请各位高手帮忙指点下S19文件的格式问题！ 格式, 高手, 文件, 指点, 帮忙

孤行者
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S104FFBDFF40
S104FFBF7EBF
S123FFCCFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF31
S117FFECFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF807B14
S9030000FC
这个文件的第一行 和最后几行在预存储区里面无法找到，这些到底是程序的说明还是格式码？

请各位帮忙了，在下十分感激啊！

孤行者

谢谢strongchen 版主！
S104
S123
S11A
这些又是什么意思啊？请您指导下