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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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MICROPROCESSOR sa MICROCONTROLLER xx COMPUTER xx DIGITAL ELECTRONICS xx MICROCONTROLLER Microprocessor update: the F8 system. Microprocessor update. The 8008 CPU chip. A review of how computer interrupts work on various processors (8080, 6800 and 6502) and some of their uses. Beware of compromising the stack pointer when bringing in interrupts on the NMI interrupt. How to choose a microprocessor. A review of available microprocessors, their primary manufacturers and the differences between major microprocessors in use today. Souping up your SwTCP 6800. Processor clock speed modifier allows you to move up to a 2MHz crystal oscillator. A microprocessor for the revolution: The 6809. Part 1. Design philosophy. The successor of the 6800 described by its designers. A microprocessor for the revolution: The 6809. Part 2. Instruction set for the 6809. A microprocessor for the revolution: The 6809. Part 3. Final thoughts. Preview of Zilog's Z-8000 16 bit single chip processor. Stacks in microprocessors. A primer. A preview of the Motorola 68000 16-bit processor. Indirect addressing for the 6502 microprocessor. Z80 user-stack emulation program uses restart instruction. Ease into 16-bit computing. Get 16-bit performance from an 8-bit computer by using the Intel 8088 microprocessor. Operation codes of the 8080, 8085, and Z80 processors. Ease into 16-bit computing. Part 2. Examining a small multi-user system. An 8088 processor for the S-100 bus. Part 1. Basic design considerations. An 8088 processor for the S-100 bus. Part 2. Techniques for interfacing to the S-100 bus. The 6502 gets microprogramable instructions. A simple circuit and some clever programming enhance the instruction set. An 8088 processor for the S-100 bus. Part 3. The monitor program (MON88). Instruction set summary for National Semiconductor's SC/MP processor. Circuit to force a Z80 microprocessor to begin execution at hex address F000 instead of 0000, or any other address you select. Modifying the SwTPC computer to accept either the 6800 or 6809 processor board. Addition and subtraction. How the binary arithmetic operation of the 1802 and Z80 microprocessors differ. Software addressing modes for the Intel 8080 microprocessor. Understanding computer interrupts. Clocked interrupts for the COSMAC Elf. Hardware and software provide video-display and variable-period interrupts. Z80 starting address. Circuit is used to force the Z80 starting address to any of 256 memory pages depending upon the setting of an 8-bit DIP switch. Summary of the instruction set for the National Semiconductor INS8070 series processor. How the Motorola MC68701 programs itself and discussion of the hardware and software design for a fully tested programmer. The Intel 8051 one-chip microcomputer. A detailed look at its features. The 65816 microprocessor. Part 1. Software. An 8-/16-bit successor to the 6502. The 65816 microprocessor. Part 2. Hardware. System design considerations. The MC68020 32-bit microprocessor. Includes on-board cache and virtual memory. The 80286 microprocessor. A close look at Intel's 32-bit iAPX 286 chip. Cyber HC5 is used with your PC computer to form a microcontroller development system. Use it to directly program and evaluate your own microprocessor designs. Est. cost: $90. Integrated circuit timing diagrams. How to use these informative aids in designing and troubleshooting computer circuits. Using 80x86 microprocessors in controller projects. Hardware differences, software differences, and using a PC motherboard. Guide to classic eight-bit microprocessors. A comparison of features and a reference to device pinouts for testing and troubleshooting. Devices described are the Intel 8085, Zilog Z80, Rockwell 6502, and Harris CDP 1802. Guide to the 80x86 family of microprocessors. A comparison of features and a reference to device pinouts for testing and troubleshooting. Part 1. The Intel 8086/8 and 80186/8. A simple Intel BASIC-52 extractor. Copies an internal 8052AH-BASIC interpreter into EPROM for use with inexpensive 8032 and 8052 microprocessors. Guide to the 80x86 family of microprocessors. A comparison of features and a reference to device pinouts for testing and troubleshooting. Part 2. The 80286 and 80386DX/SX. Build a Z8 BASIC low-cost eight-chip computer/controller. Features 32K RAM, Tiny BASIC interpreter, RS-232 port, parallel I/O port, and no EPROMS to program. Est. cost: $80. Guide to the 80x86 family of microprocessors. A comparison of features and a reference to device pinouts for testing and troubleshooting. Part 3. The 80486DX/SX and the Pentium. The 68000 microprocessor. What makes this powerful 16-bit CPU tick? PIC microprocessor fundamentals (architecture, instruction set, etc.) Design of a general-purpose, microprocessor-based controller circuit with software configurable I/O. Part 1. Introduction to the 8088 microprocessor. Microprocessors, their number systems and codes. Part 1. Microprocessors, their number systems and codes. Part 2. What goes on inside a computer CPU is briefly explained. Digital fundamentals. Part 8. Introduction to microprocessors. Motorola's latest microprocessor, the MC6802. 8080, Z-80 or 8085. A look at the relative merits of three Intel chips. Build a one-chip single stepper for 6502 based systems. An explanation of the computer WAIT STATE. How the wait state affects computer memory. Kilobaud Klassroom #18. Processor connections. An examination of the wiring connections made to a microprocessor IC. Tip: Use the S0 input pin on a 6502 microprocessor to institute an interrupt whenever the NMI and IRQ interrupt methods are already in use. The 6502 and its little brothers. Features found in other members of the 65XX microprocessor family are reviewed. Includes 6512, 6503, 6513, 6504, 6514, 6505, 6515, and 6506. The best of both worlds. Essential information on using and expanding the Heath ET-3400 microprocessor trainer. TRS-80 speed-up. Add a switch to a circuit board and increase the internal clock speed from 1.77 MHz to 2.66 MHz for a speed gain of 25%. Introduction to the TMS-9900. A look at the capabilities of the 16-bit 9900 family from Texas Instruments. Thoughts on the SWTP computer system. Part 8. The new 6809 microprocessor. A comparison of the most popular microprocessors using benchmark programs written in assembly language. Compares the following: 370-145, LSI-11, 9900, Z80, 6502, 6800, 8080, 6100, 1802, and SC/MP. Instruction sets examined and compared. Compares the 8080, Z-80, 6800, 6502, and 2650. Part 1. Instruction sets examined and compared. Part 2. A look at on-chip and off-chip registers. The 16-bit super processors are here. Looks at 8086, Z8000, and MC68000. Electronic switch will change the clock frequency on a TRS-80 computer and cause it to run 50% faster. Estimated cost: $7. The Intel 8085 microprocessor has 10 unused op codes. This article describes what those unused op codes actually will do. 16-bit time trials. Assembly-language benchmarks test the new generation of 16-bit microprocessors. Article includes the programs for 8086 and 6809. Programs available for 68000 and Z8000. This is an update of the March 1980 article. The 6809 microprocessor design: A chip versatile enough for use in controllers or complete disk-based business systems. Clock fix for the Ithaca Intersystems Z-80 boards and all other boards that use the 8224 clock generator. Undocumented Z-80 instructions revealed. A complete description of the Z-80 instruction set and machine code. Microprocessor control with BASIC. A development system for microprocessor-controlled projects. Part 1. Using the Intel 8052AH-BASIC microcontroller to write, run and save programs. Microprocessor control with BASIC. Part 2. Adding a "Tempwatch" accessory to create a smart thermometer. Microcomputer on a chip. Motorola's MC68701 microcomputer on a chip offers a wide variety of features that make it ideal for experimenter projects. An MC68701 microcomputer chip programmer. A computer-controlled device for programming the Motorola MC68701 to customize it for your application. Three circuits for simple and inexpensive clock generators designed specifically for use with the Signetics 2650 Microprocessor. Microprocessor minicourse. Part 1. Number systems used by microprocessors. Microprocessor minicourse. Part 2. Basic digital logic. Microprocessor minicourse. Part 3. Memories, bus oriented logic, and microprocessor organization. Microprocessor minicourse. Part 4. PIP-2. An ultra-simple educational microprocessor. 4-bit machine illustrates some of the more important operating features of microprocessors. Microprocessor minicourse. Part 5. The control section of the PIP-2 microprocessor. Microprocessor applications for the 1980's. Part 1. Use of inexpensive microcomputers in custom applications. Microprocessor applications for the 1980's. Part 2. The use of I/O ports, how the processor interfaces to peripherals (such as memory), and the construction of an 1802-based microprocessor product development system. Designing with the 8080 microprocessor. Part 1. The basic system. Designing with the 8080 microprocessor. Part 2. The CPU module. Designing with the 8080 microprocessor. Part 3. Software. CPU instructions are defined with details on preparing a program. Designing with the 8080 microprocessor. Part 4. A typical program. Sample program converts Morse code to ASCII code. Designing with the 8080 microprocessor. Part 5. Morse code hardware interface. Designing with the 8080 microprocessor. Part 6. Conclusion. Programming the CPU module's ROM to operate the morse code receiver interface. Buying your first computer. Choosing a CPU. 8088, 80286, 80386, and 80386SX options compared. All about microprocessors. Exploring these powerful chips in an informative, but intuitive, style. Part 1. All about microprocessors. Part 2. Stacks. What they are and how they're used. Both LIFO and FIFO stacks are discussed. A basic discussion of computer interrupts. Computer interrupts with emphasis on the hardware and software associated with the vector interrupt. Z-80. Part 1. An in-depth look at the Z-80 and how it differs from the 8080. Z-80. Part 2. Z-80. A close look at the three different interrupts available in the Z-80. Z-80. How to interface the Z-80 to other devices and the associated timing. An in-depth look at the widely used 6502 microprocessor. An overall look at the hardware and software aspects of the 6800 microprocessor. A look at Intel's 8085 microprocessor and the MCS-48 microprocessor family. A look at the 8085 and how it compares to the 8080. How to design microprocessor-based projects. Part 1. An introduction to the microinterpreter (a microprocessor with a built-in high-level language). How to design microprocessor-based projects. Part 2. The language of the 8073 microinterpreter (National Semiconductor's Tiny BASIC). Includes an application circuit called "burglar outwitter" to control three lights in a sequential fashion to simulate the movement of a person during the evening hours. Designing microprocessor-based circuits. Comparison between the Z80 and the 6502 microprocessors. Designing microprocessor-based circuits. Control signals of the Z80 microprocessor. Designing microprocessor-based circuits. The world's simplest Z80 system. Part 1. Designing microprocessor-based circuits. The world's simplest Z80 system. Part 2. Instruction set. Designing microprocessor-based circuits. The world's simplest Z80 system. Part 3. Z80 demo program. Designing microprocessor-based circuits. The world's simplest Z80 system. Part 4. Z80 demo program (continued). Soup-up your 8086-based computer by installing an improved version of the 8086 microprocessor. Some tips. What happens to the registers when a Z80-based computer is reset. Inside Intel's 80386 microprocessor family. Part 1. Basic features and comparison with previous CPU's (8088/86 and 80286) Inside Intel's 80386 microprocessor family. Part 2. Multi-tasking operating systems. Inside Intel's 80386 microprocessor family. Part 3. Buses, bus timing, and peripheral devices. 68705 microcontroller. Part 1. Building a low-cost EPROM programmer for this single-chip Motorola microcontroller. Also looks at its architecture, registers, and programming considerations. 68705 microcontroller. Part 2. Build a programmable alarm clock. Control circuitry. Beginning a discussion on designing and building electronic controllers incorporating the 80XXX family of microprocessors. Part 1. Microprocessor I/O involving latches. Control circuitry. Part 2. Latches (continued) and DTMF tone generators. Control circuitry. Part 3. DTMF tone generator operates under keyboard or program control Microprocessor development system. Build this intelligent 1802 microprocessor development system. Est. cost: $200. Part 1. Theory of operation. Microprocessor development system. Part 2. Construction and operation. | |||||||||
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