**Edd Barrett** @ebarrett · 2017-04-23T20:27:30Z

Annotated disassembly of the ZX spectrum ROM. Pretty interesting. http://z00m.speccy.cz/docs/dis-romzx-en.txt #zxspectrum

Apr 23, 2017, 20:27 · Web · 6 · 5

**Marcin Cieślak** @saper · Apr 23, 2017, 20:33

**Marcin Cieślak** @saper · Apr 23, 2017, 20:33

@ebarrett I wish I had that back in 1987

**Edd Barrett** @ebarrett · Apr 23, 2017, 20:34

**Edd Barrett** @ebarrett · Apr 23, 2017, 20:34

@saper bedroom coder?

**Alex@rtnVFRmedia Suffolk UK** @vfrmedia@social.tchncs.de · Apr 23, 2017, 20:36

**Alex@rtnVFRmedia Suffolk UK** @vfrmedia@social.tchncs.de · Apr 23, 2017, 20:36

@ebarrett @saper I'm sure I had a printed book with it some time during the 1980s, think it was this one..

**Edd Barrett** @ebarrett · Apr 23, 2017, 20:37

**Edd Barrett** @ebarrett · Apr 23, 2017, 20:37

**Alex@rtnVFRmedia Suffolk UK** @vfrmedia@social.tchncs.de · Apr 23, 2017, 20:39

**Alex@rtnVFRmedia Suffolk UK** @vfrmedia@social.tchncs.de · Apr 23, 2017, 20:39

@ebarrett @saper 🎩 didn't realise such a book was published quite recently, thats another one we would all have liked to have in 1980s 😁