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3.1.5. Example of VRAM allocation for TEXT1 mode
00000h
Pattern layout
table 0
003BFh
00800h
Pattern generator
table 0
00FFFh
01000h
Pattern layout
table 1
013BFh
01800h
Pattern generator
table 1
01FFFh
1FFFFh
© 1985 ASCII CORP. / NIPPON GAKKI CO.
MSB
7
6
R#2
0
0
A16 A15 A14 A13
MSB
7
6
R#4
0
0
A16 A15 A14 A13 A12 A11
MSB
7
6
R#2
0
0
A16 A15 A14 A13 A12 A11 A10
MSB
7
6
R#4
0
0
A16 A15 A14 A13 A12 A11
Maximum of 32 pages may be allocated in the same
manner if VDP has 128K bytes attached to it.
Page 28 of 108
5
4
3
2
1
0
0
0
0
0
A12 A11 A10
5
4
3
2
1
0
0
0
0
0
5
4
3
2
1
0
0
0
1
0
5
4
3
2
1
0
0
0
0
1
© 2010-2015 Eugeny Brychkov
0
LSB
0
0
LSB
1
0
LSB
0
0
LSB
1
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