Sharp MZ-3500 Personal Computer User Manual


 
MZ3500
MAIN
CPU IPL
FLOW
CHART
2/2
I
Check
if
IOCS program
area
is
smaller than
RAM
volume.
YES
LOAD
IOCS
SEEK& READ
Transfer
the
IOCS
program
to
shared
RAM
8000H~-»-F800H~
-
LOAD BOOT
LOAD
BOOT
SSEK&
READ
NO
•SEEK,
READ
ERROR
c
I/O
SYSTEM
LOAD
ERROR
transfer
HALT
CPU
STOP
ERROR
\^
tran:
I/O-SYSTEM
LOAD
ERROR
isfer
BOOT:
Program used
to
start
the
system.
C
HALT
CPU
STOP
Position
of
boostrap
program
on the
media:
Sector
2
thru
5 of
Track
0.
ERROR
ret
rys
^
JUMP
^\
BOOT ADDRESS
)
1
C
BOOTERROR
*
on
disp.
1
(
HALT
CPU
STOP
-
104
-