Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. The zx spectrum is a home computer 8bit released in the. The ez80 improves on the worldfamous z80 architecture. Never go back to messy handwriting or sticky lab labels again. Shop our great selection of type 6ca4, ez81, 6v4, ez80 vacuum tubes now. This section was just a giant table in the offical documentation, go see it yourself if you need to.
The altairz80 front panel also works with the ez80, and you can do everything a real front panel can do, and in addition, i wrote a dll for zdsii so zds ii can use it in place of the normal zilog usb debug cable. The demonstration programs were written in assembly program using z80 instructions. It even works on 64bit vista, which im not sure zilogs own cable even does. Interrupts can be triggered while this instruction is in progress unless they are disabled using di, of course assuming you are copying hardcoded data and bc is not already set to the desired number of bytes, it is only faster to use hardcoded ldi s instead of ld bc,bytestocopy \ ldir if you are copying two bytes.
I read online somewhere that a 6v4ez80 can be used in place of a 6ca4ez81 tube. Furthermore, the wr signal goes inactive onehalf t state before the address and data bus contents are changed so that the overlap requirements for almost any type of semiconductor memory type is met. Ez80 datasheet, cross reference, circuit and application notes in pdf format. We carry all of the major brands in nos, vintage and new production vacuum tubes. Considering both the increased clock speed and processor efficiency, the processing power of ez80 competes with the performance of 16bit microprocessors. A debugger is useful for seeing what your code does and finding errors.
Suited to the task, at 90 ma maximum current and with a required series resistance of 300 ohms to reduce the initial surge in charging the maximum 50 f reservoir capacitor, each anode would conduct in turn when connected to either end of a grounded centre tapped mains transformer. The jj el34 ii has an increased low to lowmid end with plenty of headroom to spare. Makes it easy to change between tube and solid state rectification. Rectifier tubes rectub5u45ar triode usa tube amp kits. Implementing mixed memory modes on the ez80 cpu application note.
Transfer this onto your calculator using ti connect ce and run it by pressing 2nd catalog and selecting the asmtoken, then pressing prgm and selecting example or whatever you program was called. Commandline utility will download intelhex files to ram or flash and run downloaded code. Our goal is to help you understand what a file with a. Generally, it acquires which code to execute and manages how data moves in and out of the cpu.
Lowmedium current rectifiers valve, good for preamps and low power amplifiers el84 pp etc. Copying three bytes, the cycle times and size of the code are. Gas discharge tube arresters gdt inrush current limiters icl ptc resettable fuses. Programming the z80 is a seminal computer programming text, written by rodnay zaks and first published in 1979 by sybex. Now includes the form filler for free oneoff license fee. This is one of the early formats for dumped zx spectrum programs. Dec 29, 2005 i read online somewhere that a 6v4 ez80 can be used in place of a 6ca4ez81 tube. Make pdf booklets, impose nup pages, combine pdf files, add watermarks, edit forms, add comments, add headers and footers, rearrange pages, security, digital signature, scan, ftp and much more. The zilog ez80 is an 8bit microprocessor from zilog which is essentially an updated version of the companys earlier z80 8bit microprocessor.
Make ez80 mode actually use nonld ez80 instructions. Zilog may have added 64bit support for their cable. Vial labels vial labeling tube labeling vial labeling. The ez80 like the z380 is binary compatible with the z80 and z180, but almost three times as fast as the original z80 chip at the same clock frequency. However, my first computer was a kaypro iv running cpm 2.
Eimac power grid tubes quick reference catalog 175 pdf. The ez80 cpu improves on the worldf amous z80 architecture. Cutepdf convert to pdf for free, free pdf utilities. Tube az 41 or rohre az41 id773, fullwave vacuum rectifier, rimlock base b8a and powersupply shown. Its pretty similar to how it works on the z80, but with memory mode management added in. Like the z80, it features dual bank registers for fast context switching. Tube 6v4 or rohre 6v4 id3722, fullwave vacuum rectifier, noval, b9a and powersupply shown. Guy i have not been able an app note addressing this on the ez80 as well. Like z80, ez80 cpu features dual bank registers for fast context switching. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. For more detailed information, write to magnetron engineering section. Customer evaluation for ez80 6v4 nos rectifier tube. Solid state rectifier direct plugin replacement for 5ar4, 5u4 and 5y3 rectifier tubes in amplifiers with center tapped secondary power transformer.
Z80 cpu peripherals user manual um0081010601 disclaimer ii this publication is subject to replacement by a later edition. Singlecycle instruction fetch, highperformance, pipelined ez80 cpu core referred as the cpu in this document 10100 baset ethernet media access controller with mediaindependent interface mii 256 kb flash memory 16 kb sram 8 kb user and 8 kb ethernet. How to install and use free pdf creater cute pdf writer steven cecil. To determine whether a later edition exists, or to request copies of publications, contact. Available at up to 50 mhz 2004, the performance is comparable to a z80 clocked at 150 mhz if fast memory is used i.
I started reverseengineering the cpld in the smart cable, with hopes of figuring out what pins are connected to the ez80 so i could implement an sd memory interface in it for mass storage. Z80 cpu users manual um0080031202 overview 14 it can be used directly as a rw pulse to virtually any type of semiconductor memory. We do have a lot of examples of spi with the z8encore. The ez80 full wave rectifier was found in many broadcast receivers and domestic audio equipment. It is designed as both an educational text to teach programming techniques of elementary to intermediate level using assembly language, and as a selfcontained reference book. It consists of the instruction fetch block, the mode control block and the op code decoder. The ez80 cpu operates either in z80compatible 64 kb mode or full 24bit 16 mb addressing mode. A different construction of the classic el34 tube that offers a different tonal palette than the original. This tutorial we will introduce you to the ez80 acclaim family and the many applications these devices are used in. Illustrations of program flow were also provided for easy. Just a curiosity question well, two questions, as i am no longer doing anything with z808080 or cpm. How to install and use free pdf creater cute pdf writer. The control block is responsible for handling the overall operation of the cpu.
The jj el34 ii is stronger than the original but not harsh sounding in any way. Jan 12, 2009 in that case, you use the serial port as the console, and the ez80 internal flash as storage. Spasmng is a z80 assembler with extra features to support development for ti calculators. This tube has a more compact plate structure than standard el34s. There are three interrupt modes, set by im 0, im 1, and im 2.
The program listings are provided with instruction hex code. Pair brimar ge label 6v4 ez80 nos nib black plate square getter vacuum tubes. One hickok tested amperex bugle boy 6v4 ez80 rectifier tube made in. There is not that much difference, a few registers and pin differences but the processes are very similar. Tube ez 80 or rohre ez80 id790, fullwave vacuum rectifier, noval, b9a and powersupply shown. Inside the bin folder you should see a file named firstprgm. Students can enter the program by using hex code to the memory and test it directly. It allows to access cpu core registers, to stopcontinue program execution, to set up to 4 breakpoints, to access peripheral registers and all memory. According to the writer of the article so said philips without explanation the series resistor. We strive for 100% accuracy and only publish information about file formats that we have tested and. Ethernet brings more devices into the internet of things the trend over the past 20 years in many industrial and automation systems has been to add increasing digital intelligence to individual nodes to make them more responsive. The tubewriter 360 prints on anything that will fit under the inkjet printhead including the side or top of any tube, vial, histology cassette, microscope slide, cryovial, and more.