Solve all or do not solve any

6. Which of the following is (are) illegal? (a) LDI R20, 500 (d) LDI R16, $255 (b) LDI R23,50 (g) LDI 123,050 (e) LDI R42, $25 (c) LDI R1,00 (f) LDI R23,0xF5 7. Which of the following is (are) illegal? (a) ADD R20, R11 (b) ADD R16, R1 (c) ADD R52, R16 39. Find the C flag value after each of the following codes: (a) LDI R20, 0x54 (b) LDI R23, 0 (c) LDI R30, 0xFF LDI R25, 0xC4 LDI R16, 0xFF ADD R20, R25 ADD R23,R16 ADD R30, R18