diff options
Diffstat (limited to 'qtmips_gui/memorymodel.cpp')
-rw-r--r-- | qtmips_gui/memorymodel.cpp | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/qtmips_gui/memorymodel.cpp b/qtmips_gui/memorymodel.cpp index 13ae1c7..69a412d 100644 --- a/qtmips_gui/memorymodel.cpp +++ b/qtmips_gui/memorymodel.cpp @@ -47,8 +47,8 @@ MemoryModel::MemoryModel(QObject *parent) } int MemoryModel::rowCount(const QModelIndex & /*parent*/) const { - std::uint64_t rows = (0x2000 + cells_per_row - 1) / cells_per_row; - return rows; + // std::uint64_t rows = (0x2000 + cells_per_row - 1) / cells_per_row; + return 2000; } int MemoryModel::columnCount(const QModelIndex & /*parent*/) const { @@ -143,6 +143,10 @@ void MemoryModel::set_cell_size(int index) { emit cell_size_changed(); } +void MemoryModel::update_all() { + emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1)); +} + void MemoryModel::check_for_updates() { bool need_update = false; if (machine == nullptr) @@ -158,5 +162,27 @@ void MemoryModel::check_for_updates() { } if (!need_update) return; - emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1)); + update_all(); +} + +bool MemoryModel::adjustRowAndOffset(int &row, int optimal_row, std::uint32_t address) { + if (optimal_row < rowCount() / 8) + optimal_row = rowCount() / 8; + if (optimal_row >= rowCount() - rowCount() / 8) + optimal_row = rowCount() - rowCount() / 8; + row = rowCount() / 2; + address -= address % cellSizeBytes(); + std::uint32_t row_bytes = cells_per_row * cellSizeBytes(); + std::uint32_t diff = row * row_bytes; + if (diff > address) { + row = address / row_bytes; + if (row == 0) { + index0_offset = 0; + } else { + index0_offset = address - row * row_bytes; + } + } else { + index0_offset = address - diff; + } + return get_row_for_address(row, address); } |