IN:
BHL = pointer to alarm block
OUT, if call successful:
Fc = 0
OUT, if call failed:
Fc = 1
A = error code:
RC_BAD ($04), bad alarm block, fatal error
Registers changed after return:
...CDE../IXIY same
AFB...HL/.... different |
GN_Aab, allocate alarm block
GN_Alp, process an expired alarm (internal OZ usage)
GN_Lab, link an alarm block into the alarm chain
GN_Uab, unlink an alarm block from the alarm chain
OS_Alm, alarm manipulation (internal OZ usage)