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Of the models with extended RAM, most (e.g. 16C5x, 16F5x) extend the register address space using the high-order bits of the FSR. A few (e.g. PIC12F529T39A) have a separate bank select register which can be set with this instruction. †: Extended instruction, only available on "enhanced baseline" PICs.
The RISC-V instruction set refers to the set of instructions that RISC-V compatible microprocessors support. The instructions are usually part of an executable program, often stored as a computer file and executed on the processor.
In computing, position-independent code [1] (PIC [1]) or position-independent executable (PIE) [2] is a body of machine code that executes properly regardless of its memory address. [ a ] PIC is commonly used for shared libraries , so that the same library code can be loaded at a location in each program's address space where it does not ...
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
Various older (EPROM) PIC microcontrollers. The original PIC was intended to be used with General Instrument's new CP1600 16-bit central processing unit (CPU). In order to fit 16-bit data and address buses into a then-standard 40-pin dual inline package (DIP) chip, the two buses shared the same set of 16 connection pins.
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A compressed instruction set, or simply compressed instructions, are a variation on a microprocessor's instruction set architecture (ISA) that allows instructions to be represented in a more compact format. In most real-world examples, compressed instructions are 16 bits long in a processor that would otherwise use 32-bit instructions.
The INC and DEC instructions do not modify the carry flag, so they may be used to loop over arbitrary-precision arithmetic operands. [1]: 84, 101 The CPC, SBC and SBCI (compare/subtract with carry) instructions do not set the Z flag when the result is zero, but only clear it if the result is non-zero.