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PDF MZ-1T01 Data sheet ( Hoja de datos )
| Número de pieza | MZ-1T01 | |
| Descripción | PERSONAL COMPUTER SERVICE MANUAL | |
| Fabricantes | Sharp | |
| Logotipo |  |
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MZ-700
- r '. . . . .S. . .H. . .A. . .R. . . .P. . . . .S. .E. .R. . .V. .I.C. .E. . . .M. . A. . .N. .U. .A. . .L. . . . . . . . . .. .
CODE: OOZMZ700SM I/E
PERSONAL COMPUTER
MODEL MZ-700
MZ-1TOl
MZ-1POl
(FOR THE MZ-lPOI MECHANICAL SECTION
REFER TO THE DPG2306 SERVICE MANUAL)
INDEX
1. SPECIFICATIONS. . . . . . . . . . . . . . . . . .. . . . . . .. . . . . . .. . . .. . . .. 1
2. NAMES OF FUNCTIONAL COMPONENTS. . . . . . . . . . . . . . . . . . . .. 2
3. SYSTEM BLOCK DIAGRAM .............................. _.. 3
4. SYSTEM DESCRIPTION. . . . . . . . . . . . . • . . . . . . . . . . . . . •. . . . . . .. 4
5. DATA RECORDER .................................... .... 15
6. COLOUR ENCODER ....... . ........ . . .. ...... . ............ 19
7. MICRO COLOUR GRAPHIC PRINTER ......................... 20
8. POWER SUPPLy ................... . ............. • ........ 24
9. IC SIGNAL POSITION .......................•........... . . 27
10. CIRCUIT DIAGRAM & PARTS LAyOUT ...•. .. ... .. .... .. .... 29
11. PARTS GUIDE & LIST
SHARP CORPORATION
1 page  
4. SYSTEM DESCRIPTION
4-1. Memory map
a) At power on
$0000
$1000
$1200
MONITOR
(ROM)
MONITOR WORK
$0000
$1000
SYSTEM
and
TEXT AREA
(DRAM)
$0000
$0800
$EOoo
V·RAM<CHARACTER>
(SRAMI
V·RAM<COLORDATA>
(SRAMI
KEY and TIMER PORT
$0000
$FOoo
FLOPPY CONTROLLER
SYSTEM (DRAM)
and
TEXT AREA
SYSTEM
and
TEXT AREA
(DRAM)
Enable
Disable
• Shown above is the memory map at the time of power
on. VRAM contents from$DOOO to $DFFF differ from
the MZ·80K.
• The monitor (ROM) has the same entry point as that of
the MZ·80K.
b) Bootstrap (loading of system program)
$0000
$1000
MONITOR
(ROfv\)
$0000
Ir--
1'-
LOAD
$7EOD
SYSTEM
Boot PROGRAM ~
'11
$0000
V·RAM
$0000
$EOoo
V·RAM
KEY and TIMER PORT
SYSTEM
SYSTEM
Eneble
Disable
• With the input of the LOAD command of the monitor,
the BASIC loading program is transferred to the system
area composed of the RAM and starts to bootstrap.
(Only the cassette tape is subject to bootstrapping in
this case).
• Boot command: L
• With the entry of the boot command L, only the tape
loading program is transferred to the system area and the
system program is loaded to the system area designated
in the DRAM.
NOTE: The boot program shown in the figure is the
program loaded from the tape and is not the
program from the monitor (ROM).
c) System initiation
$0000
$1000
MONITOR
(ROM)
$0000 , - - - - - ,
SYSTEM
$1000 ----------------------
.$0000 ,-------,
V·RAM
V·RAM
$Eooo I--KE-Y-ond-TI-M-ER-P-OR-T-l
$0000 ---------------------------
:$Fooo 1 - - - - - - - - 1
Disable
Enable
• The above memory map is valid upon completion of
system program loading.
• The system program is programmed to switch the
memory depending upon what is accessed, VRAM,
keyboard, or timer.
d) At the time of manual reset
$0000
$1000
MONITOR
(ROM)
I$0000
SYSTEM
$1000 ~-----~
SYSTEM
$0000
V·RAM
V-RAM
$EOoo
KEY and TIMER PORT
$FOoo
$0000 ,-------,
SYSTEM
Enable
Disable
4
5 Page 
Memory Management (1)
,...
IORN "
A1 0
A2 0
A3 0
A4 0
A5 0
AS
A7
0.....
"
AO 0
WRN 0
A15 0
A14 0
A13
-A12 0
0MRQN
0RFSN
AND
~
-.""""
,3
\.
'" r-- 4
"" 4
,'\ \
RDN 0
-PHI 0
:::.A11
A10
A9
~
'-
AB 0
~
4
\.
•
-0 PRCN
BLNK
2
LACH
INH1
INH2
INH3
:I-;
u
!!:
U
(/)
a<C:
'----
Z
0
~
<C
(f.I
Z
aw..
~
0
U
•
~
CSDD
RASN
INH1
AND
')
'"
CSON
INH2
INH3
AND
- WAIT
CYCLE
CIRCUIT
CSDN
1
INH2
INH3
AND
-0 WATN
CSEN
10
11 Page | ||
| Páginas | Total 59 Páginas | |
| PDF Descargar | [ Datasheet MZ-1T01.PDF ] | |
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