Add io helper functions

2022-03-05 22:34:34 -06:00
parent 859a954996
commit 6b24abdbd5
3 changed files with 18 additions and 2 deletions
--- a/sw/io.c
+++ b/sw/io.c
@@ -0,0 +1,6 @@
+#include <io.h>
+
+int io_remap(int region) {
+    *(unsigned char*)IO_REMAP = region;
+    return (*(unsigned char*)IO_REMAP == region);
+}