diff --git a/Makefile b/Makefile
index 1099cb2..7d891b3 100644
--- a/Makefile
+++ b/Makefile
@@ -48,7 +48,7 @@ $(PROJECT)-release: $(OBJ)
 	strip $@
 
 
-$(PROJECT)-debug: CXXFLAGS = -O0 -g -Wall -pedantic --std=gnu++20 $(addprefix -I,$(INCLUDE)) -fno-exceptions -felide-constructors
+$(PROJECT)-debug: CXXFLAGS = -DDEBUG -O0 -g -Wall -pedantic --std=gnu++20 $(addprefix -I,$(INCLUDE)) -fno-exceptions -felide-constructors
 $(PROJECT)-debug: LDFLAGS = -lfmt
 $(PROJECT)-debug: $(OBJ)
 	$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
diff --git a/include/span.hpp b/include/span.hpp
index 24de972..dae4baa 100644
--- a/include/span.hpp
+++ b/include/span.hpp
@@ -20,14 +20,14 @@ namespace hv
     inline T& operator[](std::size_t index)
     {
 #ifdef DEBUG
-      if (index>=len) throw "tried to index out of bounds of array";
+      if (index>=len) std::terminate(); // "tried to index out of bounds of array";
 #endif
       return ptr[index];
     }
     inline const T& operator[](std::size_t index) const
     {
 #ifdef DEBUG
-      if (index>=len) throw "tried to index out of bounds of array";
+      if (index>=len) std::terminate(); // "tried to index out of bounds of array";
 #endif
       return ptr[index];
     }
@@ -35,12 +35,12 @@ namespace hv
     inline span<T> slice(std::size_t off, std::size_t len)
     {
       len = std::min(this->len, len);
-      if(len+off>=len || len < off) throw "tried to index out of bounds of array";
+      if(len+off>=len || len < off) std::terminate(); // "tried to index out of bounds of array";
       return span<T>(ptr+off, len-off);
     }
     inline span<T> slice(std::size_t off)
     {
-      if(len+off>=len || len < off) throw "tried to index out of bounds of array";
+      if(len+off>=len || len < off) std::terminate(); // "tried to index out of bounds of array";
       
       return span<T>(ptr+off, len-off);
     }
diff --git a/src/hex.cpp b/src/hex.cpp
index b1bc65e..4e099bc 100644
--- a/src/hex.cpp
+++ b/src/hex.cpp
@@ -59,6 +59,12 @@ inline void hex02(std::uint8_t byte, char buffer[2])
 	buffer[1] =hex_map[byte][1];
 }
 
+template<std::size_t N>
+inline __attribute((always_inline)) void print_exact(const char* ar)
+{
+	fwrite(ar, 1, N, stdout);
+}
+
 template<std::size_t N>
 inline __attribute__((always_inline)) void print_exact(const char (&ar)[N])
 {
@@ -69,10 +75,12 @@ namespace hv {
 	void print_screen(const span<unsigned char> memory, unsigned long offset)
 	{
 #ifndef FIXED_ROW_SIZE
-#define S (const char*)
+#define S (2+ROW_SZ)
+#define P_EX(n, buf) fwrite(buf, 1, n, stdout)
 		int ROW_SZ = 24;
 #else
 #define S
+#define P_EX(n, buf) print_exact(buf)
 #endif
 		fmt::print("0x{:016x}  ", offset);
 		char hxbuf[3];
@@ -85,7 +93,7 @@ namespace hv {
 		hxbuf[2] = ' ';
 		for(;i<memory.size();i++) {
 			if (i && i % ROW_SZ == 0) { //TODO: Change to i +=16 so we don't have to branch here on every byte. Make sure to not overrun buffer tho
-				print_exact(r_ascii);
+				P_EX(S, r_ascii);
 				fmt::print("\n0x{:016x}  ", i+offset); //TODO: Implement this manually then write the buffer with `print_exact`
 			}
 			unsigned char idx = memory[i];
@@ -101,10 +109,10 @@ namespace hv {
 			for(std::size_t j=0;j< ROW_SZ - rest;j++)
 				print_exact(output);
 
-			prints(r_ascii);
+			prints((const char*) r_ascii);
 		}
 		else {
-			print_exact(r_ascii);
+			P_EX(S, r_ascii);
 		}
 	}
 }