掌機 - Game Boy - C/C++ - Sound

參考資訊：
https://bgb.bircd.org/
https://github.com/mrombout/gbdk_playground
http://gbdk.sourceforge.net/doc/html/book01.html

暫存器



main.c

#include <gb/gb.h>
#include <stdio.h>

void main(void)
{
    NR52_REG = 0x80;
    NR50_REG = 0x77;
    NR51_REG = 0xff;

    while (1) {
        NR10_REG = 0x16; 
        NR11_REG = 0x40;
        NR12_REG = 0x73;  
        NR13_REG = 0x00;   
        NR14_REG = 0xc3;
        delay(100);
    }
}