OsWord Call Summary
			    ===================

dec.  hex.	function			      control block length 
 0	00	Read input line					5
 1	01	Read system clock (TIME)			5
 2	02	Write system clock (TIME)			5
 3	03	Read interval timer				4
 4	04	Write interval timer				4
 5	05	Read i/o memory					5
 6	06	Write i/o memory				5
 7	07	SOUND command					6
 8	08	ENVELOPE command				14
 9	09	Read pixel value (POINT)			5
 10	0A	Read character definition			11
 11	0B	Read palette					5
 12	0C	Write palette					5
 13	0D	Read graphics positions				8
 14	0E	Read real time clock (TIME$)			25
 15	0F	Write real time clock (TIME$)			25
 16	10	Econet TRANSMIT and immediate commands (NFS)
 17	11	Set up/read RECIEVE block (NFS)
 18	12	Read argument block (NFS)
 19	13	Read/write station info (NFS)
 20	14	Communicate with fileserver, etc. (NFS)
 21	15	Define pointer and mouse parameters
 22	16	Write screen base address
 23	17
 24	18
 25	19
 26	1A
 27	1B
 28	1C
 29	1D
 30	1E
 31	1F
 32	20	Window handler call (BAU)
 33	21
 34	22
 35	23
 36	24
 37	25
 38	26
 39	27
 40	28	Millipede Prisma 2 graphics processor call
 41	29	Millipede Prisma 2 graphics processor call
 42	2A	Millipede Prisma 2 graphics processor call
 43	2B	Millipede Prisma 2 graphics processor call
 44	2C	Millipede Prisma 2 graphics processor call
 45	2D	Millipede Prisma 2 graphics processor call
 46	2E	Millipede Prisma 2 graphics processor call
 47	2F	Millipede Prisma 2 graphics processor call
 48	30	Millipede Prisma 2 graphics processor call
 49	31	Millipede Prisma 2 graphics processor call
 50	32
 51	33
 52	34
 53	35
 54	36	Stop Press routines
 55	37
 56	38
 57	39
 58	3A
 59	3B


			    OsWord Call Summary
			    ===================

dec.  hex.	function
 60	3C
 61	3D
 62	3E
 63	3F
 64	40	Read mouse coordinates (AMX)
 65	41	AMX Rom commands (AMX)
 66	42	Read/write from/to sideways ram
 67	43	Load/save sideways ram
 68	44	Low level AMX commands
 69	45	Move/swap memory contents (Aries-B32)
 70	46	BBC Soft
 71	47
 72	48
 73	49
 74	4A
 75	4B
 76	4C
 77	4D
 78	4E
 79	4F
 80	50
 81	51
 82	52
 83	53
 84	54
 85	55
 86	56
 87	57
 88	58
 89	59
 90	5A	Read/write sectors (HADFS), etc., and other HCE calls
 91	5B
 92	5C
 93	5D
 94	5E
 95	5F	BBC Soft Monitor functions
 96	60	Read MSN and status (VFS)
 97	61
 98	62	Access LVROM controller, read/write sectors (VFS)
 99	63	Read last error information (VFS)
100	64	Read current F-code (VFS)
101	65
102	66
103	67
104	68
105	69
106	6A
107	6B
108	6C
109	6D
110	6E	Read a byte from ram board (WE Ram board)
111	6F	Write a byte to ram board (WE Ram board)
112	70	Read MSN and status (ADFS)
113	71	Read disk free space (ADFS)
114	72	Read/write sectors, etc. (ADFS)
115	73	Read last error information (ADFS)
116	74
117	75
118	76
119	77


			    OsWord Call Summary
			    ===================

dec.  hex.	function
120	78
121	79
122	7A	Telesoftware control functions
123	7B	Modem commands
124	7C
125	7D	Read MSN (DFS)
126	7E	Read disk size (DFS)
127	7F	Read/write sectors, etc. (DFS)
128	80	IEEE control functions
129	81
130	82	Read/write Cambridge Ring parameters
131	83	Cambridge Ring data transmission
132	84	Cambridge ring polling
133	85
134	86
135	87
136	88
137	89	Read teletext pixel (Dump-Out 3)
138	8A	Set teletext pixel (Dump-Out 3)
139	8B
140	8C
141	8D
142	8E
143	8F
144	90	Network service interface
145	91
146	92
147	93
148	94
149	95
150	96
151	97
152	98
153	99
154	9A
155	9B
156	9C
157	9D
158	9E
159	9F
160	A0	Isolated word recogniser
161	A1
162	A2
163	A3
164	A4
165	A5
166	A6
167	A7
168	A8
169	A9
170	AA
171	AB
172	AC
173	AD
174	AE
175	AF
176	B0
177	B1
178	B2
179	B3


			    OsWord Call Summary
			    ===================

dec.  hex.	function
180	B4
181	B5
182	B6
183	B7
184	B8
185	B9
186	BA
187	BB
188	BC
189	BD
190	BE	HCE disassembly routines (Dissem)
191	BF
192	C0
193	C1
194	C2
195	C3
196	C4
197	C5
198	C6
199	C7
200	C8
201	C9
202	CA
203	CB
204	CC
205	CD
206	CE
207	CF
208	D0
209	D1
210	D2
211	D3
212	D4
213	D5
214	D6
215	D7
216	D8
217	D9
218	DA
219	DB
220	DC
221	DD
222	DE
223	DF
224	E0
225	E1
226	E2
227	E3
228	E4
229	E5
230	E6
231	E7
232	E8
233	E9
234	EA
235	EB
236	EC
237	ED
238	EE
239	EF


			    OsWord Call Summary
			    ===================

dec.  hex.	function
240	F0
241	F1
242	F2
243	F3
244	F4
245	F5
246	F6
247	F7
248	F8
249	F9
250	FA	80186 memory transfer (80186 Host)
251	FB	80186 FDC sector read/write (80186 Host)
252	FC	80186 cursor, scrolling and mouse control (80186 Host)
253	FD
254	FE	Z80 SP Disk read (Z80 CP/M)
255	FF	Z80 memory transfer (Z80 Host)
255	FF	80186 fast graphics update (80186 Host)

Calls 224 to 255 (&E0 to &FF) are sent through the USERV vector.  The
maximum length of the control block for calls 0 to 15 is set to be enough
for the call. The maximum length of the control block for calls 16 (&10)
to 127 (&7F) is 16 bytes.  The maximum length of the control block for
calls 128 (&80) to 255 (&FF) is set in the control block.  The first byte
is the sent length, and the second byte is the received length.