Tuyển Tập Đề Thi Vi Xử Lý _ Trang 6

Ngy 6 thng 6 nm 2014 Tuyn tp thi Vi X L | Trang 6

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Ti liu Sch s Sch ni Truyn tranh B su tp Thnh vin Ti ln

Tuyn tp thi Vi X L

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TUYEN TAP DE THI OLYMPIC

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chanh chua

Bi tp lp trnh

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Theo di

Ni No C Em (781 ti liu)

(6 ngi theo di)

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44 trang

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6 trang

99 trang

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38 trang

216 trang

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114 trang

Ti liu Sch, ti liu v b su tp ... Cng ng

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II. PHN T LUN

Cu 1: (2 im) Vit li hm sau bng ASSEMBLY cho 8086 (kiu int 2by

int FindFirst(int x, int A[], int N) {

int res =-1, i=N-1; while(i>=0) { if(A[i]==X) {

res =i; break; } i--;

}

return res; }

Cu 2: (2 im) Thit k b nh cho 8086 vng a ch 20000H5FFFFH t

Cu 3: (1 im) PPI 8255 c a ch ca CWR l C06H, chn A1 v A0 c

A2 v A1 ca 8086. Cng A ni vi 8 LED n nh hnh v. Hy lp trnh

ln lt vi chi k 1s. Gi thit hm delay 1s cho trc v ti mt thi im ch

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thi k thut Vi x l

T 1,2,3,4,5,6,7,8 K48 Thi gian : 90 pht

Cu 1 ( 3 im ) Trnh by cc khi nim sau : Qun l b nh theo ch thc X l pipelining Little endian b big endian Ch a ch gin tip qua thanh ghi Vo ra theo kiu hi vng DSP Cu 2 ( 2 im ) Mt h vi x l bao gm vxl 8086 ghp ni vi 48 KB 2764 (8K*8) v 128 KB SRAM s dng cc IC SRAM ging ht nhm a ch cho EPROM c thc hin bi 74LS139 vc thc hin bi 74LS138 Cho gi tr hin ti ca cc thanh ghi : CS = 0600H , IP,BX = 8000H Gi thit rng chng trnh v d liu c lu trong Rc thc hin l lnh MOV AL,[BX+1] , lnh ny u tin ca IC th 2 thuc bank thp .Khi thc hin ltin ca IC th 4 thuc bank cao s c truy cp Hy v s ghp ni 8086 vi b nh EPROM v SRt trn Cu 3 . (2 im) a.Hy vit chng trnh assembly cho 8086 thc hin

Dell XPS 13z L321x(203-12290) (Intel Corei5-2467M 1.6GHz, 4GBRAM, 256GB SSD, VGAIntel HD Graphics 3000,13.3 inch, Windows 7Home Premium 64 bit)Ultrabook

Gi: 16.500.000 - vn

Sym Shark 125 en

Gi: 38.200.000 - vn

Sn phm HOT 2014:

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Nhng Ton mn hnh 7 / 53Ti xung 10,000Thch 0



II Cu1: Trnh by cc khi nim: - ghp ni bng ngt - Vi iu khin - DMA - Hyperthearding v dual core - Lm ti Dram Cu 2: Mt h VXL bao gm VXL 8086 ghp ni voi 24KB E(4K*8) v 64KB SRAM s dng cc IC SRAM ging hGii m a ch cho EPROM c thc hin bi 74LS138SRAM c thc hin bi 74LS139. Cho gi tr hin ti ca cc thanh ghi: CS = 0300H, IP = = 000EH Gi thit rng chng trnh v d liu c lu tr tron[BX + 3] , lnh ny c lu tr ti cc byte nh u tithp. Khi thc hin lnh ADD ny, byte nh u tin cs c truy cp. Hy v s ghp ni 8086 vi b nh EPROM v SRmiu t trn Cu 3: a). Hy vit chng trnh assembly cho 8086 thc hin 1. Nhp vo 1 s nguyn N (



Hng dn gii vi x l Phn I : Ghp ni 8086 vi b nh Bi tp : ( thi vi x l ln I nm hc 2005-20Mt h VXL bao gm VXL 8086 ghp ni vi 24

(4K*8) v 64KB SRAM s dng cc IC SRAM ging hGii m a ch cho EPROM c thc hin bi 74LS138SRAM c thc hin bi 74LS139. Cho gi tr hin ti ca cc thanh ghi: CS = 0300H, IP =

DS = 0BFFH, BXGi thit rng chng trnh v d liu c lu tr

ADD AL, [BX + 3] , lnh ny c lu tr ti cc byte thuc bank thp. Khi thc hin lnh ADD ny, byte nhthuc bank cao s c truy cp. Hy v s ghp ni 8086 vi b nh EPROM c miu t trn.

Gii : * ROM :

- Do ROM phi cha a ch khi ng ca CPU l

ch kt thc ca ROM l FFFFF H. - M 24KB = 0000 0110 0000 0000 0000 = 06000 a ch u = a ch cui Dung lng + 1 = FFFFF 06000 + 1 = FA000 H - Ta c : 4K = 22 x 210 = 212 a ch thay i : A1 A12 a ch gii m : A A

6 IC dc

4K x 8bit 24K x 8bit

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1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1 1 0 1 1 0 1 1 1 1 1 1

0 0 1 1 0 0 1 1

a ch ca cc IC :

- IC 1 : FA000 H FBFFE H - IC 2 : FC000 H FDFFE H - IC 3 : FE000 H FFFFE H - IC 4 : FA001 H FBFFF H - IC 5 : FC001 H FDFFF H - IC 6 : FE001 H FFFFF H Hnh v :

A1 A 12

74LS138

G1

G2A

G2B

5

7

6

A13 A14 A15

M/IO A16 A17 A18 A19

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- Do bit A16, A17. A 18, A19 = 0 (ko thay i) nn ko thLS139 --> mi bank ch c ti a 4 IC. Tng cng cn dn 64K : 8 IC = 8K --> loi SRAM l : 8K x 8 bit.

- Ta c : 8K = 23 x 210 = 213 Bit d liu : A1 A13 Bit iu khin : A14 A15 T a ch ca IC 4 thuc bank cao ta tnh ngc lithuc bank cao l : 00001 H. Vy a ch u ca IC 1 thuc bank thp l : 00000 Di c lm vic ca SRAM l : 00000 H 0FFFF

A19A18 A17A16 A15A14 A13A12A11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 1 0 1 1 0 1 0 1 1 1 1 0 0 0 0 0 1

0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0

8 IC dc

8K x 8bit 64K x

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Generate time = 0.0626399517059 s. Memory usage = 13.2 MB

Thng tin ti liuNgy ng: 04/06/2014, 00:10

Xem thm

T kha: gii bi tp vi x l, lp trnh assembly, thi vi x l, n tp vi x l, trc nghim vi x l, ghp

ni 8086.

Xem thm: Tuyn tp thi Vi X L, Tuyn tp thi Vi X L, Tuyn tp thi Vi X L

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