CPX        ComPrae indeX register
Category:  Index register control
Function:  (IX) - (M : M + 1)

Effects on the Condition Codes
H = N/A
I = N/A
N = R15
Z = ~R15&~R14&~R13&...&~R0
V = IX15&~M15&~R15|~IX15&M15&R15
C = ~IX15&M15|M15&R15|R15&~IX15

ADDR    MNEM    OPER        1st     2nd     3rd
MODE    NOIC    FRMT        BYTE    BYTE    BYTE
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IMM     CPX     #Imm        8C      ImmH    ImmL
DIR     CPX     M           9C      M
EXT     CPX     M           BC      MH      ML
INDEX   CPX     Disp,X      AC      Disp