$6.$ a$)$ Classify the control, conditional bits of the CPSR register in ARM. $(2$M$)$

b$)$ Apply the concept of MAC and find the register values after instruction is executed. $(3$M$)$

R$0=0$x$00000000,$ R$1=0$x$00000000,$ R$2=0$x$00003366,$ R$3=0$x$00006633$

UMULL R$0,$ R$1,$ R$2,$ R$3$

c$)$ Develop an assembly language program to implement stack $($full ascending, empty

descending$)$ and verify the push and pop operations using LDM and STM $(5$M