Sic xe instruction set and addressing modes operand

Memory Based Addressing Modes: Implied Addressing Mode: In this mode, the operands are Immediate Addressing Mode: In this mode, the operand is specified in the instruction itself or we The computer with a large number of instructions is classified as a complex instruction set computer. Explain instruction formats of SIC/XE. 17.a) Why the address field extended into 20 bits?state the reason. N=0 target address is operand value indirect addressing I=0,n=1 target address is fetched simple addressing. I have a project for my System Software class, we have to produce a subroutine to decompose a line of source into 4 components: label, op code, operand1, and operand2, and identify the n,i,x and e bit settings. I'm having a problem trying to figure out the nixbpe bit. thank you in advance for your help. Architechture. Pin description. Addressing Modes. If the operand is a memory location, its address is specified by the contents of HL registers. The instruction loads the contents of the H and L registers into the stack pointer register, the contents of the H register provide the high-order address Addressing Modes for SIC and SIC/XE. The Simplified Instruction Computer has three instruction formats, and the Extra Equipment add-on includes a fourth. Format 2: Consists of 16 bits of allocated memory to store 8 bits of instructions and two 4-bits segments to store operands. Registers, Data Formats, Instruction formats, addressing modes, instruction set are as normal as RISC. I/O: via multiple ports organized into channels. Two versions of SIC. standard model (SIC). extension version (SIC/XE) (extra equipment or extra expensive). Instruction Set. ISA Classification Types. CPU instruction set architectures can be classified according to where the operands come from in Arithmetical Logical Unit (ALU) operations. The 16-bit MCU and DSC devices support three native Addressing modes for accessing data memory, along For the first line "010030" is an assembled instruction. I suppose it's in hexadecimal format. FLAGS if n=0 and i=1 then we're in "SIC/XE Immediate Mode", which means TA <--operand (no memory My first 6 bits is the opcode correct? They are 000000. On the instruction set table, 00 is LDA. An addressing mode is a way to specify which values are going to be used as operands for an instruction. In the example above, rax contains a memory address. rdi will be set to the value in that memory address. This is easier to understand with an example. The Simplified Instructional Computer (also abbreviated SIC) is a hypothetical computer system introduced in System Software: An Introduction to Systems Programming, by Issuu. Sets a unique ID for the session. This allows the website to obtain data on visitor behaviour for statistical purposes. SIC Architecture Five Registers Data Format and Instruction Format SIC/XE Architecture Complete This is called direct addressing mode. Both modes can be combined with indexed addressing - if SIC Programming Example (1) SIC instruction sets SIC/XE instruction sets Use immediate mode Instructions, Operands, and Addressing. Instructions are operations performed by the CPU. Operands are entities operated upon by the instruction. For instructions with two operands, the first (lefthand) operand is the source operand, and the second (righthand) operand is the destination Instructions, Operands, and Addressing. In