Four LEDs are connected to Port 4, bits 0 thru 3. Indicate which LEDs are ON/OFF after each instruction is executed.

Quiz 4.1

mov.b #0x0f,&P4DIR

1. and.b

#0xf0,&P4OUT

2. bis.b

#0x09,&P4OUT

3. xor.b

#0x0f,&P4OUT

4. bic.b

#0x06,&P4OUT

5. add.b

#0x03,&P4OUT

P4.7

P4.6

P4.5

P4.4

P4.3

P4.2

P4.1

P4.0

Quiz 4.2

1. ALU

2. Clocks

3. Control

4. I/O

5. Memory

6. Peripherals

7. Registers

a. Address space

b. Execution speed

c. External devices

d. Fast memory

e. Finite State Machine

f. Memory mapped

g. Word length

Match the following terms:

Nam

e___________________

Sectio

n_______

Quiz 4.3

1. add.w tab(r10),r9

2. and.w &mask,r12

3. bis.b #0x08,r6

4. mov.b cnt,r11

5. mov.w r4,r5

6. mov.w #100,r14

7. sub.w @r4+,r5

8. xor.b @r8,r15

a. Absolute

b. Constant

c. Immediate

d. Indexed register

e. Indirect auto-increment

f. Indirect register

g. Register

h. Symbolic

Match the following source operand modes:

PCPCPCPC

Quiz 4.4Present the destination operand of the following instruction to the ALU: add.w r4,cnt ; M[cnt] += r4

cnt

Memory

Registers

CPU

ADDER

IR

PC

ALU

0x5480

R40x021

8

0x5480