Category Archives: DSP 56300 emulation

My blog about the progress in emulating a Motorola / Freescale DSP 56300

DSP 56300 emulator now open source! Feel free to test it

Posted on Januar 2, 2012 by Nils

DSP 56300 now open source, hosted on bitbucket Continue reading →

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Taking big steps forward

Posted on Februar 14, 2011 by Nils

Though I didn’t post much, I coded much Nearly all instructions are implemented. My test code is running, but not with the result I expected There are some tricky parts that I have to solve at the moment. In the … Continue reading →

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More Instructions / Implementing the Instruction Cache

Posted on Februar 5, 2011 by Nils

Meanwhile, most instructions are implemented, some are still missing though. At the moment, I implement the Instruction Cache Because the DSP 56362 that is used in the Powercore (Firewire) allows access to the instruction cache through P-memory, the instruction cache … Continue reading →

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Big emulation progress – many ALU instructions and more

Posted on Januar 31, 2011 by Nils

The DSP 56300 emulation took a big step forward this weekend. I implemented a lot of ALU instructions and many others, too. To be able to handle the different register types (24,48,56 bits) more efficiently, I created a template class … Continue reading →

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The first running instructions

Posted on Januar 26, 2011 by Nils

Meanwhile, the first instructions are executed by the emulator. The hardware stack is working (not the software stack extension though). A lot of move instructions run fine, jump and branch instructions, too. The do instruction is already supported aswell. I … Continue reading →

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