258
µPD750008 USER'S MANUAL
11.3 INSTRUCTION CODES OF EACH INSTRUCTION(1) Explanations of the symbols for the instruction codesIn: Immediate data for n4 or n8Dn: Immediate data for memBn: Immediate data for bitNn: Immediate data for n or IExxxTn: Immediate data for taddr x 1/2An: Immediate data for the address (2 to 16) relative to branch destination address minus oneSn: Immediate data for the one’s complement of the address (15 to 1) relative to the branch destinationaddress
reg
R2R1R0reg
000A
001X
010L
011H
100E
101D
110C
111B
reg1
rp'
P2P1P0reg-pair
000 XA
0 0 1 XA'
010 HL
0 1 1 HL'
100 DE
1 0 1 DE'
110 BC
1 1 1 BC'
rp'1
Q2Q1Q0addressing
0 0 1 @HL
0 1 0 @HL+
0 1 1 @HL–
1 0 0 @DE
1 0 1 @DL
@rpa rp2
P2P1reg-pair
00 XA
01 HL
10 DE
11 BC
rp1 rp
N5N2N1
000
001
110
010
010
011
011
100
N
0
0
0
0
0
1
0
1
0
IExxx
IEBT
IEW
IET1
IET0
IECSI
IE0
IE2
IE4
1 1 1 0 IE1
@rpa1