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PokeMini-Core/PokeMini/pokemini-code/doc/PM_Opc_JMP.html
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<h3 style="text-align:center"><img src="logo.png" alt="Logo" width="41" height="55" /><br />PokeMini</h3>
<p><a href="index.html">Overview</a></p>
<p><a href="http://code.google.com/p/pokemini/">Website</a></p>
<p><a href="history.html">History</a></p>
<p><a href="keys_info.html">Keys and Info</a></p>
<p><a href="commandline.html">Command-Line</a></p>
<p><a href="about_links.html">About / Links</a></p>
<h3 style="text-align:center">Libraries</h3>
<p><a href="LIB_pm_init.html">pm_init</a></p>
<p><a href="LIB_pm_music.html">pm_music</a></p>
<h3 style="text-align:center">Tools</h3>
<p><a href="TOOLS_colormapper.html">Color Mapper</a></p>
<p><a href="TOOLS_ImgConv.html">Image Converter</a></p>
<p><a href="TOOLS_MusicConv.html">Music Converter</a></p>
<p>Last Updated:<br />
<strong>Jun. 12, 2014</strong></p>
<br /><br />
<h3 style="text-align:center"><img src="cpudie.gif" alt="CPU Die" width="73" height="55" /><br />
Hardware</h3>
<p><a href="Minx_Cpu.html">Minx CPU</a></p>
<p><img src="ico_minus.gif" alt="-" name="InstructionSet_Ico" width="11" height="11" id="InstructionSet_Ico" onclick="javascript:InstructionSet_CheckItem()" /> <a href="PM_InstructionList.html">Instruction Set:</a></p>
<div id="InstructionSet_Div">
<ul>
<li><a href="PM_Opc_NOP.html">NOP</a></li>
<li><a href="PM_Opc_MOV8.html">MOV (8-Bits)</a></li>
<li><a href="PM_Opc_MOV16.html">MOV (16-Bits)</a></li>
<li><a href="PM_Opc_ADD8.html">ADD (8-Bits)</a></li>
<li><a href="PM_Opc_ADD16.html">ADD (16-Bits)</a></li>
<li><a href="PM_Opc_SUB8.html">SUB (8-Bits)</a></li>
<li><a href="PM_Opc_SUB16.html">SUB (16-Bits)</a></li>
<li><a href="PM_Opc_ADC8.html">ADC (8-Bits)</a></li>
<li><a href="PM_Opc_ADC16.html">ADC (16-Bits)</a></li>
<li><a href="PM_Opc_SBC8.html">SBC (8-Bits)</a></li>
<li><a href="PM_Opc_SBC16.html">SBC (16-Bits)</a></li>
<li><a href="PM_Opc_CMP8.html">CMP (8-Bits)</a></li>
<li><a href="PM_Opc_CMP16.html">CMP (16-Bits)</a></li>
<li><a href="PM_Opc_INC.html">INC</a></li>
<li><a href="PM_Opc_DEC.html">DEC</a></li>
<li><a href="PM_Opc_NEG.html">NEG</a></li>
<li><a href="PM_Opc_MUL.html">MUL</a></li>
<li><a href="PM_Opc_DIV.html">DIV</a></li>
<li><a href="PM_Opc_TST.html">TST</a></li>
<li><a href="PM_Opc_AND.html">AND</a></li>
<li><a href="PM_Opc_OR.html">OR</a></li>
<li><a href="PM_Opc_XOR.html">XOR</a></li>
<li><a href="PM_Opc_NOT.html">NOT</a></li>
<li><a href="PM_Opc_SHL.html">SHL</a></li>
<li><a href="PM_Opc_SAL.html">SAL</a></li>
<li><a href="PM_Opc_SHR.html">SHR</a></li>
<li><a href="PM_Opc_SAR.html">SAR</a></li>
<li><a href="PM_Opc_ROL.html">ROL</a></li>
<li><a href="PM_Opc_ROLC.html">ROLC</a></li>
<li><a href="PM_Opc_ROR.html">ROR</a></li>
<li><a href="PM_Opc_RORC.html">RORC</a></li>
<li><a href="PM_Opc_XCHG.html">XCHG</a></li>
<li><a href="PM_Opc_PACK.html">PACK</a></li>
<li><a href="PM_Opc_UNPACK.html">UNPACK</a></li>
<li><a href="PM_Opc_SWAP.html">SWAP</a></li>
<li><a href="PM_Opc_EX.html">EX</a></li>
<li><a href="PM_Opc_PUSH.html">PUSH</a></li>
<li><a href="PM_Opc_POP.html">POP</a></li>
<li><a href="PM_Opc_CALL.html">CALL</a></li>
<li><a href="PM_Opc_JMP.html">JMP</a></li>
<li><a href="PM_Opc_RET.html">RET</a></li>
<li><a href="PM_Opc_HALT.html">HALT</a></li>
<li><a href="PM_Opc_STOP.html">STOP</a></li>
</ul>
</div>
<p><a href="PM_Memory.html">Memory Map</a></p>
<p><a href="PM_Cartridge.html">Cartridge </a></p>
<p><a href="PM_RAM.html">RAM</a></p>
<p><a href="PM_IRQBios.html">Interrupt / BIOS</a></p>
<p><a href="PM_Registers.html">Hardware Registers</a></p>
<p><a href="PM_Timers.html">Timers</a></p>
<p><a href="PM_IO_Port.html">Hardware I/O Port</a></p>
<p><a href="PM_Audio.html">Audio / Sound</a></p>
<p><a href="PM_PRC.html">PRC (Program Rendering Chip)</a></p>
<p><a href="LCD_Controller.html">LCD Controller</a></p>
<p><a href="PM_Pinouts.html">Cartridge Pinsout</a></p>
<p>Last Updated:<br />
<strong>Dec. 16, 2011</strong></p>
</div>
<div id="mainContent">
<!-- InstanceBeginEditable name="Content" -->
<h2><span class="mw-headline" id="JMP_.3D_Jump_to_routine">JMP = Jump to routine </span></h2>
<table id="sortable_table_id_0" style="text-align: left;" class="sortable" border="1">
<tbody>
<tr>
<th>Hex</th>
<th>Mnemonic</th>
<th>Cycles</th>
<th>Condition</th>
</tr>
<tr>
<td>E4 ss </td>
<td>JCB #ss<sup>*1</sup> </td>
<td>8 </td>
<td>Carry=1 </td>
</tr>
<tr>
<td>E5 ss </td>
<td>JNCB #ss<sup>*1</sup> </td>
<td>8 </td>
<td>Carry=0 </td>
</tr>
<tr>
<td>E6 ss </td>
<td>JZB #ss<sup>*1</sup> </td>
<td>8 </td>
<td>Zero=1 </td>
</tr>
<tr>
<td>E7 ss </td>
<td>JNZB #ss<sup>*1</sup> </td>
<td>8 </td>
<td>Zero=0 </td>
</tr>
<tr>
<td>EC ss ss </td>
<td>JCW #ssss<sup>*1</sup> </td>
<td>12 </td>
<td>Carry=1 </td>
</tr>
<tr>
<td>ED ss ss </td>
<td>JNCW #ssss<sup>*1</sup> </td>
<td>12 </td>
<td>Carry=0 </td>
</tr>
<tr>
<td>EE ss ss </td>
<td>JZW #ssss<sup>*1</sup> </td>
<td>12 </td>
<td>Zero=1 </td>
</tr>
<tr>
<td>EF ss ss </td>
<td>JNZW #ssss<sup>*1</sup> </td>
<td>12 </td>
<td>Zero=0 </td>
</tr>
<tr>
<td>F1 ss </td>
<td>JMPB #ss<sup>*1</sup> </td>
<td>8 </td>
<td>None </td>
</tr>
<tr>
<td>F3 ss ss </td>
<td>JMPW #ssss<sup>*1</sup> </td>
<td>12 </td>
<td>None </td>
</tr>
<tr>
<td>F4 </td>
<td>JMP HL </td>
<td>8 </td>
<td>None </td>
</tr>
<tr>
<td>F5 ss </td>
<td>JDBNZ #ss </td>
<td>16 </td>
<td>B &lt;&gt; 0x00, decrement B before check </td>
</tr>
<tr>
<td>FD nn </td>
<td>JINT #nn </td>
<td>8 </td>
<td>None </td>
</tr>
<tr>
<td>CE E0 ss </td>
<td>JL #ss </td>
<td>12 </td>
<td>(Overflow=1)&nbsp;!= (Sign=1) </td>
</tr>
<tr>
<td>CE E1 ss </td>
<td>JLE #ss </td>
<td>12 </td>
<td>((Overflow=0)&nbsp;!= (Sign=0)) OR (Zero=1) </td>
</tr>
<tr>
<td>CE E2 ss </td>
<td>JG #ss </td>
<td>12 </td>
<td>((Overflow=1) == (Sign=1)) AND (Zero=0) </td>
</tr>
<tr>
<td>CE E3 ss </td>
<td>JGE #ss </td>
<td>12 </td>
<td>(Overflow=0) == (Sign=0) </td>
</tr>
<tr>
<td>CE E4 ss </td>
<td>JO #ss </td>
<td>12 </td>
<td>Overflow=1 </td>
</tr>
<tr>
<td>CE E5 ss </td>
<td>JNO #ss </td>
<td>12 </td>
<td>Overflow=0 </td>
</tr>
<tr>
<td>CE E6 ss </td>
<td>JNS #ss </td>
<td>12 </td>
<td>Sign=0 </td>
</tr>
<tr>
<td>CE E7 ss </td>
<td>JS #ss </td>
<td>12 </td>
<td>Sign=1 </td>
</tr>
<tr>
<td>CE E8 ss </td>
<td>JNX0 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE E9 ss </td>
<td>JNX1 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE EA ss </td>
<td>JNX2 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE EB ss </td>
<td>JNX3 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE EC ss </td>
<td>JX0 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE ED ss </td>
<td>JX1 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE EE ss </td>
<td>JX2 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
<tr>
<td>CE EF ss </td>
<td>JX3 #ss </td>
<td>12 </td>
<td>?? </td>
</tr>
</tbody>
</table>
<p><b>*1</b>: JMP, JC, JNC, JZ and JNZ can be used in the assembler to auto-detect the appropriate range. </p>
<h3><span class="mw-headline" id="Execute">Execute </span></h3>
<pre>#nn = Immediate unsigned 8-Bits
#ss = Immediate signed 8-Bits
#ssss = Immediate signed 16-Bits
B = Register B
U/V = Register U or V
HL = Register HL: (H shl 8) or L
SP = Register SP (Stack Pointer)
PC = Register PC (Program Counter)
[#nnnn] = Memory: (I shl 16) or #nnnn
</pre>
<pre>; J*B #ss
IF (Condition) THEN
V = U
PC = PC + #ss - 1
ENDIF
</pre>
<pre>; J*W #ssss
IF (Condition) THEN
V = U
PC = PC + #ssss - 1
ENDIF
</pre>
<pre>; JMPB #ss
V = U
PC = PC + #ss - 1
</pre>
<pre>; JMPW #ssss
V = U
PC = PC + #ssss - 1
</pre>
<pre>; JMP HL
V = U
PC = HL
</pre>
<pre>; JDBNZ #ss
B = B - 1
IF (B &lt;&gt; 0) THEN
V = U
PC = PC + #ss - 1
ENDIF
</pre>
<pre>; JINT #nn (<i>not fully tested</i>)
V = U
PC = Memory16[#nn SHL 1]
</pre>
<h3><span class="mw-headline" id="Description">Description </span></h3>
<p>Jump into a new position of the program. </p>
<p>NOTE: All non-branch instructions does &quot;U = V&quot; causing U to be
restored, any branch that require banking needs &quot;MOV U, A&quot; or &quot;MOV U,
#nn&quot; before JMP/J*... </p>
<h3><span class="mw-headline" id="Conditions">Conditions </span></h3>
<p><b>0xF5 - JDBNZ #ss </b> </p>
<p>Zero: Set when result is 0 </p>
<p>Carry, Overflow and Sign remain unchanged </p>
<p><b>All others:</b> </p>
<p>None </p>
<h3><span class="mw-headline" id="Examples">Examples </span></h3>
<pre>&nbsp;; A = 0x10
<a href="PM_Opc_CMP8.html" title="PM Opc CMP8">CMP A, 0x10</a> &nbsp;; Compare A with 0x10
&nbsp;; F = (Zero=1):(Carry=0):(Overflow=0):(Sign=0)
<b>JZ val_is_16</b>
<a href="PM_Opc_MOV8.html" title="PM Opc MOV8">MOV A, 0x00</a>
val_is_16:
&nbsp;; A = 0x10
</pre>
<pre>; Jump into a label located at a different bank
<a href="PM_Opc_MOV8.html" title="PM Opc MOV8">MOV U, $0F</a>
<b>JMP function_at_bank_15</b>
</pre>
<p><a href="PM_InstructionList.html" title="PM InstructionList"><b>« Back to Instruction set</b></a> </p>
<div class="printfooter"> Retrieved from &quot;<a href="http://wiki.sublab.net/index.php/PM_Opc_JMP">http://wiki.sublab.net/index.php/PM_Opc_JMP</a>&quot;</div>
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<p class="copyright">&copy; 2011-2015 by JustBurn - Hardware documentation copy from Sublab by Team-Pokémé</p>
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