some progress on dos vesa, but not quite

Common/std.h

@@ -3,6 +3,8 @@
    even memory mnagement.
 */
 
+/* TODO: Split into io.h and math.h */
+
 #ifndef COM_STD_H
 #define COM_STD_H
 
@@ -69,6 +71,9 @@ void com_std_print_(int32_t start, ...);
 #define com_std_print(...) com_std_print_(__VA_ARGS__, '.')
 void com_std_print_str(char const *str, uint32_t len, bool newline);
 
+/* Note: Functions listed below are only available for dev builds. */
+/* Trigonometry functions are for reference testing of our own fixed point
+ * implementations. Do not use otherwise. */
 #define COM_STD_PIF ((float)3.14159265358979323846)
 
 double com_std_sqrt(double v);
@@ -76,9 +81,7 @@ double com_std_fabs(double v);
 double com_std_sin(double v);
 double com_std_cos(double v);
 
-/* Note: Functions listed below are only available for dev builds. */
-/* Trigonometry functions are for reference testing of our own fixed point
- * implementations. Do not use otherwise. */
+/* TODO: Move to def.h? or just asrt.h? */
 #define com_std_assert(p_h)                                                    \
   do {                                                                         \
     if (!(p_h)) {                                                              \