Synthetic Cartoonz wrote:
It was. The hardware really limited things back then. Remember memory mapping etc?
You mean bank switching ? MMUs (Memory Mapping Units) are part of modern processsors last time I looked.
There was memory mapping in external hardware. As I recall, there were some boards that used the "LIM" (Lotus, Intel, Microsoft) standard for memory mapping boards in the XT systems. When the 286 came out, they were no longer necessary. I also used to work on Data General mini-computers. They could normally access 32 Kbytes, but with the addition of a memory mapping board, they could (IIRC) go to 2 MB. With the memory mapping boards, you could relocate blocks of memory into the normal address space. Also, I believe that Zilog made a version of the Z80, the Z180, which could do memory mapping.