05 Zadaci II Del

7/31/2019 05 Zadaci II Del

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-II -

:9. 09h

0Bh POCET, 1200bps 255 . , 0Ah 0Ch. P 8085. 4MHz.

: P 7 SIM

SOD , 6 1.Ts=0,5 S

1/1200=833S X*7=833 X=119

CEKAJ: IN 0Bh ; 0BhCPI 09h ; 09hJNZ CEKAJ ; 09hLXI H,POCET ; HL MVI D,255 ; ( 255)

PK: MOV A,M ;

CALL PRATI ; INX H ; DCR D ; JNZ PAK ; MVI A,0Ch ; OCh

OUT 0Ah ; 0hEND ;

DOCNI: MVI , 119d ; 833sLOOP: DCR ; 4

JNZ LOOP ;10 RET ; 14 * 0,5 s =7s * 119= 833s

PRATI: MVI C,8h ; CIKL: MOV B,A ; B

ORI 01000000 ; 6 1,

SIM ; 7CALL DOCNI ; 833 sMOV A,B ; ACCRLC ; 6

DCR C ;


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JNZ CIKL ; RET

10. OAh 128. AAh, a 55h. h. . 128 P.

:

N DS 1 ; MVI B,0 ; MVI C,1 ; MVI A,0STA N ; MVI L,0 ; MVI H,255d ;

VRTI: MOV A,C ; ANI FFhJNZ VRTIPUSH H ; max minEND

2Ch: CALL SERVIS ; 5.5RET


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SERVIS: LDA N ; RST 5.5INR A ; STA N

CPI 128d ; 128-JZ ZAPRI_MPSMOV A,B ; CPI 1dJZ VO_NIZA_SMEIN 0Ah ; CPI AAh ; JNZ KRAJINR B ; JMP KRAJ ;

VO_NIZA_SME:IN 0Ah ; CPI 55h ; JZ GOTOVOCALL MAXMIN ; min maxJMP KRAJ

GOTOVO: MVI C,O ; JMP KRAJ

ZAPRI_MPS: HLTKRAJ: NOP

RET

MAXMIN: CMP H ; min maxJM NOV_MINCMP LJP NOV_MAXJMP KRAJ1

NOV_MAX: MOV L,AJMP KRAJ1

NOV_MIN: MOV H,AKRAJ1: NOP

RET

11. 4P 8085. . P P . P IDLE 3.2 msec. 3 P . 3 , .

:


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microP1 microP3microP2

microPmaster

8212 8282

INT

STB

8212

8085A

RST 5.5 A8 A9

STB

8282

DS2

DS1`

OE`

INT

A8 A9

OUT 02h IN 02h

A10 A11 A12 A13

IN 01h


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MOV A,M ; OUT 01h ;

OUT 04h ; OUT 16h ; 3.2 msec.IN 02h ; 3.2 msec MOV B,AIN 08h ; 3.2 msec CMP B ; I JZ OK1 ; !JMP CRVENOOK1: IN 20h ;

CMP BJZ OK

CRVENO: MVI A,01XXXXXX ; 0 SODSIMJMP KRAJ

OK: MVI A,11XXXXXX ; 1 SODSIM

KRAJ: NOPEND

12. 8085 . , , 5 2 . .

:


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fosc =5MHz t=0,2sec ts=0.4sec214=16384 6.5 msec ;8156 max 6.5 msec

TH,TL 16000 6.4 msec ; TH TL 16000d, 8156 6.4 msec6.4*156=1000ms=1 sec ; 156 8155 1 sec.

THB EQU 00001 101TLB EQU 00001 100CSR EQU 00001 000

2Ch: CALL SERVIS_55RET

34h: CALL SERVIS_55RET

3Ch: CALL SERVIS_75RET

SERVIS_55: MVI E, 0CALL POLNI_TIMER ;

SERVIS_65: INR H ; RET

SERVIS_75: DCR C =0 1 JNZ


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DCR DJZ GOTOVO ;A C D 0 e 5 sec.MVI C,156d ;

CALL POLNI_TIMERJMP KRAJGOTOVO: MVI E,0 ;

KRAJ: NOPRET

POLNI_TIMER:MVI A,10111110 ;62d+128d( )=190OUT THB ; MVI A,10000000 ;128dOUT TLB ; MVI A,11XXXXXX ; OUT CSRRET

:

MVI , X0X01111b ; .SIMMVI H,0 ; .MVI C, 156d ; 1 MVI D,5d ; 5 MVI E,1 ;

MVI , X0X01110b ; RST 5.5SIMVRTI: MOV A,E ;

ANI FFhJNZ VRTIMVI , X0X01001b ; RST 6.5 RST 7.5SIMMVI E,1

LOOP: MOV A,EANI FFhJNZ LOOP

MOV A,H ; 2 CPI 2dJZ OK_E//NE SE VNESENI DVA BAJTI ; , . JMP KRAJ

OK_E://OK E ; , . KRAJ: NOP

END

13. P 8085. P 8085


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ROM . TRAP

P .

14. 16 8 8085. .

a. 16 P.

b. 8

.c. 8 .

d. 16 P.


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:

VRTI: MVI ,11X00XXX ; SIMJNP VRTIEND

2Ch: CALL SERVIS_55 ; RET

34h: CALL SERVIS_65 ; ;RET


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SERVIS_55: MVI A,01X00XXXb

SIM

MVI A,XXXXXX10b ; OUT 01hOUT 02hNOPMVI A,XXXXXX01b ; OUT 01hOUT 02hRET

SERVIS_65: MVI A,01X00XXXbSIMMVI A,XXXXXX10b ; OUT 01hOUT 02h

VRTI1: MVI C, 100dDCR CJNZ VRTI1MVI A,XXXXXX01b ; OUT 01hOUT 02h

VRTI2: MVI C, 100d

DCR CJNZ VRTI2RET

15. 8085 . 0.5 s. , , ,

. .


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Fosc=5MHz 5000 2ms, 0,5 sec, 250

.T=0,2 s

Ts=0,4 s

3Ch: DCR BRET

MVI A, 11010011b ; 19, 5000/256=19 136 OUT THBMVI A, 10001000b ; 136OUT TLBMVI A,11XXXXXXb ; OUT CSR

INIT: MVI B,250dPAK:MOV A,B

ANI FFh THB EQU 00001 101JNZ PAK TLB EQU 00001 100POP D CSR EQU 00001 000IN 01hCMP DJC STOPCMP EJNC STOPMVI A,11XXXXXXb

SIM

PCHPCLT1

T2

SP


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JMP INITSTOP: MVI A,01XXXXXXb

SIM

HLTEND

16. 8 X [B/s].

- 8- 8- CLKIN .

- - TR 8- CLKIN.

- - RCV 8- CLKIN.

- 1 - INT : , , .

. 5MHz.

:

MVI A, 0000XXXXb ; OUT 02h

JAMKA: JMP JAMKA

2Ch: CALL DATARET

DATA: IN 01h

CPI 1hJZ U1_do_U2CPI 2hJZ U2_do_U1CPI 3hJZ DVONASOCNOJMP KRAJ

U1_do_U2: LDA CSR_PRIV ; 8155 ACCOUT CSR ; CSR . 8155MVI A,1001XXXXb


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OUT 02hJMP KRAJ

U2_do_U1: LDA CSR_PRIV ; 8155 ACCOUT CSR ; CSR . 8155MVI A,0110XXXXbOUT 02hJMP KRAJ

DVONASOCNO:LDA CSR_PRIV ; 8155 ACCOUT CSR ; CSR . 8155MVI A,1111XXXXbOUT 02h

KRAJ: NOPRET

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05 Zadaci II Del