Addresing Modes
There are several ADDRESSING MODES available with move commands.
A hexadecimal number is copied into a register. Examples...
MOV AL,15 ; Copy 15 HEX into the AL register
MOV BL,40 ; Copy 40 HEX into the BL register
MOV CL,50 ; Copy 50 HEX into the CL register
MOV DL,60 ; Copy 60 HEX into the DL register
Indirect Addressing
A value is moved to or from RAM. The ram address is given as a number like [22] in square brackets. Examples...
MOV [A0],AL ; Copy value in AL to RAM location [40]
MOV BL,[40] ; Copy value in RAM location [A0] into BL
Copy a value from RAM to a register or copy a value from a register to RAM. The RAM address is contained in a second register enclosed in square brackets like this [CL]. Examples ...
MOV [CL],AL ; Copy the value in AL to the RAM location that CL points to.
MOV BL,[CL] ; Copy the RAM location that CL points to into the BL register.
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