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程序在什么情况下会停止在codestart里,跟什么有关呢?



写了一段代码,单步运行后,在进行了几个初始化的代码后,发现程序停止在

.sect "codestart"

code_start:
.if WD_DISABLE == 1
      LB wd_disable                ; Branch to watchdog disable code
.else
      LB _c_int00                   ; Branch to start of boot.asm in RTS library
.endif

停止在了代码里的LB     wd_disable 处,是怎么回事?