The Utility:

Gateway to Apshai - Utility - v1.01.zip

Gateway to Apshai - Utility - v1.01 - Source.7z

The ATR image (CRC32 0xD60949B2):

Gateway to Apshai - Disk Image.zip

The raw binary memory snapshot:

Gateway to Apshai - Memory Snapshot.zip

The disassembled and commented snapshot:

Gateway to Apshai - Disassembled Memory.zip

An Atari 8-bit windows emulator build with a native debugger:

Atari800Win PLus - v4.0.zip

BIOS of the Atari 8-bit for the emulator:

Atari - Bios.zip