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The CAPC Project

The CAPC Project. Tech3 Development April 12, 2002. Introduction. What is CAPC? A processor that can perform 15 machine instructions Development tool – Logic Works Design schedule Component integration. The Initial Clock. “Heart of the system” 8-signal clock

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The CAPC Project

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  1. The CAPC Project Tech3 DevelopmentApril 12, 2002

  2. Introduction What is CAPC? A processor that can perform 15 machine instructions Development tool – Logic Works Design schedule Component integration

  3. The Initial Clock “Heart of the system” 8-signal clock Fetch cycle / Execute cycle

  4. Registers 12-bit registers – PC, MAR 16-bit registers – MBR, G, KB, X, Y 4-bit register – IR

  5. Data Bus & RAM • Data transferred along 16-bit data bus • Original design – Lab 3 – Write to MBR • Second design – Write to RAM Directly

  6. Read Only Memory (PROM) • Storing program in PROM • Updated RAM / PROM hybrid • PROM is 1/16k • RAM is 4k, but first 1/16k is redundant • 000000000000 – 000000111111  PROM • >= 000001 000000  RAM

  7. Arithmetic Logic Unit • 6 operations • SEND_NOT, SEND_2X, SEND_ADD, SEND_OR, SEND_XOR, SEND_AND • X and Y data input registers; no Z register

  8. Keyboard • A hexadecimal keyboard that utilizes two registers to send data

  9. Integrating Components • Machine Instructions – what “And gate” and “OR gate” can do

  10. Control Unit • Three Revolutions • Is lab8’s control unit producing correct signals all the time? • Can we restart the clock? • How do we prevent the slight chance of faulty signal?

  11. CAPC-SP • What does SP stand for? • Self-Present version of CAPC • Introducing the following devices • Hex-ASCII translator • Machine-Assemble translator • Device monitor The first two are simply PROMs and the last one is the combination of PROM and encoder.

  12. Conclusion • Tech3 develops extreme CAPC • Can perform super computations • “Einstein” class system • Visit the Tech3 site for details • http://www.wadanet.com/tech3

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