Question

RST full form in 8085​

Answer 1

Answer:

red interrupt mask

Explanation:

Read Interrupt Mask (RIM) – This instruction is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts. It also reads the condition of SID (Serial Input Data) bit on the microprocessor.

Answer 2

RST stands for Restart instructions

Explanation:

In 8085 microprocessors

RST stands for Restart instructions

RSt instructions are useful for branching to frequently used subroutines

for example :

RST n = CALL n*8

here , RST 4 is equivalent to CALL 4*8 i.e 32

i.e it has to call the CALL 32 operand

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