Zilog Z86193 - Manual (Page 236)

Z8
®
CPU
User Manual
UM001604-0108 Instruction Description
229
When an Expanded Register Bank, other than Bank 0 is selected, access to the Z8
®
Stan-
dard Register File is possible except for the Port Register and general purpose registers
04h
to
0Fh
.
fpr Register Addresses 0h to Fh
Example 2
The statement:
SRP F0h Op Code: 31 F0
sets the Register Pointer to access expanded Register Bank 0 and Working Register Group
F in the Z8
® Standard Register File. All references to Working Registers now affect this
Register Pointer (FDh)
Contents (Hex)
Expanded Register
Bank (Hex)
xxxx 1111 F
xxxx 1110 E
xxxx 1101 D
xxxx 1100 C
xxxx 1011 B
xxxx 1010 A
xxxx 1001 9
xxxx 1000 8
xxxx 0111 7
xxxx 0110 6
xxxx 0101 5
xxxx 0100 4
xxxx 0011 3
xxxx 0010 2
xxxx 0001 1
xxxx 0000 0
Flag Description
C Unaffected
Z Unaffected
S Unaffected
V Unaffected
D Unaffected
H Unaffected
Note: