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Overview of the CAPC Project and Its Development in April 2002

The CAPC Project, initiated on April 12, 2002, introduces a processor capable of executing 15 machine instructions. It features a development tool from Logic Works that integrates essential components such as an 8-signal clock and various registers (12-bit and 16-bit) for different operations. The system architecture includes a RAM and PROM hybrid for program storage, as well as an Arithmetic Logic Unit with six operations. The project aims to achieve robust machine instructions while ensuring the integrity of signals. Visit Tech3 for more information on this advanced system.

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Overview of the CAPC Project and Its Development in April 2002

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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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