Pdf t9i03 si0680h8a pf 2200pf amplifier b7 6368 sid 6581 mos 6581 wind of change noten lf 8731 commodore pw10 fc10. Most of us might have sold this 8bit micro by now, or it collects dust, but the sound of iconic video game music wont get out of. Typical of commodore, not all contacts of the chip have been documented. There are 29 eightbit registers in sid which control the generation of sound. The epic commodore c64 sid collection 11 hours of c64. For curriosity, i summarised all the data i cound find on the chip itself and rebuilt a datasheet of the chip with historical quotes, you can find it here. Accurate sound, significantly lower noise level and less interference from the power supply than the original sid. It was a home computer based around the 6510 microprocessor and a couple of custom chips. Using the mos 6581 sid chip part 1 much has been and is still being said and written about mos technologys sid chip. The 6581 takes 12v and requires 470pf caps while the 8580 and 6582 take 9v and require 22nf caps. Tre 6581 sound interiace device sid is a singlechip. Early r3 no markings, later 6581 r3 was printed on chip r4 and r4ar.
I am using 12v and 5v for vdd and vcc both less than the absolute ratings. Im trying to build an 8 bit synthesizer based on the sid 6581 chip found in the commodore64. It was one of the first sound chips of its kind to be included in a home computer prior to the digital sound revolution. Audio in is applied to pin 5 of cn5, then to pin 26of the sid ic. And it saw the launch of the commodore 64 microcomputer. This is an old project of mine from about 3 years ago.
The sound chip is the 6581 sid, the same one that was used in the popular commodore 64 c64 but with some limitations as it was overclocked to 2 mhz. Just insert instead of the original sid chip into the socket and its done. Please see my other video on the 8580r5 before watching this one. Additionally, the cbmii has an industrystandard rs232 serial interface and an ieee488 parallel bus for use by disk drives and printers just like the petcbm series. The chip, like the first product using it the commodore 64, was finished in time for. I made this by taking a photocopy of an original document and using ocr to capture the content, then the document was handedited, formatted for mediawiki and reassembled here with cleanedup and straightened diagrams and tables. Commodore 64 motherboard revisions the silicon underground.
Because the 6581 sid hasnt been in production for many years, this has resulted in a brisk aftermarket for old chipsand one thats big enough that crooks have made fake chips, or. I have verified that every pin is hooked up as the datasheet specifies. Exploring the commodore mos technology 6581 sound interface device sid using a behringer bcr2000 control surface. Following the datasheet, i plugged the chip into my protoboard and interfaced it with my microcontroller. Commodore sid 6581 datasheet electronics electrical engineering. A new replacement of the mos 6581 and 8580 sid music chip used in the commodore c64 and c128. The mos technology 6581 8580 sid sound interface device is the builtin programmable sound generator chip of commodore s cbmii, commodore 64, commodore 128 and commodore max machine home computers. The 6582 was sold as replacement for defective 8580s, and sounds very similar. Is there a more standard way to provide a reliable clockout at a specific frequency than interrupts. The commodore 64ii and commodore 128 use the newer 8580 chip. A collection of useful documents pertaining to the 6502 microprocessor. The sid can be programmed in basic or machine language using a machine language monitor or an assembler package e.
So very carefully check where to put sid and pla if you want to replace them or swap them with chips from another board. Sid revisions the 6581 was used on first commodore 64 from 1982 to 1986 with 4 main revisions called r1 r2. Since part of the sid internals are analog, i would not do. Approved crossreferences for ttlchips, transistors, etc. The goal is to present in the least obfuscated way how the commodore 64 works and whats happening behind the scenes once you start a program. More informations regarding the sid module can be read on the midibox sid page, here just only the technical informations are listed unlike the common sid synthesizer implementations i decided to connect the sid with a serial link to port j10 of the core module via shiftregisters. Commodore part numbers are printed for reference only and do not indicate the availability of parts from commodore. There are also new chip replacments that emulate the sid like swinsid. Commodore semiconductor group does not assume any liability arising out of the application or use ol any. The commodore 64, also known as the c64 or the cbm 64, is an 8bit home computer introduced in january 1982 by commodore international first shown at the consumer electronics show, in las vegas, january 710, 1982.
Preliminary datasheet for the 6581 sound interface device sid chip, produced by commodore semiconductor group csg former mos technology mos. This is my attempt to study the rust programming language and have fun at the same time. Commodore didnt care and used same lines for vicii and sid thatswhy we can hear whatson the screen on audio output. Thanks to the c64, millions of homes were equipped with a programmable electronic. We1iexplain both the theory behind musical ideas and. This article is a reproduction of the original commodore 6581 sound interface device sid datasheet. The original manual for the sid mentions that if several waveforms are enabled at the same time, the result will be a binary and between them. The 6581 sid is a singlechip, 3voice electronic music synthesizersound effects generator compatible with the 65xx and similar microprocessor families. I was 8 when my father bought me a c64 28 years ago, and i still remember how thrilled i was to play with it im still a gamer and a hardware hacker thanks to. Glossary 482 index 483 commodore 64 quick reference card 487 schematic diagram of the commodore 64. Chapter 8 in the commodore 64 microcomputer user manual gives information on how to program. Sidaster commodore sid 65818580 shield and synth engine. Swinsid is a hardware replacement for the legendary sid sound chip of the commodore 64 computer. With a second sid c64 audio circuit in your computer you get the following advantages with the mssiah cartridge.
It soon became very popular and played a major part in shaping the computer gaming industry. The all purpose commodore 64 is the complete computer for education, home or small business applications. The audio output design of the sid2sid is a copy of the standard commodore 64 audio output with no extra protective circuits. Do you remember times, when composers like rob hubbard, martin galway, ben daglish, tim follin, jeroen tel, mark cooksey, jonathan dunn and chris huelsbeck did magic on an 8 bit computer called commodore 64, creating awesome chiptunes. Inputs from paddles connected to one of the control ports are monitored by the sid ic. The mos technology 65818580 sid sound interface device is the builtin programmable. If you just swap them and give it 9v, it will be out of spec it may not damage it, or else it may try to pull more current due to the lower voltage and damage something. C128 sx64 this booklet explains how to install the sid2sid in a standard commodore. Introduction the commodore 64 programmers reference guide has been developed as a working tool and reference source for those of you who.
Right now im using the timer2 interrupt, but im not sure its working. The main difference is the supply voltage and filter caps. Commodore 64 mos6581 sid based synth sequencer with. The fuse is horizontal behind the cartridge port if you want to spot one without opening up the machine. Industry standard parts resistors, capacitors, connectors should be secured locally. The epic commodore c64 sid collection aims to be a delight for the veteran c64 freak as well as todays millennial who loves chiptunes but has never even seen an 8bit computer. If you dont have a c64, you might want to install a sid player on your pcamigamacwhatever. The first version was the 6581 followed by the 8580, in the later flat grey commodore c64c. Sid2sid commodore 64 parts kit for the second sid 6581. Sid 6581 sound interface device other names for this product. Sid and dos unlikely but true bedfellows the commodore mos 6581 sound interface device, the sid, is one of the most famous synthesizer chips of all time.
Furthermore, the locations of sid u18 and pla u17 have been swapped, at least with respect to version a cr, so that the sid now resides near the upper edge of the board and the pla an inch below. Documents datasheets commodore semiconductor group mos technology application briefs. We1i explain both the theory behind musical ideas and the practical aspects of. This is a later version of the famous mos 6581 sound interface device sid. The sid sound interface device is a mono sound chip that has 3 voices and is also used to read the paddles x and y axes. It has been listed in the guinness world records as the highestselling single computer model of all time, with independent estimates placing the number sold. Commodore 8580 sid along with his great investigations into the mos 6502, its variations, and other mos and commodore tech, michael steil has donated many commodore parts and boards, among them a commodore 8580 sid. Commodore sid 6581 datasheet free download as pdf file. It is designed as a replacement that fits into the sid socket. The swinsid emulates the sound of the sid chip but is lot more powerful and lets you experience the new dimension of. This was proper according to the datasheet of the 6581, but in practice in the. Unfortunately, many of these devices produced between 1982 and 1993 reach the end of their life span these days.
One of the american commodore groups has asked for a quickcam set up to demonstrate at there summer get together. Its inclusion in the commodore 64 and 128 computers helped to popularize computer music, mostly in europe. All you need is some components and a soldering iron. The sid sound interface device is a 3voice synthesizer chip which gives the commodore 64 its fascinating sound and lead to thousands of cool sid tunes. Commodore made the 64 about 11 years, so its no wonder they made several commodore 64 motherboard revisions during that time.