8086 / 88 Trainer kit (Vi Microsystems) Assembler Commands

8086 Trainer kit Assembler Commands

#A: Line assembler . This command is used to enter the mnemonics of 8086 and it gives the opcode for mnemonics

Syntax : #A <CR>

Enter user RAM address and program

RAM location : 1000H to 6000H

Eg:       #A <CR>

            #1000<CR>

#U: Disassembler. It gives the mnemonics and corresponding opcodes in the given address.

Syntax: #U<CR>

Enter user RAM <CR>

#SB  Substitute byte. This command is used to examine the contents of selected memory

locations and modify them.

Syntax: #SB <addr><CR>   

Eg:       #SW 2500  <CR>

                        Enter input 12

                        [2500] : 12

#SW  Substitute Word.

Syntax: #SW <addr><CR>   

Eg:       #SW 2500  <CR>

                        Enter input 1234

                        [2500] : 34  , [2501]:12

#GO Go and execute. The Go command is used to run the program.

Syntax: #GO<addr><CR>

Eg:       #GO 1000  <CR>

           

Procedure to enter a program

1. Switch on the 8086 kit, Type A and enter.

2. Type in the starting address and press enter.

3. Enter the mnemonics.

Procedure to enter data

1. Press INT key.

2. Type #SB address and press enter key.

3. Update the locations with desired bytes.

Procedure to execute the program

1. Press reset key.

2. Type #GO starting address of code and press enter key.

3. Press RES/INT Key

Key Functions

RES (RESET) : This key allows the user to terminate any activity and return to an initialised state.

INT (INTERRUPT) : This key allows use to interrupt any activity and return to the command prompt