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1. ADDRESSING MODE
Addressing refers to the specification, within an instruction, of the location of the operand on which the
instruction will operate. Because G8MC core has no 16-bit register, other than the program counter, which
can be used to specify an address, it is necessary that G8MC core user understand the various addressing
modes. This gives the experienced programmer flexibility for writing programs that are more sufficient in the
number of instructions and the execution time.
This core has 10 addressing modes as shown bellows.
Inherent Addressing Mode
Immediate Addressing Mode
Direct Page Addressing Mode
Absolute Addressing Mode
Indexed Addressing Mode
Indirect Addressing Mode
Relative Addressing Mode
Bit Manipulation Mode
16-Bit Operation Mode
Etc.
Addressing Mode
1
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