8085 Opcode Sheet Direct

The 8085 uses an 8-bit binary code for its opcodes, allowing for possible combinations. Out of these, 246 unique opcodes are utilized by the processor. 1. Data Transfer Instructions

These instructions perform arithmetic operations on data in registers and memory. They affect the flags (Zero, Sign, Parity, Carry, Auxiliary Carry). 8085 opcode sheet

The 8085 opcode sheet is an essential tool for programmers and engineers who work with the 8085 microprocessor. It provides a quick reference to the opcodes and their corresponding instructions, which is useful for: The 8085 uses an 8-bit binary code for

Create a visual wall chart. Hang a printed 8085 opcode sheet above your study desk. The more you glance at it while coding, the faster you recall. It provides a quick reference to the opcodes

(Operation Code), which tells the processor what to do, and the , which is the data or memory location to be acted upon.

The 8085 opcode sheet is a table that lists all 256 possible opcodes used by the 8085 microprocessor. Each opcode is represented by a unique 8-bit binary code, which is typically written in hexadecimal notation. The opcode sheet provides a concise and organized way to look up the opcodes and their corresponding instructions.

| Mnemonic | Description | Opcode (Hex) | Bytes | | :--- | :--- | :--- | :--- | | | Add Register to A | 80 - 87 | 1 | | ADD M | Add Memory to A | 86 | 1 | | ADI d8 | Add Immediate to A | C6 | 2 | | ADC R | Add Register with Carry | 88 - 8F | 1 | | ADI d8 | Add Immediate with Carry | CE | 2 | | SUB R | Subtract Register from A | 90 - 97 | 1 | | SUB M | Subtract Memory from A | 96 | 1 | | SUI d8 | Subtract Immediate from A | D6 | 2 | | SBB R | Subtract Register with Borrow | 98 - 9F | 1 | | INR R | Increment Register | 04 - 3C | 1 | | INX Rp | Increment Register Pair | 03, 13, 23, 33 | 1 | | DCR R | Decrement Register | 05 - 3