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VHDL? repost from ICE forum
VHDL? repost from ICE forum –
I'm sorry to repost this here, but I wasm't getting any response and this more mod chip related.
This is probably the wrong, but what is VHDL used for in relation to mod chips and what is a good to start learning VHDL? I ask because the class I'm taking is ending with a little VHDL and I saw it mentioned previously in a news post about a mod chip (i think it was the ripper chip)
VHDL is the language used by modchip developers to program thier modchips. Many of the ps2 and even xbox modchips all use programable chips called Gate Arrays and more specifically, Actel's ProAsic chip. In order to get these gate arrays to do something you need to program them with the VHDL language. VHDL can be used to program the way every single pin on the array acts. For instance, whether it is an input or output, and what is suppossed to happen electronically between 2 pins. So what modchip developers do is program the copy protection code into the chip and have it sent to the ps2 in order to get past not having the protection code on the "backup" game itself. VHDL also can be used to program other gate arrays such as those from Xilinx and Pluto. For more info on gate arrays and VHDL take a look at http://www.fpga4fun.com/