UPD70208HGF-12-3B9 NEC [NEC], UPD70208HGF-12-3B9 Datasheet - Page 38

• Manufacturer Part Number: UPD70208HGF-12-3B9
• Description: V40HLTM, V50HLTM 16/8, 16-BIT MICROPROCESSOR
• Manufacturer: NEC [NEC]

38
Table 15-6. 8/16-Bit General Register Selection
mem
000
001
010
011
100
101
110
111
mod
reg, reg’
000
001
010
011
100
101
110
111
BW + IX
BW + IY
BP + IX
BP + IY
IX
IY
DIRECT ADDRESS
BW
Identifier
W=0
(Blank)
CH
DH
CL
DL
AH
BH
AL
BL
00
U
R
0
1
Table 15-4. Flag Operation Legend
Table 15-5. Memory Addressing
W=1
AW
CW
DW
BW
SP
BP
IX
IY
Data Sheet U13225EJ4V0DS00
No change
Cleared to 0
Set to 1
Set or cleared depending upon result
Undefined
Previously saved value is restored
BW + IX + disp 8
BW + IY + disp 8
BP + IX + disp 8
BP + IY + disp 8
IX + disp 8
IY + disp 8
BP + disp 8
BW + disp 8
Description
01
Table 15-7. Segment Register Selection
sreg
00
01
10
11
BW + IX + disp 16
BW + IY + disp 16
BP + IX + disp 16
BP + IY + disp 16
IX + disp 16
IY + disp 16
BP + disp 16
BW + disp 16
PD70208H, 70216H
DS1
PS
SS
DS0
10