大家帮忙看看这是什么错误，（keilc的错误提示）

COPYRIGHT KEIL ELEKTRONIK GmbH 1987 - 2002
\"eziso.obj\"
TO \"eziso\"
RAMSIZE(256)
CODE( 0X0080-0X19FF , 0x0100 )
XDATA( 0X1A00-0X1B3F , 0x0800 )
*** FATAL ERROR L236: ADDRESS IS NOT IN ASCENDING ORDER
    POS: 69
    BL51.EXE eziso.obj TO eziso RAMSIZE (256) CODE (0X0080-0X19FF, 0X0100)#
Target not created