Modified the SdramSPInst to write data
in the range of lena
:1000000000A000A300A600A900AC00AF5500455514
0000 00A0 160
0001 00A3 163
0002 00A6 166
0003 00A9 169
0004 00AC 172
0005 00AF 175

81 105 390 1 1
-166
-166 1005
next step will be to use the ram values to compute the dwt forward and inverse.