| CODE |
;*************************************************** ;* Mutiply 32x32 -> 64 bit ;* ;* R24:R21 x R5:R2 -> R15:R8 ;* ;* 88 cycles + 4 (RET) = 92 Cycles ;* mult32: clr R16 mul R21,R2 movw R8,R0 clr R10 clr R11 clr R12 clr R13 clr R14 clr R15 mul R22,R2 add R9,R0 adc R10,R1 mul R23,R2 add R10,R0 adc R11,R1 mul R24,R2 add R11,R0 adc R12,R1 mul R21,R3 add R9,R0 adc R10,R1 adc R11,R16 adc R12,R16 adc R13,R16 mul R22,R3 add R10,R0 adc R11,R1 adc R12,R16 adc R13,R16 mul R23,R3 add R11,R0 adc R12,R1 adc R13,R16 mul R24,R3 add R12,R0 adc R13,R1 mul R21,R4 add R10,R0 adc R11,R1 adc R12,R16 adc R13,R16 adc R14,R16 mul R22,R4 add R11,R0 adc R12,R1 adc R13,R16 adc R14,R16 mul R23,R4 add R12,R0 adc R13,R1 adc R14,R16 mul R24,R4 add R13,R0 adc R14,R1 mul R21,R5 add R11,R0 adc R12,R1 adc R13,R16 adc R14,R16 adc R15,R16 mul R22,R5 add R12,R0 adc R13,R1 adc R14,R16 adc R15,R16 mul R23,R5 add R13,R0 adc R14,R1 adc R15,R16 mul R24,R5 add R14,R0 adc R15,R1 ret |