DMA timing renovation (#1207)

* make timers usable for measurement shito without being assfuckingly unreliable

* bürp

* Arisotura can you ever clean up your goddamn code

also regroup the timer code instead of having it split weirdly

* make the set-timing functions a tad less hacky

* congrats Arisotura you made an ass-enum

* add timing region tables, and separate timings for ARM9 DMA (exempt of 3c penalty)

* temp work on DMA timings, not finished

also, did you know? 'increment/reload' is also a thing for the source address

* begin work

* add some of the GBA slot/wifi timings

* complete it, I guess

* make some progress

* getting somewhere

* sdsdfs

* see, Arisotura, was it that hard? blarg.

src/DMA.h

@@ -34,6 +34,11 @@ public:
     void WriteCnt(u32 val);
     void Start();
 
+    u32 UnitTimings9_16(bool burststart);
+    u32 UnitTimings9_32(bool burststart);
+    u32 UnitTimings7_16(bool burststart);
+    u32 UnitTimings7_32(bool burststart);
+
     template <int ConsoleType>
     void Run();
 
@@ -78,8 +83,8 @@ private:
     u32 CurDstAddr;
     u32 RemCount;
     u32 IterCount;
-    u32 SrcAddrInc;
-    u32 DstAddrInc;
+    s32 SrcAddrInc;
+    s32 DstAddrInc;
     u32 CountMask;
 
     u32 Running;
@@ -89,6 +94,9 @@ private:
     bool Stall;
 
     bool IsGXFIFODMA;
+
+    u32 MRAMBurstCount;
+    u8* MRAMBurstTable;
 };
 
 #endif