MMIO register table/DMA: Difference between revisions
From SNESdev Wiki
Jump to navigationJump to search
Rainwarrior (talk | contribs) (filling out table) |
Rainwarrior (talk | contribs) m (fix breadcrumb link) |
||
| Line 1: | Line 1: | ||
<noinclude> | <noinclude> | ||
See: [[DMA | See: [[DMA registers]] | ||
{| class="wikitable" | {| class="wikitable" | ||
! Name | ! Name | ||
Revision as of 23:33, 23 May 2022
See: DMA registers
| Name | Address | Bits | Type | Notes |
|---|---|---|---|---|
| DMAPn | $43n0 | DI.A APPP | RW8 | Direction (D), indirect HDMA (I), address increment (A), transfer pattern (P). |
| BBADn | $43n1 | AAAA AAAA | RW8 | B-bus address. |
| A1TnL A1TnH A1TnB |
$43n2 $43n3 $43n4 |
LLLL LLLL HHHH HHHH BBBB BBBB |
RW24 | DMA source address / HDMA table address. |
| DASnL DASnH DASnB |
$43n5 $43n6 $43n7 |
LLLL LLLL HHHH HHHH BBBB BBBB |
RW24 | DMA byte count (H:L), HDMA table address (B:H:L). |
| A2AnL A2AnH |
$43n8 $43n9 |
LLLL LLLL HHHH HHHH |
RW16 | HDMA table current address within bank (H:L). |
| NTRLn | $43nA | RLLL LLLL | RW8 | HDMA reload (R) and scanline counter (L). |
| UNUSEDn | $43nB $43nF |
DDDD DDDD | RW8 | Unused shared data byte (D). |
