// the z80 format is used by the z80-asm
// http://wwwhomes.uni-bielefeld.de/achim/z80-asm.html
// *.z80 files are bin files with a header telling the bin offset
// struct z80_header {
// const char MAGIC[] = { 'Z', '8', '0', 'A', 'S', 'M', '\032', '\n' };
// uint16_t offset;
// }