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- <HEAD>
- <META NAME="Generator" CONTENT="Corel WordPerfect 8">
- <TITLE>CPU Registers</TITLE>
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- <H1>CPU Registers</H1>
- <P><img src="cpu.gif" width="148" height="214" align=right ></P>
- <P>The CPU registers, including the Condition Code Register, can be changed at any time
- the simulation is not running. Register D, which is A and B concatenated, is displayed
- but can only be altered by changing registers A or B. Changing the PC value and
- pressing the Enter key while in that field will cause the CPU instruction queue to be
- updated immediately, changing the displayed next instruction, and changing the
- processor mode from WAITING or STOPPED to RUNNING.</P>
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