MC81F4104 Datasheet, PDF (45/118 Pages) Finechips – ABOV SEMICONDUCTOR

9.7 Addressing modes
The MC81Fxxx series MCU uses six addressing modes;
MC81F4104
- Register Addressing
- Immediate Addressing
- Direct Page Addressing
- Absolute Addressing
- Indexed Addressing
- Indirect Addressing
Register Addressing
Register addressing means to access to the data of the A, X, Y, C and PSW registers. For Example
„ASL ( Arithmetic Shift Left )‟ only accesses the A register.
Immediate Addressing
In this mode, second byte (operand) is accessed as a data immediately.
Example :
:
ADC #35h
:
:
;op code is 04h
When G-flag is 1, then RAM address is defined by 16-bit address which is composed of 8-bit RAM
paging register (RPR) and 8-bit immediate data.
Example :
October 19, 2009 Ver.1.35
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