| OSByte call |
Action |
Available on: |
| (dec) |
(hex) |
BBC |
Master |
Electron |
| 13 |
0D |
Disable events |
x |
x |
x |
| 14 |
0E |
Enable events |
x |
x |
x |
Entry parameters
On exit:
| A |
preserved |
| X |
Old disable state: 0=disabled, >0 enabled |
| C |
undefined |
OSBYTE 13 is used to disable specific events.
OSBYTE 14 is used th enable specific events.
Event type passed in X
| X |
Event |
| 0 |
output buffer empty |
| 1 |
input buffer full |
| 2 |
character entering buffer |
| 3 |
ADC conversion complete |
| 4 |
start of vertical sync |
| 5 |
interval timer crossing 0 |
| 6 |
ESCAPE pressed |
| 7 |
RS423 RX error |
| 8 |
network error |
| 9 |
user |