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CHAPTER 18 OSDC
■ FONT RAM Memory Map
The FONT area has up to 4096 characters, and that of 16 characters between 4080th and 4096th
becomes the RAM area. The address area of 0x0002F800 through 0x0002FFFF is the RAM
area.
The area is connected in 32-bit unit from the CPU and accesses in the 64-bit unit.
0002_F800h
0002_FFFFh
[bit48 to bit63]
These bits do not use from the OSDC. When accessing from the CPU, the bits can use as the
normal RAM bit . The initial value is indeterminate.
Note :
These bits contain in the MB91FV319 only. The bits do not exist in the MB91F318.
[bit0 to bit47]
These bits assign the FONT RAM memory. The initial value is indeterminate.
626
Figure 18.6-2 FONT RAM Memory Map
63
XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX
XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX
XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX
XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX_XXXXXXXX
:
:
:
0
32 line
X
256
16 Char
WORD
X
1 WORD
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