fifo

akatsuki105 · Apr 14, 2021 · 14ab104 · 14ab104
1 parent ac62239
commit 14ab104
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/pkg/gba/apu.go b/pkg/gba/apu.go
@@ -450,7 +450,7 @@ func (g *GBA) fifoACopy() {
 	}
 
 	for i := uint32(0); i < 4; i++ {
-		fifoA[fifoALen] = int8(g._getRAM(ram.FIFO_A + i))
+		fifoA[fifoALen] = int8(byte(g._getRAM(ram.FIFO_A + i)))
 		fifoALen++
 	}
 }
@@ -461,7 +461,7 @@ func (g *GBA) fifoBCopy() {
 	}
 
 	for i := uint32(0); i < 4; i++ {
-		fifoB[fifoBLen] = int8(g._getRAM(ram.FIFO_B + i))
+		fifoB[fifoBLen] = int8(byte(g._getRAM(ram.FIFO_B + i)))
 		fifoBLen++
 	}
 }

diff --git a/pkg/gba/io.go b/pkg/gba/io.go
@@ -107,6 +107,18 @@ func (g *GBA) _setRAM8(addr uint32, b byte) {
 				g.resetSoundChan(addr, b)
 			}
 		}
+	case addr == ram.SOUNDCNT_H+1:
+		if util.Bit(b, 3) {
+			fifoA = [32]int8{}
+			fifoALen = 0
+		}
+		g.RAM.Set8(addr, b)
+	case addr == ram.SOUNDCNT_H+3:
+		if util.Bit(b, 7) {
+			fifoB = [32]int8{}
+			fifoBLen = 0
+		}
+		g.RAM.Set8(addr, b)
 	case addr == ram.SOUNDCNT_X:
 		old := byte(g._getRAM(addr))
 		old = (old & 0xf) | (b & 0xf0)