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base:8bit_multiplication_16bit_product_fast_no_tables

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base:8bit_multiplication_16bit_product_fast_no_tables [2020-02-02 22:00]
djmips
base:8bit_multiplication_16bit_product_fast_no_tables [2020-02-02 22:09]
djmips
Line 3: Line 3:
 ; by djmips ​ ; by djmips ​
 ; ;
-; inputs are mul1 and mul2 and should be zero +; inputs are mul1 and mul2 and should be zero page.  
-output is 16 bit in A : mul1+A should be zero entering but if you want it will factor ​in as 1/2 added to the result.
 ; ;
 +; output is 16 bit in A : mul1   (A is high byte)
 +;
 +; length = 65 bytes 
 ; total cycles worst case = 113 ; total cycles worst case = 113
 ; total cycles best case = 97 ; total cycles best case = 97
base/8bit_multiplication_16bit_product_fast_no_tables.txt · Last modified: 2020-04-09 21:34 by ftc