My home made audio mixer is nearly finished...
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NickT6630
@NickT6630@mastodon.scot
mastodon 4.7.2Hi, I build home brew #Retro #Computers #Electronics projects and #Coding, #Music
#FBPE #SaveOurNHS #RejoinEU
147 Followers
195 Following
29 Posts
Joined November 12, 2022
RE: https://mastodon.scot/@NickT6630/117218790826342359
Working on drawing circuit diagrams in KiCad...
I have finished my spinning cube project on my Z180 computer. Quite complex to do in Z80 assembler.
https://youtube.com/shorts/GrPFuFcYMT0?si=_uL1qO_zvH4Ru57E
Z80 retro 8-bit computer 3D rotating cube demo
Replying to
@mcmartin "Rodnay Zaks - Programming The Z80" is one of my go to books. It can be found easily online as a .PDF download.
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The 555 Timer is a small black plastic chip with 8 metal legs used in electronics for a variety of applications. It can generate square waves at a specfic frequency depending on the values of resistors and a capacitor when used as an oscillator. It can also generate one shot pulses when used as a timer.
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@gilesgoat its using 8.8 bits with resulting calculations using up to 16 bits and because of the low resolution its enough.
In the description below the video there is a link to his github page where you can see the code he wrote.
I had to write some of my own routines for my method of display.
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@gilesgoat yes.. I used fixed point arithmetic and sine and cosine. The lines are drawn between the X, Y, Z coordinates using the Bresenham line algorithm.
This video was a huge help as I have not tried to do this before.
https://youtu.be/xADbvfVs6Mg?si=gOCA8HGLUCpOA8lF
Mastering Z80 3-D rotating graphics
People in the UK please sign this petition...
Thanks.
Introduce a new law that requires all local authorities in England to provide 90 minutes free parking in towns and city centres.
Bluesky is working again..
Bluesky is having malfunctions rigjt now... cannot post or read other peoples posts 🙃
Hold a UK-wide briefing on climate and nature risks.
Please sign and share.
Thanks
https://petition.parliament.uk/petitions/767687#main-content
The EU is killing small makers with complicated shipping rules. Can you help me out by signing this petition?
Please sign and share widely.
Thanks
#AbolishTheBBC #DefundTheBBC #BanTheTVLicence
Revoke the BBC Royal Charter, abolish the TV Licence Fee & privatise the BBC.
Replying to
@WooShell@chaosfurs.social @jomo@mstdn.io Someones selling them on eBay...
https://www.ebay.com/itm/205084076668
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Replying to
@brouhaha@mastodon.social Yes, if you want absolute precision there are better ways of doing it.