RISC OS Keymapping
                                            ==================

+===+======+======+=====+=====+=====+=====+=====+=====+======+=====+=======+=====+=====+=====+======+======+
|   |   0  |   1  |  2  |  3  |  4  |  5  |  6  |  7  |   8  |  9  |   A   |  B  |  C  |  D  |   E  |   F  |
+===+======+======+=====+=====+=====+=====+=====+=====+======+=====+=======+=====+=====+=====+======+======+
|00x|      |      |     |     |     |     |     |     |  BS  | Tab |       |     |     |Retrn|      |      |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|01x|      |      |     |     |     |     |     |     |      |     |       | Esc |     |     | Home |      |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|07x|      |      |     |     |     |     |     |     |      |     |       |     |     |     |      |  Del |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|18x|  F0  |  F1  | F2  | F3  | F4  | F5  | F6  | F7  |  F8  | F9  |  Tab  | End | <-  | ->  |  Dn  |  Up  |
|   | Prnt |      |     |     |     |     |     |     |      |     | Break |     |     |     | sPgDn| sPgUp|
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|19x| sF0  |  sF1 | sF2 | sF3 | sF4 | sF5 | sF6 | sF7 |  sF8 | sF9 |  sTab | sEnd| s<- | s-> |  sDn | sUp  |
|   |sPrnt |      |     |     |     |     |     |     |      |     | sBreak|     |     |     | PgDn | PgUp |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|1Ax| cF0  |  cF1 | cF2 | cF3 | cF4 | cF5 | cF6 | cF7 |  cF8 | cF9 |  cTab | cEnd| c<- | c-> |  cDn | cUp  |
|   |cPrnt |      |     |     |     |     |     |     |      |     | cBreak|     |     |     |scPgDn|scPgUp|
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|1Bx| scF0 | scF1 |scF2 |scF3 |scF4 |scF5 |scF6 |scF7 | scF8 |scF9 | scTab |scEnd|sc<- |sc-> | scDn | scUp |
|   |scPrnt|      |     |     |     |     |     |     |      |     |scBreak|     |     |     | cPgDn| cPgUp|
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|1Cx|  LWin| Menu |     |     |     |     |     |     |      |     |  F10  | F11 | F12 | Ins | MsDn | MsUp |
|   | sRWin|      |     |     |     |     |     |     |      |     |       |     |     |     |      |      |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|1Dx| sLWin| sMenu|     |     |     |     |     |     |      |     |  sF10 | sF11| sF12| sIns|sMsDn |sMsUp |
|   |  RWin|      |     |     |     |     |     |     |      |     |       |     |     |     |      |      |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|1Ex| cLWin| cMenu|     |     |     |     |     |     |      |     |  cF10 | cF11| cF12| cIns|cMsDn |cMsUp |
|   |scRWin|      |     |     |     |     |     |     |      |     |       |     |     |     |      |      |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+
|1Fx|scLWin|scMenu|     |     |     |     |     |     |      |     | scF10 |scF11|scF12|scIns|scMsDn|scMsUp|
|   | cRWin|      |     |     |     |     |     |     |      |     |       |     |     |     |      |      |
+---+------+------+-----+-----+-----+-----+-----+-----+------+-----+-------+-----+-----+-----+------+------+

Within the desktop TAB is programmed to be soft key 10 and BREAK does Break/Reset actions. In Wimp Messages
special keypresses are ORed with &100 to distinguish them from top-bit-set characters.