Ok, looks like the module table could be at 0:FC4 for this BIOS. Will see if I can figure anything further out.
Try ngen/5_img_set2/dev11-* (Assembler/Linker/Debugger) or hic-* (High C Compiler) The assembler is probably the smaller application.
EDIT: One more thing, do you know, or can you find where the ROM for the Winchester/Floppy module is mapped to? Based on the BIOS, it looks like 3BFE:0000, the first four bytes are 00, 10, 54, and 53.