This project is aimed to produce modified MK88 BIOS with new features:
1. Improved keyboard driver
2. Support for cp866 encoding
3. Support for DS/DD drives
4. Support for ROM extension cards
...Several peripherals are also implemented in a somewhat minimalistic way, but enough to be able to boot an IBM PCXT compatible bios and MSDOS 6.22. The current implementation is only proven to boot the bios and DOS in simulation. The system is targeted to run on the DE2-70 board. In order to run the system in hardware a SDRAM and SRAM controller need to be added. These are currently in development.
Input/output (IO) C library exposing a common API for real mode and permission-restricted access to parallel port under Windows, Linux and MS-DOS operative systems. It also allows pin-by-pin port access.
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