3/15/2024 0 Comments Visual arm emulator big endianThe maximum size of addressable memory has a limit, which is most likely to be defined by the word size of the chip. Each memory location has an address, and each address refers to a single memory location. However, for explanation purposes only, we first introduce a word-addressable memory, and afterward describe the MIPS byte-addressable memory.Ĭolin Walls, in Embedded Software (Second Edition), 2012 1.3.2 Flat Single-Space Memoryįlat memory is conceptually the easiest architecture to appreciate. That is, each byte in memory has a unique address. The MIPS architecture uses 32-bit memory addresses and 32-bit data words. As described in Section 5.5, memories are organized as an array of data words. By using a combination of memory and registers, a program can access a large amount of data fairly quickly. For this reason, commonly used variables are kept in registers. Whereas the register file is small and fast, memory is large and slow. When compared to the register file, memory has many data locations, but accessing it takes a longer amount of time. However, data can also be stored in memory. If registers were the only storage space for operands, we would be confined to simple programs with no more than 32 variables. Harris, in Digital Design and Computer Architecture (Second Edition), 2013 Memory
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