Z80180 Datasheet, PDF (191/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z 8018x Fam ily
M PU Us e r M anual
176
Figure 74 depicts CPU register configurations.
Register Set GR
Accumulator A Flag Register F
B Register
C Register
D Register
E Register
H Register
L Register
General
Purpose
Registers
Register Set GR'
Accumulator A' Flag Register F'
B' Register
C' Register
D' Register
E' Register
H' Register
L' Register
General
Purpose
Registers
Special Register
Interrupt
Vector Register
R Counter
I
R
Index Register
IX
Index Register
IY
Stack Pointer
SP
Program Counter
PC
Figure 74. CPU Register Configurations
Accumulator (A, A')
The Accumulator (A) is the primary register used for many arithmetic,
logical, and I/O instructions.
UM005001-ZMP0400