&04 (4) enable/disable cursor editing

OSByte call Action Available on:
(dec) (hex) BBC Master Electron
4 04 Enable/Disable cursor editing x x x

Entry parameters

X Status of the editiing keys

On exit:

A preserved
X Previous status of keys
C undefined

X=0 Enable cursor editing (default).

X=1 Disable editing, cursor keys return ASCII values like other keys.

X=2 Disable editing, cursor keys act as soft keys.

Key X=1 X=2
Hex Decimal Soft key
COPY &87 135 11
LEFT &88 136 12
RIGHT &89 137 13
DOWN &8A 138 14
UP &8B 139 15