a) PUSH ADD R6, R6, #-1
STR R0, R6, 0
Explanation: For ADD in PUSH operations, we have to decrement the stack pointer by 1 and #-1 is denoting that and STR helps in storing the result.
b)
a)Complete the following LC-3 PUSH routine. Assume R6 is the stack pointer, st grows towards 0...
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