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Tile DMA Vblank Bandwidths

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This table describes how many 8x8 tiles the 5A22 can DMA during vblank.

Region # of scanlines (including overscan) 2bpp 4bpp 8bpp
NTSC 224 382.7 191.4 95.7
NTSC 239 227.6 113.8 56.9
PAL 224 899.9 450.0 225.0
PAL 239 744.8 372.4 186.2

This table describes how many 16x16 tiles the 5A22 can DMA during vblank.

Region # of scanlines (including overscan) 2bpp 4bpp 8bpp
NTSC 224 95.7 47.8 23.9
NTSC 239 56.9 28.4 14.2
PAL 224 225.0 112.5 56.2
PAL 239 186.2 93.1 46.5

These are both at SlowROM speed.