No, it was a mix of opcodes and text, from "The Complete 48K Disassembly" "1B17:...

No, it was a mix of opcodes and text, from "The Complete 48K Disassembly"

"1B17: THE 'MAIN PARSER' OF THE BASIC INTERPRETER"

"1A48: THE SYNTAX TABLES"

You can read about "The Complete 48K Disassembly" on a recent HN post, https://news.ycombinator.com/item?id=23757449

Now, the Timex 2068 was a bit different, because its had more capabilities than the 48K, including a proper sound chip, the 48K compatibility was achieved via an extension Eprom.

Like these ones, https://k1.spdns.de/Vintage/Sinclair/Software/Timex%202068%2...