riyyi/garbage
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Emulator: Switch to pixel FIFO

Browse Source
This commit is contained in:
Riyyi
2022-10-17 13:33:26 +02:00
parent f2a68e6294
commit 7ed5c74faf
1 changed files with 13 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ppu.cpp
+13 -14
View File
@@ -57,8 +57,7 @@ void PPU::update()
}
break;
case State::PixelTransfer:
// PixelTransfer logic goes here..
m_lcd_x_coordinate++;
pixelFifo();
if (m_lcd_x_coordinate == 160) {
m_lcd_x_coordinate = 0;
@@ -110,20 +109,20 @@ void PPU::render()
}
}
else {
// Tile map
uint32_t tile_map_size = 32 * 32; // 1 KiB
uint32_t bg_tile_map_address = (lcd_control & LCDC::BGTileMapArea) ? 0x9c00 : 0x9800;
// uint32_t window_tile_map_address = (lcd_control & LCDC::WindowTileMapArea) ? 0x9c00 : 0x9800;
// // Tile map
// uint32_t tile_map_size = 32 * 32; // 1 KiB
// uint32_t bg_tile_map_address = (lcd_control & LCDC::BGTileMapArea) ? 0x9c00 : 0x9800;
// // uint32_t window_tile_map_address = (lcd_control & LCDC::WindowTileMapArea) ? 0x9c00 : 0x9800;
// Tile data
// uint32_t tile_data_size = 4096; // 4KiB / 16B = 256 tiles
bool tile_data_mode = lcd_control & LCDC::BGandWindowTileDataArea;
uint32_t tile_data_address = (tile_data_mode) ? 0x8000 : 0x8800;
// // Tile data
// // uint32_t tile_data_size = 4096; // 4KiB / 16B = 256 tiles
// bool tile_data_mode = lcd_control & LCDC::BGandWindowTileDataArea;
// uint32_t tile_data_address = (tile_data_mode) ? 0x8000 : 0x8800;
for (uint32_t i = 0; i < tile_map_size; ++i) {
uint8_t tile_index = Emu::the().readMemory(bg_tile_map_address + i);
drawTile((i % 32) * TILE_WIDTH, (i / 32) * TILE_HEIGHT, tile_data_address + (tile_index * TILE_SIZE));
}
// for (uint32_t i = 0; i < tile_map_size; ++i) {
// uint8_t tile_index = Emu::the().readMemory(bg_tile_map_address + i);
// // drawTile((i % 32) * TILE_WIDTH, (i / 32) * TILE_HEIGHT, tile_data_address + (tile_index * TILE_SIZE));
// }
}
auto& scene = Inferno::Application::the().scene();