Unofficial Name: RunGraphingHook
BCALL Address: 4FF0
Checks the first byte of the block for the Graph Hook. If the byte is 83, the hook is run. Otherwise, the active flag for the hook is set to zero.
The block for the Graph Hook must be set up correctly.
- HL points to the start of the hook.
- F is 6A if the hook was not run.
- Depends on hook, might destroy everything.
This BCALL is known to be present in OS 1.13, and is undocumented.
Credits and Contributions
- Michael Cimino (probably)