Hello,
I have an old drum machine from witch i like to extract the sample data thats stored in 2 mask roms, eventually the idea is to replace the stock samples with new ones but before i invest in a eprom programmer i like to see if the data extracted can be made readable.
I came across the promdate program that seems like a good place to start. I'm new to teensy so please excuse me for the obvious questions. There is not much documented about the promdate project, tho all necessary comments are given in the code i definitely need some guidance modifying adres and data pins and if possible make it teensy 3.2 compatible.
Fist thing first Teensy, like said i have a teensy 3.2 from another project, promdate is written for teensy 2.0++ but has some hints in the makefile for older teensy boards. The rom i want to read has 18 adres pins and 15 data pins so 33 pins i need to configure. Do i need a teensy 2.0++?
Also from the data sheet of the rom, i cannot figure out if i am able to read the data with a 3.3v teensy (i need to read up on roms in general).
Prom date like to source code can be found here:
https://trmm.net/PROMdate
Mask rom data sheet:
http://retrocdn.net/images/c/ca/MB834200A_datasheet.pdf#page=1
all pointers are much appreciated.
I have an old drum machine from witch i like to extract the sample data thats stored in 2 mask roms, eventually the idea is to replace the stock samples with new ones but before i invest in a eprom programmer i like to see if the data extracted can be made readable.
I came across the promdate program that seems like a good place to start. I'm new to teensy so please excuse me for the obvious questions. There is not much documented about the promdate project, tho all necessary comments are given in the code i definitely need some guidance modifying adres and data pins and if possible make it teensy 3.2 compatible.
Fist thing first Teensy, like said i have a teensy 3.2 from another project, promdate is written for teensy 2.0++ but has some hints in the makefile for older teensy boards. The rom i want to read has 18 adres pins and 15 data pins so 33 pins i need to configure. Do i need a teensy 2.0++?
Also from the data sheet of the rom, i cannot figure out if i am able to read the data with a 3.3v teensy (i need to read up on roms in general).
Prom date like to source code can be found here:
https://trmm.net/PROMdate
Mask rom data sheet:
http://retrocdn.net/images/c/ca/MB834200A_datasheet.pdf#page=1
all pointers are much appreciated.