[otabdeveloper1]

> Original NES developers probably had some sort of toolchains, but whatever they were, they have been lost to history.

"Lost to history"? Really? The developers are still alive, you could have, you know, sent them an email and asked.

[bluedino]

This webpage:

https://seanmalstrom.wordpress.com/2011/08/19/email-a-look-i...

shows Nintendo programmers plugging away at HP 64000 which was likely corporate-owned and long destroyed

http://en.wikipedia.org/wiki/HP_64000

[krivx]

Japanese developers from that era are famously secretive. I have heard that Nintendo has a reputation for being particularly shortcoming with information to journalists or historians.

[unexistance]

eeeh NDA will probably prohibits, hence lost