| Z88 Developers' Notes | ||
|---|---|---|
| Contents | Contents of System Calls | |
OZ_Buf, buffer service routine
CALL $0051
IN:
L = reason call
OUT:
Depends on the reason.
Registers changed after return:
..BCDEHL/IXIY same
AF....../.... different
Notes:
Internal operating system useage. Removed since 0Z V4.1.
Circulary buffer structure have been fixed to 256 bytes to improve speed. All the calls to this routine are direct and all the code have been relocated in low ram for speed.