sums.vms

一个小型的操作系统,采用gcc进行开发,几千行的代码,方便初学者学习

";;make sum for 1~10
start:lspi 255 
      clra 
      sta 100 
      clra 
      sta 99 
label1:   ;10 
      lda 99 
      cpi 11  ;n = 10 
      bze quit 
      push 
      add 100 
      sta 100 
      oti 
      pop 
      inc 
      sta 99 
      jmp label1 
quit: halt 
";