Moved SIGSEGV in the middle of THZ1

I was just running through THZ1 when I got a SIGSEGV out of no where. Here's the frozen image and the .RPT contents.





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Error occurred on Wednesday, March 25, 2020 at 15:33:30.

srb2win.exe caused an Access Violation at location 005A0D2E in module srb2win.exe Reading from location 00000185.

Registers:
eax=00001ed0 ebx=0000016f ecx=0000004d edx=00000016 esi=165da888 edi=0a13dee7
eip=005a0d2e esp=0646fc1c ebp=ffffffff iopl=0 nv up ei pl zr na po nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00210246

AddrPC Params
005A0D2E 000004FA 00000207 00000208 srb2win.exe!R_DrawColumn_8_MMX
005528DB 165DA885 00000037 00000001 srb2win.exe!R_DrawMaskedColumn
00553187 00000000 1739D2F8 00002CE7 srb2win.exe!R_DrawVisSprite
0055219F 2205A278 000003F7 00000428 srb2win.exe!R_SortVisSprites.constprop.4
0055712F 1739D2F8 1739D190 00000001 srb2win.exe!R_DrawMasked
00549A06 05AC1A20 00000000 00000020 srb2win.exe!R_DrawPlanes
00546884 1739D190 00000001 00000000 srb2win.exe!R_SetupFrame
005472D6 05935E20 0000B6D5 00000020 srb2win.exe!R_RenderPlayerView
004024DA 0646FDBC 00000001 00000000 srb2win.exe!D_Display.part.0
0040CBA1 00000001 00000000 00000000 srb2win.exe!TryRunTics
004027D5 006D70B3 0591A060 00000040 srb2win.exe!D_SRB2Loop
00401642 064E1F60 00000000 064F6E40 srb2win.exe!SDL_main
749B1E20 00000000 00000000 00000000 KERNELBASE.dll!WideCharToMultiByte

srb2win.exe 2.2.0.0
ntdll.dll 6.2.18362.719
KERNEL32.DLL 6.2.18362.329
KERNELBASE.dll 6.2.18362.719
ADVAPI32.dll 6.2.18362.329
msvcrt.dll 7.0.18362.1
sechost.dll 6.2.18362.693
RPCRT4.dll 6.2.18362.628
SDL2.dll 2.0.10.0
SspiCli.dll 6.2.18362.1
GDI32.dll 6.2.18362.1
CRYPTBASE.dll 6.2.18362.1
win32u.dll 6.2.18362.719
bcryptPrimitives.dll 6.2.18362.295
gdi32full.dll 6.2.18362.719
msvcp_win.dll 6.2.18362.387
USER32.dll 6.2.18362.719
ucrtbase.dll 6.2.18362.387
WS2_32.dll 6.2.18362.387
IMM32.DLL 6.2.18362.387
ole32.dll 6.2.18362.693
combase.dll 6.2.18362.693
OLEAUT32.dll 6.2.18362.693
SETUPAPI.dll 6.2.18362.1
cfgmgr32.dll 6.2.18362.387
bcrypt.dll 6.2.18362.267
SHELL32.dll 6.2.18362.719
shcore.dll 6.2.18362.1
windows.storage.dll 6.2.18362.719
profapi.dll 6.2.18362.693
powrprof.dll 6.2.18362.1
UMPDC.dll
shlwapi.dll 6.2.18362.1
kernel.appcore.dll 6.2.18362.1
cryptsp.dll 6.2.18362.1
IPHLPAPI.DLL 6.2.18362.1
VERSION.dll 6.2.18362.1
WINMM.DLL 6.2.18362.1
WINMMBASE.dll 6.2.18362.1
libgme.dll
SDL2_mixer_ext.dll 2.1.0.0
libgcc_s_sjlj-1.dll
libstdc++-6.dll
libopenmpt.dll 1.0.0.0
libfluidsynth-2.dll
DSOUND.dll 6.2.18362.1
uxtheme.dll 6.2.18362.449
MSCTF.dll 6.2.18362.693
exchndl.dll 0.9.0.0
PSAPI.DLL 6.2.18362.1
mgwhelp.dll 0.9.0.0
dbghelp.dll 6.2.18362.1
dbgcore.DLL 6.2.18362.1
OPENGL32.DLL 6.2.18362.387
GLU32.dll 6.2.18362.387
dxcore.dll 6.2.18362.1
nvoglv32.dll 26.21.14.4259
WTSAPI32.dll 6.2.18362.1
DEVOBJ.dll 6.2.18362.387
WINTRUST.dll 6.2.18362.387
MSASN1.dll 6.2.18362.1
CRYPT32.dll 6.2.18362.592
ntmarta.dll 6.2.18362.1
dwmapi.dll 6.2.18362.267
nvspcap.dll 3.20.2.34
WINSTA.dll 6.2.18362.53
clbcatq.dll 2001.12.10941.16384
dinput8.dll 6.2.18362.1
inputhost.dll 6.2.18362.387
CoreMessaging.dll 6.2.18362.1
wintypes.dll 6.2.18362.693
CoreUIComponents.dll 6.2.18362.207
PROPSYS.dll 7.0.18362.267
HID.DLL 6.2.18362.1
XInput1_4.dll 6.2.18362.329
MMDevAPI.DLL 6.2.18362.387
wdmaud.drv 6.2.18362.1
ksuser.dll 6.2.18362.1
AVRT.dll 6.2.18362.1
AUDIOSES.DLL 6.2.18362.628
msacm32.drv 6.2.18362.1
MSACM32.dll 6.2.18362.1
midimap.dll 6.2.18362.1
resourcepolicyclient.dll 6.2.18362.1
Windows.UI.dll 6.2.18362.387
TextInputFramework.dll 6.2.18362.207
iertutil.dll 11.0.18362.693
D3D9.DLL 6.2.18362.387
nvldumd.dll 26.21.14.4259
cryptnet.dll 6.2.18362.1
imagehlp.dll 6.2.18362.1
rsaenh.dll 6.2.18362.1
nvd3dum.dll 26.21.14.4259
gpapi.dll 6.2.18362.1

Windows 6.2.9200
DrMingw 0.9.0

How does this happen?