1.What are the various registers in 8085?Accumulator register, Temporary register, Instruction register, Stack Pointer,Program Counter are the various registers in 8085 .2.What is Stack PointerStack pointer is a
- So in such cases when the cpu is ready for an input but there is no such valid data then the system gets into WAIT state. In this scenario the pin 35 ( ready pin )is put into a low state. - As soon as there is some valid data for the 8085 the system comes off the WAIT s...
- As soon as the INTA signal goes low a new opcode is placed on the data bus for transfer. - Once the new instruction is received the processor saves the address of new instruction into the STACK and an interrupt service subroutine begins....
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It also had no Stack in the traditional sense, it just stored the PC for a return. Logged Best Regards, Chrismiken Regular Contributor Posts: 102 Country: Re: What kind of code is on 1980's, 1990's scope's/etc ? « Reply #42 on: March 29, 2020, 02:21:04 am » [...
Also, it is possible to handle a maskable interrupt after executing the current instruction, but when non-maskable interrupts occur, the current instructions and status are stored in stack for the CPU to handle the interrupt. Examples Furthermore, RST6.5, RST7.5, RST5.5 of 8085 microprocessor ar...