ON 20100713@4:10:17 PM at page:
On a web page you were interested in at:
http://www.piclist.com/microchip/math/mul/m16x16mds.htm#40372.4070833333
James Newton[JMN-EFP-786] published post 40372.4070833333

<A TITLE="P-79.66.164.166" NAME="40372.4070833333">
</A> 
Hi, have never used macros, so how would I insert this code into my own and call it from within my code? where do I put my two numbers to be multiplied and where do I look for the answer?<BR>
Thanks for your help &amp; please excuse my ignorance, I am starting from a point of very little knowlege.
|Delete 'P-' before: '<!-- 40372.4070833333 EOR -->' but after: '<A TITLE="'.



ON 20100713@4:15:04 PM at page:
On a web page you were interested in at:
http://www.piclist.com/techref/microchip/math/mul/m16x16mds.htm#40372.4070833333
James Newton[JMN-EFP-786] Replied to post 40372.4070833333

|Insert 'You just need to define your 9 byte wide variables, which you can call anything you like, but here we called them aH,aL, bH,bL, r4,r3,r2,r1, and t1, initialize aH to the high 8 bits of the 16 bit multiplicand, aL to the low 8 bits, bH to the high 8 bits of the multiplier and bL to the low 8 bits, you don't have to initialize the rest, and then call the macro like this:<BR>
<TT>MULT_16x16_FASTEST aH,aL, bH,bL, r4,r3,r2,r1, t1</TT><BR>
The answer will be in the r variables.' at: '<!-- 40372.4070833333 EOR -->'

<A TITLE="79.66.164.166" NAME="40372.4070833333">
</A> 
Hi, have never used macros, so how would I insert this code into my own and call it from within my code? where do I put my two numbers to be multiplied and where do I look for the answer?<BR>
Thanks for your help &amp; please excuse my ignorance, I am starting from a point of very little knowlege.