memory overlay

memory overlay

[′mem·rē ′ō·vər‚lā]
(computer science)
The efficient use of memory space by allowing for repeated use of the same areas of internal storage during the different stages of a program; for instance, when a subroutine is no longer required, another routine can replace all or part of it.
References in periodicals archive ?
CEVA-HD-Audio addresses those challenges with a complete set of optimized audio codecs, including memory overlay support that takes advantage of a generic DMA controller.
SerialICE-2 features the standard EJTAG interface, hardware breakpoints, software breakpoints in MIPS II and MIPS16, single stepping in hardware, DMA overlay and memory overlay.