Csound

Here is an example of how to write “Hello World!” in the Csound programming language:

#include "m_pd.h"
#include "makenote.h"

// Define a function that prints a string
void print_string(t_float f, t_symbol s) {
    char *str = string(s);
    printf("%s\n", str);
}

// Define a table with the text to be printed
table hello_world_table[] = {
    {1, 2, "H"}, 
    {3, 4, "e"}, 
    {5, 6, "l"}, 
    {7, 8, "l"}, 
    {9, 10, "o"}, 
    {11, 12, " "}, 
    {13, 14, "W"}, 
    {15, 16, "o"} , 
    {17, 18, "r"}, 
    {19, 20, "l"}, 
    {21, 22, "d"} , 
    {0, 0, 0} // end of table
};

// Define a signal that prints the string
signal hello_world_signal = signal(0);

// Add the print function to the signal
addsignal(hello_world_signal, &print_string, (t_symbol)"hello world");

// Initialize the Csound engine and start the sound
startcsound();

This code defines a function print_string that takes two arguments: a floating-point number and a symbol. The function prints the string associated with the symbol to the console.

The code then defines a table hello_world_table that contains the characters of the string “Hello World!”. Each element of the table is an array of three values: the start time, the end time, and the character.

Next, it defines a signal hello_world_signal that calls the print_string function whenever it receives a note. The addsignal function adds this print function to the signal.

Finally, it initializes the Csound engine and starts the sound using the startcsound function.

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