Spectrum 128K Rom Disassemblies — updated 9th February 2010

This is a commented disassembly of the Spectrum 128K ROMs (the "Editor" ROM), now including the +2 ROMs, including French and Spanish versions. Available as a ZIPped, assemblable TASM file, and auto-generated HTML and PDF versions.

Thanks to Andrew Owen, Geoff Wearmouth, Rui Tunes, Paul Farrow for contributions.

128K ROM	ZIPped ASM	HTML		PDF
+2 ROM	ZIPped ASM	HTML		PDF
French +2 ROM	ZIPped ASM	HTML		PDF
Spanish +2 ROM	ZIPped ASM	HTML		PDF

Recent changes:

A change to the command class table. This was hard coded with offsets but these are now calculated.
A minor correction to the description of bytes sent over the MIDI port
A new diagram replacing ASCII art for register 13
Allocates a purpose to the last routine that needed a title

Mail me with comments

Other ROM disassemblies (48K ROM, Interface 1 etc.)