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" 2"

HardWareMan . 2 :

. ( / RAM - / ROM - ), : / RAM - / ROM - / STD. " ". . 3 ( ). , . . 32 2 ( ) 3 ( ). , , 48 , SD : 32 , . , : , . / :

FFE0H / F000H
4
U7, (58055)
FFE4H / F004H
4
U6, (58055)
FFE8H / F008H
4
U5, (181893)
FFECH / F00CH
4
U4, (58053)
FFF0H / F010H
4
U3, SPI SD/MMC ,
FFF4H / F014H
4
U2,
FFF8H / F018H
2
U1, D7...D0 -
FFFAH / F01AH
2
U1, D0=0 - , D0=1 -
FFFAH / F01AH
2
U1, D1=0 - 5 , D1=1 - 8
FFFCH / F01CH
4
U0, (0...3), .

 

0
0000H...FFDFH
,
0
FFE0H...FFFFH
-
1
0000H...FFBFH
RAM -
1
FFC0H...FFDFH
,
1
FFE0H...FFFFH
-
2
0000H...7FFFH
ROM -
2
8000H...FFDFH
2
FFE0H...FFFFH
-
3 (ROM_EN=0)
0000H...7FFFH
ROM -
3 (ROM_EN=0)
8000H...EFFFH
3 (ROM_EN=0)
F000H...F7FFH
-
3 (ROM_EN=0)
F800H...FFFFH
3 (ROM_EN=1)
0000H...EFFFH
3 (ROM_EN=1)
F000H...F7FFH
-
3 (ROM_EN=1)
F800H...FFFFH

:
- - 2 2,5 ();
- - 58080 Z80;
- - 512 ;
- - 48 ;
- - 384 256 VGA 800 600 ;
- - 5 / 8 / 16 "" .


ROM_EN U1.1. 3, ROM_EN=0. "", SD / MMC , , , ( , : , ). , 2 0000H. . "" . 0 U0.0, 1 U0.1, 2 U0.2 3 U0.3 ( ). , "" F7FCH...F7FFH, FFFCH...FFFFH .
. ( ).

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