6.
6
6.1
....................................................................................................................................... 159
6.1.1
...................................................................................................... 159
6.1.2
............................................................................................ 160
6.1.3
................................................................................................ 161
6.1.4
......................................................................................... 161
6.2
................................................................................................................... 162
6.2.1
BCR
........................................................ 162
6.2.2
WSCR
................................. 163
6.3
....................................................................................................................... 166
6.3.1
................................................................................................ 166
6.3.2
............................................................................... 167
6.3.3
...................................................................................... 167
6.3.4
I/O
.................................................................................... 168
6.4
......................................................................................................... 169
6.4.1
...................................................................................................... 169
6.4.2
........................................................ 169
6.4.3
...................................................................................... 171
6.4.4
...................................................................................... 172
6.4.5
......................................................................................... 180
6.5
ROM
................................................................................................ 182
6.5.1
...................................................................................................... 182
6.5.2
...................................................................................... 182
6.5.3
......................................................................................... 183
6.6
................................................................................................................... 184
6.6.1
................................................................................................ 184
6.6.2
.............................................................. 185
6.7
......................................................................................................... 186