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Unformatted text preview: t", s imilar to what y ou s aw in s ec tion "Editing
the c ontrol ROM".
Print rom.tx t
This lab is due on W ednes day , Dec ember 11, in lec ture. Do not forget to write y our name, netid, and dis c us s ion s ec tion number on
the s ubmis s ion. Comments (56) Hide Comments Collaps e All
Qifeng Hu says: Dec 06 For the s ec ond requirement,"negates the c ontents of that regis ter", where s hould we res tore the res ult after the
negation? For the third requirement, "negates the c ontents of that s ame regis ter to res tore it to its original
value",does it mean res toring the negated value to the s ame regis ter? It's s o ambiguous I gues s . Dec 07
W enjia Zhou says: It's a c hec k to mak e s ure y ou have implemented the c orrec t ins truc tion. Suppos e y ou us e R2.
1. Set R2 = 10;
2. Do Negate R2, ex pec t to s ee -10.
3. Do Negate R2 again, ex pec t to s ee 10 again. Qifeng Hu says: Dec 07 OK. Got it! Dec 06 Zachary Rice says: I'm not finding the 'CARout' or 'RF/ram' in the lis t of objec ts to s elec t for my waveworm. Any ideas ?
EDIT: Nevermind, found them Sanchita Agraw al says: Dec 07 I'm having the s ame is s ue...am I blind? or overlook ing s omething really obvious ?
EDIT: Jus t ignore this c omment. I figured it out!! Miller W esselhoff says: Dec 09 for thos e s till wondering, the lab later ex plains ,
Add the "Clk " s ignal to y our waveform
Selec t the CPU c omponent in the W ork s pac e window to populate the s ignals window with
the s ignals that are part of the CPU.
Loc ate the "Clk " s ignal in the s ignals window and add it to y our waveform.
Add the "CARout" s ignal to y our waveform
Selec t the c ontrol c omponent in the W ork s pac e window to populate the s ignals window with
the s ignals that are part of the c ontrol unit.
Loc ate the CARout s ignal and add it to y our waveform.
Add the "ram" s ignal from the regis ter file to y our waveform
Ex pand the datapath c omponent...
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- Fall '14