instr-small.tex

\begin{center}
%Arithmetic Instructions\\*
\begin{table}[!h]
\begin{tabular}{|l|l|l|p{5.5cm}|}
  \hline
  \textbf{Assembler}  & \textbf{Machine code} & \textbf{Function} &  \textbf{Description} \\
  \hline

  % ADD
  \scriptsize{ \texttt{add \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0000}
  &
  \arithmeticinsn{+}
  &
  \scriptsize{ Add }
  \\
  \hline


  % ADDI
  \scriptsize{ \texttt{addi \regdsm, \regssm, immed} }
  &
  \itype{0001}{0000}
  &
  \arithmeticinsni{+}
  &
  \scriptsize{ Add Immediate }
  \\
  \hline

  % ADDU
  \scriptsize{ \texttt{addu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0001}
  &
  \arithmeticinsnu{+}
  &
  \scriptsize{ Add Unsigned }
  \\
  \hline


  % ADDUI
  \scriptsize{ \texttt{addui \regdsm, \regssm, immed} }
  &
  \itype{0001}{0001}
  &
  \arithmeticinsnui{+}
  &
  \scriptsize{ Add Unsigned Immediate }
  \\
  \hline


  % SUB
  \scriptsize{ \texttt{sub \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0010}
  &
  \arithmeticinsn{-}
  &
  \scriptsize{ Subtract }
  \\
  \hline

  % SUBI
  \scriptsize{ \texttt{subi \regdsm, \regssm, immed} }
  &
  \itype{0001}{0010}
  &
  \arithmeticinsni{-}
  &
  \scriptsize{ Subtract Immediate }
  \\
  \hline

  % SUBU
  \scriptsize{ \texttt{subu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0011}
  &
  \arithmeticinsnu{-}
  &
  \scriptsize{ Subtract Unsigned }
  \\
  \hline

  % SUBUI
  \scriptsize{ \texttt{subui \regdsm, \regssm, immed} }
  &
  \itype{0001}{0011}
  &
  \arithmeticinsnui{-}
  &
  \scriptsize{ Subtract Unsigned Immediate }
  \\
  \hline


  

  % MULT
  \scriptsize{ \texttt{mult \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0100}
  &
  \arithmeticinsn{\times}
  &
  \scriptsize{ Multiply }
  \\
  \hline

  % MULTI
  \scriptsize{ \texttt{multi \regdsm, \regssm, immed} }
  &
  \itype{0001}{0100}
  &
  \arithmeticinsni{\times}
  &
  \scriptsize{ Multiply Immediate }
  \\
  \hline

  % MULTU
  \scriptsize{ \texttt{multu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0101}
  &
  \arithmeticinsnu{\times}
  &
  \scriptsize{ Multiply Unsigned }
  \\
  \hline

  % MULTUI
  \scriptsize{ \texttt{multui \regdsm, \regssm, immed} }
  &
  \itype{0001}{0101}
  &
  \arithmeticinsnui{\times}
  &
  \scriptsize{ Multiply Unsigned Immediate }
  \\
  \hline


  % DIV
  \scriptsize{ \texttt{div \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0110}
  &
  \arithmeticinsn{\div}
  &
  \scriptsize{ Divide }
  \\
  \hline

  % DIVI
  \scriptsize{ \texttt{divi \regdsm, \regssm, immed} }
  &
  \itype{0001}{0110}
  &
  \arithmeticinsni{\div}
  &
  \scriptsize{ Divide Immediate }
  \\
  \hline

  % DIVU
  \scriptsize{ \texttt{divu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{0111}
  &
  \arithmeticinsnu{\div}
  &
  \scriptsize{ Divide Unsigned }
  \\
  \hline

  % DIVUI
  \scriptsize{ \texttt{divui \regdsm, \regssm, immed} }
  &
  \itype{0001}{0111}
  &
  \arithmeticinsnui{\div}
  &
  \scriptsize{ Divide Unsigned Immediate }
  \\
  \hline

  
  % REM
  \scriptsize{ \texttt{rem \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1000}
  &
  \arithmeticinsn{\ \%\ }
  &
  \scriptsize{ Remainder }
  \\
  \hline

  % REMI
  \scriptsize{ \texttt{remi \regdsm, \regssm, immed} }
  &
  \itype{0001}{1000}
  &
  \arithmeticinsni{\ \%\ }
  &
  \scriptsize{ Remainder Immediate }
  \\
  \hline

  % REMU
  \scriptsize{ \texttt{remu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1001}
  &
  \arithmeticinsnu{\ \%\ }
  &
  \scriptsize{ Remainder Unsigned }
  \\
  \hline

  % REMUI
  \scriptsize{ \texttt{remui \regdsm, \regssm, immed} }
  &
  \itype{0001}{1001}
  &
  \arithmeticinsnui{\ \%\ }
  &
  \scriptsize{ Remainder Unsigned Immediate }
  \\
  \hline


  % LHI
  \scriptsize{ \texttt{lhi \regdsm, immed} }
  &
  \itype{0011}{1110}
  &
  \lhiinsn
  &
  \scriptsize{ Load High Immediate }
  \\
  \hline

  % LA
  \scriptsize{ \texttt{la \regdsm, address} }
  &
  \jtype{1100}{dddd}{0000}
  &
  \lainsn
  &
  \scriptsize{ Load Address }
  \\
  \hline

\end{tabular}
\caption{Arithmetic Instructions}
\end{table}

%Bitwise Instructions\\*



\begin{table}[!h]
\begin{tabular}{|l|l|l|p{5.5cm}|}
  \hline

  % AND
  \scriptsize{ \texttt{and \regdsm, \regssm, \regtsm} }
  \makebox[.65cm]{}
  &
  \rtype{0000}{1011}
  &
  \arithmeticinsnu{\ AND\ }
  &
  \scriptsize{ Bitwise AND }
  \\
  \hline


  % ANDI
  \scriptsize{ \texttt{andi \regdsm, \regssm, immed} }
  &
  \itype{0001}{1011}
  &
  \arithmeticinsnui{\ AND\ }
  &
  \scriptsize{ Bitwise AND Immediate }
  \\
  \hline

  % OR
  %\fullarith{add}{0000}{0001}{+}
  \scriptsize{ \texttt{or \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1101}
  &
  \arithmeticinsnu{\ OR\ }
  &
  \scriptsize{ Bitwise OR }
  \\
  \hline


  % ORI
  \scriptsize{ \texttt{ori \regdsm, \regssm, immed} }
  &
  \itype{0001}{1101}
  &
  \arithmeticinsnui{\ OR\ }
  &
  \scriptsize{ Bitwise OR Immediate }
  \\
  \hline
  
  % XOR
  \scriptsize{ \texttt{xor \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1111}
  &
  \arithmeticinsnu{\ XOR\ }
  &
  \scriptsize{ Bitwise XOR }
  \\
  \hline


  % XORI
  \scriptsize{ \texttt{xori \regdsm, \regssm, immed} }
  &
  \itype{0001}{1111}
  &
  \arithmeticinsnui{\ XOR\ }
  &
  \scriptsize{ Bitwise XOR Immediate }
  \\
  \hline


  % SLL
  \scriptsize{ \texttt{sll \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1010}
  &
  \arithmeticinsnu{\ \ll\ }
  &
  \scriptsize{ Shift Left Logical }
  \\
  \hline


  % SLLI
  \scriptsize{ \texttt{slli \regdsm, \regssm, immed} }
  &
  \itype{0001}{1010}
  &
  \arithmeticinsnui{\ \ll\ }
  &
  \scriptsize{ Shift Left Logical Immediate }
  \\
  \hline  
  
 
  % SRL
  \scriptsize{ \texttt{srl \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1100}
  &
  \arithmeticinsnu{\ \gg\ }
  &
  \scriptsize{ Shift Right Logical }
  \\
  \hline


  % SRLI
  \scriptsize{ \texttt{srli \regdsm, \regssm, immed} }
  &
  \itype{0001}{1100}
  &
  \arithmeticinsnui{\ \gg\ }
  &
  \scriptsize{ Shift Right Logical Immediate }
  \\
  \hline


  % SRA
  \scriptsize{ \texttt{sra \regdsm, \regssm, \regtsm} }
  &
  \rtype{0000}{1110}
  &
  \srainsn
  &
  \scriptsize{ Shift Right Arithmetic }
  \\
  \hline


  % SRLAI
  \scriptsize{ \texttt{srai \regdsm, \regssm, immed} }
  &
  \itype{0001}{1110}
  &
  \srainsnimm
  &
  \scriptsize{ Shift Right Arithmetic Immediate }
  \\
  \hline

\end{tabular}
\caption{Bitwise Instructions}
\end{table}

%Test Instructions\\*



\begin{table}[!h]
\begin{tabular}{|l|l|l|p{5.5cm}|}
  \hline

  % SLT
  \scriptsize{ \texttt{slt \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0000}
  &
  \arithmeticinsn{\ <\ }
  &
  \scriptsize{ Set on Less than }
  \\
  \hline


  % SLTI
  \scriptsize{ \texttt{slti \regdsm, \regssm, immed} }
  &
  \itype{0011}{0000}
  &
  \arithmeticinsni{\ <\ }
  &
  \scriptsize{ Set on Less than Immediate  }
  \\
  \hline

  % SLTU
  \scriptsize{ \texttt{sltu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0001}
  &
  \arithmeticinsnu{\ <\ }
  &
  \scriptsize{ Set on Less than Unsigned }
  \\
  \hline


  % SLTUI
  \scriptsize{ \texttt{sltui \regdsm, \regssm, immed} }
  &
  \itype{0011}{0001}
  &
  \arithmeticinsnui{\ <\ }
  &
  \scriptsize{ Set on Less than Unsigned Immediate  }
  \\
  \hline


  % SGT
  \scriptsize{ \texttt{sgt \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0010}
  &
  \arithmeticinsn{\ >\ }
  &
  \scriptsize{ Set on Greater than }
  \\
  \hline


  % SGTI
  \scriptsize{ \texttt{sgti \regdsm, \regssm, immed} }
  &
  \itype{0011}{0010}
  &
  \arithmeticinsni{\ >\ }
  &
  \scriptsize{ Set on Greater than Immediate  }
  \\
  \hline

  % SGTU
  \scriptsize{ \texttt{sgtu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0011}
  &
  \arithmeticinsnu{\ >\ }
  &
  \scriptsize{ Set on Greater than Unsigned }
  \\
  \hline


  % SGTUI
  \scriptsize{ \texttt{sgtui \regdsm, \regssm, immed} }
  &
  \itype{0011}{0011}
  &
  \arithmeticinsnui{\ >\ }
  &
  \scriptsize{ Set on Greater than Unsigned Immediate  }
  \\
  \hline


  % SLE
  \scriptsize{ \texttt{sle \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0100}
  &
  \arithmeticinsn{\ \le\ }
  &
  \scriptsize{ Set on Less than or Equal}
  \\
  \hline


  % SLEI
  \scriptsize{ \texttt{slei \regdsm, \regssm, immed} }
  &
  \itype{0011}{0100}
  &
  \arithmeticinsni{\ \le\ }
  &
  \scriptsize{ Set on Less or Equal Immediate  }
  \\
  \hline

  % SLEU
  \scriptsize{ \texttt{sleu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0101}
  &
  \arithmeticinsnu{\ \le\ }
  &
  \scriptsize{ Set on Less or Equal Unsigned }
  \\
  \hline


  % SLEUI
  \scriptsize{ \texttt{sleui \regdsm, \regssm, immed} }
  &
  \itype{0011}{0101}
  &
  \arithmeticinsnui{\ \le\ }
  &
  \scriptsize{ Set on Less   or Equal  Unsigned Imm  }
  \\
  \hline


   % SGE
  \scriptsize{ \texttt{sge \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0110}
  &
  \arithmeticinsn{\ \ge\ }
  &
  \scriptsize{ Set on Greater than or Equal}
  \\
  \hline


  % SGEI
  \scriptsize{ \texttt{sgei \regdsm, \regssm, immed} }
  &
  \itype{0011}{0110}
  &
  \arithmeticinsni{\ \ge\ }
  &
  \scriptsize{ Set on Greater or Equal Immediate  }
  \\
  \hline

  % SGEU
  \scriptsize{ \texttt{sgeu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{0111}
  &
  \arithmeticinsnu{\ \ge\ }
  &
  \scriptsize{ Set on Greater or Equal Unsigned }
  \\
  \hline


  % SGEUI
  \scriptsize{ \texttt{sgeui \regdsm, \regssm, immed} }
  &
  \itype{0011}{0111}
  &
  \arithmeticinsnui{\ \ge\ }
  &
  \scriptsize{ Set on Greater or Equal Unsigned Imm  }
  \\
  \hline


   % SEQ
  \scriptsize{ \texttt{seq \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{1000}
  &
  \arithmeticinsn{\ =\ }
  &
  \scriptsize{ Set on Equal}
  \\
  \hline


  % SEQI
  \scriptsize{ \texttt{seqi \regdsm, \regssm, immed} }
  &
  \itype{0011}{1000}
  &
  \arithmeticinsni{\ =\ }
  &
  \scriptsize{ Set on Equal Immediate  }
  \\
  \hline

  % SEQU
  \scriptsize{ \texttt{sequ \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{1001}
  &
  \arithmeticinsnu{\ =\ }
  &
  \scriptsize{ Set on Equal Unsigned }
  \\
  \hline


  % SEQUI
  \scriptsize{ \texttt{sequi \regdsm, \regssm, immed} }
  &
  \itype{0011}{1001}
  &
  \arithmeticinsnui{\ =\ }
  &
  \scriptsize{ Set on Equal Unsigned Immediate  }
  \\
  \hline


  % SNE
  \scriptsize{ \texttt{sne \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{1010}
  &
  \arithmeticinsn{\ \neq\ }
  &
  \scriptsize{ Set on Not Equal}
  \\
  \hline


  % SNEI
  \scriptsize{ \texttt{snei \regdsm, \regssm, immed} }
  &
  \itype{0011}{1010}
  &
  \arithmeticinsni{\ \neq\ }
  &
  \scriptsize{ Set on Not Equal Immediate  }
  \\
  \hline

  % SNEU
  \scriptsize{ \texttt{sneu \regdsm, \regssm, \regtsm} }
  &
  \rtype{0010}{1011}
  &
  \arithmeticinsnu{\ \neq\ }
  &
  \scriptsize{ Set on Not Equal Unsigned }
  \\
  \hline


  % SNEUI
  \scriptsize{ \texttt{sneui \regdsm, \regssm, immed} }
  &
  \itype{0011}{1011}
  &
  \arithmeticinsnui{\ \ne\ }
  &
  \scriptsize{ Set on Not Equal Unsigned Immediate  }
  \\
  \hline

\end{tabular}
\caption{Test Instructions}
\end{table}

%Branch Instructions\\*
\begin{table}[!h]
\begin{tabular}{|l|l|l|p{4.5cm}|}

  \hline

  \multicolumn{4}{|c|}{\footnotesize{\textbf{Branch Instructions}}}
  \\
  \hline
  % J
  \scriptsize{ \texttt{j address} }
  %\makebox[1.3cm]{}
  &
  \jtype{0100}{0000}{0000}
  &
  \jumpinsn{Address}
  &
  \scriptsize{ Jump }
  \\
  \hline

  % JR
  \scriptsize{ \texttt{jr \regssm} }
  &
  %\jtype{0101}{0000}{ssss}
  \scriptsize{\texttt{0101 0000 ssss 0000 0000 0000 0000 0000\ }}
  &
  \jumpinsn{\regssm}
  &
  \scriptsize{ Jump to Register }
  \\
  \hline

  
  % JAL
  \scriptsize{ \texttt{jal address} }
  &
  \jtype{0110}{0000}{0000}
  &
  \jalinsn{Address}
  &
  \scriptsize{ Jump and Link  }
  \\
  \hline


  % JALR
  \scriptsize{ \texttt{jalr \regssm} }
  &
  %\jtype{0100}{0000}{ssss}
  \scriptsize{\texttt{0111 0000 ssss 0000 0000 0000 0000 0000\ }}
  &
  \jalinsn{\regssm}
  &
  \scriptsize{ Jump and Link Register }
  \\
  \hline



  % BEQZ
  \scriptsize{ \texttt{beqz \regssm, offset} }
  &
  \scriptsize{\texttt{1010 0000 ssss oooo oooo oooo oooo oooo\ }}
  &
  \branchinsn{=}
  &
  \scriptsize{ Branch on equal to 0  }
  \\
  \hline


  % BNEZ
  \scriptsize{ \texttt{bnez \regssm, offset} }
  &
  \scriptsize{\texttt{1011 0000 ssss oooo oooo oooo oooo oooo\ }}
  &
  \branchinsn{\neq}
  &
  \scriptsize{ Branch on not equal to 0  }
  \\
  \hline



% Memory Instructions
 \multicolumn{4}{|c|}{\footnotesize{\textbf{Memory Instructions}}}

 \\
 \hline

 % LW
  \scriptsize{ \texttt{lw \regdsm, offset(\regssm)} }
  &
  \scriptsize{\texttt{1000 dddd ssss oooo oooo oooo oooo oooo\ }}
  &
  \lwinsn
  &
  \scriptsize{ Load word }
  \\
  \hline


  % SW
  \scriptsize{ \texttt{sw \regdsm, offset(\regssm)} }
  &
  \scriptsize{\texttt{1001 dddd ssss oooo oooo oooo oooo oooo\ }}
  &
  \swinsn
  &
  \scriptsize{ Store word  }
  \\
  \hline

%Special Instructions\\*

  \multicolumn{4}{|c|}{\footnotesize{\textbf{Special Instructions}}}
  \\
  \hline
  %MOVGS
  \scriptsize{ \texttt{movgs \regdsm, \regssm} }
  %\makebox[0.95cm]{}
  &
  \scriptsize{\texttt{0011 0000 0000 1100 0000 0000 0000 0000\ }}
  &
  \specialinsn{\regdsm \leftarrow \regssm}
  %\makebox[1.80cm]{}
  &
  \scriptsize{ Move General to Special Register}
  \\
  \hline


  %MOVSG
  \scriptsize{ \texttt{movsg \regdsm, \regssm} }
  &
  \scriptsize{\texttt{0011 0000 0000 1101 0000 0000 0000 0000}}
  &
  \specialinsn{\regdsm \leftarrow \regssm}
  &
  \scriptsize{ Move Special to General Register}
  \\
  \hline


  %BREAK
  \scriptsize{ \texttt{break} }
  &
  \scriptsize{\texttt{0010 0000 0000 1100 0000 0000 0000 0000}}
  &
  %\specialinsn{break}
  &
  \scriptsize{ Generate Break Point Exception}
  \\
  \hline


  %SYSCALL
  \scriptsize{ \texttt{syscall} }
  &
  \scriptsize{\texttt{0010 0000 0000 1101 0000 0000 0000 0000}}
  &
  %\specialinsn{break}
  &
  \scriptsize{ Generate Syscall Exception}
  \\
  \hline


  %RFE
  \scriptsize{ \texttt{rfe} }
  &
  \scriptsize{\texttt{0010 0000 0000 1110 0000 0000 0000 0000}}
  &
  \specialinsn{PC\ \leftarrow\ \texttt{\$ear} }
  &
  \scriptsize{ Return from Exception }
  \\
  \hline
\end{tabular}
\caption{Other Instructions}
\end{table}
\end{center}