：可以使用如 UltraEdit 、 010 Editor 或开源的 HxD 等工具，打开该文件，查看其“原始”内容。这能帮助你识别文件的头信息。
records.append(record) return records
: Required by MAME (Multiple Arcade Machine Emulator) , Flycast , and Demul to handle low-level communication between the arcade game software and the input/output hardware. sp5001.bin
// Read fixed part of each record for (uint32_t i = 0; i < hdr.recCount; ++i) if (fread(&rec[i], sizeof(Sp500Record), 1, fp) != 1) fprintf(stderr, "Read error at record %u\n", i); free(rec); return 1; ++i) if (fread(&rec[i]