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Altera_Forum
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12 years ago

Controller with counter [CPU - help]

Hello, I have been assigned a task in my new course called VHDL (first time in VHDL environment) doing a simple CPU. What I have done so far are the following (All simulated and working as ex...
Altera_Forum's avatar
Altera_Forum
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12 years ago

Thanks Bertulus,

The problem has been solved. The instruction set was stored inside the architecture of the ROM that was made before.

And regarding the counter and the different states - Counter starts with 0 (goes from 0 - 15 ( Each round gives it a tick ), 4 bits) and when a signal called STEP goes high it goes through the different states.

However, one thing I'm not settled with is the RW in the second state. Is the RW supposed to get set to 1 by itself or should I have an in signal thats sets it?

Cheers