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memory map
HB-501P
&H0000
SLOT®
SLOT 1
MSX-
BASIC
!
i
ROM !
32K
bytes
&H8O0®
I
&HFFFFL
_I
L
_i
SLOT 2
SLOT 3
ITJISmcM
By ». FBE iuBCion
Note
.
When MSX-Disk BASIC is used
address &HE278.
C work area is mapped from the
SPECIFICATIONS
CPU
Processor used
Clock frequency
WAIT
Interrupt
Resetting
Z-80A
3.579545 MHz
1 WAIT at CPU Ml cycle
Maskable interrupt
Z-80A mode 0
mode 1
mode 2
Automatic at power on/Manual
(Memory contents are not maintained.)
Memory
Main memory
ROM
64K bytes RAM
MSX-BASIC: 32K bytes
CRT display
CRT controller
Display screen
Character display
Graphic display
Border area
Output interface
aracter display, graphic display and
'der area
8 dot matrix/character
37 characters*24 lines, 16 colors
initial
"stale in MSX-BASIC is set to
is mode.)
colors
^'(horizontal)
xl92 (vertical) dots
64
blocks (horizontal) *48 blocks
srtical)
Kite function
Number of sprite plane: 32
AL°video
output (6-pin DIN connector):
omposite video signal
1 V p-p, 75 ohms, sync negative
,udio output: -5dBs
signal: TV UHF 36ch
^
- -
-
•
I
I_^
A
■
.
— l_
I/O interface
Keyboard
Software scanning
Total number of keys: 75
Control keys: 12
Function keys: 5
Edit keys: 8
24
1-12
HB-501P
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