My working environment will be Windows-XP and DOS.
As communicate software for the ES-1800 I am using WIN HyperTerminal (VT100 Terminal) via a USB-RS232 converter - had to make the correct modem DB25-DB9 connector.
Nearly all tools in the 1980s used a terminal/RS232 (I worked with from the 80s to the 90s on 8080, Z80 , 8088, 8051, 68000 and NEC 75x 4-bit CPU).
The ES-1800 allows to up- and download code and symbols - only need the files in the correct Motorola S-File format, not a big deal.
For the run-time SW I will use a DOS based 68k Cross Assembler (ASM is best for that kind of emulators with limited symbol support).
As I plan to "debug" my DATRON 1281 FW - I Need to be as close as possible to the org-FW and thus have to stick with assembler anyhow.
But I will start using the ES-1800 emulation RAM (128k) - the tool copies a given range from the ROM into the internal RAM and maps the RAM instead of that ROM.
So you are able to "peek" & "poke" (quick edit) the code in the "real" HW.
I also have some cross-compiler (cc68k, GNU68K and 4k limited Cosmic), but will probably use only for some test programs.
(had the idea to adopt the ES-1800 communication to an old selfwritten DOS based IDE, which build a TurboDebug similar interface between a ASCII Terminal based emulator and an DOS Assembler. But that program I have written in the early 90s using TurboPascal - thats such long time ago...)
/PeLuLe