Vendor Teakra, make emulator own DSP RAM and add DSP RAM to fastmem (#806)

* DSP: Own DSP RAM and add it to fastmem

* Vendor Teakra

* Add MacOS support to fastmem

* Fix MacOS fastmem paths

* Fix iOS build

third_party/teakra/hwtest/dsptester/send-program.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+import sys
+import socket
+import struct
+
+for UDP_IP in ["192.168.1.158", "127.0.0.1"]:
+    UDP_PORT = 8888
+    MESSAGE = struct.pack('<H', 0xD590)
+
+    for i in range(1, len(sys.argv)):
+        if sys.argv[i] == '-1':
+            MESSAGE = struct.pack('<H', 0xD591)
+            continue
+        inst = sys.argv[i]
+        splitted = inst.split('+')
+        code = int(splitted[0], 16)
+        for param in splitted[1:]:
+            v, p = param.split('@')
+            code += int(v) << int(p)
+        MESSAGE += struct.pack('<H', code)
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    sock.sendto(MESSAGE, (UDP_IP, UDP_PORT))