Undocumented Math instructions with the IX register

Undocumented math instructions for IX register
Opcode Matrix
INCDECADD AADC ASUBSBC AANDXORORCP
IXh
INC IXh
DD24
DEC IXh
DD25
ADD A,IXh
DD84
ADC A,IXh
DD8C
SUB IXh
DD94
SBC A,IXh
DD9C
AND IXh
DDA4
XOR IXh
DDAC
OR IXh
DDB4
CP IXh
DDBC
IXl
INC IXl
DD2C
DEC IXl
DD2D
ADD A,IXl
DD85
ADC A,IXl
DD8D
SUB IXl
DD95
SBC A,IXl
DD9D
AND IXl
DDA5
XOR IXl
DDAD
OR IXl
DDB5
CP IXl
DDBD
Opcode Matrix Legend
Instruction Opcode hex
 Undocumented

Last modified November 16, 2021: Optimise undocumented pages (5f13800)