Flashload

Found on:
"Ghostbusters"
"Great American Cross-Country Road Race, The"
"Hacker"
"Krypton Factor"
"Master of the Lamps"
"On-Court Tennis"
"On-Field Football"
"Rock n' Bolt"
"Star League Baseball"
"Web Dimension"
Loader files:
ROM Header 1
Contains only filename
ROM Data 1
Autostart, loads next file using ROM routines
ROM Header 2
Missing
ROM Data 2
Contains loader. Area encoded. Autostart code adds 0x21 to all bytes

Encoding:
Endianess:MSbF
Threshold:0x0118
Lead-in:256 x 1-bit + 1 x 0-bit
Sync:0x33
Byte:8 bits
0-bit:Short

Structure:
Header:Yes
Checksum:Yes
Header:
00-01   Load start address (Low-High order)
02-03   Load end address (Low-High order) (Inclusive)

Checksum:
EOR of all bytes excluding header. First byte after data is checksum byte.