These source files were provided by Kevin Edwards.
There are a handful of differences between them, yet to be fully documented.
In addition there are a handful of utilities
- EINSTIN.SRC - A routine to get data from an Amstrad CPC parallel port
- INITVDP.SRC - A sample routine for initialising the Tatung VDP
- TAT_RS232.SRC - A routine to get data from a Spectrum serial port
Along with the instructions for the editor/assembler.