@org(16r7C00); u8* dest = 16rB8000; u8* src = &string; loop { if(*src == 0) { break; } *dest = *src; dest = dest + 1; *dest = "_"; dest = dest + 1; src = src + 1; } loop {} u8[19] string: "Hello from Nectar!\0"; @align(510); u16 bootsig: 16rAA55;