Z8018x Family
MPU User Manual
207
Instruction Set
This section explains the symbols in the instruction set.
REGISTER
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.
Table 32. Register Values
g,g' Reg. ww Reg. xx
Reg. yy
Reg. zz
Reg.
000
001
010
011
100
101
111
B
C
D
E
H
L
00
01
10
11
BC
DE
HL
SP
00
01
10
11
BC
DE
IX
00
01
10
11
BC
DE
IY
00
01
10
11
BC
DE
HL
AF
SP
SP
A
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.
BIT
b specifies a bit to be manipulated in the bit manipulation instruction.
Table 33 indicates the correspondence betweenb and bits.
UM005001-ZMP0400
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