Count random character rolls

IsaacRandomCharCount.asm

{ Game   : isaac-ng.exe
  Version:
  Date   : 2015-04-14
  Author : europa

  This script does blah blah blah
}

define(address,"isaac-ng.exe"+12B185)
define(bytes,F7 F6 DB 83 40 11 00 00)

[ENABLE]

alloc(counter, 4)
alloc(Isaac, 4)
alloc(Maggie, 4)
alloc(Cain, 4)
alloc(Judas, 4)
alloc(Bluebaby, 4)
alloc(Eve, 4)
alloc(Samson, 4)
alloc(Azazel, 4)
alloc(Lazarus, 4)
alloc(Eden, 4)
alloc(Lost, 4)

registersymbol(counter)
registersymbol(Isaac)
registersymbol(Maggie)
registersymbol(Cain)
registersymbol(Judas)
registersymbol(Bluebaby)
registersymbol(Eve)
registersymbol(Samson)
registersymbol(Azazel)
registersymbol(Lazarus)
registersymbol(Eden)
registersymbol(Lost)

label(cIsaac)
label(cMaggie)
label(cCain)
label(cJudas)
label(cBluebaby)
label(cEve)
label(cSamson)
label(cAzazel)
label(cLazarus)
label(cEden)
label(cLost)

assert(address,bytes)
alloc(newmem,$1000)

label(code)
label(exit)
label(return)

newmem:

code:
  div esi

  inc [counter]
  cmp [counter], FFFFFF
  je exit

  cmp edx, 0
  je cIsaac
  cmp edx, 1
  je cMaggie
  cmp edx, 2
  je cCain
  cmp edx, 3
  je cJudas
  cmp edx, 4
  je cBluebaby
  cmp edx, 5
  je cEve
  cmp edx, 6
  je cSamson
  cmp edx, 7
  je cAzazel
  cmp edx, 8
  je cLazarus
  cmp edx, 9
  je cEden
  cmp edx, A
  je cLost

cIsaac:
  inc [Isaac]
  jmp 00CFB17E

cMaggie:
  inc [Maggie]
  jmp 00CFB17E

cCain:
  inc [Cain]
  jmp 00CFB17E

cJudas:
  inc [Judas]
  jmp 00CFB17E

cBluebaby:
  inc [Bluebaby]
  jmp 00CFB17E

cEve:
  inc [Eve]
  jmp 00CFB17E

cSamson:
  inc [Samson]
  jmp 00CFB17E

cAzazel:
  inc [Azazel]
  jmp 00CFB17E

cLazarus:
  inc [Lazarus]
  jmp 00CFB17E

cEden:
  inc [Eden]
  jmp 00CFB17E

cLost:
  inc [Lost]
  jmp 00CFB17E

exit:
  fild dword ptr [ebx+00001140]
  jmp return

address:
  jmp code
  nop
  nop
  nop
return:

[DISABLE]

address:
  db bytes
  // div esi
  // fild dword ptr [ebx+00001140]

dealloc(newmem)
dealloc(counter)
dealloc(Isaac)
dealloc(Maggie)
dealloc(Cain)
dealloc(Judas)
dealloc(Bluebaby)
dealloc(Eve)
dealloc(Samson)
dealloc(Azazel)
dealloc(Lazarus)
dealloc(Eden)
dealloc(Lost)

unregistersymbol(counter)
unregistersymbol(Isaac)
unregistersymbol(Maggie)
unregistersymbol(Cain)
unregistersymbol(Judas)
unregistersymbol(Bluebaby)
unregistersymbol(Eve)
unregistersymbol(Samson)
unregistersymbol(Azazel)
unregistersymbol(Lazarus)
unregistersymbol(Eden)
unregistersymbol(Lost)

{
// ORIGINAL CODE - INJECTION POINT: "isaac-ng.exe"+12B185

"isaac-ng.exe"+12B16B: 90                       -  nop
"isaac-ng.exe"+12B16C: 90                       -  nop
"isaac-ng.exe"+12B16D: 03 F0                    -  add esi,eax
"isaac-ng.exe"+12B16F: 03 F8                    -  add edi,eax
"isaac-ng.exe"+12B171: 83 FF 0B                 -  cmp edi,0B
"isaac-ng.exe"+12B174: 0F 8C 46 FF FF FF        -  jl isaac-ng.exe+12B0C0
"isaac-ng.exe"+12B17A: 3B F2                    -  cmp edx,edx
"isaac-ng.exe"+12B17C: 74 09                    -  je isaac-ng.exe+12B187
"isaac-ng.exe"+12B17E: E8 BD F7 F7 FF           -  call isaac-ng.exe+AA940
"isaac-ng.exe"+12B183: 33 D2                    -  xor edx,edx
// ---------- INJECTING HERE ----------
"isaac-ng.exe"+12B185: F7 F6                    -  div esi
"isaac-ng.exe"+12B187: DB 83 40 11 00 00        -  fild dword ptr [ebx+00001140]
// ---------- DONE INJECTING  ----------
"isaac-ng.exe"+12B18D: 8B 54 95 CC              -  mov edx,[ebp+edx*4-34]
"isaac-ng.exe"+12B191: 8B 4D FC                 -  mov ecx,[ebp-04]
"isaac-ng.exe"+12B194: 89 55 C8                 -  mov [ebp-38],edx
"isaac-ng.exe"+12B197: DC 3D 38 E7 DA 00        -  fdivr qword ptr [isaac-ng.exe+1DE738]
"isaac-ng.exe"+12B19D: 5F                       -  pop edi
"isaac-ng.exe"+12B19E: 33 CD                    -  xor ecx,ebp
"isaac-ng.exe"+12B1A0: 89 53 18                 -  mov [ebx+18],edx
"isaac-ng.exe"+12B1A3: 5E                       -  pop esi
"isaac-ng.exe"+12B1A4: DD 05 30 E7 DA 00        -  fld qword ptr [isaac-ng.exe+1DE730]
"isaac-ng.exe"+12B1AA: D8 F9                    -  fdivr st(0),st(1)
}