.


:




:

































 

 

 

 


HL SP




 

(SP) ß (HL)

 

 

(SP) ß (<3><2>)

 

 

.

: (), (DE), (HL), PSW

 

 

 

: PUSH B; .

 

 

 

: D;

(DE).

 

.

 

, .

 

.

 

() ß (<3 ><2>)

 

(SP)ß(SP)- 2

 

 

(PC)L ß(SP) (SP)ß(SP)+2

(PC)H ß(SP)+1

 

, assembler AVSIM 85.

 

 

, AVSIM 85.

  1. () .
  2. .
  3. .
  4. (obj)

(hex)

  1. .
  2. .

 

.

 

1 . 4- , .

 

Q =5 Q = 8

ANI 0F (A)ß(A)^ 0F

2 . .

 

 

3 . .

. asm

 

Test3.asm

 

outport equ 1

Qn equ 5

Qk equ 8

Include init.asm

Begin:

MOV C, Qn

M1

MOV A, C

OUT outport

DCR C

MOV A,C

ANI 0F

MOV C,A

CPI 7; (Qn-1)

JZ Begin

JMP M1

Include stack.asm

END

 

.

- =28=256, - =216=65536.

( ) , , .

 

.

 

DEL equ 0608C h

Begin:

MOV B,C

CALL DELAY

DELAY LXI B,DEL;(BC)ßDEL

NOP

NOP

DCX B;(BC)ß(BC)-1

MOV A,C

ORA B

JNZ DELAY

JMP Begin

 

 





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