PSHX       PuSH indeX register onto stack
Category:  Transfer
Function:  --> (IXL),  SP <-- (SP) - 0001
           --> (IXH),  SP <-- (SP) - 0001

Effects on the Condition Codes
H = N/A
I = N/A
N = N/A
Z = N/A
V = N/A
C = N/A

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

IMPL    PSHX                3C