Software (memory) configuration, 1. sdo (initialize state), Main cpu – Sharp MZ-3500 User Manual
Page 8: Mz3500, Offf, Rom (spare) ram sd ram sc ram sb ram sa
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MZ3500
2. SOFTWARE (MEMORY) CONFIGURATION
Memory will be operated under four states of SDO ~ SD3,
depending
on
the
hardware
and
software
configurations.
In the paragraphs to follow, description will be made for
those four states.
2-1. SDO (INITIALIZE STATE)
SDO can only exist immediately after power on, and the
system
executes
IPL
under
this
condition
and
that
the
system
thus loaded
will
automatically
assign memory
area
for SDÌ, SD2. and SD3.
MAIN CPU
SUB CPU
MSI = 0 (L)
MSO = 0 (L)
2 0 0 0
OFFF
0 0 0 0
ROM
(SPARE)
RAM SD
RAM SC
RAM SB
RAM SA
5F^FF
5800
57PF
5000
4FFF
i m
4 000
ROM
1 PL
0 0 0 0
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