add communications test

asm/comm.py

@@ -0,0 +1,18 @@
+from creole import *
+import socket
+
+def connect(ip, port):
+	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	s.connect((ip, port))
+	return s
+
+def execute(creole_instance, socket):
+	code = creole_instance()
+	l = len(code)
+	assert l <= 0xFFFF
+	socket.sendall(bytes([l & 0xFF, l >> 8]) + code)
+
+def connect_exec(cr, ip="192.168.1.50", port=6626):
+	s = connect(ip, port)
+	execute(cr, s)
+	return s.recv(1024)

asm/test_comm.py

@@ -0,0 +1,25 @@
+from comm import *
+
+# These require a connection!
+def test_print_char():
+	p = Program()
+	p.parse_asm_line(f"SENDVAL 100")
+	assert connect_exec(p) == b'100'
+
+def test_print_string():
+	p = Program()
+	p.parse_lines([
+		"j .l",
+		f"db d0 {[ord(x) for x in 'hello world']}",
+		".l",
+		"senddat d0"
+	])
+	return connect_exec(p).decode()
+
+def test_run_adc():
+	p = Program()
+	p.parse_lines([
+		"read_adc 0 r0",
+		"sendval r0"
+	])
+	return connect_exec(p).decode()