CHAPTER 4 CPU ARCHITECTUREUser’s Manual U14826EJ5V0UD504.3.2 Immediate addressing[Function]Immediate data in the instruction word is transferred to the program counter (PC) to branch.This function is carried out when the CALL !addr16 and BR !addr16 instructions are executed.CALL !addr16 and BR !addr16 instructions can be used to branch to all the memory spaces.[Illustration]In case of CALL !addr16 and BR !addr16 instructions15 0PC8 77 0CALL or BRLow addr.High addr.4.3.3 Table indirect addressing[Function]The table contents (branch destination address) of the particular location to be addressed by the immediate dataof an instruction code from bit 1 to bit 5 are transferred to the program counter (PC) to branch.Table indirect addressing is carried out when the CALLT [addr5] instruction is executed. This instruction can beused to branch to all the memory spaces according to the address stored in the memory table 40H to 7FH.[Illustration]15 115 0PC7 0Low addr.High addr.Memory (Table)Effective address + 1Effective address 0 10 0 0 0 0 0 0 08 78 76 5 0000 17 6 5 1 0ta4–0Instruction code
