diff options
Diffstat (limited to 'src/GPU2D.cpp')
| -rw-r--r-- | src/GPU2D.cpp | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/src/GPU2D.cpp b/src/GPU2D.cpp index cedfe1e..3717cf5 100644 --- a/src/GPU2D.cpp +++ b/src/GPU2D.cpp @@ -91,6 +91,8 @@ void GPU2D::Reset() EVB = 0; EVY = 0; + memset(DispFIFOBuffer, 0, 256*2); + CaptureCnt = 0; MasterBrightness = 0; @@ -337,9 +339,17 @@ void GPU2D::DrawScanline(u32 line) } break; - case 3: // FIFO display + case 3: // FIFO display (grossly inaccurate) { - // TODO + for (int i = 0; i < 256; i++) + { + u16 color = DispFIFOBuffer[i]; + u8 r = (color & 0x001F) << 1; + u8 g = (color & 0x03E0) >> 4; + u8 b = (color & 0x7C00) >> 9; + + dst[i] = r | (g << 8) | (b << 16); + } } break; } @@ -445,7 +455,8 @@ void GPU2D::DoCapture(u32 line, u32 width, u32* src) if (CaptureCnt & (1<<25)) { - // TODO: FIFO mode + srcB = &DispFIFOBuffer[0]; + srcBaddr = 0; } else { @@ -570,6 +581,17 @@ void GPU2D::DoCapture(u32 line, u32 width, u32* src) } } +void GPU2D::FIFODMA(u32 addr) +{ + for (int i = 0; i < 256; i += 2) + { + u32 val = NDS::ARM9Read32(addr); + addr += 4; + DispFIFOBuffer[i] = val & 0xFFFF; + DispFIFOBuffer[i+1] = val >> 16; + } +} + void GPU2D::BGExtPalDirty(u32 base) { |