1   0	NOP
2   1	CLEAR_REMOTE_BUSY
3   2	CONNECT_INDICATION
4   3	CONNECT_CONFIRM
5   4	DATA_INDICATION
6   5	DISCONNECT_INDICATION
7   6	DUMMY_6
8   7	RESET_CONFIRM
9   8	DUMMY_8
10   9	IF_F=1_CLEAR_REMOTE_BUSY
11  10	IF_DATA_FLAG=2_STOP_REJ_TIMER
12  11	SEND_DISC_CMD(P=X)
13  12	SEND_DM_RSP(F=X)
14  13	SEND_FRMR_RSP(F=X)
15  14	RE-SEND_FRMR_RSP(F=0)
16  15	RE-SEND_FRMR_RSP(F=P)
17  16	SEND_I_CMD(P=1)
18  17	RE-SEND_I_CMD(P=1)
19  18	RE-SEND_I_CMD(P=1)_OR_SEND_RR
20  19	SEND_I_XXX(X=0)
21  20	RE-SEND_I_XXX(X=0)
22  21	RE-SEND_I_XXX(X=0)_OR_SEND_RR
23  22	RE-SEND_I_RSP(F=1)
24  23	SEND_REJ_CMD(P=1)
25  24	SEND_REJ_RSP(F=1)
26  25	SEND_REJ_XXX(X=0)
27  26	SEND_RNR_CMD(F=1)
28  27	SEND_RNR_RSP(F=1)
29  28	SEND_RNR_XXX(X=0)
30  29	SET_REMOTE_BUSY
31  30	OPTIONAL_SEND_RNR_XXX(X=0)
32  31	SEND_RR_CMD(P=1)
33  32	SEND_ACKNOWLEDGE_CMD(P=1)
34  33	SEND_RR_RSP(F=1)
35  34	SEND_ACKNOWLEDGE_RSP(F=1)
36  35	SEND_RR_XXX(X=0)
37  36	SEND_ACKNOWLEDGE_XXX(X=0)
38  37	SEND_SABME_CMD(P=X)
39  38	SEND_UA_RSP(F=X)
40  39	S_FLAG:=0
41  40	S_FLAG:=1
42  41	START_P_TIMER
43  42	START_ACK_TIMER
44  43	START_REJ_TIMER
45  44	START_ACK_TIMER_IF_NOT_RUNNING
46  45	STOP_ACK_TIMER
47  46	STOP_P_TIMER
48  47	STOP_REJ_TIMER
49  48	STOP_ALL_TIMERS
50  49	STOP_OTHER_TIMERS
51  50	UPDATE_N(R)_RECEIVED
52  51	UPDATE_P_FLAG
53  52	DATA_FLAG:=2
54  53	DATA_FLAG:=0
55  54	DATA_FLAG:=1
56  55	IF_DATA_FLAG_=0_THEN_DATA_FLAG:=1
57  56	P_FLAG:=0
58  57	P_FLAG:=P
59  58	REMOTE_BUSY:=0
60  59	RETRY_COUNT:=0
61  60	RETRY_COUNT:=RETRY_COUNT+1
62  61	V(R):=0
63  62	V(R):=V(R)+1
64  63	V(S):=0
65  64	V(S):=N(R)
66  65	F_FLAG:=P
67  66	REPORT_STATUS(FRMR_RECEIVED)
68  67	REPORT_STATUS(FRMR_SENT)
69  68	REPORT_STATUS(REMOTE_BUSY)
70  69	REPORT_STATUS(REMOTE_NOT_BUSY)
71  70	RESET_INDICATION(LOCAL)
72  71	RESET_INDICATION(REMOTE)
73