In this manual, anything displayed on the Cambridge Z88 screen is shown in a computer typeface, such as
Name of file to save
Anything that you should type at the keyboard is shown in a different typeface to designate the keyboard keys; for example
You are invited to a party
The keys on the keyboard with a special function are shown in the text with key legends. So, for example, if you are asked to type
myfile
you would actually type the letters m y f i l e and then press the
In general, references to menu headings are in bold caps; for example LAYOUT.
References to individual commands are in bold; for example Save or Load.
References to options displayed by a command are in italics; for example Save only range of columns.
The 'Square' key is represented using the 
symbol, also identified as the
The 'Diamond' key is represented using the 
symbol, also identified as the
The cursor keys are represented as 
, 
, 
and 
key on normal PC.
We're currently working on this page, we hope to have it done soon.
| Hex | Dec | Code | Description | |
|---|---|---|---|---|
| 00 | 0 | NUL | Null | |
| 01 | 1 | SOH | A | Start of Heading |
| 02 | 2 | STX | B | Start of Text |
| 03 | 3 | ETX | C | End of Text |
| 04 | 4 | EOT | D | End of Transmit |
| 05 | 5 | ENQ | E | Enquiry |
| 06 | 6 | ACK | F | Acknowledge |
| 07 | 7 | BEL | G | Bell |
| 08 | 8 | BS | H | Backspace |
| 09 | 9 | HT | I | Horizontal Tab |
| 0A | 10 | LF | J | Line Feed |
| 0B | 11 | VT | K | Vertical Tab |
| 0C | 12 | FF | L | Form Feed |
| 0D | 13 | CR | M | Carriage Return |
| 0E | 14 | SO | N | Shift Out |
| 0F | 15 | SI | O | Shift In |
| 10 | 16 | DLE | P | Data Line Escape |
| 11 | 17 | DC1 | Q | X On |
| 12 | 18 | DC2 | R | Aux On |
| 13 | 19 | DC3 | S | X Off |
| 14 | 20 | DC4 | T | Aux Off |
| 15 | 21 | NAK | U | Negative Acknowledge |
| 16 | 22 | SYN | V | Synchronous File |
| 17 | 23 | ETB | W | End of Transmitted Block |
| 18 | 24 | CAN | X | Cancel |
| 19 | 25 | EM | Y | End of Medium |
| 1A | 26 | SUB | Z | Substitute |
| 1B | 27 | ESC | [ | Escape |
| 1C | 28 | FS | \ | File Separator |
| 1D | 29 | GS | ] | Group Separator |
| 1E | 30 | RS | £ | Record Separator |
| 1F | 31 | US | - | Unit Separator |
| 20 | 32 | Space | ||
| 21 | 33 | ! | ||
| 22 | 34 | " | ||
| 23 | 35 | |||
| 24 | 36 | $ | ||
| 25 | 37 | % | ||
| 26 | 38 | & | ||
| 27 | 39 | ' | ||
| 28 | 40 | ( | ||
| 29 | 41 | ) | ||
| 2A | 42 | * | ||
| 2B | 43 | + | ||
| 2C | 44 | , | ||
| 2D | 45 | - | ||
| 2E | 46 | . | ||
| 2F | 47 | / | ||
| 30 | 48 | 0 | ||
| 31 | 49 | 1 | ||
| 32 | 50 | 2 | ||
| 33 | 51 | 3 | ||
| 34 | 52 | 4 | ||
| 35 | 53 | 5 | ||
| 36 | 54 | 6 | ||
| 37 | 55 | 7 | ||
| 38 | 56 | 8 | ||
| 39 | 57 | 9 | ||
| 3A | 58 | : | ||
| 3B | 59 | ; | ||
| 3C | 60 | < | ||
| 3D | 61 | = | ||
| 3E | 62 | > | ||
| 3F | 63 | ? | ||
| 40 | 64 | @ | ||
| 41 | 65 | A | ||
| 42 | 66 | B | ||
| 43 | 67 | C | ||
| 44 | 68 | D | ||
| 45 | 69 | E | ||
| 46 | 70 | F | ||
| 47 | 71 | G | ||
| 48 | 72 | H | ||
| 49 | 73 | I | ||
| 4A | 74 | J | ||
| 4B | 75 | K | ||
| 4C | 76 | L | ||
| 4D | 77 | M | ||
| 4E | 78 | N | ||
| 4F | 79 | O | ||
| 50 | 80 | P | ||
| 51 | 81 | Q | ||
| 52 | 82 | R | ||
| 53 | 83 | S | ||
| 54 | 84 | T | ||
| 55 | 85 | U | ||
| 56 | 86 | V | ||
| 57 | 87 | W | ||
| 58 | 88 | X | ||
| 59 | 89 | Y | ||
| 5A | 90 | Z | ||
| 5B | 91 | [ | ||
| 5C | 92 | \ | ||
| 5D | 93 | ] | ||
| 5E | 94 | ^ | ||
| 5F | 95 | _ | ||
| 60 | 96 | |||
| 61 | 97 | a | ||
| 62 | 98 | b | ||
| 63 | 99 | c | ||
| 64 | 100 | d | ||
| 65 | 101 | e | ||
| 66 | 102 | f | ||
| 67 | 103 | g | ||
| 68 | 104 | h | ||
| 69 | 105 | i | ||
| 6A | 106 | j | ||
| 6B | 107 | k | ||
| 6C | 108 | l | ||
| 6D | 109 | m | ||
| 6E | 110 | n | ||
| 6F | 111 | o | ||
| 70 | 112 | p | ||
| 71 | 113 | q | ||
| 72 | 114 | r | ||
| 73 | 115 | s | ||
| 74 | 116 | t | ||
| 75 | 117 | u | ||
| 76 | 118 | v | ||
| 77 | 119 | w | ||
| 78 | 120 | x | ||
| 79 | 121 | y | ||
| 7A | 122 | z | ||
| 7B | 123 | { | ||
| 7C | 124 | | | ||
| 7D | 125 | } | ||
| 7E | 126 | ~ | ||
| 7F | 127 | DEL | Delete | |
| A0 | 160 | |||
21 33 4E 78 N
22 34 4F 79 0
23 35 # 50 80 P
24 36 $ 51 81 0
25 37 % 52 82 R
26 38 & 53 83 S
27 39 54 84 T
28 40 55 85 U
29 41 56 86 V
2A 42 57 87 W
2B 43 + 58 88 X
2C 44 59 89 Y
2D 45 5A 90 z
2E 46 5B 91 [
2F 47 5C 92
30 48 0 5D 93 ]
31 49 1 5E 94 A
32 50 2 5F 95
33 51 3 60 96
34 52 4 61 97 a
35 53 5 62 98 b
36 54 6 63 99 C
37 55 7 64 100 d
38 56 8 65 101 e
39 57 9 66 102 f
3A 58 67 103 g
3B 59 68 104 h
3C 60 < 69 105 i
3D 61 6A 106 j
3E 62 > 6B 107 k
3F 63 ? 6C 108 1
40 64 @ 6D 109 m
41 65 A 6E 110 n
42 66 B 6F 111 o
43 67 C 70 112 p
44 68 D 71 113 q
45 69 E 72 114 r
46 70 F 73 115 s
47 71 G 74 116 t
48 72 H 75 117 u
49 73 I 76 118 v
4A 74 J 77 119 w
4B 75 K 78 120 x
4C 76 L 79 121 y
4D 77 M 7A 122 z
Hex Dec Code Description
7B 123 {
7C 124
7D 125
7E 126
7F 127 DEL Delete
AO 160 Exact space
A7 163 £ Pound
Special characters
These are obtained by executing VDU 1, n from BASIC, where n is the number of the character.
Code Character Code Character
32 Dot space 231 'HELP' sign (3 char)
33 Alarm bell 240 Hollow left arrow
39 Aposed 241 Hollow right arrow
42 Square 242 Hollow down arrow
43 Diamond 243 Hollow up arrow
45 Shift 244 Head arrow left
224 'SPACE' sign (3 char) 245 Head arrow right
225 'ENTER' sign (3 char) 246 Head arrow down
226 'TAB' sign (3 char) 247 Head arrow up
227 'DEL' sign (3 char) 248 Arrow left
228 'ESC' sign (3 char) 249 Arrow right
229 'MENU' sign (3 char) 250 Arrow down
230 'MEX'sign (3 char) 251 Arrow up
Character modes
VDU 1,ASC"B" Bold toggle VDU 1,ASC"F" Flash toggle VDU 1,ASC"G" Grey toggle VDU 1,ASC"R" Reverse toggle VDU 1,ASC"T" Tiny font toggle VDU 1,ASC"U" Underline toggle