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2.3 Programming Model
2.3 Programming Model
This section explains the CPU registers that are essential for programming. The CPU
registers are classified into the following two groups:
• General-purpose registers
• Special registers
■
General-Purpose Registers
Figure 2.3.1 shows the configuration of general-purpose registers.
Figure 2.3-1 Configuration of general-purpose registers
■
Special Registers
Figure 2.3.2 shows the configuration of special registers.
XXXX XXXX
H
XXXX XXXX
H
0000 0000
H
32 bits
[Initial value]
A
C
F
P
P
S
R 0
R 1
R 12
R 13
R 14
R 15