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searching for Program counter 127 found (303 total)

alternate case: program counter

Little Man Computer (2,206 words) [view diff] case mismatch in snippet view article find links to article

known as the Program Counter. The Program Counter holds the address of the next instruction the Little Man will carry out. This Program Counter is normally

command, the program counter is at some position (state before the command is executed). Executing the command moves the program counter to the next command

unit maintains a local register state, an execution pipeline, and a program counter (PC) for each thread to accommodate multiple thread contexts. META

done using a separate hardware stack. Data registers (but not the program counter or flags) are memory-mapped. The ST6's addressing modes are limited

typewriter), and a panel with lights that indicate the current status of the program counter, registers, arithmetic accumulator, and system errors. Input/Output

a 16-bit word length. Each RALU chip stores its own 4 bits of the program counter, several registers, the ALU, a 16-word LIFO stack, and status flags

adjusts the address register by 1, a word by 2, and a long by 4. PC (program counter) relative with displacement Relative 16-bit signed offset, e.g. 16(PC)

ignored). 8 bits for each memory cell. Interrupt capability. 14-bit program counter. Seven-level, 14-bit call stack. Four condition code bits: carry (C)

Accumlator   MQ Multiplier/Quotient   SI Sense Indicator Index registers   XR1 Index 1   XR2 Index 2   XR3 Index 3 Program counter   PC Program Counter

bus, the 8061's M-Bus being a 'burst-mode' bus requiring a tracking program counter in the memory devices. There were also considerable differences in

knows what machine code to execute, based on its internal program counter. The program counter points to a memory address and is changed based on special

strings in memory 16-bit subtraction and 8-bit negation program looping program counter (PC) relative jumps block copy, block input/output (I/O), and byte

address registers of 21 bits wide. There are 8 special registers: program counter, interrupt stack pointer ISP, interrupt vector address register INTBASE

identification number for each process (also known as Process ID); Program Counter (PC) – a pointer to the address of the next instruction to be executed

accumulator (A), a 48-bit Auxiliary Arithmetic register (Q), a 15-bit program counter (P), and six 15-bit index registers (1-6). The Q register was usually

Accumulator   MQ Multiplier/Quotient   SI Sense Indicator Index registers   XR1 Index 1   XR2 Index 2   XR3 Index 3 Program counter   PC Program Counter

PCLSRing (also known as Program Counter Lusering) is the term used in the ITS operating system for a consistency principle in the way one process accesses

attacks, is to design the software so that it is "PC-secure" in the "program counter security model". In a PC-secure program, the execution path does not

second operand of any operation was implicit: the accumulator or the program counter (instruction address); program instructions specified only the address

had either 2 or 3 bits depending on the size of RAM on the part. The program counter was 6 bits wide, with "page" and "chapter" registers to address up

Frame Pointer R14 / SP Register 14 / Stack Pointer Program counter R15 / PC Register 15 / Program Counter Status flags   I V N Z C Processor Status Word  

and have no instruction fetch at run time. rDPUs do not have a program counter. Field-Programmable Logic: Architectures, Synthesis and Applications

Insert – Pressing this key with the computer in Manual mode reset the program counter (in the MARS core memory) to zero, switched the computer into Automatic

executing at current program counter location WRITE_PC Write a value to the program counter READ_PC Read the value of the program counter WRITE_X Write a value

Latest ARM with 26-bit program counter Acorn Archimedes ARMv2 1987–1992 0.20 3.1x — — — — ARM with 26- & 32-bit program counter Acorn Risc PC ARMv3 / v4

adjusts the address register by 1, a word by 2, and a long by 4. PC (program counter) relative with displacement Relative 16-bit signed offset, e.g. 16(PC)

looping over collections of data. R6 was the stack pointer, R7 the program counter. Since both of these registers were visible to the programmer, they

Address 4 A5 Address 5 A6 Address 6 Stack pointers A7 / USP Stack Pointer (user) A7' / SSP Stack Pointer (supervisor) Program counter PC Program Counter

operations involving 16 bits), two 16-bit registers X and Y, a 16-bit program counter, a 16-bit stack pointer and an 8-bit Condition Code Register. Unlike

31-16 of all virtual addresses comes from address bits 31-16 of the program counter. segmented mode – 32,768 segments of 64 KB (16-bit address; comprising

required to do so. The E-Box consists of a register file, a 32-bit program counter, a constant generator, a shifter and an arithmetic logic unit (ALU)

calling convention allocates the 16 general-purpose registers as: r15: Program counter (as per the instruction set specification). r14: Link register. The

successor, the PDP-8. The biggest change was that, in the PDP-5, the program counter was stored in memory location zero, while on PDP-8 computers, it was

PDP-8 this machine was equipped with the same register arrangement. Program counter, Memory Address, Memory Buffer, Accumulator and Switch Register which

through a fairly rigid separation of the instruction sequencing side (program counter, call-return stack, implied stack pointer, and interrupt enable bit)

During subroutine calls, it preserves a return address in a Shadow Program Counter link register. If a subroutine in turn calls another subroutine, it

base register for dynamically linked modules (object orientation) Program counter A typical processor status register, with a low-order user byte and

actually overly constrained by implicit serial dependencies (such as the program counter) and that one can introduce as much parallelism as possible without

supports two addressing modes: register indirect with displacement, and program-counter relative. The implementation has a single-issue 5-stage pipeline and

register H H register (indirect) L L register (indirect) Program counter P Program Counter 15-level push-down address stack AS Call level 1 AS Call level

00 (bit position)   A Accumulator   X X-register BU BM BL Mem pointer P (high) P (low) Program Counter SA Save Registers SB Status flags   F1   F2   C

directly and indirectly. So it adopts #1 as "the program counter" PC. The role of the program counter will be to "keep the place" in the program's listing;

different address sizes. For example, PIC18 microcontrollers have a 21-bit program counter to address machine code and constants in Flash memory, and 12-bit address

transmit register JMP @#1000  ; Jump back to start The deposit to the PC [Program Counter], sets the PC to the start of the program and the deposit to the PSW

no special I/O instructions. When the 6800 was reset, it loaded the program counter from the highest address and started execution at the memory location

no special I/O instructions. When the 6800 was reset, it loaded the program counter from the highest address and started execution at the memory location

architecture, and languages, where programs are not attached to a program counter. Along with his students, Dennis adopted the concepts of single assignment

allows, it is possible to handle the event and increment the processor program counter to "jump" over the failing instruction to continue the execution. Writing

    R6 R7     R8 R9     R10 R11     R12 R13     R14 R15   Program counter PC Program Counter Push-down address call stack PC1 Call level 1 PC2 Call level

modes into indexed direct and indexed indirect modes. It also has a program counter, called Register P, three "overflow and carry" registers for A, B and

and decremented when PUSH and PULL instructions are encountered. The Program Counter (PC) is automatically pushed or pulled to the stack during subroutine

the program counter and storing the result into a base register. This permits a program to generate 32-bit addresses that are relative to the program counter

05 04 03 02 01 00 (bit position) Main registers   A Accumulator PC Program Counter Program Status Word   CY AC FO BS 1 Stack Note: All other programmer-visible

processor. The XAP4 registers (all 16-bit) are; 8 General Purpose, Program Counter, Vector Pointer, FLAGS, INFO, BRKE, 2 Breakpoint. The XAP4 instructions

05 04 03 02 01 00 (bit position) A Accumulator Br Bd B (pointer) PC (high) PC (page) Program Counter SA Stack Registers SB SC Status flag C Carry Flag

index   Y Y index   Z Z index SPH SPL Stack Pointer B   Base Page Program counter PC Program Counter Status register   N V E B D I Z C Processor flags

Branch Always - Jump to address where offset has been added to the program counter, +127,-128. CLB - Clear Bits - Clear the contents of the bit specified

rI4, Index 4   ± I5.4 I5.5 rI5, Index 5   ± I6.4 I6.5 rI6, Index 6 Program counter   J4 J5 rJ, Jump Condition code flags   O Overflow flag   <=> Comparison

zero or stack pointer (SP) register (depending on instruction) The program counter (PC) is no longer directly accessible as a register Instructions are

EDI DI Destination Index EBP BP Base Pointer ESP SP Stack Pointer Program counter (16/32 bits) EIP IP Instruction Pointer Segment selectors (16 bits)

For memory addressing, seven 16-bit "B-Registers" were used. The program counter was also held in a writable "B-Register". See the table below for conventions

Pointer EBP BP Base Pointer ESI SI Source Index EDI DI Destination Index Program counter (16/32 bits) EIP IP Instruction Pointer Segment selectors (16 bits)

register is used for double-length arithmetic operations. The 16-bit program counter holds the address of the next instruction. A carry flag indicates arithmetic

registers for the instruction filter, the clock cycle counter and the program counter. The BD+ Virtual Machine applies memory protection by masking memory

Returns to the calling function, by popping the previous frame's program counter off the stack and jumping to it. The given epilogue will reverse the

Contains the address of the next instruction to execute; known as the program counter register. SW (9): Contains a variety of information, such as carry

virtual machine whose state is 4 32-bit registers (A, B, C, D), a 16 bit program counter, a condition flag bit, and two memory arrays, one of bytes (M) and

array. u 2000 1010 Unconditional transfer: Replace the number in the (program) counter register with the contents of the address portion of the unconditional

ignore-counted breakpoints; Enable/disable breakpoints; Moving the debug program counter; Debug unit tests; Tutorials and extra features for Django, Flask,

general-purpose registers, 8 target registers and a status word, containing the program counter. High-level control of job allocation across threads is not possible

to implement. Three digits of one accumulator (#6) were used as the program counter, another accumulator (#15) was used as the main accumulator, a third

execution of the program; a state typically consists of the value of the program counter and the memory locations (globals, stack and heap). More abstract semantics

20-bit registers, addressed via bits P11-P14. In addition the 20-bit program counter (S register), and the instruction register (K) were accessible.[citation

branch instruction (octal 000407 or hex 0107). Adding seven to the program counter showed that if this constant was executed, it would branch the Unix

MSP. The CSP loads code and data into main storage behind the MSP's program counter. As the MSP is working on one process, the CSP is filling storage for

which are used as special-purpose registers. H1, for example, is the program counter. The SYMB field of H1 is the name of the current instruction. However

Several other special-purpose registers are provided such as the program counter (P), link or subroutine return address (L), top-of-stack (TOS), plus

Procedure invocation involves the manipulation of four registers – the program counter, stack pointer, frame pointer and argument pointer – to transfer control

code for a square can be dialed out of a register and added to the program counter to index a jump table, branching directly to code to generate moves

memory program is using 12+19p Context number Ctx:1 Job state code ^C Program Counter PC:400275 Job state, INPUT WAIT or OUTPUT WAIT (only when CTRL/T is

data, direct address, register indirect, or indexed operands, even program counter-relative. Eight-bit operations had even more possibilities, including

stage in a pipeline that loads the next instruction referred to by the program counter. integrated circuit A miniaturised electronic circuit that has been

Strumpen, Saman Amarasinghe, and Anant Agarwal, "A 16-issue multiple-program-counter microprocessor with point-to-point scalar operand network," Proceedings

Daniel A.; Pugsley, Seth H.; Wilkerson, Chris (2017-05-12). "Kill the Program Counter: Reconstructing Program Behavior in the Processor Cache Hierarchy"

particular interrupt level has eight registers. Register zero is the program counter which gave the address of the next instruction to be executed; the

(giving the effect of string arguments), change the position of the "program counter" (giving the effect of control structures), or push values onto a value

register), and "MDR" (memory data register)." The architecture also uses a program counter ("PC") to keep track of where in the program the machine is. The term

possible to count up and down with a LFSR. LFSR have also been used as a Program Counter for CPUs, this requires that the program itself is "scrambled" and

Cells are erased with an eraser. A “bug” is provided to act as a program counter, and is placed in a hole beside the current memory cell. CARDIAC has

arithmetic and addressing operations. It had four registers. P was the program counter, R and E were special-purpose, and Q, which was used for 32-bit operations

containing USER or IOT bits: JSR: jump to subroutine JSP: jump and save program counter PUSHJ: push down and jump JRST: jump and restore All sensitive instructions

DEFINITION Program counter An interface around bytecode to keep track of traversing line-numbered instructions. refer to PROGRAM COUNTER DEFINITION This

magnitude of a division, as well as shifted bits. There was also a program counter, four index registers, and a 16-bit real-time clock register which

with 100 mailboxes (memory), a calculator (the accumulator) and a program counter. LMC is used to help students understand basic processor functions

return 0; } This makes an infinite loop because context holds the program counter. The Open Group Base Specifications Issue 6 IEEE Std 1003.1, 2004 Edition

in the last location of a page in memory, the highest 4 bits of the program counter are incremented by one, causing control to be transferred to the corresponding

bus, the 8061's M-Bus being a 'burst-mode' bus requiring a tracking program counter in the memory devices. There were also considerable differences in

looped with no changes), and then removed from the set and the next program counter retrieved. A combination of control flow analysis and data flow analysis

three hardware registers in the 990: the Workspace Pointer (WP), the Program Counter (PC) and the Status register (ST). A context switch entailed the saving

Hiss Evades Punishment". 26 September 2005. "Terrorism and Medicine Program: Counter-Terrorism Studies Professional Certificate" (PDF). The Institute for

"switching" requires saving and restoring allocated register values and the program counter to off-chip memory (or cache) and is therefore a much more heavyweight

different local address and offset to be executed without incrementing the program counter. The NZT instruction allows a conditional branch to be implemented

it was useless." Briggs Plan Carceral archipelago Combined Action Program Counter-insurgency New village Operation Ranch Hand Population transfer Villagization

addressing and three register sets (each consisting of an accumulator, a program counter and a carry/link bit) which could be used for interrupt processing

most aided by fault-tolerance are the address bus, stack pointer and program counter. "TOS" is an abbreviation of the "Top Of Stack." "NOS" is an abbreviation

multiplication and a remainder register (RR) applicable to division. The program counter register (P) holds the address of the instruction being read from memory

indirect jump through the initial location of the subroutine restores the program counter to the instruction following the JPS instruction. "Datamation". 16

initialize the stack pointer after reset.) and 0x00000004 for initial program counter (reset). The reset vector for 6502 processor family is a 16-bit address

as special-purpose registers: one register pair is defined as the program counter, another pair as the stack pointer, and one more pair as an index pointer

Unconditionally branch to direct memory 0 5 (Direct address) BSA Store current program counter to direct memory and branch to following address 0 6 (Direct address)

YIPL/TAP (Youth International Party Lines/Technological Assistance Program) counter-culture/Yippie meetings that were taking place in New York City's Lower

on punch cards in machine language and then start it by setting the program counter to the first command. Under program control, user data was then read

constant N: 4-bit constant X and Y: 4-bit register identifier PC : Program Counter I : 12bit register (For memory address) (Similar to void pointer);

Programmer-accessible registers are A (accumulator), B (extension), X (index), and P (program counter—14 bits), plus an overflow indicator. The 9300 has three index registers

the other thread. The addition of CMT required duplication of the program counter and the control, integer, and floating-point registers so there is

register, A: 'prepare to call the subroutine 10 COPY PC TO A ' copy the program counter (10) into the accumulator 11 JUMP ' jump to... 12 70 ' ... location

similar to the Brainfuck programming language. The language provides a program counter PC, a memory pointer P, and a temporary register used for 8-bit addition

variables in AV. Instead of using auxiliary variables, one can introduce a program counter into the proof system, but that adds complexity to the proof system

partial states between transitions. A token inside a place acts as a program counter identifying the current state of the system and multiple tokens may

also included four public hardware registers. These were the 16-bit Program Counter (PC), Stack Pointer (SP), Register Pointer (RP) and Condition Register

instructions (the other being ACR). 15-bit registers were used for the program counter (PCR) and memory address register (MAR), the later of which was used

reference to a codeword and this was resolved to a conventional address or program counter giving direct access to store when necessary. The system provided functions

Jump instructions - 2 kinds of Jump instructions which reload ANTIC's program counter (3-byte instructions) Character mode - 6 instructions to display character

New Circular Road, Mouchak, Malibagh, Area served Tiger Conservation Program, Counter Wildlife Trafficking, Water Sanitation And Hygiene (WASH) for climste

lui Load Upper Immediate rd, imm20 I auipc Add Upper Immediate to Program Counter rd, imm20 I mv MoVe rd, rs I sext.b move Sign EXTended least significant

(EXECUTE n) indicates the end of the program code and sets the initial program counter location when the program is run In addition to the Mnemonic Code,

02 01 00 (bit position) 0 0 0 0 0 0 0 0 Zero 0 0 0 0 0 0 0 * One RP Program Counter RA A Accumulator RB B Accumulator X1 Index 1 X2 Index 2 X3 Index 3