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CPU6809_opcodes.html
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CPU6809_opcodes.html
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<!DOCTYPE html>
<html>
<head>
<style>
table, th, td{border-collapse:collapse;border:1px solid black;}
th, td {padding:5px;}
</style>
</head>
<body>
<h1>6809 opcodes:</h1>
<table>
<tr>
<th>instruction</th>
<th>mnemonic</th>
<th>CC flags</th>
<th>example</th>
<th>op code</th>
<th>bytes</th>
<th>cycles</th>
<th>address mode</th>
<th>needs ea</th>
<th>read from memory</th>
<th>write to memory</th>
<th>register</th>
</tr>
<tr>
<td>ABX</td>
<td>ABX</td>
<td>-----</td>
<td>X = B+X (Unsigned)</td>
<td>$3a</td>
<td>1</td>
<td>3</td>
<td>inherent</td>
<td rowspan="30" title="needs ea: no">no</td>
<td>no</td>
<td rowspan="30" title="write to memory: no">no</td>
<td>-</td>
</tr>
<tr>
<td rowspan="8" title="instruction: ADC">ADC</td>
<td rowspan="4" title="mnemonic: ADCA">ADCA</td>
<td rowspan="16" title="CC flags: aaaaa">aaaaa</td>
<td rowspan="4" title="example: A = A+M+C">A = A+M+C</td>
<td>$89</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="16" title="read from memory: byte">byte</td>
<td rowspan="4" title="register: A">A</td>
</tr>
<tr>
<td>$99</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$a9</td>
<td>indexed</td>
</tr>
<tr>
<td>$b9</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: ADCB">ADCB</td>
<td rowspan="4" title="example: B = B+M+C">B = B+M+C</td>
<td>$c9</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: B">B</td>
</tr>
<tr>
<td>$d9</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$e9</td>
<td>indexed</td>
</tr>
<tr>
<td>$f9</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="12" title="instruction: ADD">ADD</td>
<td rowspan="4" title="mnemonic: ADDA">ADDA</td>
<td rowspan="4" title="example: A = A+M">A = A+M</td>
<td>$8b</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: A">A</td>
</tr>
<tr>
<td>$9b</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$ab</td>
<td>indexed</td>
</tr>
<tr>
<td>$bb</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: ADDB">ADDB</td>
<td rowspan="4" title="example: B = B+M">B = B+M</td>
<td>$cb</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: B">B</td>
</tr>
<tr>
<td>$db</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$eb</td>
<td>indexed</td>
</tr>
<tr>
<td>$fb</td>
<td rowspan="2" title="bytes: 3">3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: ADDD">ADDD</td>
<td rowspan="4" title="CC flags: -aaaa">-aaaa</td>
<td rowspan="4" title="example: D = D+M:M+1">D = D+M:M+1</td>
<td>$c3</td>
<td>4</td>
<td>immediate word</td>
<td rowspan="4" title="read from memory: word">word</td>
<td rowspan="4" title="register: D">D</td>
</tr>
<tr>
<td>$d3</td>
<td rowspan="2" title="bytes: 2">2</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct word</td>
</tr>
<tr>
<td>$e3</td>
<td>indexed word</td>
</tr>
<tr>
<td>$f3</td>
<td>3</td>
<td>7</td>
<td>extended word</td>
</tr>
<tr>
<td rowspan="9" title="instruction: AND">AND</td>
<td rowspan="4" title="mnemonic: ANDA">ANDA</td>
<td rowspan="8" title="CC flags: -aa0-">-aa0-</td>
<td rowspan="4" title="example: A = A && M">A = A && M</td>
<td>$84</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="12" title="read from memory: byte">byte</td>
<td rowspan="4" title="register: A">A</td>
</tr>
<tr>
<td>$94</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$a4</td>
<td>indexed</td>
</tr>
<tr>
<td>$b4</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: ANDB">ANDB</td>
<td rowspan="4" title="example: B = B && M">B = B && M</td>
<td>$c4</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: B">B</td>
</tr>
<tr>
<td>$d4</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$e4</td>
<td>indexed</td>
</tr>
<tr>
<td>$f4</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td>ANDCC</td>
<td>ddddd</td>
<td>C = CC && IMM</td>
<td>$1c</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>3</td>
<td>immediate</td>
<td>CC</td>
</tr>
<tr>
<td rowspan="5" title="instruction: ASR">ASR</td>
<td rowspan="3" title="mnemonic: ASR">ASR</td>
<td rowspan="5" title="CC flags: uaa-s">uaa-s</td>
<td rowspan="3" title="example: M = Arithmetic shift M right">M = Arithmetic shift M right</td>
<td>$07</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct</td>
<td rowspan="3" title="needs ea: yes">yes</td>
<td rowspan="3" title="write to memory: byte">byte</td>
<td rowspan="3" title="register: -">-</td>
</tr>
<tr>
<td>$67</td>
<td>indexed</td>
</tr>
<tr>
<td>$77</td>
<td>3</td>
<td>7</td>
<td>extended</td>
</tr>
<tr>
<td>ASRA</td>
<td>A = Arithmetic shift A right</td>
<td>$47</td>
<td rowspan="2" title="bytes: 1">1</td>
<td rowspan="2" title="cycles: 2">2</td>
<td rowspan="2" title="address mode: inherent">inherent</td>
<td rowspan="2" title="needs ea: no">no</td>
<td rowspan="12" title="read from memory: no">no</td>
<td rowspan="44" title="write to memory: no">no</td>
<td>A</td>
</tr>
<tr>
<td>ASRB</td>
<td>B = Arithmetic shift B right</td>
<td>$57</td>
<td>B</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BEQ">BEQ</td>
<td>BEQ</td>
<td rowspan="10" title="CC flags: -----">-----</td>
<td rowspan="10" title="example: "></td>
<td>$27</td>
<td>2</td>
<td>3</td>
<td>relative</td>
<td rowspan="10" title="needs ea: yes">yes</td>
<td rowspan="10" title="register: -">-</td>
</tr>
<tr>
<td>LBEQ</td>
<td>$1027</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BGE">BGE</td>
<td>BGE</td>
<td>$2c</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBGE</td>
<td>$102c</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BGT">BGT</td>
<td>BGT</td>
<td>$2e</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBGT</td>
<td>$102e</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BHI">BHI</td>
<td>BHI</td>
<td>$22</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBHI</td>
<td>$1022</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BHS">BHS</td>
<td>BCC</td>
<td>$24</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBCC</td>
<td>$1024</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="8" title="instruction: BIT">BIT</td>
<td rowspan="4" title="mnemonic: BITA">BITA</td>
<td rowspan="8" title="CC flags: -aa0-">-aa0-</td>
<td rowspan="4" title="example: Bit Test A (M&&A)">Bit Test A (M&&A)</td>
<td>$85</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="8" title="needs ea: no">no</td>
<td rowspan="8" title="read from memory: byte">byte</td>
<td rowspan="4" title="register: A">A</td>
</tr>
<tr>
<td>$95</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$a5</td>
<td>indexed</td>
</tr>
<tr>
<td>$b5</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: BITB">BITB</td>
<td rowspan="4" title="example: Bit Test B (M&&B)">Bit Test B (M&&B)</td>
<td>$c5</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: B">B</td>
</tr>
<tr>
<td>$d5</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$e5</td>
<td>indexed</td>
</tr>
<tr>
<td>$f5</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BLE">BLE</td>
<td>BLE</td>
<td rowspan="24" title="CC flags: -----">-----</td>
<td rowspan="24" title="example: "></td>
<td>$2f</td>
<td>2</td>
<td>3</td>
<td>relative</td>
<td rowspan="27" title="needs ea: yes">yes</td>
<td rowspan="29" title="read from memory: no">no</td>
<td rowspan="27" title="register: -">-</td>
</tr>
<tr>
<td>LBLE</td>
<td>$102f</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BLO">BLO</td>
<td>BLO</td>
<td>$25</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBCS</td>
<td>$1025</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BLS">BLS</td>
<td>BLS</td>
<td>$23</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBLS</td>
<td>$1023</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BLT">BLT</td>
<td>BLT</td>
<td>$2d</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBLT</td>
<td>$102d</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BMI">BMI</td>
<td>BMI</td>
<td>$2b</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBMI</td>
<td>$102b</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BNE">BNE</td>
<td>BNE</td>
<td>$26</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBNE</td>
<td>$1026</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BPL">BPL</td>
<td>BPL</td>
<td>$2a</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBPL</td>
<td>$102a</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BRA">BRA</td>
<td>BRA</td>
<td>$20</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBRA</td>
<td>$16</td>
<td>3</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BRN">BRN</td>
<td>BRN</td>
<td>$21</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBRN</td>
<td>$1021</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BSR">BSR</td>
<td>BSR</td>
<td>$8d</td>
<td>2</td>
<td>7</td>
<td>relative</td>
</tr>
<tr>
<td>LBSR</td>
<td>$17</td>
<td>3</td>
<td>9</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BVC">BVC</td>
<td>BVC</td>
<td>$28</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBVC</td>
<td>$1028</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="2" title="instruction: BVS">BVS</td>
<td>BVS</td>
<td>$29</td>
<td>2</td>
<td>3</td>
<td>relative</td>
</tr>
<tr>
<td>LBVS</td>
<td>$1029</td>
<td>4</td>
<td>5</td>
<td>relative word</td>
</tr>
<tr>
<td rowspan="5" title="instruction: CLR">CLR</td>
<td rowspan="3" title="mnemonic: CLR">CLR</td>
<td rowspan="5" title="CC flags: -0100">-0100</td>
<td rowspan="3" title="example: M = 0">M = 0</td>
<td>$0f</td>
<td rowspan="2" title="bytes: 2">2</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct</td>
<td rowspan="3" title="write to memory: byte">byte</td>
</tr>
<tr>
<td>$6f</td>
<td>indexed</td>
</tr>
<tr>
<td>$7f</td>
<td>3</td>
<td>7</td>
<td>extended</td>
</tr>
<tr>
<td>CLRA</td>
<td>A = 0</td>
<td>$4f</td>
<td rowspan="2" title="bytes: 1">1</td>
<td rowspan="3" title="cycles: 2">2</td>
<td rowspan="2" title="address mode: inherent">inherent</td>
<td rowspan="30" title="needs ea: no">no</td>
<td rowspan="30" title="write to memory: no">no</td>
<td>A</td>
</tr>
<tr>
<td>CLRB</td>
<td>B = 0</td>
<td>$5f</td>
<td>B</td>
</tr>
<tr>
<td rowspan="28" title="instruction: CMP">CMP</td>
<td rowspan="4" title="mnemonic: CMPA">CMPA</td>
<td rowspan="8" title="CC flags: uaaaa">uaaaa</td>
<td rowspan="4" title="example: Compare M from A">Compare M from A</td>
<td>$81</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>immediate</td>
<td rowspan="8" title="read from memory: byte">byte</td>
<td rowspan="4" title="register: A">A</td>
</tr>
<tr>
<td>$91</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$a1</td>
<td>indexed</td>
</tr>
<tr>
<td>$b1</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: CMPB">CMPB</td>
<td rowspan="4" title="example: Compare M from B">Compare M from B</td>
<td>$c1</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: B">B</td>
</tr>
<tr>
<td>$d1</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$e1</td>
<td>indexed</td>
</tr>
<tr>
<td>$f1</td>
<td>3</td>
<td rowspan="2" title="cycles: 5">5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: CMPD">CMPD</td>
<td rowspan="20" title="CC flags: -aaaa">-aaaa</td>
<td rowspan="4" title="example: Compare M:M+1 from D">Compare M:M+1 from D</td>
<td>$1083</td>
<td>4</td>
<td>immediate word</td>
<td rowspan="20" title="read from memory: word">word</td>
<td rowspan="4" title="register: D">D</td>
</tr>
<tr>
<td>$1093</td>
<td rowspan="2" title="bytes: 3">3</td>
<td rowspan="2" title="cycles: 7">7</td>
<td>direct word</td>
</tr>
<tr>
<td>$10a3</td>
<td>indexed word</td>
</tr>
<tr>
<td>$10b3</td>
<td rowspan="2" title="bytes: 4">4</td>
<td>8</td>
<td>extended word</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: CMPS">CMPS</td>
<td rowspan="4" title="example: Compare M:M+1 from S">Compare M:M+1 from S</td>
<td>$118c</td>
<td>5</td>
<td>immediate word</td>
<td rowspan="4" title="register: S">S</td>
</tr>
<tr>
<td>$119c</td>
<td rowspan="2" title="bytes: 3">3</td>
<td rowspan="2" title="cycles: 7">7</td>
<td>direct word</td>
</tr>
<tr>
<td>$11ac</td>
<td>indexed word</td>
</tr>
<tr>
<td>$11bc</td>
<td rowspan="2" title="bytes: 4">4</td>
<td>8</td>
<td>extended word</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: CMPU">CMPU</td>
<td rowspan="4" title="example: Compare M:M+1 from U">Compare M:M+1 from U</td>
<td>$1183</td>
<td>5</td>
<td>immediate word</td>
<td rowspan="4" title="register: U">U</td>
</tr>
<tr>
<td>$1193</td>
<td rowspan="2" title="bytes: 3">3</td>
<td rowspan="2" title="cycles: 7">7</td>
<td>direct word</td>
</tr>
<tr>
<td>$11a3</td>
<td>indexed word</td>
</tr>
<tr>
<td>$11b3</td>
<td>4</td>
<td>8</td>
<td>extended word</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: CMPX">CMPX</td>
<td rowspan="4" title="example: Compare M:M+1 from X">Compare M:M+1 from X</td>
<td>$8c</td>
<td>3</td>
<td>4</td>
<td>immediate word</td>
<td rowspan="4" title="register: X">X</td>
</tr>
<tr>
<td>$9c</td>
<td rowspan="2" title="bytes: 2">2</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct word</td>
</tr>
<tr>
<td>$ac</td>
<td>indexed word</td>
</tr>
<tr>
<td>$bc</td>
<td>3</td>
<td>7</td>
<td>extended word</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: CMPY">CMPY</td>
<td rowspan="4" title="example: Compare M:M+1 from Y">Compare M:M+1 from Y</td>
<td>$108c</td>
<td>4</td>
<td>5</td>
<td>immediate word</td>
<td rowspan="4" title="register: Y">Y</td>
</tr>
<tr>
<td>$109c</td>
<td rowspan="2" title="bytes: 3">3</td>
<td rowspan="2" title="cycles: 7">7</td>
<td>direct word</td>
</tr>
<tr>
<td>$10ac</td>
<td>indexed word</td>
</tr>
<tr>
<td>$10bc</td>
<td>4</td>
<td>8</td>
<td>extended word</td>
</tr>
<tr>
<td rowspan="5" title="instruction: COM">COM</td>
<td rowspan="3" title="mnemonic: COM">COM</td>
<td rowspan="5" title="CC flags: -aa01">-aa01</td>
<td rowspan="3" title="example: M = complement(M)">M = complement(M)</td>
<td>$03</td>
<td rowspan="2" title="bytes: 2">2</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct</td>
<td rowspan="3" title="needs ea: yes">yes</td>
<td rowspan="3" title="read from memory: byte">byte</td>
<td rowspan="3" title="write to memory: byte">byte</td>
<td rowspan="3" title="register: -">-</td>
</tr>
<tr>
<td>$63</td>
<td>indexed</td>
</tr>
<tr>
<td>$73</td>
<td>3</td>
<td>7</td>
<td>extended</td>
</tr>
<tr>
<td>COMA</td>
<td>A = complement(A)</td>
<td>$43</td>
<td rowspan="2" title="bytes: 1">1</td>
<td rowspan="2" title="cycles: 2">2</td>
<td rowspan="2" title="address mode: inherent">inherent</td>
<td rowspan="4" title="needs ea: no">no</td>
<td rowspan="2" title="read from memory: no">no</td>
<td rowspan="4" title="write to memory: no">no</td>
<td>A</td>
</tr>
<tr>
<td>COMB</td>
<td>B = complement(B)</td>
<td>$53</td>
<td>B</td>
</tr>
<tr>
<td>CWAI</td>
<td>CWAI</td>
<td>ddddd</td>
<td>CC = CC ^ IMM; (Wait for Interrupt)</td>
<td>$3c</td>
<td>2</td>
<td>21</td>
<td>immediate</td>
<td>byte</td>
<td rowspan="5" title="register: -">-</td>
</tr>
<tr>
<td>DAA</td>
<td>DAA</td>
<td>-aa0a</td>
<td>Decimal Adjust A</td>
<td>$19</td>
<td>1</td>
<td>2</td>
<td>inherent</td>
<td>no</td>
</tr>
<tr>
<td rowspan="5" title="instruction: DEC">DEC</td>
<td rowspan="3" title="mnemonic: DEC">DEC</td>
<td rowspan="5" title="CC flags: -aaa-">-aaa-</td>
<td rowspan="3" title="example: M = M - 1">M = M - 1</td>
<td>$0a</td>
<td rowspan="2" title="bytes: 2">2</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct</td>
<td rowspan="3" title="needs ea: yes">yes</td>
<td rowspan="3" title="read from memory: byte">byte</td>
<td rowspan="3" title="write to memory: byte">byte</td>
</tr>
<tr>
<td>$6a</td>
<td>indexed</td>
</tr>
<tr>
<td>$7a</td>
<td>3</td>
<td>7</td>
<td>extended</td>
</tr>
<tr>
<td>DECA</td>
<td>A = A - 1</td>
<td>$4a</td>
<td rowspan="2" title="bytes: 1">1</td>
<td rowspan="3" title="cycles: 2">2</td>
<td rowspan="2" title="address mode: inherent">inherent</td>
<td rowspan="11" title="needs ea: no">no</td>
<td rowspan="2" title="read from memory: no">no</td>
<td rowspan="11" title="write to memory: no">no</td>
<td>A</td>
</tr>
<tr>
<td>DECB</td>
<td>B = B - 1</td>
<td>$5a</td>
<td>B</td>
</tr>
<tr>
<td rowspan="8" title="instruction: EOR">EOR</td>
<td rowspan="4" title="mnemonic: EORA">EORA</td>
<td rowspan="8" title="CC flags: -aa0-">-aa0-</td>
<td rowspan="4" title="example: A = A XOR M">A = A XOR M</td>
<td>$88</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>immediate</td>
<td rowspan="12" title="read from memory: byte">byte</td>
<td rowspan="4" title="register: A">A</td>
</tr>
<tr>
<td>$98</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$a8</td>
<td>indexed</td>
</tr>
<tr>
<td>$b8</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td rowspan="4" title="mnemonic: EORB">EORB</td>
<td rowspan="4" title="example: B = M XOR B">B = M XOR B</td>
<td>$c8</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>2</td>
<td>immediate</td>
<td rowspan="4" title="register: B">B</td>
</tr>
<tr>
<td>$d8</td>
<td rowspan="2" title="cycles: 4">4</td>
<td>direct</td>
</tr>
<tr>
<td>$e8</td>
<td>indexed</td>
</tr>
<tr>
<td>$f8</td>
<td>3</td>
<td>5</td>
<td>extended</td>
</tr>
<tr>
<td>EXG</td>
<td>EXG</td>
<td>ccccc</td>
<td>exchange R1,R2</td>
<td>$1e</td>
<td rowspan="3" title="bytes: 2">2</td>
<td>8</td>
<td>immediate</td>
<td rowspan="4" title="register: -">-</td>
</tr>
<tr>
<td rowspan="5" title="instruction: INC">INC</td>
<td rowspan="3" title="mnemonic: INC">INC</td>
<td rowspan="5" title="CC flags: -aaa-">-aaa-</td>
<td rowspan="3" title="example: M = M + 1">M = M + 1</td>
<td>$0c</td>
<td rowspan="2" title="cycles: 6">6</td>
<td>direct</td>
<td rowspan="3" title="needs ea: yes">yes</td>
<td rowspan="3" title="write to memory: byte">byte</td>
</tr>
<tr>
<td>$6c</td>
<td>indexed</td>
</tr>
<tr>
<td>$7c</td>
<td>3</td>
<td>7</td>
<td>extended</td>
</tr>
<tr>
<td>INCA</td>
<td>A = A + 1</td>
<td>$4c</td>
<td rowspan="2" title="bytes: 1">1</td>
<td rowspan="2" title="cycles: 2">2</td>
<td rowspan="2" title="address mode: inherent">inherent</td>
<td rowspan="2" title="needs ea: no">no</td>
<td rowspan="8" title="read from memory: no">no</td>
<td rowspan="40" title="write to memory: no">no</td>
<td>A</td>
</tr>
<tr>
<td>INCB</td>
<td>B = B + 1</td>
<td>$5c</td>
<td>B</td>
</tr>