 

005DDE29
RandomVar2  (1..100).  Unknown mechanism.

5DDE31 :  
if Randomvar2 < HitVar then
unknown
else
Set Miss flag.