DE2-70 development board comes with a control panel, you can read the data in the memory, this can be properly connected and read, there are several versions, and some can not be used, and this after I personally tested.

DE2_70_Control_Panel_v1.3.0\DE2_70_Control_Panel.exe
...........................\DE2_70_Control_Panel.INI
...........................\DE2_70_Control_Panel.sof
...........................\DE2_70_Control_Panel_sdram_u2.elf
...........................\DE2_70_Control_Panel_ssram.elf
...........................\nios2-gdb-server.exe.stackdump
...........................\NiosDownloadBatch.bat
...........................\nios_bashrc
...........................\TERASIC_DOWNLOAD.dll
...........................\TERASIC_JTAG.dll
...........................\TERASIC_JTAG_DRIVE.dll
DE2_70_Control_Panel_v1.3.0

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