Yann Guidon / YGDESOne of the design constraints of the MC6809.
That quality of a program to execute properly when placed anywhere within the memory address map. Thus the program is independent of its position within the memory map.
(which means : void kludges !)
It's not enough to have a PC-relative addressing mode (particularly for a Harvard memory layout).
- to be discussed...
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RISC-V instruction set architecture is designed with the same position-independent code philosophy in mind. It's come in very handy for my Kestrel Computer project on several occasions.
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