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base:fastest_multiplication_2023

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base:fastest_multiplication_2023 [2024-02-13 08:02] – reposebase:fastest_multiplication_2023 [2024-02-13 08:11] (current) – missing comments in first multiplication repose
Line 33: Line 33:
  
 ; Align tables to start of page ; Align tables to start of page
 +; Note - the last byte of each table is never referenced, as a+b<=510
 sqrlo sqrlo
     !for i, 0, 511 {     !for i, 0, 511 {
Line 74: Line 75:
     ; set multiplicand as y0     ; set multiplicand as y0
     ldy y0     ldy y0
 +    
 +    ;x1y0l =  low(x1*y0)
 +    ;x1y0h = high(x1*y0)
     sec     sec
     lda (p_sqr_lo),y     lda (p_sqr_lo),y
base/fastest_multiplication_2023.txt · Last modified: 2024-02-13 08:11 by repose