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* Fix CGA memory mapper. * Switch the CPU clock at the timing of biu_done=1'b1. * Modified to switch data sampling timing between Turbo mode and Normal… * Modified CPU core to operate in turbo mode. * Improved access timing to peripherals. * Improved access speed to SDRAM. * Memory map selection according to video mode * Fix READY signals. * Setting timings for tandy_16_gfx mode. * Overscan removal. * changed chipset clock to 50 mhz and rework. * OSD menu update to accept HDD and FDD images. * Added HQ2X and Gamma support. * Add MiSTer Filters support (updated to latest framework)