chapter-instr-glance-rotate-shift.tex

\section{Rotate and Shift}

\vspace*{0.7ex} % ensure this table starts at the same height as the one on the odd page
\begin{minipage}{\textwidth}
	
\begin{instrtable}
	% we need slightly more vertical space to accomodate symbolic operation drawing for RLC; it's negative because we only need a fraction of what new line produces
	\\[-10pt]

	\begin{instruction}{RLC r}
		\Symbol{\SymRLC[0]{r}}
			\FlagsRLCr
			\OpCode{11}{001}{011}
			\Hex{CB}{2}
			\Cycles{2}{8}
			\Comment{
				\multirow{6}{*}{
					\tt
					\begin{tabular}{ll}
						r & \OCT{r} \\
						\hline
						B & 000 \\
						C & 001 \\
						D & 010 \\
						E & 011 \\
						H & 100 \\
						L & 101 \\
						A & 111 \\
					\end{tabular}
				}
			}
		\SkipToOpCode 
			\OpCode{00}{\fbox{000}}{\OCT{r}}
			\Hex{..}{}
	\end{instruction}

	\begin{instruction}{RLC (HL)}
		\Symbol{\SymRLC[0]{(HL)}}
			\FlagsRLCr
			\OpCode{11}{001}{011}
			\Hex{CB}{2}
			\Cycles{4}{15}
		\SkipToOpCode 
			\OpCode{00}{\fbox{000}}{110}
			\Hex{06}{}
	\end{instruction}

	\begin{instruction}{RLC (IX+d)}
		\Symbol{\SymRLC[0]{(IX+d)}}
			\FlagsRLCr
			\OpCode{11}{011}{101}
			\Hex{DD}{4}
			\Cycles{6}{23}
		\SkipToOpCode 
			\OpCode{11}{001}{011}
			\Hex{CB}{}
		\SkipToOpCode 
			\OpRange{d} 
			\Hex{..}{}
		\SkipToOpCode 
			\OpCode{00}{\fbox{000}}{110}
			\Hex{06}{}
	\end{instruction}

	\begin{instruction}{RLC (IY+d)}
		\Symbol{\SymRLC[0]{(IY+d)}}
			\FlagsRLCr
			\OpCode{11}{111}{101}
			\Hex{FD}{4}
			\Cycles{6}{23}
		\SkipToOpCode 
			\OpCode{11}{001}{011}
			\Hex{CB}{}
		\SkipToOpCode 
			\OpRange{d} 
			\Hex{..}{}
		\SkipToOpCode 
			\OpCode{00}{\fbox{000}}{110}
			\Hex{06}{}
	\end{instruction}

	\begin{instruction}{RLC r,(IX+d)}
		\Symbol{\SymRLCu[0]{r}{IX}}
			\FlagsRLCr
			\OpCode{11}{011}{101}
			\Hex{DD}{4}
			\Cycles{6}{23}
		\SkipToSymbol
			\Symbol{\SymRLCu[1]{r}{IX}}
			\FromSymbolToOpCode
			\OpCode{11}{001}{011}
			\Hex{CB}{}
		\SkipToSymbol
			\Symbol{\SymRLCu[2]{r}{IX}}
			\FromSymbolToOpCode
			\OpRange{d} 
			\Hex{..}{}
		\SkipToOpCode 
			\OpCode{00}{\fbox{000}}{\OCT{r}}
			\Hex{..}{}
	\end{instruction}

	\begin{instruction}{RLC r,(IY+d)}
		\Symbol{\SymRLCu[0]{r}{IY}}
			\FlagsRLCr
			\OpCode{11}{111}{101}
			\Hex{FD}{4}
			\Cycles{6}{23}
		\SkipToSymbol
			\Symbol{\SymRLCu[1]{r}{IY}}
			\FromSymbolToOpCode
			\OpCode{11}{001}{011}
			\Hex{CB}{}
		\SkipToSymbol
			\Symbol{\SymRLCu[2]{r}{IY}}
			\FromSymbolToOpCode
			\OpRange{d} 
			\Hex{..}{}
		\SkipToOpCode
			\OpCode{00}{\fbox{000}}{\OCT{r}}
			\Hex{..}{}
	\end{instruction}

	\StartWithOpCode\OpCode{}{$\uparrow$}{} \\

	\begin{instruction}{RRC m\See{1}}
		\Symbol{\SymRRC[0]{m}}
			\FlagsRRCr
			\OpCode{..}{\fbox{001}}{...}
	\end{instruction}

	\begin{instruction}{RL m\See{1}}
		\Symbol{\SymRL[0]{m}}
			\FlagsRLr
			\OpCode{..}{\fbox{010}}{...}
	\end{instruction}

	\begin{instruction}{RR m\See{1}}
		\Symbol{\SymRR[0]{m}}
			\FlagsRRr
			\OpCode{..}{\fbox{011}}{...}
	\end{instruction}

	\begin{instruction}{SLA m\See{1}}
		\Symbol{\vspace*{2pt}\SymSLA[0]{m}}
			\FlagsSLAr
			\OpCode{..}{\fbox{100}}{...}
	\end{instruction}

	\begin{instruction}{SRA m\See{1}}
		\Symbol{\vspace*{3pt}\SymSRA[0]{m}}
			\FlagsSRAr
			\OpCode{..}{\fbox{101}}{...}
	\end{instruction}

	\begin{instruction}{SLI m\See{1,2}}
		\Symbol{\vspace*{2pt}\SymSLI[0]{m}}
			\FlagsSLIr
			\OpCode{..}{\fbox{110}}{...}
	\end{instruction}

	\begin{instruction}{SRL m\See{1}}
		\Symbol{\vspace*{2pt}\SymSRL[0]{m}}
			\FlagsSRLr
			\OpCode{..}{\fbox{111}}{...}
	\end{instruction}

	\begin{instruction}{SLL m\See{3}}
	\end{instruction}

	\Empty{}
	
	\begin{instruction}{RLA}
		\Symbol{\SymRL[0]{A}}
			\FlagsRLA
			\OpCode{00}{010}{111}
			\Hex{17}{1}
			\Cycles{1}{4}
	\end{instruction}
	
	\begin{instruction}{RLCA}
		\Symbol{\SymRLC[0]{A}}
			\FlagsRLCA
			\OpCode{00}{000}{111}
			\Hex{07}{1}
			\Cycles{1}{4}
	\end{instruction}
	
	\begin{instruction}{RRA}
		\Symbol{\SymRR[0]{A}}
			\FlagsRRA
			\OpCode{00}{011}{111}
			\Hex{1F}{1}
			\Cycles{1}{4}
	\end{instruction}
	
	\begin{instruction}{RRCA}
		\Symbol{\SymRRC[0]{A}}
			\FlagsRRCA
			\OpCode{00}{001}{111}
			\Hex{0F}{1}
			\Cycles{1}{4}
	\end{instruction}

	\Empty{}

	\begin{instruction}{RLD}
		\Symbol{\vspace*{-12pt}\hspace*{-0.8cm}\SymRLD}
			\FlagsRLD 
			\OpCode{11}{101}{101}
			\Hex{ED}{2}
			\Cycles{5}{18}
		\SkipToOpCode 
			\OpCode{01}{101}{111}
			\Hex{6F}{}
	\end{instruction}
			
	\begin{lastinstruction}{RRD}
		\Symbol{\vspace*{-12pt}\hspace*{-0.8cm}\SymRRD}
			\FlagsRRD
			\OpCode{11}{101}{101}
			\Hex{ED}{2}
			\Cycles{5}{18}
		\SkipToOpCode 
			\OpCode{01}{100}{111}
			\Hex{67}{}
	\end{lastinstruction}
			
\end{instrtable}

\NoteTableSingleItemSpaceCorrection

\begin{notestable}
	\NoteItem{\See{1}{\tt m} is one of {\tt r}, {\tt (HL)}, {\tt (IX+d)}, {\tt (IY+d)}. To form new opcode replace \fbox{000} of {\tt RLC}s with shown code. Ts also the same\rule{0pt}{3.5ex}}

	\NoteItem{\See{2}Some assemblers may also allow {\tt SL1} to be used instead of {\tt SLI}}

	\NoteItem{\See{3}Shift Left Logical; no associated opcode, there is no difference between logical and arithmetic shift left, use {\tt SLA} for both. Some assemblers will allow {\tt SLL} as equivalent, but unfortunately some will assemble it as {\tt SLI}, so it's best avoiding}
\end{notestable}

\end{minipage}