42Bastian improvements from the original gpudbug

[djipi]

Reload binary feature
GPU & DSP ram
Memory buffer has became the MAIN ram
Window Memory dump feature
Instruction 49 & 50 modifications
Instruction 43 & 44 modifications
Load address can be in the MAIN ram
Window to display MAIN ram content by 256 bytes (8 lines displaying 8 blocks of 4 bytes each)
Manual edit for the Window MAIN ram address and change value