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CHAPTER 5 CPU ARCHITECTURE
5.3.2 Immediate addressing
[Function]
Immediate data in the instruction word is transferred to the program counter (PC) and branched.
This function is carried out when the CALL !addr16 or BR !addr16 or CALLF !addr11 instruction is executed.
CALL !addr16 and BR !addr16 instructions can branch to all the memory space.
CALLF !addr11 instruction branches to the area from 0800H to 0FFFH.
[Illustration]
In the case of CALL !addr16 and BR !addr16 instructions
In the case of CALLF !addr11 instruction
15 0
PC
87
70
CALL or BR
Low Addr.
High Addr.
15 0
PC
87
70
fa
10–8
11 10
00001
643
CALLF
fa
7–0