Figure 74. cpu register configurations, Accumulator (a, a') – Zilog Z80180 User Manual
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Family MPU User Manual
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UM005003-0703
Figure 74 depicts CPU register configurations.
Figure 74. CPU Register Configurations
Accumulator (A, A')
The Accumulator (A) is the primary register used for many arithmetic,
logical, and I/O instructions.
Flag Register F
B Register
D Register
H Register
C Register
E Register
L Register
General
Special Register
Interrupt
R Counter
I R
Index Register IX
Index Register IY
Stack Pointer SP
Program Counter PC
Register Set GR
Accumulator A
Purpose
Registers
Flag Register F'
B' Register
D' Register
H' Register
C' Register
E' Register
L' Register
General
Register Set GR'
Accumulator A'
Purpose
Registers
Vector Register