Function at 0x1008d103
Capabilities:
Hash data using fnv

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff0
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x100b45f6
mov eax, dword fs:[0]
push eax
push ebx
mov eax, 0x18e8
call fcn.100ab140
mov eax, dword [0x100c9040]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, dword [ebx + 8]
lea eax, [ebp - 0x1870]
push 0x54
push 0
push eax
mov dword [ebp - 0x1874], esi
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
test esi, esi
je 0x1008db22
cmp dword [0x100c92b0], 0
je 0x1008db22
mov eax, dword [0x1013d5c4]
mov edi, dword [esi + 8]
test al, 1
jne 0x1008d049
or eax, 1
mov dword [0x1013d5c4], eax
mov edx, 0x990704d7
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x18cc]
call fcn.10046d20
push 0xda7d68cb
mov edx, eax
mov ecx, 0x1013d5c8
call fcn.100470d0
add esp, 4
push 0x100b5c50
call fcn.100aa2c2
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov eax, dword [0x1013d5c8]
call eax
mov esi, eax
mov dword [ebp - 0x1878], esi
test edi, edi
je 0x1008d0dc
test esi, esi
je 0x1008d0dc
mov ecx, dword [edi + 0x18]
mov dword [ebp - 0x187c], ecx
test ecx, ecx
je 0x1008d0dc
mov eax, dword [esi]
mov edx, dword [eax + 0x10]
mov eax, dword [ecx]
mov ecx, esi
and eax, 0xffffff
push eax
call edx
mov esi, eax
test esi, esi
je 0x1008d0b9
mov edi, 0x811c9dc5
xor ecx, ecx
nop
inc ecx
cmp byte [esi + ecx], 0
jne 0x1008d090
xor edx, edx
test ecx, ecx
je 0x1008d0b9
nop dword [eax]
movsx eax, byte [esi + edx]
inc edx
xor eax, edi
imul edi, eax, 0x1000193
cmp edx, ecx
jb 0x1008d0a0
cmp edi, 0x11ab48ff
je 0x1008d0d4
mov ecx, dword [ebp - 0x187c]
mov ecx, dword [ecx + 0x14]
mov dword [ebp - 0x187c], ecx
test ecx, ecx
je 0x1008d0dc
mov esi, dword [ebp - 0x1878]
jmp 0x1008d071
mov ecx, dword [ebp - 0x187c]
jmp 0x1008d0de
xor ecx, ecx
movsx eax, byte [ecx + 0x10]
dec eax
cmp eax, 6
ja case.0x1008d0ec.2
jmp dword [eax*4 + 0x1008db44]
push dword [ecx + 4]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_atoi]
add esp, 4
mov edx, eax
jmp 0x1008d16f
push dword [ecx + 8]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll__wtoi]
add esp, 4
mov edx, eax
jmp 0x1008d16f
movss xmm4, dword [ecx + 0xc]
movss xmm3, dword [0x100beac8]
movaps xmm0, xmm4
movss xmm2, dword [0x100beac0]
andps xmm3, xmm4
xorps xmm0, xmm3
movaps xmm1, xmm4
cmpltss xmm0, xmm2
andps xmm2, xmm0
orps xmm2, xmm3
addss xmm1, xmm2
subss xmm1, xmm2
movss xmm2, dword [0x100be8c4]
movaps xmm0, xmm1
subss xmm0, xmm4
cmpnless xmm0, xmm3
andps xmm0, xmm2
subss xmm1, xmm0
cvttss2si edx, xmm1
jmp 0x1008d16f
xor edx, edx
jmp 0x1008d16f
mov edx, dword [ecx + 0xc]
mov ecx, dword [0x10137b58]
push edx
mov eax, dword [ecx]
mov eax, dword [eax + 0x24]
call eax
mov esi, dword [0x10137b58]
mov edi, eax
mov ecx, dword [esi]
mov edx, dword [ecx + 0x30]
mov ecx, esi
call edx
cmp edi, eax
jne 0x1008db22
mov edi, dword [ebp - 0x1874]
mov eax, dword [0x1013d5c4]
mov edi, dword [edi + 8]
test al, 1
jne 0x1008d1ef
or eax, 1
mov dword [0x1013d5c4], eax
mov edx, 0x990704d7
mov dword [ebp - 4], 1
lea ecx, [ebp - 0x18cc]
call fcn.10046d20
push 0xda7d68cb
mov edx, eax
mov ecx, 0x1013d5c8
call fcn.100470d0
add esp, 4
push 0x100b5c50
call fcn.100aa2c2
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov eax, dword [0x1013d5c8]
call eax
mov esi, eax
mov dword [ebp - 0x1878], esi
test edi, edi
je 0x1008d27e
test esi, esi
je 0x1008d27e
mov ecx, dword [edi + 0x18]
mov dword [ebp - 0x187c], ecx
test ecx, ecx
je 0x1008d27e
mov eax, dword [esi]
mov edx, dword [eax + 0x10]
mov eax, dword [ecx]
mov ecx, esi
and eax, 0xffffff
push eax
call edx
mov esi, eax
test esi, esi
je 0x1008d25b
mov edi, 0x811c9dc5
xor ecx, ecx
inc ecx
cmp byte [esi + ecx], 0
jne 0x1008d235
xor edx, edx
test ecx, ecx
je 0x1008d25b
movsx eax, byte [esi + edx]
inc edx
xor eax, edi
imul edi, eax, 0x1000193
cmp edx, ecx
jb 0x1008d242
cmp edi, 0xfd0c5087
je 0x1008d276
mov ecx, dword [ebp - 0x187c]
mov ecx, dword [ecx + 0x14]
mov dword [ebp - 0x187c], ecx
test ecx, ecx
je 0x1008d27e
mov esi, dword [ebp - 0x1878]
jmp 0x1008d217
mov ecx, dword [ebp - 0x187c]
jmp 0x1008d280
xor ecx, ecx
movsx eax, byte [ecx + 0x10]
dec eax
cmp eax, 6
ja case.0x1008d28a.4
jmp dword [eax*4 + 0x1008db60]
push dword [ecx + 4]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_atof]
fstp dword [ebp - 0x187c]
movss xmm0, dword [ebp - 0x187c]
add esp, 4
jmp 0x1008d2f0
push dword [ecx + 8]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll__wtof]
fstp dword [ebp - 0x187c]
movss xmm0, dword [ebp - 0x187c]
add esp, 4
jmp 0x1008d2f0
movss xmm0, dword [ecx + 0xc]
jmp 0x1008d2f0
movd xmm0, dword [ecx + 0xc]
cvtdq2ps xmm0, xmm0
jmp 0x1008d2f0
mov ecx, dword [ecx + 4]
mov edx, dword [ecx + 4]
mov ecx, dword [ecx]
call fcn.100ab290
cvtsd2ss xmm0, xmm0
jmp 0x1008d2f0
xorps xmm0, xmm0
mov eax, dword [ebp - 0x1874]
movss dword [ebp - 0x187c], xmm0
mov edi, dword [eax + 8]
mov eax, dword [0x1013d5c4]
test al, 1
jne 0x1008d351
or eax, 1
mov dword [0x1013d5c4], eax
mov edx, 0x990704d7
mov dword [ebp - 4], 2
lea ecx, [ebp - 0x18cc]
call fcn.10046d20
push 0xda7d68cb
mov edx, eax
mov ecx, 0x1013d5c8
call fcn.100470d0
add esp, 4
push 0x100b5c50
call fcn.100aa2c2
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov eax, dword [0x1013d5c8]
call eax
mov esi, eax
mov dword [ebp - 0x1880], esi
test edi, edi
je 0x1008d3ec
test esi, esi
je 0x1008d3ec
mov ecx, dword [edi + 0x18]
mov dword [ebp - 0x1878], ecx
test ecx, ecx
je 0x1008d3ec
nop dword [eax]
mov eax, dword [esi]
mov edx, dword [eax + 0x10]
mov eax, dword [ecx]
mov ecx, esi
and eax, 0xffffff
push eax
call edx
mov esi, eax
test esi, esi
je 0x1008d3c9
mov edi, 0x811c9dc5
xor ecx, ecx
nop
inc ecx
cmp byte [esi + ecx], 0
jne 0x1008d3a0
xor edx, edx
test ecx, ecx
je 0x1008d3c9
nop dword [eax]
movsx eax, byte [esi + edx]
inc edx
xor eax, edi
imul edi, eax, 0x1000193
cmp edx, ecx
jb 0x1008d3b0
cmp edi, 0xfc0c4ef4
je 0x1008d3e4
mov ecx, dword [ebp - 0x1878]
mov ecx, dword [ecx + 0x14]
mov dword [ebp - 0x1878], ecx
test ecx, ecx
je 0x1008d3ec
mov esi, dword [ebp - 0x1880]
jmp 0x1008d380
mov ecx, dword [ebp - 0x1878]
jmp 0x1008d3ee
xor ecx, ecx
movsx eax, byte [ecx + 0x10]
dec eax
cmp eax, 6
ja case.0x1008d3f8.4
jmp dword [eax*4 + 0x1008db7c]
push dword [ecx + 4]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_atof]
fstp dword [ebp - 0x1878]
movss xmm0, dword [ebp - 0x1878]
add esp, 4
jmp 0x1008d45e
push dword [ecx + 8]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll__wtof]
fstp dword [ebp - 0x1878]
movss xmm0, dword [ebp - 0x1878]
add esp, 4
jmp 0x1008d45e
movss xmm0, dword [ecx + 0xc]
jmp 0x1008d45e
movd xmm0, dword [ecx + 0xc]
cvtdq2ps xmm0, xmm0
jmp 0x1008d45e
mov ecx, dword [ecx + 4]
mov edx, dword [ecx + 4]
mov ecx, dword [ecx]
call fcn.100ab290
cvtsd2ss xmm0, xmm0
jmp 0x1008d45e
xorps xmm0, xmm0
mov eax, dword [ebp - 0x1874]
movss dword [ebp - 0x1878], xmm0
mov edi, dword [eax + 8]
mov eax, dword [0x1013d5c4]
test al, 1
jne 0x1008d4bf
or eax, 1
mov dword [0x1013d5c4], eax
mov edx, 0x990704d7
mov dword [ebp - 4], 3
lea ecx, [ebp - 0x18cc]
call fcn.10046d20
push 0xda7d68cb
mov edx, eax
mov ecx, 0x1013d5c8
call fcn.100470d0
add esp, 4
push 0x100b5c50
call fcn.100aa2c2
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov eax, dword [0x1013d5c8]
call eax
mov esi, eax
mov dword [ebp - 0x1880], esi
test edi, edi
je 0x1008d54c
test esi, esi
je 0x1008d54c
mov ecx, dword [edi + 0x18]
mov dword [ebp - 0x1874], ecx
test ecx, ecx
je 0x1008d54c
mov eax, dword [esi]
mov edx, dword [eax + 0x10]
mov eax, dword [ecx]
mov ecx, esi
and eax, 0xffffff
push eax
call edx
mov esi, eax
test esi, esi
je 0x1008d529
mov edi, 0x811c9dc5
xor ecx, ecx
inc ecx
cmp byte [esi + ecx], 0
jne 0x1008d501
xor edx, edx
test ecx, ecx
je 0x1008d529
nop
movsx eax, byte [esi + edx]
inc edx
xor eax, edi
imul edi, eax, 0x1000193
cmp edx, ecx
jb 0x1008d510
cmp edi, 0xff0c53ad
je 0x1008d544
mov ecx, dword [ebp - 0x1874]
mov ecx, dword [ecx + 0x14]
mov dword [ebp - 0x1874], ecx
test ecx, ecx
je 0x1008d54c
mov esi, dword [ebp - 0x1880]
jmp 0x1008d4e3
mov ecx, dword [ebp - 0x1874]
jmp 0x1008d54e
xor ecx, ecx
movsx eax, byte [ecx + 0x10]
dec eax
cmp eax, 6
ja case.0x1008d558.4
jmp dword [eax*4 + 0x1008db98]
push dword [ecx + 4]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_atof]
fstp dword [ebp - 0x1874]
movss xmm0, dword [ebp - 0x1874]
add esp, 4
jmp 0x1008d5be
push dword [ecx + 8]
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll__wtof]
fstp dword [ebp - 0x1874]
movss xmm0, dword [ebp - 0x1874]
add esp, 4
jmp 0x1008d5be
movss xmm0, dword [ecx + 0xc]
jmp 0x1008d5be
movd xmm0, dword [ecx + 0xc]
cvtdq2ps xmm0, xmm0
jmp 0x1008d5be
mov ecx, dword [ecx + 4]
mov edx, dword [ecx + 4]
mov ecx, dword [ecx]
call fcn.100ab290
cvtsd2ss xmm0, xmm0
jmp 0x1008d5be
xorps xmm0, xmm0
cmp dword [0x1013890c], 0
movss dword [ebp - 0x1874], xmm0
je 0x1008db22
cmp byte [0x100d4854], 0
movss xmm3, dword [0x100bec00]
je 0x1008d9aa
mov esi, dword [0x100c92b0]
test esi, esi
jne 0x1008d613
mov dword [ebp - 0x1890], esi
mov eax, esi
mov dword [ebp - 0x188c], esi
movq xmm3, qword [ebp - 0x1890]
mov dword [ebp - 0x1888], esi
jmp 0x1008d900
mov eax, dword [esi]
mov ecx, esi
mov eax, dword [eax + 0x28]
call eax
movq xmm0, qword [eax]
mov eax, dword [eax + 8]
mov dword [ebp - 0x1888], eax
mov eax, dword [0x10137e34]
add eax, 0xffffffac
movq qword [ebp - 0x1890], xmm0
xor eax, 0xcdb53ab0
movq xmm0, qword [eax + esi]
mov eax, dword [eax + esi + 8]
mov dword [ebp - 0x18c4], eax
movss xmm1, dword [ebp - 0x18c4]
comiss xmm1, dword [0x100be9d8]
movq qword [ebp - 0x18cc], xmm0
jb 0x1008d678
movss xmm0, dword [0x100be9fc]
comiss xmm1, xmm0
jbe 0x1008d680
movaps xmm1, xmm0
jmp 0x1008d680
movss xmm1, dword [0x100be9d4]
cmp dword [esi + 0x39e1], 0
movss xmm3, dword [ebp - 0x1890]
movss xmm0, dword [ebp - 0x188c]
movss xmm2, dword [ebp - 0x1888]
addss xmm3, dword [ebp - 0x18cc]
addss xmm0, dword [ebp - 0x18c8]
addss xmm2, xmm1
unpcklps xmm3, xmm0
movss dword [ebp - 0x1888], xmm2
mov eax, dword [ebp - 0x1888]
movaps xmmword [ebp - 0x18b0], xmm3
je 0x1008d8fa
mov eax, dword [0x10137d20]
mov edi, dword [esi + eax]
test edi, edi
je 0x1008d8f4
mov ecx, dword [edi + 0x60]
test ecx, ecx
je 0x1008d8f4
cmp byte [edi + 0x109], 0
jne 0x1008d73e
mov eax, dword [0x10137de4]
add eax, 0xffffffc0
xor eax, 0xcdb53a9c
movss xmm0, dword [eax + ecx]
ucomiss xmm0, dword [0x100be7a4]
lahf
test ah, 0x44
jp 0x1008d73e
mov eax, dword [0x10137e58]
add eax, 0xffffffa3
xor eax, 0xcdb53ab9
mov eax, dword [eax + ecx]
mov ecx, dword [0x10137b5c]
push ecx
mov edx, dword [ecx]
mov esi, dword [edx + 0x10]
mov edx, esp
mov dword [edx], eax
call esi
test eax, eax
jne 0x1008d8ed
mov eax, dword [0x100dec78]
test al, 1
jne 0x1008d7bd
or eax, 1
mov dword [0x100dec78], eax
mov dword [ebp - 4], 4
lea ecx, [ebp - 0x18d8]
push 0x32
xorps xmm0, xmm0
mov dword [ebp - 0x18c8], 0
push str.55_8B_EC_53_56_8B_F1_57_83_BE________________75_14
movups xmmword [ebp - 0x18d8], xmm0
mov dword [ebp - 0x18c4], 0
call fcn.1002a890
lea eax, [ebp - 0x18d8]
mov byte [ebp - 4], 5
push eax
mov edx, 0x10137b14
lea ecx, [ebp - 0x1884]
call fcn.100238a0
add esp, 4
lea ecx, [ebp - 0x18d8]
mov eax, dword [eax]
mov dword [0x100dec74], eax
call fcn.10029d80
mov dword [ebp - 4], 0xffffffff
mov eax, dword [0x100dec74]
mov ecx, dword [edi + 0x60]
push str.head_0
call eax
mov ecx, dword [edi + 0x60]
mov esi, eax
add ecx, 4
lea eax, [ebp - 0x1818]
push ecx
mov dword [esp], 0
push 0x100
mov edx, dword [ecx]
push 0x80
push eax
mov edx, dword [edx + 0x34]
call edx
xorps xmm1, xmm1
test al, al
je 0x1008d82c
lea eax, [esi + esi*2]
add eax, eax
movups xmm0, xmmword [ebp + eax*8 - 0x1818]
movups xmm3, xmmword [ebp + eax*8 - 0x17f8]
movups xmmword [ebp - 0x18f0], xmm0
movups xmm0, xmmword [ebp + eax*8 - 0x1808]
shufps xmm3, xmm3, 0xff
movups xmmword [ebp - 0x18e0], xmm0
jmp 0x1008d82f
xorps xmm3, xmm3
addss xmm3, dword [0x100be8f8]
movss xmm4, dword [ebp - 0x1888]
comiss xmm4, xmm3
jbe 0x1008d8ed
movaps xmm0, xmm4
mov dword [ebp - 0x1884], 0x3f800000
subss xmm0, xmm3
mov dword [ebp - 0x1880], 0
lea eax, [ebp - 0x1894]
lea ecx, [ebp - 0x1880]
subss xmm3, xmm4
andps xmm0, xmmword [0x100bec00]
subss xmm0, dword [0x100be950]
mulss xmm0, dword [0x100be83c]
comiss xmm0, xmm1
movss xmm1, dword [0x100be8c4]
movss dword [ebp - 0x1894], xmm0
cmovae ecx, eax
lea eax, [ebp - 0x1884]
comiss xmm1, xmm0
cmovae eax, ecx
movss xmm2, dword [eax]
movaps xmm1, xmm2
mulss xmm1, xmm2
movaps xmm0, xmm1
addss xmm1, xmm1
mulss xmm0, dword [0x100be91c]
mulss xmm1, xmm2
subss xmm0, xmm1
mulss xmm0, xmm3
movaps xmm3, xmmword [ebp - 0x18b0]
addss xmm0, xmm4
movss dword [ebp - 0x18c4], xmm0
mov eax, dword [ebp - 0x18c4]
jmp 0x1008d8fa
movaps xmm3, xmmword [ebp - 0x18b0]
mov eax, dword [ebp - 0x1888]
mov esi, dword [0x100c92b0]
movss xmm5, dword [ebp - 0x187c]
movss xmm4, dword [ebp - 0x1878]
movss xmm2, dword [ebp - 0x1874]
mov dword [ebp - 0x18ac], eax
mov eax, dword [0x10137ddc]
add eax, 0xffffffc2
movss dword [ebp - 0x18c0], xmm5
xor eax, 0xcdb53a9a
movss dword [ebp - 0x18bc], xmm4
movss dword [ebp - 0x18b8], xmm2
movq qword [ebp - 0x18b4], xmm3
mov word [ebp - 0x18a4], 0
mov eax, dword [eax + esi]
mov dword [ebp - 0x18a8], eax
mov eax, dword [0x10138914]
cmp eax, dword [0x10138918]
je 0x1008d990
movups xmm0, xmmword [ebp - 0x18c0]
movss xmm3, dword [0x100bec00]
movups xmmword [eax], xmm0
movups xmm0, xmmword [ebp - 0x18b0]
movups xmmword [eax + 0x10], xmm0
add dword [0x10138914], 0x20
jmp 0x1008d9c2
lea ecx, [ebp - 0x18c0]
push ecx
push eax
mov ecx, 0x10138910
call fcn.1008f8a0
movss xmm3, dword [0x100bec00]
movss xmm5, dword [ebp - 0x187c]
movss xmm4, dword [ebp - 0x1878]
movss xmm2, dword [ebp - 0x1874]
mov ecx, dword [0x10138908]
xor esi, esi
mov edx, dword [0x1013890c]
movss xmm1, dword [0x100beac4]
add edx, ecx
cmp ecx, edx
je 0x1008db22
mov eax, dword [0x10138904]
mov edi, dword [0x10138900]
dec eax
mov dword [ebp - 0x1884], eax
and eax, ecx
mov eax, dword [edi + eax*4]
cmp byte [eax + 0x4a], 0
jne 0x1008da21
mov edi, dword [0x10137bb8]
movss xmm0, dword [edi]
subss xmm0, dword [eax + 8]
mov edi, dword [0x10138900]
andps xmm0, xmm3
comiss xmm1, xmm0
jb 0x1008da21
movaps xmm1, xmm0
mov esi, eax
mov eax, dword [ebp - 0x1884]
inc ecx
cmp ecx, edx
jne 0x1008d9f4
test esi, esi
je 0x1008db22
mov edi, dword [esi]
mov byte [esi + 0x4a], 1
movss dword [esi + 0x24], xmm5
movss dword [esi + 0x28], xmm4
movss dword [esi + 0x2c], xmm2
test edi, edi
je 0x1008db22
mov eax, dword [0x10137db4]
add eax, 0xffffffcc
xor eax, 0xcdb53a90
cmp dword [eax + edi], 0
jne 0x1008db22
mov eax, dword [edi + 8]
lea ecx, [edi + 8]
mov eax, dword [eax + 0x28]
call eax
imul eax, eax, 0x1584
lea ecx, [eax + 0x100dd888]
test ecx, ecx
je 0x1008db22
cmp dword [ebp - 0x1824], edi
jne 0x1008db22
mov eax, dword [esi + 4]
mov eax, dword [eax + 0xa2c]
cmp eax, 7
jne 0x1008daa9
inc dword [ecx + 0xa78]
jmp 0x1008db1c
cmp eax, 2
jne 0x1008dab6
inc dword [ecx + 0xab0]
jmp 0x1008db1c
cmp eax, 5
jne 0x1008dac3
inc dword [ecx + 0xab4]
jmp 0x1008db1c
cmp eax, 3
jne 0x1008dad0
inc dword [ecx + 0xac8]
jmp 0x1008db1c
cmp eax, 0xd
jne 0x1008dadd
inc dword [ecx + 0xab8]
jmp 0x1008db1c
cmp eax, 0xf
jne 0x1008daea
inc dword [ecx + 0xabc]
jmp 0x1008db1c
cmp eax, 6
jne 0x1008daf7
inc dword [ecx + 0xac0]
jmp 0x1008db1c
cmp eax, 0xb
jne 0x1008db04
inc dword [ecx + 0xae4]
jmp 0x1008db1c
cmp eax, 4
jne 0x1008db11
inc dword [ecx + 0xaa8]
jmp 0x1008db1c
cmp eax, 8
jne 0x1008db1c
inc dword [ecx + 0xacc]
inc dword [ecx + 0xa74]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.100a9e5c
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 4