diff --git a/deps/teagba/src/cstartup.cpp b/deps/teagba/src/cstartup.cpp
index ea4a62c0..e3845e03 100644
--- a/deps/teagba/src/cstartup.cpp
+++ b/deps/teagba/src/cstartup.cpp
@@ -4,17 +4,20 @@
 
 #include <ox/std/heapmgr.hpp>
 
+#include <teagba/bios.hpp>
+#include <teagba/registers.hpp>
+
 namespace mgba {
 void initConsole();
 }
 
-#define MEM_EWRAM_BEGIN reinterpret_cast<char*>(0x02000000)
-#define MEM_EWRAM_END   reinterpret_cast<char*>(0x0203FFFF)
+#define MEM_HEAP_BEGIN reinterpret_cast<char*>(0x02000000)
+#define MEM_HEAP_END   reinterpret_cast<char*>(0x0203FFFF)
 
-#define HEAP_BEGIN reinterpret_cast<char*>(MEM_EWRAM_BEGIN)
+#define HEAP_BEGIN reinterpret_cast<char*>(MEM_HEAP_BEGIN)
 // set size to half of EWRAM
-#define HEAP_SIZE ((MEM_EWRAM_END - MEM_EWRAM_BEGIN) / 2)
-#define HEAP_END  reinterpret_cast<char*>(MEM_EWRAM_BEGIN + HEAP_SIZE)
+#define HEAP_SIZE ((MEM_HEAP_END - MEM_HEAP_BEGIN) / 2)
+#define HEAP_END  reinterpret_cast<char*>(MEM_HEAP_BEGIN + HEAP_SIZE)
 
 extern void (*__preinit_array_start[]) (void);
 extern void (*__preinit_array_end[]) (void);
@@ -25,6 +28,14 @@ int main(int argc, const char **argv);
 
 extern "C" {
 
+void abort() {
+	REG_IE = 0;
+	teagba::intrwait(0, 0);
+	while (true);
+}
+
+void *__gxx_personality_v0{};
+
 void __libc_init_array() {
 	auto preInits = __preinit_array_end - __preinit_array_start;
 	for (decltype(preInits) i = 0; i < preInits; i++) {