chapter-instr-glance-8bit-arithmetic.tex

\section{8-Bit Arithmetic and Logical}

\begin{minipage}{\textwidth}

\begin{instrtable}

	\begin{instruction}{ADD A,r}
		\Symbol{\SymADD{A}{r}}
			\FlagsADDr
			\OpCode{10}{\fbox{000}}{\OCT{r}}
			\Hex{..}{1}
			\Cycles{1}{4}
			\Comment{
				\tt
				\multirow{6}{*}{
					\begin{tabular}{ll}
						r & \OCT{r} \\
						\hline
						B & 000 \\
						C & 001 \\
						D & 010 \\
						E & 011 \\
						H & 100 \\
						L & 101 \\
						A & 111 \\
					\end{tabular}
				}
			}
	\end{instruction}

	\begin{instruction}{ADD A,p}
		\Symbol{\SymADD{A}{p}}
			\FlagsADDr
			\OpCode{11}{011}{101}
			\Hex{DD}{2} 
			\Cycles{2}{8}
		\SkipToOpCode
			\OpCode{10}{\fbox{000}}{\OCT{p}}
			\Hex{..}{}
			\Cycles{}{}
	\end{instruction}

	\begin{instruction}{ADD A,q} 
		\Symbol{\SymADD{A}{q}}
			\FlagsADDr
			\OpCode{11}{111}{101}
			\Hex{FD}{2}
			\Cycles{2}{8}
		\SkipToOpCode
			\OpCode{10}{\fbox{000}}{\OCT{q}}
			\Hex{..}{}
	\end{instruction}

	\begin{instruction}{ADD A,n}
		\Symbol{\SymADD{A}{n}}
			\FlagsADDr
			\OpCode{11}{\fbox{000}}{110}
			\Hex{C6}{2}
			\Cycles{2}{7}
		\SkipToOpCode
			\OpRange{n}
			\Hex{..}{}
	\end{instruction}

	\begin{instruction}{ADD A,(HL)}
		\Symbol{\SymADD{A}{(HL)}}
			\FlagsADDr
			\OpCode{10}{\fbox{000}}{110}
			\Hex{86}{1} 
			\Cycles{2}{7}
			\Comment{
				\multirow{8}{*}{
					\tt
					\begin{tabular}{ll}
						p & \OCT{p} \\
						\hline
						B & 000 \\
						C & 001 \\
						D & 010 \\
						E & 011 \\
						IX\High & 100 \\
						IX\Low & 101 \\
						A & 111 \\
					\end{tabular}
				}
			}
	\end{instruction}

	\begin{instruction}{ADD A,(IX+d)}
		\Symbol{\SymADD{A}{(IX+d)}}
			\FlagsADDr
			\OpCode{11}{011}{101}
			\Hex{DD}{3}
			\Cycles{5}{19}
		\SkipToOpCode
			\OpCode{10}{\fbox{000}}{110}
			\Hex{86}{}
		\SkipToOpCode
			\OpRange{d}
			\Hex{..}{}
	\end{instruction}
	
	\begin{instruction}{ADD A,(IY+d)}
		\Symbol{\SymADD{A}{(IY+d)}}
			\FlagsADDr
			\OpCode{11}{111}{101}
			\Hex{FD}{3}
			\Cycles{5}{19}
		\SkipToOpCode
			\OpCode{10}{\fbox{000}}{110}
			\Hex{86}{}
		\SkipToOpCode
			\OpRange{d}
			\Hex{..}{}
	\end{instruction}

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

	\begin{instruction}{ADC A,s\See{2}}
		\Symbol{\SymADC{A}{s}}
		\FlagsADCr
		\OpCode{..}{\fbox{001}}{...} 
		\Hex{}{}
		\Cycles{}{}
		\Comment{
			\multirow{8}{*}{
				\tt
				\begin{tabular}{ll}
					q & \OCT{q} \\
					\hline
					B & 000 \\
					C & 001 \\
					D & 010 \\
					E & 011 \\
					IY\High & 100 \\
					IY\Low & 101 \\
					A & 111 \\
				\end{tabular}
			}
		}
	\end{instruction}

	\begin{instruction}{SUB s\See{2}}
		\Symbol{\SymSUB{s}}
			\FlagsSUBr
			\OpCode{..}{\fbox{010}}{...}
	\end{instruction}

	\begin{instruction}{SBC A,s\See{2}}
		\Symbol{\SymSBC{A}{s}}
			\FlagsSBCr
			\OpCode{..}{\fbox{011}}{...}
	\end{instruction}

	\begin{instruction}{AND s\See{2}}
		\Symbol{\SymAND{s}}
			\FlagsANDr
			\OpCode{..}{\fbox{100}}{...}
	\end{instruction}

	\begin{instruction}{XOR s\See{2}}
		\Symbol{\SymXOR{s}}
			\FlagsXORr
			\OpCode{..}{\fbox{101}}{...}
	\end{instruction}

	\begin{instruction}{OR s\See{2}}
		\Symbol{\SymOR{s}}
			\FlagsORr
			\OpCode{..}{\fbox{110}}{...}
	\end{instruction}

	\begin{instruction}{CP s\See{1,2}}
		\Symbol{\SymCP{s}}
			\FlagsCPr
			\OpCode{..}{\fbox{111}}{...}
	\end{instruction}

	\Empty{}

	\begin{instruction}{INC r} 
		\Symbol{\SymINC{r}}
			\FlagsINCr
			\OpCode{00}{\OCT{r}}{\fbox{100}}
			\Hex{..}{1}
			\Cycles{1}{4}
	\end{instruction}

	\begin{instruction}{INC p}
		\Symbol{\SymINC{p}}
			\FlagsINCr
			\OpCode{11}{011}{101}
			\Hex{DD}{2}
			\Cycles{2}{8}
		\SkipToOpCode
			\OpCode{00}{\OCT{p}}{\fbox{100}}
			\Hex{..}{}
	\end{instruction}

	\begin{instruction}{INC q}
		\Symbol{\SymINC{q}}
			\FlagsINCr
			\OpCode{11}{111}{101}
			\Hex{FD}{2}
			\Hex{2}{8}
		\SkipToOpCode
			\OpCode{00}{\OCT{q}}{\fbox{100}}
			\Hex{..}{}
	\end{instruction}

	\begin{instruction}{INC (HL)}
		\Symbol{\SymINC{(HL)}}
			\FlagsINCr
			\OpCode{00}{110}{\fbox{100}}
			\Hex{34}{1}
			\Cycles{3}{11}
	\end{instruction}

	\begin{instruction}{INC (IX+d)}
		\Symbol{\SymINC{(IX+d)}}
			\FlagsINCr
			\OpCode{11}{011}{101}
			\Hex{DD}{3}
			\Cycles{6}{23}
		\SkipToOpCode
			\OpCode{00}{110}{\fbox{100}}
			\Hex{34}{}
		\SkipToOpCode
			\OpRange{d}
	\end{instruction}

	\begin{instruction}{INC (IY+d)}
		\Symbol{\SymINC{(IY+d)}}
			\FlagsINCr
			\OpCode{11}{111}{101}
			\Hex{FD}{3}
			\Cycles{6}{23}
		\SkipToOpCode
			\OpCode{00}{110}{\fbox{100}}
			\Hex{34}{}
		\SkipToOpCode
			\OpRange{d}
	\end{instruction}

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

	\begin{lastinstruction}{DEC m\See{3}}
		\Symbol{\SymDEC{m}}
			\FlagsDECr
			\OpCode{..}{...}{\fbox{101}}
	\end{lastinstruction}

\end{instrtable}

\begin{notestable}
	\NoteItem{\See{1}YF and XF flags are copied from the operand {\tt s}, not the result {\tt A-s}}

	\NoteItem{\See{2}{\tt s} is any of {\tt r}, {\tt p}, {\tt q}, {\tt n}, {\tt (HL)}, {\tt (IX+d)}, {\tt (IY+d)} as shown for {\tt ADD}. Replace \fbox{{\tt 000}} in the {\tt ADD} set above. Ts also the same}

	\NoteItem{\See{3}{\tt m} is any of {\tt r}, {\tt p}, {\tt q}, {\tt n}, {\tt (HL)}, {\tt (IX+d)}, {\tt (IY+d)} as shown for {\tt INC}. Replace \fbox{{\tt 100}} with \fbox{{\tt 101}} in opcode. Ts also the same}

	\NoteItem{\See{4}PV set if value was {\tt \$7F} before incrementing}

	\NoteItem{\See{5}PV set if value was {\tt \$80} before decrementing}
\end{notestable}

\end{minipage}