1 files changed, 28 insertions, 9 deletions
diff --git a/arm9/source/devices/system.c b/arm9/source/devices/system.c
index 3406eed..d2aeb7f 100644
--- a/arm9/source/devices/system.c
+++ b/arm9/source/devices/system.c
@@ -1,16 +1,35 @@
-#include "nds.h"
 #include "file.h"
 #include "system.h"
 
 
-u8 devices_high() {
-    return 0b11111100;
+// Reset a system device.
+void system_reset(SystemDevice *system) {
+    readbuf_set_pointer(&system->name);
+    readbuf_set_pointer(&system->authors);
 }
 
-u8 devices_low() {
-    u8 devices = 0;
-    if (filesystem_enabled()) {
-        devices |= 0b00100000;
-    }
-    return devices;
+// Return a bitmask representing the connected state of each device.
+u16 connected_devices(void) {
+    bool devices[16] = {
+        /* SYSTEM    */ true,
+        /* MEMORY    */ true,
+        /* MATH      */ true,
+        /* CLOCK     */ true,
+        /* INPUT     */ true,
+        /* SCREEN    */ true,
+        /* TONE      */ false,
+        /* SAMPLER   */ false,
+        /* STREAM    */ true,
+        /* FILE      */ nds_filesystem_enabled(),
+        /* CLIPBOARD */ false,
+        /* REGISTRY  */ false,
+        /* CUSTOM 1  */ false,
+        /* CUSTOM 2  */ false,
+        /* CUSTOM 3  */ false,
+        /* CUSTOM 4  */ false,
+    };
+    u16 mask = 0;
+    for (int i=0; i<16; i++) mask |= devices[i] << (15-i);
+    return mask;
 }
+