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flexloader is a small utility to configure SRAM base ALTERA devices.
It downloads a code to the device SRAM using the ALTERA ByteBlaster 
or a clone (see byteblaster.png for a schematic). It dialogs with it
through the parallel interface, using parport. Note that you should 
have access rights to the parallel port.

It should support APEX20K, FLEX10K, FLEX6000 and ACEX1K families, 
though I only tested it on a FLEX10K10 device.

It currently only support files in raw binary format (.rbf), but others
format such as HEX or TTF may be implemented later.

It's use is very simple:

  flexloader /dev/parport0 code.rbf

flexloader currently supports a few options switches, you can get them 
using:
  
  flexloader --help