Question

Translate the following lines of assembly into C language.

MOV.w #0XF009, R5 ; move source to destination assign a hexadecimal value 0x08 to Register R5 ; Roll destination right and send LSB to Carry 1111 0000 0000 1001 -1111 1000 0000 0100 c-1 RRA. W R5 ; Roll destination right through Carry 1111 1000 0000 0100 -1111 1100 0000o 0010 c -o subtract source from destination ; 1111 1100 0000 0010 -0000 0010 1111 1100 RRC.W R5 R5 SWPB.W sign extension ; 1111 1100 -> 1111 1111 1111 1100 (bit 7 is 1) bits 8-15 are all set to 1 R5 SXT PUSH, CALL, and RETI will be discussed later

Answer 1

1. #include <stdio.h> 2. int main(void) 3. int a 5 ,b 4; 4. int temp temp a a b 5. 6. 7. b -temp; 8. return 0; 9. 10.} 11