WebD4 and D3 bits of the PSW are used to select the desired register bank, since they can be accessed by the bit addressable instructions SETB and CLR. For example, "SETB PSW.3" will set PSW.3 = 1 and select the bank register 1. ... For example, the instruction "PUSH 1" pushes register R1 onto the stack. Popping from the Stack. Popping the ... WebUSH-PUSH REGISTER PAIR ON STACK. This is a single byte instruction. The contents of the register pair specified in the operand are copied into the stack (1) The stack pointer is …
Explain PUSH and POP Instructions of 8085 - Shaalaa.com
WebDec 13, 2024 · PUSH/POP instruction works on only register pairs i.e. PSW, B-C, D-E, and H-L. For every PUSH instruction stack pointer decrement by 2 memory locations. … WebMay 26, 2024 · 20. Note that POP PSW instruction is useful in loading the flag register with any desied value. Suppose it is desired to load flags register with the value 66H.The following instructions have to be executed. MVI C, 66H PUSH B POP PSW 20 lps and inflammasome
Introduction of Stack based CPU Organization - GeeksforGeeks
WebIntel 8085 Instructions. An instruction of a computer is a command given to the computer to perform a specified operation on given data. In microprocessor, the instruction set is the collection of the instructions that the microprocessor is designed to execute.. The programmer writes a program in assembly language using these instructions. These … Web31. The second part of the instruction is the data to be operated on, and it is called _____ a) opcode b) operand c) instruction cycle d) fetch cycle 32. The first part of an instruction which specifies the task to be performed by the computer is called _____ a) opcode b) operand c) instruction cycle d) fetch cycle WebJul 30, 2024 · Instruction type LXI SP d16 in 8085 Microprocessor - In 8085 Instruction set, LXI SP, d16 instruction is a special case of LXI rp, d16. Using this instruction, we can load 16-bit immediate data/address on the Stack Pointer (SP). It occupies 3-Bytes in the memory. Mnemonics, Operand Opcode(in HEX) Bytes LXI SP 31 3 Let us consider a … lps and bacterial lung inflammation models