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I’m actually writing a new low level API to allow access to the swap. The underlying idea is to provide large memory area for elf binaries. Existing implementation looks for a contiguous memory area available in RAM. New implementation shuffles swap area to a mosaic of 256 bytes pages. It has many advantages to the existing implementation.
memory is pushed to the limit in low memory condition
no more relocation is required, memory offset is always available from $2000 to $FFFF.
elf binary loading (PHT) is unlimited are and thus more compliant to elf rules, a good example is a C compiled binary with CODE, DATA and BSS sections anywhere in the Z80 address range
OS_Swap is the new API with 2 reason call : SW_AL to allocate a contiguous memory area, SW_FR to free allocations and restore previous state. Swap area has been extended to 56K (1 more 16K bank).
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