EP51中/英文編譯軟體，能編譯200行的程式碼，支援SIM51符號偵錯。本軟體磁片所附的範例程式，都是利用EP51所編譯的。(EP51 / English compilation software, can compile 200 lines of code, support SIM51 symbol debugging. The software program attached to the program, are compil