include all files

include/asm.h

@@ -0,0 +1,8 @@
+/* Contains some assembly-specific instructions
+ * that ought to be beneficial*/
+#pragma once
+
+#define lo8(x)  ((x) & 0xFF)         /* Use bits 0..7 of x. */
+#define hi8(x)  (((x) >> 8) & 0xFF)  /* Use bits 8..15 of x. */
+#define hlo8(x) (((x) >> 16) & 0xFF) /* Use bits 16..23 of x. */
+#define hhi8(x) (((x) >> 24) & 0xFF) /* Use bits 24..31 of x. */

include/avr/avr128da28.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "asm.h"
+
+/* I/O addresses. */
+#define SPH    0x3E   /* Stack pointer high address. */
+#define SPL    0x3D   /* Stack pointer low address. */
+#define RAMEND 0x4000 /* The maximum address available in RAM. */