mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-12 11:29:37 +00:00
45 lines
711 B
C
45 lines
711 B
C
/* Bubble table */
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
int i,t;
|
|
double d;
|
|
|
|
int sine_table[256];
|
|
|
|
for(i=0;i<256;i++) {
|
|
d=(256.0*sin(6.28*i/256.0));
|
|
sine_table[i]=(int)d;
|
|
}
|
|
|
|
|
|
printf("sin_table_low:\n");
|
|
for(i=0;i<256;i++) {
|
|
if (i%16==0) printf("\t.byte\t");
|
|
t=sine_table[i];
|
|
printf("$%02X",t&0xff);
|
|
if (i%16!=15) printf(",");
|
|
else printf("\n");
|
|
}
|
|
|
|
printf("sin_table_high:\n");
|
|
for(i=0;i<256;i++) {
|
|
if (i%16==0) printf("\t.byte\t");
|
|
t=sine_table[i];
|
|
if (t&0x100) t=0xff;
|
|
else t=0;
|
|
printf("$%02X",t&0xff);
|
|
if (i%16!=15) printf(",");
|
|
else printf("\n");
|
|
}
|
|
|
|
|
|
}
|