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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U15104EJ2V0UD
3.3.2 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. The
CALL !addr16 and BR !add16 instructions can be used to branch to any location in the memory. The CALLF
!addr11 instruction is used to branch to the area between 0800H through 0FFFH.
[Illustration]
In the case of CALL !addr16 and BR !addr16 instructions
In the case of CALLF !addr11 instruction
15
0
PC
8 7
7
0
CALL or BR
Low Addr.
High Addr.
15
0
PC
8 7
7
0
fa
10_8
11 10
0
0
0
0
1
6
4
3
CALLF
fa
7_0
Содержание mPD178053
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