Mnemonic
Symbolic
Operation

S
Z F5 H F3 P/V N C Opcode
76-543-210

Hex

Bytes

M's

T's

Comments
ADD HL, ss HL := HL + ss . . ~2 ~2 ~2 . 0 ~1 00-ss1-001 1 3 11
ADC HL, ss HL := HL + ss + CY ~1 ~1 ~2 ~2 ~2 V1 0 ~1 11-101-101
01-ss1-010
ED 2 4 15
SBC HL, ss HL := HL - ss - CY ~1 ~1 ~2 ~2 ~2 V1 1 ~1 11-101-101
01-ss0-010
ED 2 4 15
ADD IX, pp IX := IX + pp . . ~2 ~2 ~2 . 0 ~1 11-011-101
00-pp1-001
DD 2 4 15
ADD IY, rr IY := IY + rr . . ~2 ~2 ~2 . 0 ~1 11-111-101
00-rr1-001
FD 2 4 15
INC ss ss := ss + 1 . . . . . . . . 00-ss0-011 1 1 6
INC IX IX := IX + 1 . . . . . . . . 11-011-101
00-100-011
DD
23
2 2 10
INC IY IY := IY + 1 . . . . . . . . 11-111-101
00-100-011
FD
23
2 2 10
DEC ss ss := ss - 1 . . . . . . . . 00-ss1-011 1 1 6
DEC IX IX := IX - 1 . . . . . . . . 11-011-101
00-101-011
DD
2B
2 2 10
DEC IY IY := IY - 1 . . . . . . . . 11-111-101
00-101-011
FD
2B
2 2 10
1