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Make 'Ys I & II Eternal Story' playable.
Posted on 2006-01-23 00:00:00 |
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Added the accumulation of decoded/processed Y/Cr/Cb block data into the out FIFO.
Added the handling of the DMA channel 3 transfer (fromIPU) to transfer the blocks from the FIFO to the RAM/SPR. The basic handling required to execute the BDEC command should be complete now. What it should theorically do afterwards is keep sending this command till the first frame will be fully decoded. It should then after use the unimplemented instructions I've encountered previously to saturate the output of the IDCT. So, I'll be stepping through the code tomorrow to see which thing is going to need to be implemented next. |