arch4.htm

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  <a name="1102462"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">3.3 	 Registers</font>
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  <a name="1102463"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">This section introduces the ST20-C1 core registers that are visible to the programmer. Seven registers, known as process state registers, define the local state of the executing process. These registers are preserved through exceptions. One other register is provided for performing input/output, and is not preserved through exceptions. All registers are 32-bit. Each instruction explicitly refers to specific registers, as described in the instruction definitions. </font>
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<p>
  <a name="1102464"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The state of an executing process at any instant is defined by the contents of the machine registers listed in <a href="arch4.htm#1104519"><font  color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Table

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