Function at 0x4120a0
Capabilities:
Encode data using xor

Disassembly:
push ebp
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x5c
fld xword [esp + 0x70]
fld st(0)
fstp xword [esp + 0x28]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x4125a4
movzx edi, word [esp + 0x30]
mov esi, edi
and esi, 0x8000
jne 0x412210
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x4125b9
and di, 0x7fff
mov ecx, edi
je 0x412220
mov ebp, dword [ebx + 0xc]
lea eax, [ecx - 0x3fff]
mov esi, dword [esp + 0x28]
mov edi, dword [esp + 0x2c]
mov word [esp + 0x16], ax
cmp ebp, 0xe
jbe 0x412371
mov eax, edi
or eax, esi
je 0x41253b
mov eax, dword [ebx + 4]
lea ecx, [esp + 0x38]
movzx edx, word [esp + 0x16]
mov dword [esp + 8], ebx
mov ebp, ecx
mov dword [esp + 0xc], ecx
mov ecx, eax
mov dword [esp + 0x18], eax
and eax, 0x20
and ecx, 0x800
mov byte [esp + 0x10], al
mov dword [esp + 0x1c], ecx
mov ecx, ebp
jmp 0x412197
mov ebx, dword [esp + 8]
mov ebx, dword [ebx + 0xc]
test ebx, ebx
jle 0x41216a
mov ebp, dword [esp + 8]
sub ebx, 1
mov dword [ebp + 0xc], ebx
shrd esi, edi, 4
shr edi, 4
test eax, eax
mov ebp, ecx
je 0x4121ef
cmp eax, 9
lea ecx, [ebp + 1]
jle 0x412207
add eax, 0x37
or al, byte [esp + 0x10]
mov byte [ebp], al
mov eax, edi
or eax, esi
je 0x412270
mov eax, esi
and eax, 0xf
cmp eax, esi
jne 0x412155
cmp ecx, dword [esp + 0xc]
ja 0x4121c0
mov ebp, dword [esp + 0x1c]
test ebp, ebp
jne 0x4121c0
mov ebx, dword [esp + 8]
mov ebp, ecx
mov ebx, dword [ebx + 0xc]
test ebx, ebx
jle 0x4121c6
nop
lea esi, [esi]
lea ebp, [ecx + 1]
mov byte [ecx], 0x2e
cmp edi, 0
ja 0x4121d0
cmp esi, 1
jbe 0x4121e7
lea ecx, [edx - 1]
shrd esi, edi, 1
shr edi, 1
mov edx, ecx
mov ebx, esi
lea ecx, [edx - 1]
xor ebx, 1
or ebx, edi
jne 0x4121d3
xor esi, esi
xor edi, edi
test eax, eax
jne 0x412177
cmp ebp, dword [esp + 0xc]
ja 0x412204
mov ecx, dword [esp + 8]
mov ecx, dword [ecx + 0xc]
test ecx, ecx
js 0x4123f0
lea ecx, [ebp + 1]
add eax, 0x30
jmp 0x41218a
or dword [ebx + 4], 0x80
jmp 0x4120d9
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
mov edi, edx
or edi, eax
je 0x41252c
test edx, edx
js 0x4125de
mov ecx, 0xffffc001
nop
shld edx, eax, 1
mov edi, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x412240
mov word [esp + 0x16], di
mov esi, eax
mov edi, edx
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
jbe 0x41238f
jmp 0x412124
cmp ecx, dword [esp + 0xc]
mov word [esp + 0x16], dx
mov ebp, ecx
mov ebx, dword [esp + 8]
je 0x4125d6
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jle 0x412519
mov eax, ebp
sub eax, dword [esp + 0xc]
mov edx, dword [ebx + 0xc]
movsx edi, word [esp + 0x16]
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0x18]
mov dword [esp + 0x10], edi
cmovg eax, ecx
mov ecx, 0x66666667
and edx, 0x1c0
cmp edx, 1
sbb edx, edx
lea esi, [eax + edx + 6]
mov eax, edi
imul ecx
mov eax, edi
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x4125cc
mov edi, 2
mov eax, 0x66666667
add esi, 1
add edi, 1
imul ecx
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x4122e1
movsx edi, di
cmp dword [esp + 8], esi
jle 0x412400
mov eax, dword [esp + 8]
sub eax, esi
test dword [esp + 0x18], 0x600
jne 0x412566
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jle 0x412407
lea esi, [esi]
mov edx, ebx
mov eax, 0x20
call dbg.__pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x412330
mov eax, dword [ebx + 4]
mov dword [esp + 0x18], eax
test byte [esp + 0x18], 0x80
je 0x412412
nop
lea esi, [esi]
mov edx, ebx
mov eax, 0x2d
call dbg.__pformat_putc
jmp 0x41242b
test edi, edi
js 0x41238f
mov ecx, eax
mov esi, esi
lea edi, [edi]
shld edi, esi, 1
add esi, esi
test edi, edi
jns 0x412380
mov word [esp + 0x16], cx
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, ebp
shl ecx, 2
shrd esi, edi, 1
shld edx, eax, cl
shr edi, 1
shl eax, cl
test cl, 0x20
je 0x4123b4
mov edx, eax
xor eax, eax
add eax, esi
adc edx, edi
test edx, edx
js 0x412599
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
xor esi, esi
sub ecx, ebp
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
test cl, 0x20
cmovne eax, edx
cmovne edx, esi
mov edi, edx
mov esi, eax
jmp 0x412124
mov ecx, ebp
jmp 0x41218d
mov dword [ebx + 8], 0xffffffff
test byte [esp + 0x18], 0x80
jne 0x412360
test dword [esp + 0x18], 0x100
jne 0x412577
test byte [esp + 0x18], 0x40
jne 0x412588
mov edx, ebx
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x58
call dbg.__pformat_putc
mov eax, dword [ebx + 8]
test eax, eax
jle 0x412479
test byte [ebx + 5], 2
je 0x412479
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
mov edx, ebx
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x412460
cmp ebp, dword [esp + 0xc]
mov esi, dword [esp + 0xc]
ja 0x4124a7
jmp 0x4124cd
movzx eax, word [ebx + 0x1c]
test ax, ax
mov word [esp + 0x26], ax
je 0x4124a3
lea eax, [esp + 0x26]
mov ecx, ebx
mov edx, 1
call dbg.__pformat_wputchars
cmp ebp, esi
je 0x4124cd
sub ebp, 1
movsx eax, byte [ebp]
cmp eax, 0x2e
je 0x412510
cmp eax, 0x2c
je 0x412485
mov edx, ebx
call dbg.__pformat_putc
jmp 0x4124a3
mov edx, ebx
mov eax, 0x30
call dbg.__pformat_putc
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 0xc], edx
jg 0x4124c1
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call dbg.__pformat_putc
mov eax, dword [esp + 0x10]
add dword [ebx + 8], edi
mov ecx, ebx
or dword [ebx + 4], 0x1c0
cdq
call dbg.__pformat_int
add esp, 0x5c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, ebx
call dbg.__pformat_emit_radix_point
jmp 0x4124a3
movsx eax, word [esp + 0x16]
mov edi, 2
mov dword [esp + 0x10], eax
jmp 0x412407
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
jbe 0x41256e
xor edx, edx
mov word [esp + 0x16], dx
mov eax, dword [ebx + 4]
mov dword [esp + 0x18], eax
lea eax, [esp + 0x38]
mov dword [esp + 0xc], eax
test ebp, ebp
jle 0x4125f1
lea eax, [esp + 0x39]
mov byte [esp + 0x38], 0x2e
lea ebp, [eax + 1]
mov byte [eax], 0x30
jmp 0x412285
mov dword [ebx + 8], eax
jmp 0x412407
xor esi, esi
xor edi, edi
jmp 0x412380
mov edx, ebx
mov eax, 0x2b
call dbg.__pformat_putc
jmp 0x41242b
mov edx, ebx
mov eax, 0x20
call dbg.__pformat_putc
jmp 0x41242b
add word [esp + 0x16], 1
jmp 0x4123c6
fstp st(0)
mov ecx, ebx
mov edx, 0x48c740
xor eax, eax
call dbg.__pformat_emit_inf_or_nan
jmp 0x412500
mov ecx, ebx
mov edx, 0x48c744
mov eax, esi
call dbg.__pformat_emit_inf_or_nan
jmp 0x412500
mov edi, 2
jmp 0x4122fd
mov ebp, dword [ebx + 0xc]
jmp 0x41254a
mov esi, eax
mov eax, 0xffffc002
mov edi, edx
mov word [esp + 0x16], ax
jmp 0x412258
test dword [esp + 0x18], 0x800
mov eax, dword [esp + 0xc]
je 0x41255b
jmp 0x412552