can u please do it step by step with a clear hand writing please please please t
ID: 2268435 • Letter: C
Question
can u please do it step by step with a clear hand writing please please please thank you
Use the following information regarding the contents of memory and CPU registers A, B, SP, Y and X and initial status of C VN Z flags in CCR register is given in the second row of the table. What are the contents of affected register/memory and C V N Z flags after execution of each instruction in column # 1 . You can use Table 1 for updating N Z V and C flags. Instruction SP E00 MEMORY Address Data CE03 BSET 5,Y, SEO CLR 6, X PSHX STAB 5, +Y CBA BEO NEXT NEXT EXG B, Y PULA INX A4 05 E06 E07 ID AB FE CEOA CEOB 0D CEOE EOF 10 80 12 F14 15Explanation / Answer
Instruction
SP
Y
X
A
B()
N
Z
V
C
$CF13
$CE00
$CE03
$02
$C0
0
0
0
0
LDAA 5, +X
-
-
$CE03
FE
-
1
0
0
-
BSET 5, Y, $E0
-
$CE00
-
-
-
1
0
0
-
CLR 6, X
-
-
$CE03
-
-
0
1
0
0
PSH X
$CF11
$CE03
-
-
-
-
STAB 5, +Y
-
$CE00
-
-
$C0
1
0
0
-
CBA
-
-
-
$02
$C0
0
0
0
1
BEQ NEXT
-
-
-
-
-
-
-
-
-
NEXT:
-
-
-
-
-
-
-
-
-
EXG B, Y
-
$CEC0
$00
-
-
-
-
PULA
$CF12
$CE
-
-
-
-
INX
$CE04
-
0
-
-
Memory contents in the order of instruction execution
Memory
Contents
$CE05
$E0
$CE09
$00
$CF11
$CE
$CF12
$03
$CE05
$C0
Instruction
SP
Y
X
A
B()
N
Z
V
C
$CF13
$CE00
$CE03
$02
$C0
0
0
0
0
LDAA 5, +X
-
-
$CE03
FE
-
1
0
0
-
BSET 5, Y, $E0
-
$CE00
-
-
-
1
0
0
-
CLR 6, X
-
-
$CE03
-
-
0
1
0
0
PSH X
$CF11
$CE03
-
-
-
-
STAB 5, +Y
-
$CE00
-
-
$C0
1
0
0
-
CBA
-
-
-
$02
$C0
0
0
0
1
BEQ NEXT
-
-
-
-
-
-
-
-
-
NEXT:
-
-
-
-
-
-
-
-
-
EXG B, Y
-
$CEC0
$00
-
-
-
-
PULA
$CF12
$CE
-
-
-
-
INX
$CE04
-
0
-
-
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