-
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... come up with a suitable FPGA or CPLD implementation (with some ... controlled master clock and enough FPGA resource for the PLL in ... . This will likely require fewer FPGA resources and less design time ... 't know how full the FPGA is or how much memory ... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... up with a suitable FPGA or CPLD implementation (with ... master clock and enough FPGA resource for the PLL ... will likely require fewer FPGA resources and less design time ... know how full the FPGA is or how much ... />
I know the FPGA is pretty much full and ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... colour bars image) inside the FPGA. This design comply with all ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... (or some pages) into the FPGA memory, so the chip can ... -
Encyclopaedia GalacticaThis is the development thread for Encyclopaedia Galactica, the game upon which I'm currently working, along with a few others. The idea is that the…
... it on my MCC-216 (FPGA). For some reason the game ... -
Encyclopaedia GalacticaThis is the development thread for Encyclopaedia Galactica, the game upon which I'm currently working, along with a few others. The idea is that the…
... it on my MCC-216 (FPGA). For some reason the game ... -
Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …
... 'll probably instead use an FPGA to make a system-on ... -
Hardware RantThis could have gone in general chit-chat, but as it is Spectrum related, and hardware related... I am in the process of doing some research into co…
... not as big as an FPGA, most are 5 volt tolerant ... -
Hardware RantThis could have gone in general chit-chat, but as it is Spectrum related, and hardware related... I am in the process of doing some research into co…
... /> Ok, I could use an FPGA but that's surface mount ... -
Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …
... trick...) the CLKDLL inside the FPGA as it would require a ... -
What Spectrum projects (Software/Games/Utility)(Hardware)(Others) are you working on?So, basically that :) You dont have to give names or more clues if you dont want to ;) Also, if you are working on more than one, you can tell all of…
... level translator for an FPGA, though. The FPGA will be used to ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... ROMCS_OUT signal. Logic inside FPGA detects whether ROMCS is high ... 've learned so far: FPGA's (or at least, ... Spartan 3E FPGA's) are toughter than ... pin was connected to the FPGA, without the limiting resistor. ... worked (i.e. the FPGA hasn't exploded or ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... /> On the robustness of the FPGA, I was reading one of ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... ]On the robustness of the FPGA, I was reading one of ... want to leave the poor FPGA pins nude in front of ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... , as the levels that the FPGA output seem not to be ... space is left in the FPGA to implement more cool things ... AY-3-8912 chip on FPGA and bring 128K sound to ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... signal that comes from the FPGA, after passing through a 270 ... this:
[code]ROMCS from FPGA
-------------\/\/\/\/-----+-----> to pin OE ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... current would flow through the FPGA input/output buffer) so it ... -
Standard for upgrading the original ZX Spectrum[B][U]1. Easily connect external ULA and video RAM.[/U][/B] [url]http://zx.clan.su/forum/8-102-576-16-1352476666[/url] The method consists in blocki…
... have the resources of an FPGA already at your disposal, it ... -
Standard for upgrading the original ZX Spectrum[B][U]1. Easily connect external ULA and video RAM.[/U][/B] [url]http://zx.clan.su/forum/8-102-576-16-1352476666[/url] The method consists in blocki…
... complex ones that have an FPGA somewhere in their design, and ... -
Standard for upgrading the original ZX Spectrum[B][U]1. Easily connect external ULA and video RAM.[/U][/B] [url]http://zx.clan.su/forum/8-102-576-16-1352476666[/url] The method consists in blocki…
... complex ones that have an FPGA somewhere in their design, and ... -
Hoping to build a zx spectrum laptop in futureHi, I'm new here, going to school learning to be a computer tech. I like computers, computer stuff and I'm sort of a laptop fan - have several laptop…
... been created using technology like FPGA - There are already a number ... [/url]), or one of the FPGA models like Speccy2010, ect... Many ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... ]
You can buy FPGA board from..
[url]http ... -gameduino-vga-video-xilinx-Spartan-FPGA-shield-UEXT-/281033510332?pt=UK_BOI_Electrical_Components_Supplies_ET ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... solution would be better (a FPGA, with RAM, ROM and Z80 ... outside the FPGA). You would have a smaller ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... DRAM's, a CPLD or FPGA to replace the ULA. Depending ... on the actual CPLD or FPGA you may be able to ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... /> ZX clone version in one FPGA chip is also similar as ... , ula in one CPLD/small FPGA.
All ZX clones without ... hardware emulators. And difference between FPGA based clone with HW emulation ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... , ula in one CPLD/small FPGA.
All ZX clones without ... hardware emulators. And difference between FPGA based clone with HW emulation ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... not produce anymore.
CPLD/FPGA is the right direction, but ... -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... boot directly to ZX Spectrum. FPGA contain Z80 core, not like ...