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ST20 Embedded Toolset R2.0.5用于开发基于ST20芯片机顶盒软件的开发平台,2.0.5版本,国内找不到的.在国外论坛上花了N天才找到!

    <dd> <a name="48997"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using5.htm#1102592">4.4.4 Unary minus</a></font>
    <dd> <a name="48999"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using5.htm#1102604">4.4.5 Long arithmetic</a></font>
    <dd> <a name="49001"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using5.htm#1102670">4.4.6 Object length conversion</a></font>
  </dl>
  <dd> <a name="49003"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using6.htm#1102711">4.5 Forming addresses</a></font>
  <dl>
    <dd> <a name="49005"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using6.htm#1102771">4.5.1 The address of a variable</a></font>
    <dd> <a name="49007"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using6.htm#1112874">4.5.2 The address of an instruction</a></font>
    <dd> <a name="49009"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using6.htm#1102788">4.5.3 Arrays</a></font>
  </dl>
  <dd> <a name="49011"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using7.htm#1102901">4.6 Comparisons and jumps</a></font>
  <dl>
    <dd> <a name="49013"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using7.htm#1102978">4.6.1 Representation of true and false</a></font>
    <dd> <a name="49015"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using7.htm#1102987">4.6.2 Comparison</a></font>
    <dd> <a name="49017"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using7.htm#1102991">4.6.3 Jump and conditional jump</a></font>
    <dd> <a name="49019"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using7.htm#1102998">4.6.4 Conditional transfer of control</a></font>
    <dd> <a name="49021"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using7.htm#1103021">4.6.5 Ordering instructions</a></font>
  </dl>
  <dd> <a name="49023"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using8.htm#1103036">4.7 Evaluation of boolean expressions</a></font>
  <dl>
    <dd> <a name="49025"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using8.htm#1103056">4.7.1 Evaluation of NOT</a></font>
    <dd> <a name="49027"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using8.htm#1103060">4.7.2 Evaluation of AND and OR</a></font>
  </dl>
  <dd> <a name="49029"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using9.htm#1103084">4.8 Bitwise logic and bit operations</a></font>
  <dl>
    <dd> <a name="49031"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using9.htm#1103153">4.8.1 Memory bit test and clear or set</a></font>
  </dl>
  <dd> <a name="49033"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using10.htm#1103159">4.9 Shifting and byte swapping</a></font>
  <dd> <a name="49035"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using11.htm#1103203">4.10 Function and procedure calls</a></font>
  <dl>
    <dd> <a name="49037"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using11.htm#1103248">4.10.1 Adjusting work space</a></font>
    <dd> <a name="49039"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using11.htm#1103264">4.10.2 Parameters</a></font>
    <dd> <a name="49041"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using11.htm#1103307">4.10.3 Returning results</a></font>
    <dd> <a name="49043"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using11.htm#1103313">4.10.4 Calling a function</a></font>
    <dd> <a name="49045"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using11.htm#1103336">4.10.5 Other work space allocation techniques</a></font>
  </dl>
  <dd> <a name="49047"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using12.htm#1103353">4.11 Peripherals and I/O</a></font>
  <dl>
    <dd> <a name="49049"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using12.htm#1103389">4.11.1 Using the IO register</a></font>
    <dd> <a name="49051"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using12.htm#1103405">4.11.2 Memory-mapped peripherals</a></font>
    <dd> <a name="49053"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using12.htm#1103414">4.11.3 Channel-type peripherals</a></font>
  </dl>
  <dd> <a name="49055"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="using13.htm#1103467">4.12 STATUS register</a></font>
</dl>
<h2>
  <a name="49057"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc.htm#1103830">5 Multiply accumulate</a></font>
</h2>
<dl>
  <dd> <a name="49059"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc2.htm#1102054">5.1 Overview</a></font>
  <dd> <a name="49061"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc3.htm#1102106">5.2 Data formats</a></font>
  <dd> <a name="49063"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc4.htm#1102112">5.3 mac and umac</a></font>
  <dd> <a name="49065"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc5.htm#1102119">5.4 Short multiply accumulate loop</a></font>
  <dl>
    <dd> <a name="49067"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc5.htm#1102227">5.4.1 X buffer size</a></font>
    <dd> <a name="49069"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc5.htm#1102294">5.4.2 Number of steps</a></font>
    <dd> <a name="49071"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc5.htm#1102296">5.4.3 Scaling</a></font>
    <dd> <a name="49073"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc5.htm#1102302">5.4.4 Accumulator format mode</a></font>
  </dl>
  <dd> <a name="49075"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc6.htm#1102310">5.5 Biquad IIR filter</a></font>
  <dd> <a name="49077"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc7.htm#1102330">5.6 Data vectors</a></font>
  <dd> <a name="49079"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1102447">5.7 Scaling</a></font>
  <dl>
    <dd> <a name="49081"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1102450">5.7.1 Accumulator scaling</a></font>
    <dd> <a name="49083"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1102647">5.7.2 Coefficient scaling</a></font>
    <dd> <a name="49085"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1103281">5.7.3 Pre-scaling and rounding - smacloop</a></font>
    <dd> <a name="49087"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1103292">5.7.4 Pre-scaling and rounding - biquad</a></font>
    <dd> <a name="49089"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1103294">5.7.5 Post-scaling and saturation - smacloop</a></font>
    <dd> <a name="49091"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1103311">5.7.6 Post-scaling and saturation - biquad</a></font>
    <dd> <a name="49093"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1103318">5.7.7 Error: load exceptional value</a></font>
    <dd> <a name="49095"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc8.htm#1103347">5.7.8 Performance and interrupts</a></font>
  </dl>
  <dd> <a name="49097"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103355">5.8 Data formats</a></font>
  <dl>
    <dd> <a name="49099"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103404">5.8.1 Range</a></font>
    <dd> <a name="49101"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103407">5.8.2 Multiplication</a></font>
    <dd> <a name="49103"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103410">5.8.3 Supported formats</a></font>
    <dd> <a name="49105"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103448">5.8.4 Q15 in 16 bits</a></font>
    <dd> <a name="49107"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103527">5.8.5 Q15 in an oversized field</a></font>
    <dd> <a name="49109"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="multacc9.htm#1103634">5.8.6 Q31 format</a></font>
  </dl>
</dl>
<h2>
  <a name="49111"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except.htm#1102566">6 Exceptions</a></font>
</h2>
<dl>
  <dd> <a name="49113"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except2.htm#1102122">6.1 Exception levels</a></font>
  <dd> <a name="49115"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except3.htm#1102222">6.2 Exception vector table</a></font>
  <dd> <a name="49117"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except4.htm#1102249">6.3 Exception control block and the saved state</a></font>
  <dd> <a name="49119"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except5.htm#1102319">6.4 Initial exception handler state</a></font>
  <dd> <a name="49121"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except6.htm#1102406">6.5 Restrictions on exception handlers</a></font>
  <dd> <a name="49123"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except7.htm#1102411">6.6 Interrupts</a></font>
  <dd> <a name="49125"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except8.htm#1102417">6.7 Traps</a></font>
  <dd> <a name="49127"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except9.htm#1102426">6.8 Setting up the exception handler</a></font>
  <dl>
    <dd> <a name="49129"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="except9.htm#1102481">6.8.1 Enabling and disabling exceptions</a></font>
  </dl>
</dl>
<h2>
  <a name="49131"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_tsk.htm#1102744">7 Multi-tasking</a></font>
</h2>
<dl>
  <dd> <a name="49133"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts2.htm#1102068">7.1 Processes</a></font>
  <dd> <a name="49135"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts3.htm#1102203">7.2 Descheduled processes</a></font>
  <dd> <a name="49137"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts4.htm#1102288">7.3 Queues</a></font>
  <dd> <a name="49139"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts5.htm#1102409">7.4 Timeslicing</a></font>
  <dd> <a name="49141"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts6.htm#1102424">7.5 Inactive processes</a></font>
  <dd> <a name="49143"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts7.htm#1102441">7.6 Starting a new task</a></font>
  <dl>
    <dd> <a name="49145"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts7.htm#1107005">7.6.1 Effect of becoming idle</a></font>
  </dl>
  <dd> <a name="49147"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts8.htm#1102532">7.7 Initializing multi-tasking</a></font>
  <dl>
    <dd> <a name="49149"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts8.htm#1102533">7.7.1 Initializing the scheduling queue</a></font>
    <dd> <a name="49151"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts8.htm#1102541">7.7.2 Creating and starting a process</a></font>
  </dl>
  <dd> <a name="49153"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_ts9.htm#1102551">7.8 Scheduling kernels</a></font>
  <dd> <a name="49155"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_t10.htm#1102561">7.9 Semaphores</a></font>
  <dl>
    <dd> <a name="49157"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_t10.htm#1102648">7.9.1 Waiting for a resource</a></font>
    <dd> <a name="49159"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_t10.htm#1102653">7.9.2 Freeing a resource</a></font>
  </dl>
  <dd> <a name="49161"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="mult_t11.htm#1102660">7.10 Sleep</a></font>
</dl>
<h2>
  <a name="49163"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_set.htm#1103432">8 Instruction set reference</a></font>
</h2>
<dl>  <dl>
    <dd> <a name="49165"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se2.htm#1102070">adc n</a></font>
    <dd> <a name="49167"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se3.htm#1102086">add</a></font>
    <dd> <a name="49169"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se4.htm#1102100">addc</a></font>
    <dd> <a name="49171"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se5.htm#1102113">ajw n</a></font>
    <dd> <a name="49173"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se6.htm#1102127">and</a></font>
    <dd> <a name="49175"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se7.htm#1102139">arot</a></font>
    <dd> <a name="49177"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se8.htm#1102152">ashr</a></font>
    <dd> <a name="49179"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_se9.htm#1102166">biquad</a></font>
    <dd> <a name="49181"> </a><font  face="Verdana, Arial, Helvetica, sans-serif"><a href="inst_s10.htm#1102180">bitld</a></font>