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Altera_Forum's avatar
Altera_Forum
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14 years ago

MIPS vs Nios II instruction

I am trying to make a MIPS instruction readable by Nios ii (using macros). The instruction moves the content of hi (or low) register to a specified register say for example $reg_A. For th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Yes I am trying to convert some MIPS instructions into a from that Nios II can process it.

I created custom instruction for mult and multu, but the problem is that Nios II uses three operands while MIPS uses only two and as I said earlier MIPS stores the result in lo register.

with this situation, I would have trouble writing the macro as well.

How can I deal with this?