Dynamite_MidExtend Inserts or deletes bytes at a given offset within a block
On entry R0 = address of block anchor
R1 = offset within block to add or remove bytes
R2 = signed number of bytes to add
On exit R0 preserved
R1 = address of block, which may have moved
Interrupts Interrupt status is not defined
Fast interrupts are enabled
Processor mode Processor is in SVC mode
Re-entrancy SWI is not re-entrant
Use This call will, depending on whether R2 is positive or negative, insert or remove bytes from a Dynamite block starting at the offset given in R1. This may of course cause the block's size to change. Always after a call to Dynamite_MidExtend, the data that was previously at offset R1 is moved to offset R1+R2.
The diagrams below show the effects of inserting or removing bytes from a block:
Diagram 1: Inserting bytes
Diagram 2: Removing bytes
This SWI may cause blocks to move within the Dynamite heap.
Related SWIs * Dynamite_Resize
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