In the end of the eighties I needed to replace the fancy patterns available in spreadsheet graphics on PC1512 (gem) by more serious patterns (the client was a b

In the end of the eighties I needed to replace the fancy patterns available in spreadsheet graphics on PC1512 (gem) by more serious patterns (the client was a bank). I have done a small visualisation program in turbo pascal to find them and I have patched the binary.