Move sw to sw-old and hw to hw-altium, add kicad files

1 files changed, 37 insertions, 0 deletions

diff --git a/sw-old/z80/libc/string.c b/sw-old/z80/libc/string.c
new file mode 100644
index 0000000..57b3a7f
--- /dev/null
+++ b/sw-old/z80/libc/string.c
@@ -0,0 +1,37 @@
+#include "string.h"
+
+void *memset(void *dest, const int8_t src, size_t n) {
+
+    char *dp = (char *) dest;
+
+    while (n--)
+        *(dp++) = src;
+
+    return dest;
+}
+
+void *memcpy(void *dest, void *src, size_t n)
+{
+    char *dp = dest;
+    char *sp = src;
+
+    while (n--) {
+        *dp++ = *sp++;
+    }
+
+    return dest;
+}
+
+int8_t memcmp(void *s1, void *s2, size_t n)
+{
+    char *u1 = (char *) s1;
+    char *u2 = (char *) s2;
+
+    for ( ; n--; u1++, u2++) {
+
+        if (*u1 != *u2)
+            return u1 - u2;
+    }
+
+    return 0;
+}
\ No newline at end of file