Changes in the version 1.21
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Added basic implementation of Acorn Atom system.
This version implements both standard (2K RAM) and extended configurations (12K RAM) as well as custom 40K RAM configuration.
All video modes, both mono and color are implemented;
Two examples of ROMs are included with emulator (integer and floating point Basic).
Changes in the version 1.20.2
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* Implemented keyboard language switcher settings allowing to specify internal key combination Ctrl+Shift to switch layouts (rus/eng).
This may be useful for Linux/Wine users because Wine doesn't supports keyboard locales.
* Setup script has been considerably improved allowing to specify default system type for each of supported disk image extensions.
Changes in the version 1.20.1
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Improved emulation of TEAC drive. Now it shows true rotation period 200 ms in speed tests.
Added example of Fantavision for Agat-9.
Changed behaviour of Caps Lock and Shift buttons in Apple //e and Pravetz 8A.
Fixed keyboard emulation code for Pravetz 8A.