SUB        SUBtract
Category:  Arithmetic operation
Function:  ACCX <-- (ACCX) - (M)

Effects on the Condition Codes
H = N/A
I = N/A
N = R7
Z = ~R7&~R6&~R5&~R4&~R3&~R2&~R1&~R0
V = X7&~M7&~R7|~X7&M7&R7
C = ~X7&M7|M7&R7|R7&~X7

ADDR    MNEM    OPER        1st     2nd     3rd
MODE    ONIC    FRMT        BYTE    BYTE    BYTE
________________________________________________

IMM     SUB A   #Imm        80      Imm
DIR     SUB A   M           90      M
EXT     SUB A   M           B0      MH      ML
INDEX   SUB A   Disp,X      A0      Disp
IMM     SUB B   #Imm        C0      Imm
DIR     SUB B   M           D0      M
EXT     SUB B   M           F0      MH      ML
INDEX   SUB B   Disp,X      E0      Disp