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SlowROM

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SlowROM is 2.68 Mhz. It is not as fast as FastROM. SlowROM is a property of the ROM chip itself and not the board it is soldered onto.^[2] DMA always happens at SlowROM speed. When the 5A22 is operating at slowROM, there are 8 CPU cycles per master clock cycle.

See Also

List of SlowROM Games

References

Near, https://forums.nesdev.org/viewtopic.php?t=9585
Bregalad, lbid.

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