Used __builtin_wasm_memory_size(0) instead of having the Javascript code call init_mem with the initial page count. Added a simple <div> below the canvas that can hold any number of labels that can be filled/updated through jsSetLabel which lives in a new file misc_functions.js.

cwasm.c

@@ -29,6 +29,7 @@ Description:
 #include "stb_image.h"
 #endif
 
+#include "cwasm_misc_js_imports.h"
 #include "cwasm_webgl_js_imports.h"
 #include "cwasm_webgl_constants.h"
 
@@ -37,6 +38,35 @@ void InitializeCWasm(u32 scratchArenasSize)
 	InitGlobalArenas(scratchArenasSize);
 }
 
+static inline void SetLabel(const char* labelName, const char* displayStr) { jsSetLabel(labelName, displayStr); }
+void SetLabelPrint(const char* labelName, const char* formatStr, ...)
+{
+	char* displayStr = nullptr;
+	va_list args;
+	va_start(args, formatStr);
+	int length = vsnprintf(displayStr, 0, formatStr, args); //Measure first
+	Assert(length >= 0);
+	va_end(args);
+	if (length == 0) { SetLabel(labelName, ""); return; }
+	
+	ScratchBegin(scratch);
+	{
+		displayStr = AllocArray(char, scratch, length+1);
+		if (displayStr == nullptr) { SetLabel(labelName, ""); return; }
+		
+		va_start(args, formatStr);
+		vsnprintf(displayStr, (size_t)(length+1), formatStr, args); //Real printf
+		va_end(args);
+		displayStr[length] = '\0';
+		
+		SetLabel(labelName, displayStr);
+	}
+	ScratchEnd(scratch);
+}
+
+// +--------------------------------------------------------------+
+// |          Memory Allocation Functions for Javascript          |
+// +--------------------------------------------------------------+
 WASM_EXPORT(cAllocMem) void* cAllocMem(Arena* arenaPntr, int numBytes, int alignment)
 {
 	NotNull(arenaPntr);