Difference between revisions of "CSC103 Basic Instructions"

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(→‎Basic Instructions for the Pocessor Simulator)
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=Basic Instructions for the Pocessor [http://maven.smith.edu/~thiebaut/classes/103/applets.htm Simulator]=
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=Annotated Simulator=
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[[Image:CSC103_Annotated_Simulator.png]]
  
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<code><pre>
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=Basic Instructions for the Pocessor=
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ADD  Add to Acc            ADD-C  Add C to Acc
 
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SUB  Sub from Acc          SUB-C  Sub C from Acc
 
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AND  And with Acc          AND-C  And C with Acc
 
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OR    Or with Acc          OR-C    Or  C with Acc
 
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NOT  invert Acc            LOD-C  Load C in Acc
 
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SHL  Shift left Acc        ADD-I  Add-indirect
 
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SHR  Shift right Acc       SUB-I  Sub-indirect
 
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INC  Increment Acc        AND-I  And-indirect
 
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DEC  Decrement Acc        OR-I    Or-indirect
 
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LOD  Load Acc from mem       LOD-I  Load indirect
 
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HLT  Stop!              STO-I  Store indirect
 
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JMP  Jmp to address        JMP-I  Jmp indirect
 
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JMZ  Jmp if Acc=0          JMZ-I  Jmp zero indirect
 
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JMN  Jmp if negative       JMN-I  Jmp negative indirect
 
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JMF  Jmp on flag            JMF-I  Jmp flag indirect
 
  
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</pre></code>
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Note "-C" means ''Constant''
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ADD&nbsp;&nbsp;&nbsp;Add&nbsp;to&nbsp;Acc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ADD-C&nbsp;&nbsp;&nbsp;Add&nbsp;C&nbsp;to&nbsp;Acc
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SUB&nbsp;&nbsp;&nbsp;Sub&nbsp;from&nbsp;Acc&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SUB-C&nbsp;&nbsp;&nbsp;Sub&nbsp;C&nbsp;from&nbsp;Acc
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AND&nbsp;&nbsp;&nbsp;And&nbsp;with&nbsp;Acc&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND-C&nbsp;&nbsp;&nbsp;And&nbsp;C&nbsp;with&nbsp;Acc
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OR&nbsp;&nbsp;&nbsp;&nbsp;Or&nbsp;with&nbsp;Acc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OR-C&nbsp;&nbsp;&nbsp;&nbsp;Or&nbsp;&nbsp;C&nbsp;with&nbsp;Acc
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NOT&nbsp;&nbsp;&nbsp;invert&nbsp;Acc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LOD-C&nbsp;&nbsp;&nbsp;Load&nbsp;C&nbsp;in Acc
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SHL&nbsp;&nbsp;&nbsp;Shift&nbsp;left&nbsp;Acc&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ADD-I&nbsp;&nbsp;&nbsp;Add-indirect
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SHR&nbsp;&nbsp;&nbsp;Shift&nbsp;right&nbsp;Acc&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SUB-I&nbsp;&nbsp;&nbsp;Sub-indirect
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INC&nbsp;&nbsp;&nbsp;Increment&nbsp;Acc&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND-I&nbsp;&nbsp;&nbsp;And-indirect
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DEC&nbsp;&nbsp;&nbsp;Decrement&nbsp;Acc&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OR-I&nbsp;&nbsp;&nbsp;&nbsp;Or-indirect
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LOD&nbsp;&nbsp;&nbsp;Load&nbsp;Acc&nbsp;from&nbsp;mem&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LOD-I&nbsp;&nbsp;&nbsp;Load&nbsp;indirect
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HLT&nbsp;&nbsp;&nbsp;Stop!&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STO-I&nbsp;&nbsp;&nbsp;Store&nbsp;indirect
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JMP&nbsp;&nbsp;&nbsp;Jmp&nbsp;to&nbsp;address&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;JMP-I&nbsp;&nbsp;&nbsp;Jmp&nbsp;indirect
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JMZ&nbsp;&nbsp;&nbsp;Jmp&nbsp;if&nbsp;Acc=0&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;JMZ-I&nbsp;&nbsp;&nbsp;Jmp&nbsp;zero&nbsp;indirect
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JMN&nbsp;&nbsp;&nbsp;Jmp&nbsp;if&nbsp;negative&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;JMN-I&nbsp;&nbsp;&nbsp;Jmp&nbsp;negative&nbsp;indirect
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JMF&nbsp;&nbsp;&nbsp;Jmp&nbsp;on&nbsp;flag&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;JMF-I&nbsp;&nbsp;&nbsp;Jmp&nbsp;flag&nbsp;indirect
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Store&nbsp;Acc&nbsp;in&nbsp;mem
 +
 
 +
<br />
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[[Category:CSC103]]

Latest revision as of 06:48, 17 September 2013

Annotated Simulator

CSC103 Annotated Simulator.png

Basic Instructions for the Pocessor

Note "-C" means Constant 

ADD   Add to Acc      	      ADD-C   Add C to Acc
SUB   Sub from Acc    	      SUB-C   Sub C from Acc
AND   And with Acc    	      AND-C   And C with Acc
OR    Or with Acc     	      OR-C    Or  C with Acc
NOT   invert Acc      	      LOD-C   Load C in	Acc
SHL   Shift left Acc  	      ADD-I   Add-indirect
SHR   Shift right Acc 	      SUB-I   Sub-indirect
INC   Increment Acc   	      AND-I   And-indirect
DEC   Decrement Acc   	      OR-I    Or-indirect
LOD   Load Acc from mem      LOD-I   Load indirect
HLT   Stop!   	      	       STO-I   Store indirect
JMP   Jmp to address  	      JMP-I   Jmp indirect
JMZ   Jmp if Acc=0    	      JMZ-I   Jmp zero indirect
JMN   Jmp if negative 	      JMN-I   Jmp negative indirect
JMF   Jmp on flag            JMF-I   Jmp flag indirect
                             STO     Store Acc in mem


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