NEC PD750008 - Manual (Page 58)

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µPD750008 USER'S MANUAL
Figure 3-6. General Register Configuration (8-bit Processing)
XA
HL
DE
BC
XA’
HL’
DE’
BC’
00H
02H
04H
06H
08H
0AH
0CH
0EH
When RBE·RBS
= 0
XA’
HL’
DE’
BC’
XA
HL
DE
BC
00H
02H
04H
06H
08H
0AH
0CH
0EH
When RBE·RBS
= 1
XA
HL
DE
BC
XA’
HL’
DE’
BC’
10H
12H
14H
16H
18H
1AH
1CH
1EH
When RBE·RBS
= 2
XA’
HL’
DE’
BC’
XA
HL
DE
BC
10H
12H
14H
16H
18H
1AH
1CH
1EH
When RBE·RBS
= 3