Push instruction pushes two byte of data on the top of the stack.
If this is a homework assignment, you really should try to answer it on your own first, otherwise the value of the reinforcement of the lesson due to actually doing the assignment will be lost on you.The call-return and push-pop instruction sequences on the 8085 are similar in that each pushes something on the stack and then pops something off the stack.In the case of call-return, that something is the program counter. In the case of push-pop, that something is up to the programmer, and it can be one of AF, BC, DE, or HL.
With considerable ease - I found the manual on the internet. Looking at the front of the handset - there is a removable 'hatch' on the right-hand edge of the case. The microSD card slot is under that. simply push the memory card in until it 'clicks'. Press it again until it clicks to remove it.
The Production Budget for Push was $38,000,000.
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Push! Push Back! For every action, there is an equal and opposite reaction.
Processor status word ( PSW ) in the case of 8085 refers to the collection of the values of the flag register and accumulator. It is used with the command push: PUSH PSW With this command, the proccessor saves the value of accumulator (A) and the values of the flag bits to the stack.
To reset the pending RST 7.5 instruction in the 8085, you need to execute a SIM instruction with a particular value in the accumulator. PUSH FLAGS MVI A,10H SIM POP FLAGS Of course the PUSH and POP are optional, if you don't need to preserve the value of the accumulator.
In the 8085 microprocessor, the stack is decremented by 2 during a push instruction because each push operation stores 16-bit data (2 bytes) onto the stack. The stack grows downwards in memory, so to accommodate the new data, the stack pointer (SP) is first decremented by 2 before the data is written to the memory location pointed to by the SP. This ensures that both bytes of the data are stored correctly in consecutive memory locations.
If this is a homework assignment, you really should try to answer it on your own first, otherwise the value of the reinforcement of the lesson due to actually doing the assignment will be lost on you.The call-return and push-pop instruction sequences on the 8085 are similar in that each pushes something on the stack and then pops something off the stack.In the case of call-return, that something is the program counter. In the case of push-pop, that something is up to the programmer, and it can be one of AF, BC, DE, or HL.
yes the processor does all the calculations and the RAM helps to push it through
(b) -> ffffh (c) -> fffeh fffeh -> sp
; Exact answer: LXI H, FFFFH push H POP PSW
Deferent is F, which is added with Push by wrongly.
Block transfer in 8085... PUSH FLAGS {optional, if registers need to be saved} PUSH B PUSH D PUSH H LXI H,COUNT LXI B,SOURCE LXI D,DESTINATION LOOP LDAX B STAX D INX B INX D DCX H MOV A,H ORA L JNZ LOOP POP H {optional, if registers need to be saved} POP D POP B POP FLAGS
A possible program to reverse a block of memory using the 8085... PUSH F SAVE PROCESSOR STATE - OPTIONAL PUSH B PUSH D PUSH H LXI H,{address of block} MOV D,H SAVE BLOCK ADDRESS MOV E,H MVI A,{size of block} MOV C,A SAVE BLOCK SIZE LOOP1: MOV A,M GET DATA BYTE PUSH F PUSH ON STACK DCR C DECREMENT LOOP COUNT XRA A TEST FOR END OF LOOP CMP C JNZ LOOP1 MOV H,D RESTORE BLOCK ADDRESS MOV L,E MOVE C,B RESTORE BLOCK SIZE LOOP2: POP F POP FROM STACK MOV M,A PUT DATA BYTE DCR C DECREMENT LOOP COUNT XRA A TEST FOR END OF LOOP CMP C JNZ LOOP2 POP H RESTORE PROCESSOR STATE - OPTIONAL POP D POP B POP F
The CPUID is unique to the processor model. Although Intel at one time tried to push a unique number for each individual processor, they no longer do this.
The value being pushed (push [value]) is placed on the top of the stack (esp) and the size of the value is added to esp.