Z8L180 ZILOG [Zilog, Inc.], Z8L180 Datasheet - Page 223

• Manufacturer Part Number: Z8L180
• Description: Z8018x Family MPU
• Manufacturer: ZILOG [Zilog, Inc.]

Instruction Set
REGISTER
Table 32. Register Values
BIT
This section explains the symbols in the instruction set.
g, g', ww, xx, yy, and zz specify a register to be used. g and g' specify an
8-bit register. ww, xx, yy, and zz specify a pair of 8-bit registers. Table 32
describes the correspondence between symbols and registers.
Note: Suffixed H and L to ww, xx, yy, zz (ex. wwH, IXL) indicate upper and lower
8-bit of the 16-bit register respectively.
b specifies a bit to be manipulated in the bit manipulation instruction.
Table 33 indicates the correspondence between b and bits.
g,g' Reg.
000 B
001 C
010 D
011 E
100 H
101 L
111 A
ww
00
01
10
11
Reg.
BC
DE
HL
SP
xx
00
01
10
11
Reg.
BC
DE
IX
SP
yy
00
01
10
11
Reg.
BC
DE
IY
SP
MPU User Manual
UM005001-ZMP0400
Z8018x Family
zz
00
01
10
11
Reg.
BC
DE
HL
AF
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