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40 lines
662 B
NASM
40 lines
662 B
NASM
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;;; low pass filter with cut off at 0.004pi (96Hz)
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name "trebass"
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include "emu_constants.asm"
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coef con 0.038684406 0.058115275 0.113007075 0.194116501 0.287525429 0.377072924 0.447195555 0.485671998 0.485783252 0.447503000 0.377505237 0.287987288 0.194517783 0.113292922 0.058289230 0.038818213
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n equ 15 ; filter order
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in io
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out equ in
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bass control 0,0,#1
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delay sta 0,0,0,0,0 ,0,0,0,0,0 ,0,0,0,0,0 ,0
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tmp dyn
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macints delay,in,C_0,C_0
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;;;our filter for the left channel
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macs C_0,C_0,C_0,C_0
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for i = n : 1
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macmv delay+i,delay+i-1,delay+i,coef+i
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endfor
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macs tmp,ACCUM,delay,coef
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macs1 out,in,tmp,bass
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end
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