DSP

Question 4: There is a program given below, Complete this program by filling all the blanks and calculate the output. (18 Marks) .title "example.asm"; Name the Assembly source .mmregs: Define memory image registers STACK usect "Stack", 10h; allocate the stacking space of 10h cells .bss a, 4; Allocate 4 units of space for coefficient a L(A); Allocate 4 units of space for variable X .bss y,1; Allocate 1 units of space for result y def start; Define label start data; Defining a Data snippet table: .word 1,1,2,2; Assignment in 8 cells starting at the label table (B); Assign an initial value to these 4 cells 1,2,3,4 text; Define a text snippet Start: STM #0, SWWSR; software wait status register set 0, no wait STM #STACK+10h, SP; Set stack pointer initial value (@__; Set ARI address pointer RPT #7; From program memory to data memory MVPD table, * AR1+; Repeat 8 data transfer CALL SUM; The subroutine that calls sum to implement multiplication end: B end; Loop wait Sum: STM #a, AR3; Assign the address of coefficient a to AR3 _(D__; Assigning the address of variable X to AR4 RPTZ A, #3; will be a clear 0, and repeat the following instructions 4 times (E)__; Multiplication and accumulation, with the result in A STL A,@y; send a low word content to result unit y RET; End subroutine End; All Programs Calculation result y= (E)