The sound is output through the sigmadelta modulation based dac via the builtin speaker. The chip in the breadboard schematic is not correctly rendered, but i was too stupid to. The ym2149 is a directly pincompatible version of the 8910 made by yamaha, and used in the atari st. The zxpand ay module is fully zonx compatible, and uses a mixer circuit to provide stereo output. The ay38910 8912 programmable sound generator psg is a large scale integrated circuit which can produce a wide variety of complex sounds under software control. General instrument ay38910 and ay38912 programmable sound generators. The chip tunes produced by this ic are iconic and are reminisc. The ssg, or software controlled sound generator, is yamahas ym2149 programmable sound generator. Building the vmw raspberry pi ay38910 chiptune player. Ymay sound card pcb for the rc2014 computer from ed brindley on tindie. Ive updated the schematic bom in the github repo to reflect this. I will propose you an update on this, taken from an actual schematic, the one used on the oric 1atmos the oric also use an ay 3 8910 as its soun.
Actcad uses intellicad engine, open design alliance dwgdxf libraries, acis 3d modeling kernel and many. The ay38910 is a 3voice programmable sound generator, and was a widely used chip, appearing in famous computers such as the amstrad cpc, the msxline and probably most famously was used with the zx spectrum computer from sinclair. The ay38910 or kc89c72 sound generator 40pin dip is found on nintendo popeye and sky skipper boards, and many others. Send message hello, i really like your project and i think i have skills to help you. Opn3, is a development of the ym2608, used in later nec pc9801 computer soundcards. Well, theres some marvellous sgm games to be played but i dont have a sgm. Ay38910 video game music preservation foundation wiki. Kicad schematics and gerbers for a ym sound card for the rc2014. The gryphon software folder contains 3 test programs at the moment. Ay38910 driven by arduino plays 1943 theme youtube.
Find file copy path fetching contributors cannot retrieve. This is not the latest version but i will be moving up to 4. Transistorlevel schematics, verilog model and a testbench with tools, that can render register dump. Programming the ay38910 sound chip programming the ay38910 programmable sound generator psg is a relative simple task. So i soldered up a simple audio interface on my prop demo board and hacked about with the code today. The info on this page is therefor for the advanced programmer with some assembler knowledge. I am using the gnu gcc tool chain for elf format version 4. The ay 3 8912 is the same as the ay 3 8910 only with a 28pin footprint in order to save space on the circuit board. Jun 25, 2015 the ay 3 8914 was the sound chip used in the intellivision. This is a common sound part from the 80s, and was the sound chip in my very first computer, the oric1.
Im building a circuit driven by an arduino uno that controls a ay 3 8910 programmable sound generator. The ay389108912 is manufactured in gls nchannel ion implant process. Apr 18, 2020 both the ay 3 8910 and ym2194f are unfortunately not in production any more, but reclaimed chips are available fairly plentifully on ebay from suppliers in china. The yamaha ym2149f is a 3 voice software controlled sound generator chip that was used in classic computers from the 1980s such as the atari st series. I mentioned on the other thread i started that i was looking in to doing an ay sound chip upgrade for the adam. This should allow you to test the chip, and the op amps. For my homebrew to have a reasonably complete set of features, i really want some sound output capability. It doesnt work unless you also make changes on the zx81circuit board. The zxpand ay sound module plugs into the zxpand and provides a built in ataristyle joystick adaptor, and is complete with a full yamaha ym2149 sound chip equivalent to the ay 3 8910 and an atari style db9 joystick port. Actcad is a 2d drafting and 3d modeling cad software meant for engineers, architects and other technical consultants.
Espboy pt3 player, ay38910 emulation through dac module. Manual for sbm st small business management, point of sale, inventory control from newell industries. I would suggest using a standard 40 pin dil socket for the ay as they are more accommodating to bentsoldered pins than a turned pin ones. Problem is, its not working, at least its not making music like it should do. In this video, i show a little demo of using an arduino which allows me to interface my computer to an ay38910 sound generator chip. When i run a single channel, it sounds pretty good. Manuals and documentation related to the atari st computer. Full software control of sound generation interfaces with most 8bit and 16bit microprocessors 3 independently programmed analog outputs one 8bit general purpose io port single 5. The ym2608 includes the ssgs 3 sound channels and dual 8bit gpio ports. This is windows or linux program, designed for playing music for ay 3 8912 sound chip or its analogs are ay 3 8910 and ym2149f. Multifunction raspberry pi chiptune player hackaday. While the chip still has parallel port b functionality, only parallel port a is actually connected to any pins.
I only used one 74hc9 in addition to the ay 3 8910. I dont have any intellivision docs handy, but for whatever its worth, heres something from wikipedia. Various articles around the topic of pcditto software by avantgarde systems. The ay38910 8912 89 is manufactured in the general instrument nchannel ion implant process. Transistorlevel schematics, verilog model and a testbench with tools, that can render register dump files into. Ay38910 control with arduino without the need for a quarz.
Ym2149 is analog of ay38910, and ay38912 is simplified its version. Contribute to quasimondoarduino sketches development by creating an account on github. Com allows you to enter text on the screen in 80 x 24 character mode. Hmm, i seem to be posting a lot for a confirmed lurker.
The ay38910 is a series of programmable sound generators psgs. What is this this is windows or linux program, designed for playing music for ay38912 sound chip or its analogs are ay38910 and ym2149f. Ym2149 sound generator, arduino and fast pin switching. Id like to use this with an arduino board, and it seems very plausible ive read through the manual for the chip several times over, and i have a fair understanding of how the chip works. Large scale integrated circuit which can produce a wide variety of complex sounds under software control.
For the retro and nostalgic feel, i chose the ay 3 8910. I have an ay 3 8910 coming in the mail but the only schematic i can find in this thread now is for the much smaller ymz284. I am piping the audio through an lm386 which then drives a small pc speaker. Arduinosketchesay38910 sound chipquarzless control at. Please look into the z80 manualdatasheet here, you will find the following. Cant get the ay389 sound chip to work with my z80 added. The raspberry pi has more than enough power to do all this in software, but as deater puts it, its far more interesting to use an actual ay38910 from the 80s. These were programmed over an 8bit bus that was used both for addressing and data by toggling one of the external pins. The oric also use an ay38910 as its sound chip, and i never heard the audio saturate in all conditions.
Essentially, i have an ay 3 8910, a sound chip that was commonly found in computers of the 80s and 90s. Dec 15, 2019 the program emulates ay sound chip and plays pt3 files loaded into the spiffs. Hi everyone, this is a pernicious problem that has me stumped ive built an 8bit sound card from my homebrew computer based on the ay 3 8910 psg. For atari st computers atari 520st, atari 1040st scanned from the original documentation provided by wes newell. Apr 09, 2012 ym2149 sound generator, arduino and fast pin switching i spent my childhood with an atari ste and its bleepy sounds. Both programs can be downloaded from here step by step building the vdp video board.
The ay 3 8914 has the same pinout and is in the same 40pin package as the ay 3 8910, except the control registers on the chip are shuffled around, and the expected input on the a9 pin may be different. Additionally emulator can play cds audio tracks and midifiles. View online or download microchip technology ay38912 data manual. I got some 8 bit wav samples to play and mix in with the ay 3 8910 sound effects simultaneously and i am quite happy with the end result. So, this fact allowed using all of these chips in zx spectrum analogs with keeping of software compatibility. Cmos ram to replace rom with veroboard layout probably unique warning. There is a rough handdrawn schematic shown in figure 1. Ay38912 chip widely used in original zx spectrum 128k computers. Jun 02, 2016 an ay 3 8910 actually a yamaha ym2149 playing the theme from the atari st version of the game 1943, one of my alltime favourite arcade games. But since the aquarius basic doesnt support any commands for input output the task has to be solved by machinecode. I will propose you an update on this, taken from an actual schematic, the one used on the oric 1atmos continue reading update on ay38910 schematic. Optional bass by ian luck can be used for playing mp3 and mod music. This is a ym2149fay38910 sound card for the rc2014 z80 8bit computer. Jun 11, 2017 general instruments ay38910 is a chip associated with video game music and is popular with arcade games and pinball machines.
Ymay sound card pcb for the rc2014 computer from ed. Yet another arduino ay38910 project, there are many like it. The ay38910891289 programmable sound generator psg is a lsi circuit which can produce a wide variety of complex sounds under software control. Ay389108912 programmable sound generator data manual.
The ay38900 89001 operates within the computer system by time sharing a bidirectional 14 bit bus. I am thinking that wr and cs will be the same, but if anyone already has figured out what to do with analog channels a, b, c and the address lines, it would be greatly appreciated. Well, i went and hooked an ay 3 8910 up to a rotj board, and dumped the japanese gimmick. The ay38910 8912 89 programmable sound generator psg is a lsi circuit which can produce a wide variety of complex sounds under software control. The ay38910 is organized as 16 consecutive memory locations starting at the base address which is decoded by the chip select lines cs0cs2. The ay38910 was essentially a state machine, with the state being set up in a series of sixteen 8bit registers. Ay38912 ay38912 programmable sound generator ic general. You are about to report the project ay38910 psg, please tell us the reason. The demultiplexing and the system synchronization are defined by three sets of control signals. It removes the ym2608s gpio ports, csmmode and the adpcm sound source. Com just issues two different sounds from the ay 3 8910 chip. Emulator emulates these sound chips and does not require real ones. Ym2149fay38190 sound card for the rc2014 computer github. They include source, objs, bin and a makefile for each directory.
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