6526 cia fpga. This subreddit is open once again for discussion.
6526 cia fpga A subreddit dedicated to gaming hardware, clone consoles, flashcarts, and other accessories based on field-programmable gate array (FPGA) technology. 6526 and VIC is where it gets complicated. There's definitely not a I’m looking for a replacement 6526 (CIA) chip. Likes Received plazma Trollie Wallie Posts: 396 Joined: Sun Jul 07, 2013 12:14 pm Location: Oulu, Finland Age: 46 The reDIP CIA FPGA replacement board boasts the capability to emulate a range of CIA chips, including: CIA 6526: A crucial component in Commodore systems, responsible for handling input/output, The reDIP CIA reDIP CIA MOS 6520 PIA / MOS 6522 VIA / MOS 6526/8520/8521 CIA FPGA replacement. " This project was started in 2018 and a like every other retro project of this nature, the post pandemic chip shortage put the breaks on until now. Just might want to know: MiSTer Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. au_chadl wrote: For a CIA is should be FPGA-based clones. Contribute to jhughes1010/6526cia development by creating an account on GitHub. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 305 Joined: Thu Aug 07, 2014 6:52 pm. Gallen Schweiz +41 71 244 45 20 I have used the AMIGA 8520 CIA as a Direct Replacement in Commodore 64 Machines for years, with No Issues. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 310 Joined: Thu Aug 07, 2014 6:52 pm. Post by Chris23235 » Thu Jan 03, 2019 9:20 pm. xIA is coming Q1 23 (affected by shortages) from CBMStuff. The CIA was developed from the Semiconductor manufacturer MOS Technology, which was taken over in 1976 by Commodore. sim/ sim_1. RCT Pro – New firmware v. Later versions were produced in cheaper plastic package. J-CIA 64 has been developed by Jani – FPGA based replacement for MOS 6526 & 8521 CIA chips. FPGA based replacement for MOS 6526 & 8521 CIA chips; Complete FPGA-based clones. When I load software it uses the real CIA's. Sign in Product Actions. Serial interface port for changing settings and updating User Control Panel; Logout User Control Panel; Logout 20K subscribers in the c64 community. Now the J-CIA is tested with different hardware and software. MiST. Complete logic and all features of the FPGA based replacement for MOS 6526 & 8521 CIA chips; Complete logic and all features of the original IC's implemented; All diagnostic & software tests passed 100%, FPGA based replacement for MOS 6526 & 8521 CIA chips Complete logic and all features of the original IC’s implemented All diagnostic & software tests passed 100%, J-CIA 64 is a modern replacement for the aging 6526 CIA chip for the Commodore 64, Commodore 128, SX-64 and 1570/1571 drives. Welcome to the Community for everything and anything relating to the Commodore 64! Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. I/O port for OLED screen (for programming and status) or any I2C device in the future. CIA MOS 6526A in plastic package MOS 8520A in an Amiga 1000. With interrupts fully implemented within our CIA module, we are one step closer to integrate our tape module to our C64 module. For the Char ROM you can even use a correctly programmed 2532 EPROM as drop FPGA based replacement for MOS 6526 & 8521 CIA chips Complete logic and all features of the original IC's implemented All diagnostic & software tests passed 100%, including all tests in Wolfgang Lorenz's test suite and Vice-project's CIA-tests. FPGA, MCU and tagged 6502, User Control Panel; Logout The online community for MiSTer FPGA enthusiasts. 26 released. I'd be interested to know exactly how compatible it is. Amiga compatible version will be released later. Inside the C64 there are two FPGA-based clones. net/j-cia/ J-CPU64 has been developed by Jani – FPGA based replacement for MOS 6510 CPU. Find More – J-CIA 64. User Control Panel; Logout Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. FPGA based replacement for MOS 6526 & 8521 CIA chips; Complete logic and all features of the original IC's implemented; All diagnostic & software tests passed 100%, including all tests in Wolfgang Lorenz's test suite and Vice J-CIA 64 Commodore 64 and 128 (C64 / C128) MOS 6526 CIA Replacement. There are many projects and such I have on back burns that I eventually want to catch up on, but naturally, when i do want to, something that I use frequently and is of gre J-CIA is a FPGA replacement for the MOS 6526 & 8521 CIA chips in Commodore computers. HarborSeal Posts: 54 Joined: Sun Jul 12, 2020 6:54 am Has thanked: 42 times Ein Demonstrator für den im 6502. Commodore 64 core for the MEGA65 based on the MiSTer FPGA C64 core - MJoergen/C64MEGA65. Designs for the iCE5LP1K FPGA can be processed This 6526/8521 version has been tested to work on a 1581 drive too by a betatester, but full compatibility cannot be guaranteed. But it wasn't tried with real chips, just with FPGA replicas only (however the 6526 model is a very accurate replica). But first, the details. FPGA-based clones. Commodore 16, 64, 128, VIC-20, PET. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 309 Joined: Thu Aug 07, 2014 6:52 pm. J-CIA is real, but has been MIA for like 3 years. He talks about improved compability: https User Control Panel; Logout Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. net/j-cia/ Very interesting brand new MOS 6526 / 8521 / (8520) FPGA replacement part that has hit the scene, with a few caveats worth keeping in mind. Hat es etwas auf sich, dass der CIA Baustein 6526 nicht mit anderen Chips (FPGA etc. It served as an I/O port controller for the 6502 family of microprocessors Re: CIA Question for FPGA Experts « Reply #7 on: November 28, 2007, 06:46:45 PM » Well, even the C64 had two CIAs, (older) 6526 (same with C128). Fepo; Apr 18th 2020; Hardware; C64 kann kein Directory lesen! Tishima; Mar 6th 2023; repair corner; Machbarkeitsfrage: Drop-In-Ersatz für 6510 auf FPGA-Basis? The Ultimate 64 re-implements all of the C-64 logic and chips onto an FPGA while providing sockets for one or two SID chips for more accurate sound than is possible to implement via FPGA. He talks about improved compability: https The online community for MiSTer FPGA enthusiasts. This is a “complex” peripheral interface adapter chip for 6502 processor or 68K chipset. Sobald "MockA65xx" Serienstand erreicht hat, geben wir hier Vollgas! Einen alten FPGA zu nehmen ist keine Option: Dann verschiebe ich das Beschaffungsproblem ja nur. )ersetzt werden kann?So einen SID I know there is a guy working on a FPGA solution, J-CIA, I don't have any experience with FPGA, but it kind of looks like that project is on standby? I haven't seen any updates on it recently anyway. The 8580 is huge, 2 instances didn't fit in the FPGA. He talks about improved compability: https 65C22 instead of 6526 CIA, I've got conflicting information on whether it'll work or not but it's a starting point. HarborSeal Posts: 25 Joined: Sun Jul 12, 2020 6:54 am Has thanked: 21 times FPGA-based clones. Joined: Apr 16th 2008. Why has no-one done it yet? Is there some undocumented SNAFU that complicate the matter? The 6526 is in the C64, C128 and 1570/1571 disk CIA 6526/8521/8520 differences. I have a 500 that has a dead CIA. FPGA based, The reDIP CIA provides an open source hardware platform for MOS 6520 PIA / MOS 6522 VIA / MOS 6526/8520/8521 CIA replacements. net/j-cia/ Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. When you switch to 6526 CIA the music works properly. net/j-cia/ There are quite expensive obsolete chip from various Commodore computers and peripherals- CIA/PIA MOS 6526 and a bit changed 8520 used in Amiga computers. Crisp; Jul 28th 2020; Thread ignore; Den CIA mit einem FPGA zu realisieren ist ein dickes Brett. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 330 Joined: Thu Aug 07, 2014 6:52 pm. The package was a JEDEC-standard 40-pin ceramic or plastic DIP. We're specifically talking about the configuration CPLD that launches the 1k30 FPGA after a cold-start. Top. Your IP address and user-agent are shared with Google along with performance and security metrics to ensure quality of service, generate usage statistics, and to detect and address abuse. CIA 6526. org Forum diskutierten diskret aufgebauten 6526: Das Ziel dieses Projekts ist nicht die Erschaffung eines FPGA-Ersatzes, sondern der diskrete Nachbau. Rayne released his new implementation of the 6526 chip. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 313 Joined: Thu Aug 07, 2014 6:52 pm. Regardless, it's mere existence and multiple emulation modes should pressure off the J-CIA - CIA 6526/8521 Ersatz. The 6526 can also be found in other hardware, such as the 1571 FPGA-based clones. New 6526 (CIA) Implementation for the C64 core. and it waits forever). He talks about improved compability: https J-CIA - CIA 6526/8521 Ersatz. J-CIA / FPGA CIA (6526 / 8521) J-VIC / FPGA VIC-II (6569 / 8565) J-CPU / FPGA CPU (6510 / 8500) "J-Chips" featured on Retro Recipes video: It's Real: A Brand New 1980s Commodore 64 Clone in 2023! Testing videos on youtube 15. He talks about improved compability: https FPGA-based clones. Looking at the pinout the CIA-pins are quite straight forward to figure out. You also will probably get more interest and more sales as those are known to fail very frequently while no replacements are available. Lately I have been doing for 8-bit computing, mainly with the C64 and SX-64 that I MOS 6526 CIA Replacement J-CIA 64; MOS 6510 Replacement J-CPU64; Power Supply – PSU; Commodore 64 Diagnostic Cartridge; J-CPU64 has been developed by Jani – FPGA based replacement for MOS 6510 CPU J-CIA 64 has Read more. 8520s even work in C64s, they're just faster and have additional timer(s). Napisal/-a Neozemljen » 18. 4 prispevkov • Stran 1 od 1. Contribute to daglem/reDIP-64 development by creating an account on GitHub. The 6526/8520 Complex Interface Adapter (CIA) was an integrated circuit made by MOS Technology. Go! Go I don't know much about FPGAs but it would be nice to have a single FPGA or CPLD that replaces both CIAs in one shot. 2 x 6526 CIA; Cartridge port signals; Menu / freeze button; Then, if one wishes to replace the VIC-II, the SID, or a CIA chip, the custom chip is removed, and wires are run from the reDIP 64 to the corresponding socket pins Ich hoffe ich bin hier richtig. Skip to content. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 304 Joined: Thu Aug 07, 2014 6:52 pm. Currently we know for sure of one demo where this is Hello all! It's been awhile since perhaps I have posted anything interesting. I'd guess fairly high but not perfect. com. An overview of Interrupts on the CIA The easiest way to understand how interrupts work on the CIA, is just to look at the datasheet of a CIA 6526. I wonder if anybody tried the 6526 complex interface adapter FPGA. Crisp; Jul 28th 2020; FPGA-Chip-Replacements; C64 CIA Nachbau?-micky; Jan 1st 2021; repair corner; Ersatz für CIA 6526. Apr 2024 16:33 . New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 323 Joined: Thu Aug 07, 2014 6:52 pm. Post by DanyPPC » Fri Feb 01, 2019 9:16 am. This subreddit is open once again for discussion. Post by slingshot » Tue Feb 05, 2019 12:19 pm. He talks about improved compability: https CIA 6526. Hello all! It's been awhile since perhaps I have posted anything interesting. The CIA (Complex Interface Adapter) is an interface chip used in the Commodore homecomputer. Now it's shrinked a bit again, without sound User Control Panel; Logout Without it the CIA's and SID will show bad as it is trying to test the ports and the CIA's control I/O processes and the SID plays a part because aside from sound it also controls potentiometer reading. Board Index. I have also noticed the MOS 8520 CIA is Half the Price of the MOS 6526, when it comes to Purchasing on sites such as fleabay But please Check the Timings Compatibility, if you intend to use the MOS 8520 in your Commodore 64 Disk Drives. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 335 Joined: Thu Aug 07, 2014 6:52 pm. Hier im Board wird so viel Ersatz für Chips angeboten, die seltener geworden sind. I searched, but still didn't found a comprehensive list about the differences of the models. master. Forum; Translate Posting; Go to Page Bottom; Go to Page Top; Diddl. Navigation Menu Toggle navigation. Probably requires extra circuitry or breaks some of the I/O. Re: New 6526 (CIA) Implementation for the C64 core. 01. Some unnamed idiot fried mine while playing with a userport project!:blush: The prices on eBay are crazy! Do you think that this FPGA based will sell it to you for 10 €? Consider that like all CIA 6526. He talks about improved compability: https The explanation to why autofire is working when in the Turbo Chameleon 64's menu could be because the TC64 probably uses it's FPGA CIA when in the menu. Computer Cores. This might be of interest to those who are hardware orientated. 16 KB) – like on all game consoles from the time. If the the FPGA has enough LEs to support recreating the entire system, and the core configuring the FPGA has been properly written to do so, it becomes that I've read somewhere it is only a combination of 65CE02 processor, two 6526 CIA:s and a 6511 UART. Das was Du siehst ist nur ein Prototyp der ist deshalb so groß, weil User Control Panel; Logout may-31-2009: 6526 CIA and C-One reverse engineering Yes, you've read it right: The makers of the C-One have to reverse-engineer the C-One. Vse kar sliši na ime CPLD, FPGA, VHDL, Verilog, ali pa se HW kako drugače zapiše v čipovje. I'd suppose it's possible to build from these components but it FPGA based, so it functions as a piece of real hardware, identical in capability to the MOS 6526 & 8521 CIA chips that it replaces; Incorporates the complete logic set andallfeatures of the original chips; Pass all known diagnostic & software tests (including all Wolfgang Lorenz's test suite and the Vice-project's CIA-tests;. There are many projects and such I have on back burns that I eventually want to catch up on, but naturally, when i do want to, something that I use frequently and is of great use to me breaks down, an a diversion begins. It served as an I/O port controller for the 6502 Commodore 64 FPGA emulation platform. He talks about improved compability: https The released version ("J-CIA64") is only compatible with 6526/8521 - CIA. (for the Commodore 64, Commodore 128, SX-64 and 1570/1571 drives) Physically very similar to the FPGA based replacement for MOS 6526 & 8521 CIA chips Project started in 2018. NB: Blaues Licht leuchtet blau TVS diode protection on the joystick ports prevents 6526 CIA damage due to static electricity. Xberry Pi : ZX Spectrum Next Clone. User Control Panel; Logout; Bing [Bot] User Control Panel; Logout; Theme options; Sticky header; Bubbles; Wide forum; Search Games. Members Online Still - if I may suggest, the chip that I'd LOVE to see having a reliable replacement is the 6526 CIA. Fuji Shaped Bastard Posts: 2745 Joined: Mon Aug 06, 2018 3:05 pm. net/j-cia/ Description [edit | edit source]. 32MHZ CPU that handles RESET, Kernal ROM switching, OLED screen, LEDs, and monitoring of various lines. Man kann nur hoffen, dass es irgendwann jemandem gelingt. FAQ; Forums. These are mostly FPGA replacements. The FPGA can provide a much greater amount of logic circuitry per $/Euros when compared to a CPLD but There was another project on here a couple years ago remaking the c64 cpu in 74 series logic. Automate any workflow Packages 6526 CIA. He talks about improved compability: https In this post we will be implementing interrupts within our CIA module. ROM and SRAM, well, that's just standard parts with minimal extra logic. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 311 Joined: Thu Aug 07, 2014 6:52 pm. JandM April 27, 2024 April 27, 2024 Retro Chip Tester. So you can use a blended approach, with MOS 6526: CIA I/O controller; There is no ROM on the board, so all code and even the character set has to come from a cartridge (max. 2020-07-31 - 12:15:00 - Week: 31 - Item number: 8295 - Category: Commodore , Hardware Hi all, hoping everybody is alive and kicking, I'm here with a question: is there any modern replacement/adapter for 6520 and 6526? There more or less a workaround for almost any C= chip: the RRIOT 6530 can be replaced with a 6532 [that's still in production by Rockwell, afaik] + eprom + logic glue there's an adapter for use a 6502 instead of 6510/8501/8502 and there This site uses cookies from Google to deliver its services and to analyze traffic. It was 5 years ago and the name of the post was “THIS 6502 MADE FROM 74-SERIES LOGIC CAN RUN AT 20 Commodore 64 core for the MEGA65 based on the MiSTer FPGA C64 core - MJoergen/C64MEGA65. The 8520 CIA, with its modified time-of-day clock, was used in the Amiga computers. Reportedly Amiga's 8520 works better in C64. 60 posts Previous; 1; 2; 3; Next; DanyPPC Atari God Posts: 1706 Joined: Tue Feb 21, 2017 7:02 am. User Control Panel; Logout This so-called CIA chip, for Complex Interface Adaptor, contained parallel and serial ports, timers, and a time-of-day counter. Quick links. First prototypes delivered to beta testers in april 2020. It controls most of the I/O processes and contains as well the internal timer (clock). MOS Technology CIA. Jeri lost the source code and only the binary file was left. Find More – J-CPU64. FPGA is also letting us build modern replacements for chips like the 6526 CIA and 6510 CPU last made in 1992. 2023 Re: New 6526 (CIA) Implementation for the C64 core Post by slingshot » Thu Jan 31, 2019 10:21 am This guy plays on a synth, which is the creation of the SID's father (he told this synth's chip is what he wanted the SID become originally): Pin configuration of the 6526 CIA Early 6526 CIA were still in costly ceramic package with gold contacts. 6526 ("alter" CIA; NMOS) 8520 (Amiga CIA) 8521 ("neuer" CIA HMOS-II; meistens als 6526(A) gestempelt). net/j-cia/ The CIA was available in 1 MHz (6526), 2 MHz (6526A) and 3 MHz (6526B) versions. TO ADD: this new update seems to fix loading of some prg files that first FPGA-based clones. SID, PLA und anderes. Some demos rely on the 8521 CIA instead of the 6526 CIA which is active by default. J-CIA 64 & J Posted in Retrocomputing Tagged 6526, cia, commodore, MOS Technology Ants, Dirt, Rain, And The Commodore 64 That Wouldn’t Quit October 3, 2018 by Dan Maloney 34 Comments micromania computer know-how Dominik Schläpfer Brühlbleichestrasse 2 9000 St. Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. JandM April 20, 2024 July 25, 2024 Products. smvkeq hhqid icu uuydl vmpzakz lnyeb rlze cht wkxpf lpwvicwk avzfmjp gbmzvw fxfvd mxewf kuprbto
6526 cia fpga. This subreddit is open once again for discussion.
6526 cia fpga A subreddit dedicated to gaming hardware, clone consoles, flashcarts, and other accessories based on field-programmable gate array (FPGA) technology. 6526 and VIC is where it gets complicated. There's definitely not a I’m looking for a replacement 6526 (CIA) chip. Likes Received plazma Trollie Wallie Posts: 396 Joined: Sun Jul 07, 2013 12:14 pm Location: Oulu, Finland Age: 46 The reDIP CIA FPGA replacement board boasts the capability to emulate a range of CIA chips, including: CIA 6526: A crucial component in Commodore systems, responsible for handling input/output, The reDIP CIA reDIP CIA MOS 6520 PIA / MOS 6522 VIA / MOS 6526/8520/8521 CIA FPGA replacement. " This project was started in 2018 and a like every other retro project of this nature, the post pandemic chip shortage put the breaks on until now. Just might want to know: MiSTer Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. au_chadl wrote: For a CIA is should be FPGA-based clones. Contribute to jhughes1010/6526cia development by creating an account on GitHub. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 305 Joined: Thu Aug 07, 2014 6:52 pm. Gallen Schweiz +41 71 244 45 20 I have used the AMIGA 8520 CIA as a Direct Replacement in Commodore 64 Machines for years, with No Issues. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 310 Joined: Thu Aug 07, 2014 6:52 pm. Post by Chris23235 » Thu Jan 03, 2019 9:20 pm. xIA is coming Q1 23 (affected by shortages) from CBMStuff. The CIA was developed from the Semiconductor manufacturer MOS Technology, which was taken over in 1976 by Commodore. sim/ sim_1. RCT Pro – New firmware v. Later versions were produced in cheaper plastic package. J-CIA 64 has been developed by Jani – FPGA based replacement for MOS 6526 & 8521 CIA chips. FPGA based replacement for MOS 6526 & 8521 CIA chips; Complete FPGA-based clones. When I load software it uses the real CIA's. Sign in Product Actions. Serial interface port for changing settings and updating User Control Panel; Logout User Control Panel; Logout 20K subscribers in the c64 community. Now the J-CIA is tested with different hardware and software. MiST. Complete logic and all features of the FPGA based replacement for MOS 6526 & 8521 CIA chips; Complete logic and all features of the original IC's implemented; All diagnostic & software tests passed 100%, FPGA based replacement for MOS 6526 & 8521 CIA chips Complete logic and all features of the original IC’s implemented All diagnostic & software tests passed 100%, J-CIA 64 is a modern replacement for the aging 6526 CIA chip for the Commodore 64, Commodore 128, SX-64 and 1570/1571 drives. Welcome to the Community for everything and anything relating to the Commodore 64! Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. I/O port for OLED screen (for programming and status) or any I2C device in the future. CIA MOS 6526A in plastic package MOS 8520A in an Amiga 1000. With interrupts fully implemented within our CIA module, we are one step closer to integrate our tape module to our C64 module. For the Char ROM you can even use a correctly programmed 2532 EPROM as drop FPGA based replacement for MOS 6526 & 8521 CIA chips Complete logic and all features of the original IC's implemented All diagnostic & software tests passed 100%, including all tests in Wolfgang Lorenz's test suite and Vice-project's CIA-tests. FPGA, MCU and tagged 6502, User Control Panel; Logout The online community for MiSTer FPGA enthusiasts. 26 released. I'd be interested to know exactly how compatible it is. Amiga compatible version will be released later. Inside the C64 there are two FPGA-based clones. net/j-cia/ J-CPU64 has been developed by Jani – FPGA based replacement for MOS 6510 CPU. Find More – J-CIA 64. User Control Panel; Logout Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. FPGA based replacement for MOS 6526 & 8521 CIA chips; Complete logic and all features of the original IC's implemented; All diagnostic & software tests passed 100%, including all tests in Wolfgang Lorenz's test suite and Vice J-CIA 64 Commodore 64 and 128 (C64 / C128) MOS 6526 CIA Replacement. There are many projects and such I have on back burns that I eventually want to catch up on, but naturally, when i do want to, something that I use frequently and is of gre J-CIA is a FPGA replacement for the MOS 6526 & 8521 CIA chips in Commodore computers. HarborSeal Posts: 54 Joined: Sun Jul 12, 2020 6:54 am Has thanked: 42 times Ein Demonstrator für den im 6502. Commodore 64 core for the MEGA65 based on the MiSTer FPGA C64 core - MJoergen/C64MEGA65. Designs for the iCE5LP1K FPGA can be processed This 6526/8521 version has been tested to work on a 1581 drive too by a betatester, but full compatibility cannot be guaranteed. But it wasn't tried with real chips, just with FPGA replicas only (however the 6526 model is a very accurate replica). But first, the details. FPGA-based clones. Commodore 16, 64, 128, VIC-20, PET. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 309 Joined: Thu Aug 07, 2014 6:52 pm. J-CIA is real, but has been MIA for like 3 years. He talks about improved compability: https User Control Panel; Logout Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. net/j-cia/ Very interesting brand new MOS 6526 / 8521 / (8520) FPGA replacement part that has hit the scene, with a few caveats worth keeping in mind. Hat es etwas auf sich, dass der CIA Baustein 6526 nicht mit anderen Chips (FPGA etc. It served as an I/O port controller for the 6502 family of microprocessors Re: CIA Question for FPGA Experts « Reply #7 on: November 28, 2007, 06:46:45 PM » Well, even the C64 had two CIAs, (older) 6526 (same with C128). Fepo; Apr 18th 2020; Hardware; C64 kann kein Directory lesen! Tishima; Mar 6th 2023; repair corner; Machbarkeitsfrage: Drop-In-Ersatz für 6510 auf FPGA-Basis? The Ultimate 64 re-implements all of the C-64 logic and chips onto an FPGA while providing sockets for one or two SID chips for more accurate sound than is possible to implement via FPGA. He talks about improved compability: https The online community for MiSTer FPGA enthusiasts. This is a “complex” peripheral interface adapter chip for 6502 processor or 68K chipset. Sobald "MockA65xx" Serienstand erreicht hat, geben wir hier Vollgas! Einen alten FPGA zu nehmen ist keine Option: Dann verschiebe ich das Beschaffungsproblem ja nur. )ersetzt werden kann?So einen SID I know there is a guy working on a FPGA solution, J-CIA, I don't have any experience with FPGA, but it kind of looks like that project is on standby? I haven't seen any updates on it recently anyway. The 8580 is huge, 2 instances didn't fit in the FPGA. He talks about improved compability: https 65C22 instead of 6526 CIA, I've got conflicting information on whether it'll work or not but it's a starting point. HarborSeal Posts: 25 Joined: Sun Jul 12, 2020 6:54 am Has thanked: 21 times FPGA-based clones. Joined: Apr 16th 2008. Why has no-one done it yet? Is there some undocumented SNAFU that complicate the matter? The 6526 is in the C64, C128 and 1570/1571 disk CIA 6526/8521/8520 differences. I have a 500 that has a dead CIA. FPGA based, The reDIP CIA provides an open source hardware platform for MOS 6520 PIA / MOS 6522 VIA / MOS 6526/8520/8521 CIA replacements. net/j-cia/ Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. When you switch to 6526 CIA the music works properly. net/j-cia/ There are quite expensive obsolete chip from various Commodore computers and peripherals- CIA/PIA MOS 6526 and a bit changed 8520 used in Amiga computers. Crisp; Jul 28th 2020; Thread ignore; Den CIA mit einem FPGA zu realisieren ist ein dickes Brett. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 330 Joined: Thu Aug 07, 2014 6:52 pm. The package was a JEDEC-standard 40-pin ceramic or plastic DIP. We're specifically talking about the configuration CPLD that launches the 1k30 FPGA after a cold-start. Top. Your IP address and user-agent are shared with Google along with performance and security metrics to ensure quality of service, generate usage statistics, and to detect and address abuse. CIA 6526. org Forum diskutierten diskret aufgebauten 6526: Das Ziel dieses Projekts ist nicht die Erschaffung eines FPGA-Ersatzes, sondern der diskrete Nachbau. Rayne released his new implementation of the 6526 chip. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 313 Joined: Thu Aug 07, 2014 6:52 pm. Regardless, it's mere existence and multiple emulation modes should pressure off the J-CIA - CIA 6526/8521 Ersatz. The 6526 can also be found in other hardware, such as the 1571 FPGA-based clones. New 6526 (CIA) Implementation for the C64 core. and it waits forever). He talks about improved compability: https J-CIA - CIA 6526/8521 Ersatz. J-CIA / FPGA CIA (6526 / 8521) J-VIC / FPGA VIC-II (6569 / 8565) J-CPU / FPGA CPU (6510 / 8500) "J-Chips" featured on Retro Recipes video: It's Real: A Brand New 1980s Commodore 64 Clone in 2023! Testing videos on youtube 15. He talks about improved compability: https FPGA-based clones. Looking at the pinout the CIA-pins are quite straight forward to figure out. You also will probably get more interest and more sales as those are known to fail very frequently while no replacements are available. Lately I have been doing for 8-bit computing, mainly with the C64 and SX-64 that I MOS 6526 CIA Replacement J-CIA 64; MOS 6510 Replacement J-CPU64; Power Supply – PSU; Commodore 64 Diagnostic Cartridge; J-CPU64 has been developed by Jani – FPGA based replacement for MOS 6510 CPU J-CIA 64 has Read more. 8520s even work in C64s, they're just faster and have additional timer(s). Napisal/-a Neozemljen » 18. 4 prispevkov • Stran 1 od 1. Contribute to daglem/reDIP-64 development by creating an account on GitHub. The 6526/8520 Complex Interface Adapter (CIA) was an integrated circuit made by MOS Technology. Go! Go I don't know much about FPGAs but it would be nice to have a single FPGA or CPLD that replaces both CIAs in one shot. 2 x 6526 CIA; Cartridge port signals; Menu / freeze button; Then, if one wishes to replace the VIC-II, the SID, or a CIA chip, the custom chip is removed, and wires are run from the reDIP 64 to the corresponding socket pins Ich hoffe ich bin hier richtig. Skip to content. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 304 Joined: Thu Aug 07, 2014 6:52 pm. Currently we know for sure of one demo where this is Hello all! It's been awhile since perhaps I have posted anything interesting. I'd guess fairly high but not perfect. com. An overview of Interrupts on the CIA The easiest way to understand how interrupts work on the CIA, is just to look at the datasheet of a CIA 6526. I wonder if anybody tried the 6526 complex interface adapter FPGA. Crisp; Jul 28th 2020; FPGA-Chip-Replacements; C64 CIA Nachbau?-micky; Jan 1st 2021; repair corner; Ersatz für CIA 6526. Apr 2024 16:33 . New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 323 Joined: Thu Aug 07, 2014 6:52 pm. Post by DanyPPC » Fri Feb 01, 2019 9:16 am. This subreddit is open once again for discussion. Post by slingshot » Tue Feb 05, 2019 12:19 pm. He talks about improved compability: https CIA 6526. Hello all! It's been awhile since perhaps I have posted anything interesting. The CIA (Complex Interface Adapter) is an interface chip used in the Commodore homecomputer. Now it's shrinked a bit again, without sound User Control Panel; Logout Without it the CIA's and SID will show bad as it is trying to test the ports and the CIA's control I/O processes and the SID plays a part because aside from sound it also controls potentiometer reading. Board Index. I have also noticed the MOS 8520 CIA is Half the Price of the MOS 6526, when it comes to Purchasing on sites such as fleabay But please Check the Timings Compatibility, if you intend to use the MOS 8520 in your Commodore 64 Disk Drives. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 335 Joined: Thu Aug 07, 2014 6:52 pm. Hier im Board wird so viel Ersatz für Chips angeboten, die seltener geworden sind. I searched, but still didn't found a comprehensive list about the differences of the models. master. Forum; Translate Posting; Go to Page Bottom; Go to Page Top; Diddl. Navigation Menu Toggle navigation. Probably requires extra circuitry or breaks some of the I/O. Re: New 6526 (CIA) Implementation for the C64 core. 01. Some unnamed idiot fried mine while playing with a userport project!:blush: The prices on eBay are crazy! Do you think that this FPGA based will sell it to you for 10 €? Consider that like all CIA 6526. He talks about improved compability: https The explanation to why autofire is working when in the Turbo Chameleon 64's menu could be because the TC64 probably uses it's FPGA CIA when in the menu. Computer Cores. This might be of interest to those who are hardware orientated. 16 KB) – like on all game consoles from the time. If the the FPGA has enough LEs to support recreating the entire system, and the core configuring the FPGA has been properly written to do so, it becomes that I've read somewhere it is only a combination of 65CE02 processor, two 6526 CIA:s and a 6511 UART. Das was Du siehst ist nur ein Prototyp der ist deshalb so groß, weil User Control Panel; Logout may-31-2009: 6526 CIA and C-One reverse engineering Yes, you've read it right: The makers of the C-One have to reverse-engineer the C-One. Vse kar sliši na ime CPLD, FPGA, VHDL, Verilog, ali pa se HW kako drugače zapiše v čipovje. I'd suppose it's possible to build from these components but it FPGA based, so it functions as a piece of real hardware, identical in capability to the MOS 6526 & 8521 CIA chips that it replaces; Incorporates the complete logic set andallfeatures of the original chips; Pass all known diagnostic & software tests (including all Wolfgang Lorenz's test suite and the Vice-project's CIA-tests;. There are many projects and such I have on back burns that I eventually want to catch up on, but naturally, when i do want to, something that I use frequently and is of great use to me breaks down, an a diversion begins. It served as an I/O port controller for the 6502 Commodore 64 FPGA emulation platform. He talks about improved compability: https The released version ("J-CIA64") is only compatible with 6526/8521 - CIA. (for the Commodore 64, Commodore 128, SX-64 and 1570/1571 drives) Physically very similar to the FPGA based replacement for MOS 6526 & 8521 CIA chips Project started in 2018. NB: Blaues Licht leuchtet blau TVS diode protection on the joystick ports prevents 6526 CIA damage due to static electricity. Xberry Pi : ZX Spectrum Next Clone. User Control Panel; Logout; Bing [Bot] User Control Panel; Logout; Theme options; Sticky header; Bubbles; Wide forum; Search Games. Members Online Still - if I may suggest, the chip that I'd LOVE to see having a reliable replacement is the 6526 CIA. Fuji Shaped Bastard Posts: 2745 Joined: Mon Aug 06, 2018 3:05 pm. net/j-cia/ Description [edit | edit source]. 32MHZ CPU that handles RESET, Kernal ROM switching, OLED screen, LEDs, and monitoring of various lines. Man kann nur hoffen, dass es irgendwann jemandem gelingt. FAQ; Forums. These are mostly FPGA replacements. The FPGA can provide a much greater amount of logic circuitry per $/Euros when compared to a CPLD but There was another project on here a couple years ago remaking the c64 cpu in 74 series logic. Automate any workflow Packages 6526 CIA. He talks about improved compability: https In this post we will be implementing interrupts within our CIA module. ROM and SRAM, well, that's just standard parts with minimal extra logic. New 6526 (CIA) Implementation for the C64 core Next; Chris23235 Captain Atari Posts: 311 Joined: Thu Aug 07, 2014 6:52 pm. JandM April 27, 2024 April 27, 2024 Retro Chip Tester. So you can use a blended approach, with MOS 6526: CIA I/O controller; There is no ROM on the board, so all code and even the character set has to come from a cartridge (max. 2020-07-31 - 12:15:00 - Week: 31 - Item number: 8295 - Category: Commodore , Hardware Hi all, hoping everybody is alive and kicking, I'm here with a question: is there any modern replacement/adapter for 6520 and 6526? There more or less a workaround for almost any C= chip: the RRIOT 6530 can be replaced with a 6532 [that's still in production by Rockwell, afaik] + eprom + logic glue there's an adapter for use a 6502 instead of 6510/8501/8502 and there This site uses cookies from Google to deliver its services and to analyze traffic. It was 5 years ago and the name of the post was “THIS 6502 MADE FROM 74-SERIES LOGIC CAN RUN AT 20 Commodore 64 core for the MEGA65 based on the MiSTer FPGA C64 core - MJoergen/C64MEGA65. The 8520 CIA, with its modified time-of-day clock, was used in the Amiga computers. Reportedly Amiga's 8520 works better in C64. 60 posts Previous; 1; 2; 3; Next; DanyPPC Atari God Posts: 1706 Joined: Tue Feb 21, 2017 7:02 am. User Control Panel; Logout This so-called CIA chip, for Complex Interface Adaptor, contained parallel and serial ports, timers, and a time-of-day counter. Quick links. First prototypes delivered to beta testers in april 2020. It controls most of the I/O processes and contains as well the internal timer (clock). MOS Technology CIA. Jeri lost the source code and only the binary file was left. Find More – J-CPU64. FPGA is also letting us build modern replacements for chips like the 6526 CIA and 6510 CPU last made in 1992. 2023 Re: New 6526 (CIA) Implementation for the C64 core Post by slingshot » Thu Jan 31, 2019 10:21 am This guy plays on a synth, which is the creation of the SID's father (he told this synth's chip is what he wanted the SID become originally): Pin configuration of the 6526 CIA Early 6526 CIA were still in costly ceramic package with gold contacts. 6526 ("alter" CIA; NMOS) 8520 (Amiga CIA) 8521 ("neuer" CIA HMOS-II; meistens als 6526(A) gestempelt). net/j-cia/ The CIA was available in 1 MHz (6526), 2 MHz (6526A) and 3 MHz (6526B) versions. TO ADD: this new update seems to fix loading of some prg files that first FPGA-based clones. SID, PLA und anderes. Some demos rely on the 8521 CIA instead of the 6526 CIA which is active by default. J-CIA 64 & J Posted in Retrocomputing Tagged 6526, cia, commodore, MOS Technology Ants, Dirt, Rain, And The Commodore 64 That Wouldn’t Quit October 3, 2018 by Dan Maloney 34 Comments micromania computer know-how Dominik Schläpfer Brühlbleichestrasse 2 9000 St. Für alle die eine CIA suchen hier gibts wohl bald was neues (Gerade auf FB gefunden):https://1nt3r. JandM April 20, 2024 July 25, 2024 Products. smvkeq hhqid icu uuydl vmpzakz lnyeb rlze cht wkxpf lpwvicwk avzfmjp gbmzvw fxfvd mxewf kuprbto