| 166 | } |
| 167 | |
| 168 | __fi void gifCheckPathStatus(bool calledFromGIF) |
| 169 | { |
| 170 | // If GIF is running on it's own, let it handle its own timing. |
| 171 | if (calledFromGIF && gifch.chcr.STR) |
| 172 | { |
| 173 | if (gif_fifo.fifoSize == 16) |
| 174 | GifDMAInt(16); |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | // Required for Path3 Masking timing! |
| 179 | if (gifUnit.gifPath[GIF_PATH_3].state == GIF_PATH_WAIT) |
| 180 | gifUnit.gifPath[GIF_PATH_3].state = GIF_PATH_IDLE; |
| 181 | |
| 182 | if (gifRegs.stat.APATH == 3) |
| 183 | { |
| 184 | gifRegs.stat.APATH = 0; |
| 185 | gifRegs.stat.OPH = 0; |
| 186 | |
| 187 | if (!calledFromGIF && (gifUnit.gifPath[GIF_PATH_3].state == GIF_PATH_IDLE || gifUnit.gifPath[GIF_PATH_3].state == GIF_PATH_WAIT)) |
| 188 | { |
| 189 | if (gifUnit.checkPaths(1, 1, 0)) |
| 190 | gifUnit.Execute(false, true); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | // GIF DMA isn't running but VIF might be waiting on PATH3 so resume it here |
| 195 | if (calledFromGIF && gifUnit.gifPath[GIF_PATH_3].state == GIF_PATH_IDLE) |
| 196 | { |
| 197 | if (vif1Regs.stat.VGW) |
| 198 | { |
| 199 | // Check if VIF is in a cycle or is currently "idle" waiting for GIF to come back. |
| 200 | if (!(cpuRegs.interrupt & (1 << DMAC_VIF1))) |
| 201 | CPU_INT(DMAC_VIF1, 1); |
| 202 | |
| 203 | // Make sure it loops if the GIF packet is empty to prepare for the next packet |
| 204 | // or end if it was the end of a packet. |
| 205 | // This must trigger after VIF retriggers as VIf might instantly mask Path3 |
| 206 | if ((!gifUnit.Path3Masked() || gifch.qwc == 0) && (gifch.chcr.STR || gif_fifo.fifoSize)) |
| 207 | { |
| 208 | GifDMAInt(16); |
| 209 | } |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | __fi void gifInterrupt() |
| 215 | { |
no test coverage detected