Ars Technica story about Masahiro Sakurai the creator of 1992’s Kirby’s Dream Land:

Sakurai recalled how HAL Laboratory was using a Twin Famicom as a development kit at the time. Trying to program on the hardware, which combined a cartridge-based Famicom and the disk-based Famicom Disk System, was “like using a lunchbox to make lunch,” Sakurai said.

As if the limited power wasn’t bad enough, Sakurai revealed that the Twin Famicom testbed they were using “didn’t even have keyboard support, meaning values had to be input using a trackball and an on-screen keyboard.”

Amazing story. Be sure to follow the link to the full story, complete with pictures.

[H/T Carlos Oliveira]