8 64K on on on on d0000 dbfff
9 off on on on c0000 cbfff
10 off off on on e0000 ebfff
12 32K on on off on d8000 dbfff
13 off on off on c8000 cbfff
14 off off off on e8000 ebfff
16 DBR ROM on on dc000 dffff
20 Note that the 2K mode is set by SW3/SW4 on/off or off/off. Address
21 assignment is through the RBSA register.
39 SW8 SW9 SW10 SW11 SW12
60 64K on on on on c0000 cffff
61 on off on on d0000 dffff
62 off on on on e0000 effff
64 32K on on off off c8000 cffff
65 on off off off d8000 dffff
66 off on off off e8000 effff
68 Illegal off off - - - -
86 SW8 SW9 SW10 SW11 SW12