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<1…20212223242526…34>
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…

    ... clock - naturally this is some zilog ideal world no ram refresh ...
    Roger Jowett Roger Jowett October 2010 Hardware
  • ZX Spectrum+ Problem - Need help -Greetings guys, I bought one ZX Spectrum+. This is what displays on the TV: [IMG]http://d.imagehost.org/0371/17102010_001.jpg[/IMG] When I switch …

    ... > I will hunt a Zilog Z80 chip on evilbay. Does ...
    covenant covenant October 2010 Hardware
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... um0080.pdf (the manual from Zilog). It has an explanation for ...
    Winston Winston October 2010 Sinclair Miscellaneous
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... this information was aimed at Zilog Z80 based systems.

    2) A Zilog Z80 technical reference.
    A ... manual to describe Zilog's Z80 CPU in detail ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... a great deal from the Zilog Z80, Motorola MC68000, Mips R4000 ...
    ASM ASM October 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... x86 share that of the Zilog as the Z80 (1976) instruction ...
    ASM ASM October 2010 Development
  • designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…

    ... internal registers. For example; the Zilog Z80 is an 8/16 ...
    ASM ASM October 2010 Chit chat
  • designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…

    ... at the MOST. I use CMOS 4000 chips. I dont want ...
    Robin Robin October 2010 Chit chat
  • designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…

    ... at the MOST. I use CMOS 4000 chips. I dont want ...
    Winston Winston October 2010 Chit chat
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... 's best to stick to zilog's standard mnemonics rather than ... in z80 assemblers are the zilog mnemonics, the rest are niceties ...
    Alcoholics Anonymous Alcoholics Anonymous November 2010 Development
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... 's best to stick to zilog's standard mnemonics rather than ... what the guys that formed Zilog said to the Intel boss ...
    ASM ASM November 2010 Development
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    [QUOTE=ASM;494884]That's what the guys that formed Zilog said to the Intel boss :D
    [/QUOTE]

    Haha rofl.
    Alcoholics Anonymous Alcoholics Anonymous November 2010 Development
  • 128+ and Divide+ not working togetheri think theres something wrong with my 128 (toastrack), divide+ just wont work on it, corrupted screen on bootup and with big thick black bars rollin…

    ... exchange it with a real Zilog. You can get it still ...
    Speccyman Speccyman December 2010 Hardware
  • Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…

    ... you want to try CMOS parts: 74AC04 (CMOS logic levels) or 74ACT04 ...
    RetroTechie RetroTechie January 2011 Hardware
  • Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…

    ... you want to try CMOS parts: 74AC04 (CMOS logic levels) [/QUOTE]
    netomc netomc January 2011 Hardware
  • new pc, not postingnever had this before.. but the bleep codes are saying there is an issue with the graphics card. it's a gigabyte GA-P67A-UD3 and the gfx card is a …

    ... /> cheers , I'll try the cmos clearing in a bit :) with ...
    fog fog January 2011 Chit chat
  • Z80 Processor Interupt helpHi everyone, Currently designing a Z80 computer and i need a little help with these interupts. If i have an I/O device that sends a pulse to the int…

    You need the proper version of the manual from Zilog:

    [url]http://www.zilog.com/docs/z80/um0080.pdf[/url]

    It'll explain everything.
    Winston Winston January 2011 Hardware
  • Sound card mysteriously vanishesSince a power outage my on board sound card hasn't been showing up in lspci or anything. It's as if it's not there. And I had a look in my BIOS since…

    ... a power outrage, then the cmos could of been reset -check ... your cmos battery is working (you can ... it has forgotten, then the cmos battery will need replacement. These ...
    Hercules Hercules January 2011 Chit chat
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... , a mountain of 74-series CMOS, or an FPGA, it's ...
    Winston Winston February 2011 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ...
    Issue 3
    CPU - Zilog Z80A 8312
    ULA - 6C001E ...
    Jimbob-Squarepants Jimbob-Squarepants February 2011 Sinclair Miscellaneous
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... , a mountain of 74-series CMOS, or an FPGA, it's ...
    Matt_B Matt_B February 2011 Hardware
  • Perhaps my motherboard is dead?I had a thread on here some time ago, about how my sound card and just ceased to be recognised by my linux operating system. Well recently I decided …

    ... do a reset on the CMOS, just to be sure.
    Pilsener Pilsener March 2011 Chit chat
  • Perhaps my motherboard is dead?I had a thread on here some time ago, about how my sound card and just ceased to be recognised by my linux operating system. Well recently I decided …

    ... do a reset on the CMOS, just to be sure.[/QUOTE ... then) and I reset the CMOS, but even then, nothing happened ...
    wilsonsamm wilsonsamm March 2011 Chit chat
  • Zx Spectrum 48k+ black screenHi A friend of mine gave me his 48k+ and when i tried to turn it on I just get a black screen of the TV. I don't have sound of the console. Where c…

    ... need to ensure that the Zilog 80 CPU is a 40pin ...
    Zetr0 Zetr0 March 2011 Hardware
  • Using a Z80 CPU in a 48K Spectrum?Will a Z80 CPU (which I have) work well enough in a 48K Spectrum to give me an indication as to whether the Z80A CPU in there is duff? Thanks for re…

    ... in a Spectrum. I doubt Zilog kept two or more production ...
    Matt_B Matt_B March 2011 Hardware
  • Using a Z80 CPU in a 48K Spectrum?Will a Z80 CPU (which I have) work well enough in a 48K Spectrum to give me an indication as to whether the Z80A CPU in there is duff? Thanks for re…

    ... Z80A-CPU-Z80ACPU-Z8400A-PS-ZILOG-/250781743225?pt=UK_BOI_Electrical_Components_Supplies_ET& ... hash=item3a63c1b879]Z80A ZILOG 3.5Mhz 40pin DIP ? ... /ICZ80Series.shtml]Futurlec: Z84C00-4PE ZILOG 4Mhz $2.90 + Postage ...
    Zetr0 Zetr0 March 2011 Hardware
  • Zx Spectrum 48k+ black screenHi A friend of mine gave me his 48k+ and when i tried to turn it on I just get a black screen of the TV. I don't have sound of the console. Where c…

    ... need to ensure that the Zilog 80 CPU is a 40pin ...
    Trajano Trajano March 2011 Hardware
  • Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…

    ... you pay for, eg from zilog, IAR, rabbit, or used-to ...
    Alcoholics Anonymous Alcoholics Anonymous March 2011 Development
  • Wanted :-Atmel ATmega 16 -16au xilinx xc9536xl 74lv125 all surface mount for a project if not anyone know where i can find them cheap?

    ... /> XC7336 (PLCC)
    36-Macrocell CMOS EPLD (5v)

    XCR3128XL ...
    Zetr0 Zetr0 March 2011 Wanted
<1…20212223242526…34>

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