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- /**********************************************/
- /** Utility to make various functions **/
- /** like exponential and log gain curves. **/
- /** **/
- /** Included here: **/
- /** Yamaha TX81Z curves for master gain, **/
- /** Envelope Rates (in normalized units), **/
- /** envelope sustain level, and more.... **/
- /**********************************************/
-
- #include <math.h>
- #include <stdio.h>
- #include <stdlib.h>
-
- void main()
- {
- int i,j;
- double temp;
- double data[128];
-
- /*************** TX81Z Master Gain *************/
- for (i=0;i<100;i++) {
- data[i] = pow(2.0,-(99-i)/10.0);
- }
- data[0] = 0.0;
- printf("double __FM4Op_gains[99] = {");
- for (i=0;i<100;i++) {
- if (i%8 == 0) printf("\n");
- printf("%lf,",data[i]);
- }
- printf("};\n");
- /*************** TX81Z Sustain Level ***********/
- for (i=0;i<16;i++) {
- data[i] = pow(2.0,-(15-i)/2.0);
- }
- data[0] = 0.0;
- printf("double __FM4Op_susLevels[16] = {");
- for (i=0;i<16;i++) {
- if (i%8 == 0) printf("\n");
- printf("%lf,",data[i]);
- }
- printf("};\n");
- /****************** Attack Rate ***************/
- for (i=0;i<32;i++) {
- data[i] = 6.0 * pow(5.7,-(i-1)/5.0);
- }
- printf("double __FM4Op_attTimes[16] = {");
- for (i=0;i<32;i++) {
- if (i%8 == 0) printf("\n");
- printf("%lf,",data[i]);
- }
- printf("};\n");
- exit(1);
- }
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