I've just released my first #game!!

#TMSnake for CP/M compatible #rc2014 computers with a #tms9918a video module and (optionally) a #AY89XX or #YM2149 sound module. It also optionally supports the #Tynemouth #joystick module.

https://wintermute-bbs.itch.io/tmsnake

#snake
#gamedev
#retrogaming
#retorcomputing
#itchio

... spent half the weekend trying to find out why I wasn't able to play a musical scale on the #ay89xx despite having all the formulae for caluclating the tone period implemented correct. some notes were played correctly 🎶 , others sounded like a fart ... 💨

turns out that I did 8 bit masking when I should have done 16 bit masking for the 12 bit of the coarse tune/fine tune registers ... *doh* ... 🤦‍♂️

#retrocoding
#soundchip
#forth
#rc2014
#ym2149f

while looking for some information on the #ay89xx series of #soundchips, I've stumbled across this informative website dedicated to the #MattelAquarius - I do not own such a machine but I love to read about all the details on this site nonetheless, very well done ...

https://www.vdsteenoven.com/aquarius/psgprog.html