ELECTRONICS TROUBLESHOOTING

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Basic Computer

Directions: Step through the program already prewritten below (First  "Burn Prom" and "Load RAM") . It will  demonstrate how this programmers model of a simple computer works. Next, type in your own program ( starting at address zero) over the existing program. Burn Prom and then load RAM with data you wish to operate on. 

See or make copy of Instruction Set and SPECIFICATIONS.
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 Computer Troubleshooting - Click Here to Insert Faults!         See Schematic 

   (View Bottom of page before starting)

Control Processor Unit (CPU)

Register A        Carry       
Register B        A>B       Program Counter
Accumulator    A=B       Instruction Register
                                    A<B
  Data Bus  Address Bus  
--------------------PROM(8X64)----------------RAM(8X16)---------
00      16       32      48      64
01      17       33      49      65
02      18       34      50      66
03      19       35      51      67
04      20       36      52      68
05      21       37      53      69
06      22       38      54      70
07      23       39      55      71
08      24       40      56      72
09      25       41      57      73
10      26       42      58      74
11      27       43      59      75
12      28       44      60      76
13      29       45      61      77
14      30       46      62      78
15      31       47      63      79

                      

  

 

 

Fun Physics Simulations

 

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