Blitting to a low resolution bitmap, Main application bitmap is now in ABGR format, macro toggles for bilinear blend etc.

main.h

@@ -3,5 +3,10 @@
 #define ARRAY_CAP(x) sizeof((x))/sizeof(*(x))
 #define FUNCTION static
 #define GLOBAL   static
-#define MIN(x,y) (x)>(y)?(y):(x)
-#define MAX(x,y) (x)>(y)?(x):(y)
+#define MIN(x,y) ((x)>(y)?(y):(x))
+#define MAX(x,y) ((x)>(y)?(x):(y))
+#define ABS(x) ((x)<0?-(x):(x))
+#include <stdint.h>
+typedef int64_t  I64;
+typedef uint64_t U64;
+typedef uint32_t U32;