Uploaded April 2019 | Updated September 2026, 2 weeks ago

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In this video, we look at how to pass integer, pointer and floating point parameters to ASM. And where to place them so that C++ will read them as return values from a function. Basically, we use RCX, RDX, R8 and R9 for integer and pointer parameters; and XMM0 to XMM3 for floating point.

I really picked a terrible spot to record this one. I will try not to record in the wind again. I am trying to get into a more regular upload schedule. Sorry in advance if the audio is difficult to hear.

This vid is an answer to a comment from Belgian Geek. If you watch it mate, I hope it's of some help :)


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