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by teo_zero
589 days ago
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Not only jumps. The Motorola 68000 has a relative addressing mode where any sufficiently near address can be expressed as PC+offset. Offset is 16 bits, thus covering a local range of ±32kB, with the additional benefit of being position-independent, a valuable feature for systems without virtual memory. Having learned to program for the Amiga before Intel-based PCs, I was shocked when I realized that the latter are missing that basic feature and position-independent executables must go through run-time relocation! |
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