This has been common practice and often referred to as "big" real mode.
It runs in real mode but can make use of the high memory area.
It was an embedded chip that just didn't have real mode.
"I felt that got him into a real aggressive mode," the coach said.
It's in real mode, which is the way this code runs.
The 286 and later could also function in real mode, which imposed the addressing limits of the 8086 processor.
Used when 16 bits are not enough, identical to 80x86 real mode addressing.
Windows 3.1 removed support for real mode, and it was the first mainstream operating environment which required at least an 80286 processor.
On such a system, Windows was limited to real mode.
PCs have alternative means of masking bit 20 and returning to real mode now as well.