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Little Computer 3, or LC-3, is a type of computer educational programming language, an assembly language, which is a type of low-level programming language.. It features a relatively simple instruction set, but can be used to write moderately complex assembly programs, and is a viable target for a C compiler.
The Hack assembly language assembler recognizes some predefined symbols for use in assembly language programs. The symbols R0, R1, …, R15 are bound respectively to the integers 0 through 15. These symbols are meant to represent general purpose registers and the symbols values therefore represent data memory addresses 0 through 15.
The assembly instruction nop will most likely expand to mov r0, r0 which is encoded 0xE1A00000 (little-endian architecture). [4] ARM T32 (16 bit) NOP: 2 0xb000 Opcode for ADD SP, #0 - Add zero to the stack pointer (No operation). The assembly instruction nop will most likely expand to mov r8, r8 which is encoded 0x46C0. [5] ARM T32 (32 bit) NOP ...
LC3 (codec), a Bluetooth audio codec; Rocket launch sites : Cape Canaveral Air Force Station Launch Complex 3, a deactivated US Air Force launch site; Vandenberg AFB Space Launch Complex 3, a NASA launch site that has been used by a variety of rocket systems; Xichang Launch Complex 3, an active rocket launch site in the People's Republic of China
Nevertheless for the most common targets the LLVM MC (machine code) project provides an assembler both as an integrated component of the compilers and as an external tool. Some other self-hosted native-targeted language implementations (like Go , Free Pascal , SBCL ) have their own assemblers with multiple targets.
MMIX-dependent Features [10] for GNU as from GNU Binutils version 2.29, the assembler back-end for GNU GCC (GNU Binutils Web site). The above tools could theoretically be used to compile, build, and bootstrap an entire FreeBSD , Linux , or other similar operating system kernel onto MMIX hardware, were such hardware to exist.
Sign extension (sometimes abbreviated as sext, particularly in mnemonics) is the operation, in computer arithmetic, of increasing the number of bits of a binary number while preserving the number's sign (positive/negative) and value.
For example, through the use of macro-assembler-like capabilities, Digital Equipment Corporation used their MICRO2 microassembler for a very wide range of computer architectures and implementations. If a given computer implementation supports a writeable control store , the microassembler is usually provided to customers as a means of writing ...