
8.6 Cartridge emulation
$D596: SDX Configuration (r/w)
7 6 5 4 3 2 1 0
- - - - - - config
00 SpartaDOS X deactivated
01 SpartaDOS X in freezer RAM starting at bank 0
10 SpartaDOS X in flash ROM starting at bank 0
11 SpartaDOS X in flash ROM starting at bank 64
8.6.2.1 Additional registers in 8k mode with TURBO FREEZER 2005 bank
switching
$D540. . . $D57F: Bank Select (r/w)
7 6 5 4 3 2 1 0
- - - - - - - -
A read or write access to this area selects the bank. An access to address $D540 selects
bank 0, $D541 selects bank 1, . . . , $D57F selects bank 63. If the bank register $D590 is
set to a bank in the range 64. . . 127, then $D540. . . $D57F will refer to the banks 64. . . 127
instead of the banks 0. . . 63.
$D580: Cart Disable (r/w)
7 6 5 4 3 2 1 0
- - - - - - - -
A read or write access to this register disables the module.
$D581: Cart Enable (r/w)
7 6 5 4 3 2 1 0
- - - - - - - -
A read or write access to this register enables the module.
$D584: Write Disable (r/w)
7 6 5 4 3 2 1 0
- - - - - - - -
A read or write access to this register disables write access to the module.
$D585: Write Enable (r/w)
7 6 5 4 3 2 1 0
- - - - - - - -
A read or write access to this register enables write access to the module.
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