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DMA Control
From SnesLab
(Redirected from DCNT)
DCNT is 8 bits wide, located at 2230h on the SA-1. It is initialized to zero.
DPrio is bit 6.
CDEN is bit 5.
CDSEL is bit 4.
DD stands for "destination device" and is bit 2.
The low two bits are SD0 and SD1 which stands for "source device."
Bit 3 is zero.
Reference
- 4.1.27 on page 1-4-20 of Book II of the official Super Nintendo development manual