In this question you will propose a design for an 8 bit architecture, based on t...
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In this question you will propose a design for an 8 bit architecture, based on the 32 bit MIPS architecture and datapath that you have studied.
The standard 32-bit datapath is below for your reference:
Image failed to load: Standard MIPS datapath, showing PC, instruction memory, instruction breakdown bit by bit, register and ALU
Your architecture needs to support a basic set of operations, namely:
- add
- bqz (branch if greater than 0)
- Load Word
- Store Word
- Propose a structure (format) for these instructions, based on the MIPS I and R type instruction.
- Draw a datapath, without pipelining, that will support these instructions.
- Explain how you have adapted each block from the standard MIPS datapath shown above to create your new system.
- Justify how the changes you have made minimise the hardware required to deliver the design specifications.
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