Class coord2d

tests/autotester/autotester.cpp:65–65

unsigned int hashesTested = 0;

struct coord2d { uint8_t x; uint8_t y; };
// Note: we could just store the string in a char*[8][8], then search for it and calculate its row/col at runtime, but meh.
static const std::unordered_map<std::string, coord2d> valid_keys = {
    {"graph", {0,1}}, {"trace", {1,1}}, { "zoom", {2,1}}, {"window", {3,1}}, {"y=", {4,1}}, {"2nd", {5,1}}, { "mode", {6,1}}, {  "del", {7,1}},