Amd Mmx

This is a discussion on Amd Mmx within the Game Programming forums, part of the General Programming Boards category; I use MASM but not when I'm programming C++. Then I use inline assembler. I forgot to add these lines ...

  1. #16
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    I use MASM but not when I'm programming C++. Then I use inline assembler.

    I forgot to add these lines to the keycolor blitter:

    mov edi,destination
    mov esi,source
    mov ebp,imageheight

    They should be place just before the "alphaloop" (incorrect name).

    This is an 8-bit blitter but it can be changed to a 16-bit blitter by adjusting the instructions a bit. I'm not sure if it can be used to create a 32-bit blitter because some MMX instructions can't be used with 32-bit packed data.
    Last edited by gliptic; 10-24-2001 at 03:20 PM.

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