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Emulator: Switch to pixel FIFO

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