OPERATING M86
OPERATING M86-02
8086 BASED MICROPROCESSOR
--------------------------------------After power on the system we have the following text displayed on LCD. If the text is not displayed, press reset button. (Note reset always brings LCD to this initial position). Press enter to see the main menu as shown
The following we describe the function of each command A= ASSEMBLE
This command is used to convert input assembly language into the machine language. To activate simply press ‘A’ on main menu. After the command, ‘A’ will appear on the screen. Assembly language can be input now but first we have to specify the memory location where to store the program for this first enter the segment address and then the effective address.
If nothing is enter then the default address of 0000:0400 is selected. From now onwards user can enter his program in assembly language by using keyboard. e.g.
The following keys should be remembered to enter the code. a. For moving forward backward use ‘ ’ ‘ ’ keys. They take you from one word to another word.
b. After entering one line press enter. This moves the processor to the next memory position. c. To view previous entered command the ‘ ’ key can be used but it also erase the contents of current location.
d. Backspace key can be used to left shift the courser by one position and in case of error the code the user must overwrite the error code.
e. Extra code can be removed by spacebar key.
f. Pressing F7 key will return the LCD to the main menu. D=DISPLAY
‘D’ is used for displaying the data content of the ram. It can also be used for changing the content of the RAM. It shows the contents in the machine code. User should specify the address location to see its content if no address is type the default address
(0000:0400) contents are shown. The up and down keys are used for showing next or previous address contents. Press F7 to return to main
8086 BASED MICROPROCESSOR
--------------------------------------After power on the system we have the following text displayed on LCD. If the text is not displayed, press reset button. (Note reset always brings LCD to this initial position). Press enter to see the main menu as shown
The following we describe the function of each command A= ASSEMBLE
This command is used to convert input assembly language into the machine language. To activate simply press ‘A’ on main menu. After the command, ‘A’ will appear on the screen. Assembly language can be input now but first we have to specify the memory location where to store the program for this first enter the segment address and then the effective address.
If nothing is enter then the default address of 0000:0400 is selected. From now onwards user can enter his program in assembly language by using keyboard. e.g.
The following keys should be remembered to enter the code. a. For moving forward backward use ‘ ’ ‘ ’ keys. They take you from one word to another word.
b. After entering one line press enter. This moves the processor to the next memory position. c. To view previous entered command the ‘ ’ key can be used but it also erase the contents of current location.
d. Backspace key can be used to left shift the courser by one position and in case of error the code the user must overwrite the error code.
e. Extra code can be removed by spacebar key.
f. Pressing F7 key will return the LCD to the main menu. D=DISPLAY
‘D’ is used for displaying the data content of the ram. It can also be used for changing the content of the RAM. It shows the contents in the machine code. User should specify the address location to see its content if no address is type the default address
(0000:0400) contents are shown. The up and down keys are used for showing next or previous address contents. Press F7 to return to main