Sharp MZ-5600 - 2-5 IPL Sequence

Set up 8086's VOC1, WOC
and GOC.
Fig. 7
REFRESH START
-11-
-
MZ-5600
2-51PL sequence
1) When the MZ-5600 system is powered up, the IPL
program contained in the ROM is automatically initiated
to execute the following sequence.
2) If section 2 of the DIP switch is ON, the system enters
the Check mode (see the description of Check mode). In
any other case, the system proceeds with the following
step (3).
3) A message "SYSTEM LOADING" appears on the video
monitor, and
the loader is loaded from Drive zero into
the system according to the information contained on
sector
1 of track O. When loading is completed, control
skips to the first address at the loader.
If an error occurred during loading, the system provides
the following message display and waits until a new
diskette
is placed in the drive. When the new diskette is
inserted, the system resumes the loading sequence.
i)
If no disk is placed in the drive or the diskette in the
drive
is not the system diskette:
NO SYSTEM DISK
ii) If a failure occurred in the disk or drive:
ERROR WHILE LOADING