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TAOCP/Exercises

1. 1.3.1

1.1. 16.

0000~0099λ©”λͺ¨λ¦¬ 셀을 λͺ¨λ‘ 0으둜 λ§Œλ“œλŠ” ν”„λ‘œκ·Έλž¨

1.1.1. 강희경

λΉ λ₯Έ 방법은 아직 λͺ¨λ₯΄κ² λ‹€.
~cpp 
 STZ 0
 ENT1 1
 MOVE 0,1(99)

1.1.2. λ‚˜νœ˜λ™ 


~cpp 
 ENT1 100
 DEC1 1
 STZ 0,1
 J1NN 101
 
~cpp 
 ENT1 1
 STZ 0
 MOVE 0, (99)

1.1.3. κ³½μ„Έν™˜

짧은거 λΉ λ₯Έκ±° 상관없이 move이해전 move이해후
그리고 점프쓰렀면 λ ˆμ΄λΈ” 달아야 ν• λ“―
~cpp 
	ENT1 99
J1	STZ 0,1
	DEC1 1
	J1NN J1
	HLT 1
 
~cpp 
	STZ 0
	ENT1 1
	MOVE 0(99)

1.2. 17.

1.2.1. κ³½μ„Έν™˜

ν”„λ‘œκ·Έλž¨μ„ 3000λΆ€ν„° λ‘œλ“œν•΄μ•Ό λ˜λŠ”λ°... 아직 λͺ¨λ₯΄λŠ”κ²Œ λ§Žλ‹€
~cpp 
 	ENT1 0
J1	STZ 0,1
	INC1 1
	CMP1 0,2
	JLE J1
	HLT 1
 
~cpp 
	STZ 0
	ENT1 1
	MOVE 0(rI2) => μ΄λŸ°λ°©μ‹μœΌλ‘  λͺ» μ“°λ‚˜??

1.3. 18.

μš°λ¦¬κ°€ 같이 ν•œ 방법
~cpp 
		rA		rX		rI1		M		Cmp	Ovr
STZ 1								1: + 0 0 0 0 0
ENNX 1				- 0 0 0 0 1
STX 1(0:1)							1: - 1 0 0 0 0
SLAX 1		+ 0 0 0 0 0	- 0 0 0 1 0
ENNA 1		- 0 0 0 0 1	
INCX 1				- 0 0 0 0 9
ENT1 1						+ 0 1
SRC 1		- 9 0 0 0 0	- 1 0 0 0 0
ADD 1		- 10 0 0 0 0
DEC1 -1						+ 0 2
STZ 1								1: + 0 0 0 0 0
CMPA 1										LESS
MOVE -1,1(1)					+ 0 3		2: + 0 0 0 0 0
NUM 1		- 0 0 10000
CHAR 1		- 30 30 30 30 30  - 31 30 30 30 30
HLT 1

μ•„λ§ˆλ„ μ΄λ ‡κ²Œ μˆ˜μ •ν•΄μ•Όν• λ“―(INCX 1 λΆ€ν„° λΉ„κ΅ν•΄λ³΄μ‹œμ˜€)
~cpp 
		rA		rX		rI1		M		Cmp	Ovr
STZ 1								1: + 0 0 0 0 0
ENNX 1				- 0 0 0 0 1
STX 1(0:1)							1: - 1 0 0 0 0
SLAX 1		+ 0 0 0 0 0	- 0 0 0 1 0
ENNA 1		- 0 0 0 0 1	
INCX 1				- 0 0 0 0 63
ENT1 1						+ 0 1
SRC 1		- 63 0 0 0 0	- 1 0 0 0 0
ADD 1		- 0 0 0 0 0								ON
DEC1 -1						+ 0 2
STZ 1								1: + 0 0 0 0 0
CMPA 1										EQUAL
MOVE -1,1(1)					+ 0 3		2: + 0 0 0 0 0
NUM 1		- 0 0 10000
CHAR 1		- 30 30 30 30 30  - 31 30 30 30 30
HLT 1

1.4. 20.

1.4.1. κ³½μ„Έν™˜ 


~cpp 
	ENTA 0
	ENT1 1
	INCA 2
	SLA 1
	INCA 5
	STA 0
	MOVE 0(3999)
	HLT 1

1.5. 21.

(b) rI4에 주어진 Nκ³Ό rJλ₯Ό κ°™κ²Œ λ§Œλ“€κΈ°(0 ＜ N ≀ 3000)
ν”„λ‘œκ·Έλž¨μ€ 3000λΆ€ν„° μ‹œμž‘
ν”„λ‘œκ·Έλž¨ μ‹€ν–‰ 뒀에도 λͺ¨λ“  λ©”λͺ¨λ¦¬ μ…€μ˜ 값이 λ³€ν•˜μ§€ 말아야 함.

1.5.1. λ‚˜νœ˜λ™ 


~cpp 
 JMP 0, 4

1.6. 22.

λ©”λͺ¨λ¦¬ μ…€ 2000에 μ •μˆ˜ X
X^13이 rA에 λ“€μ–΄κ°€λŠ” ν”„λ‘œκ·Έλž¨ μž‘μ„±(X^13이 ν•œ WORDλ₯Ό λ„˜μ§€ μ•ŠλŠ”λ‹€κ³  κ°€μ •)

1.6.1. λ‚˜νœ˜λ™ 


~cpp 
 LDA 2000
 
 MUL 2000
 SLAX 5
 ...이 뢀뢄을 뒀에 12번 더 써쀌
 
~cpp 
 LDA 2000
 ENT1 13
 MUL 2000
 SLAX 5
 DEC1 1
 J1P *-3

1.7. 23.

λ©”λͺ¨λ¦¬ μ…€ 0200에 + a b c d e이 μžˆμ„ λ•Œ
+ e d c b a κ°€ rA에 μ €μž₯λ˜λŠ” ν”„λ‘œκ·Έλž¨ μž‘μ„±

1.7.1. λ‚˜νœ˜λ™ 


~cpp 
 LDX 2000, (1:1)
 SRC 1
 LDX 2000, (2:2)
 SRC 1
 LDX 2000, (3:3)
 SRC 1
 LDX 2000, (4:4)
 SRC 1
 LDX 2000, (5:5)
 SRC 1
 
~cpp 
 LDX 2000
 SLX 4
 SLAX 1
 LDX 2000
 SLX 3
 SLAX 1
 LDX 2000
 SLX 2
 SLAX 1
 LDX 2000
 SLX 1
 SLAX 1
 LDX 2000
 SLAX 1

1.7.2. 강희경 


~cpp 
 LDA 200
 STA 200(1:1)
 SRA 1
 STA 200(2:2)
 SRA 1
 STA 200(3:3)
 SRA 1
 STA 200(4:4)
 SRA 1
 STA 200(5:5)
 SRA 1
 RDA 200

1.8. 24.

1.8.1. λ‚˜νœ˜λ™ 


~cpp 
 SLAX 1
 STX 1
νœ˜λ™, STXλΌλŠ” λͺ…령문이 μ—†μ–΄--강희경

1.8.2. 강희경 


~cpp 
 SRC 5
 SRA 1
 SRC 5
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