change operands for some instructions and start work on devices

src/device.c

@@ -0,0 +1,12 @@
+#include "device.h"
+
+Device* createDevice(
+    const char* name,
+    void (*sendToDevice)(uint16_t number),
+    uint16_t (*receiveFromDevice)(),
+    void (*update)()
+) {
+    Device* new = malloc(sizeof(Device));
+    if (!new)
+        return NULL;
+}