global: Import Dolphin SDK

This version comes from the Metroid Prime decompilation project.
https://github.com/PrimeDecomp/prime

1 files changed, 42 insertions, 0 deletions

diff --git a/src/Dolphin/GBA/GBARead.c b/src/Dolphin/GBA/GBARead.c
new file mode 100644
index 0000000..ab19bbb
--- /dev/null
+++ b/src/Dolphin/GBA/GBARead.c
@@ -0,0 +1,42 @@
+#include "dolphin/GBAPriv.h"
+
+void ReadProc(s32 chan) {
+  GBA* gba;
+  gba = &__GBA[chan];
+
+  if (gba->result == 0) {
+    memcpy(gba->buffer, &gba->dst, 4);
+    gba->status[0] = gba->_09 & GBA_JSTAT_MASK;
+  }
+}
+
+s32 GBAReadAsync(s32 chan, u8* dst, u8* status, GBACallback callback) {
+  GBA* gba;
+  s32 ret;
+
+  gba = &__GBA[chan];
+
+  if (gba->callback != NULL) {
+    ret = 2;
+  } else {
+    gba->command = 0x14;
+    gba->buffer = dst;
+    gba->status = status;
+    gba->callback = callback;
+    ret = __GBATransfer(chan, 1, 5, ReadProc);
+  }
+
+  return ret;
+}
+
+
+s32 GBARead(s32 chan, u8* dst, u8* status) {
+  s32 tmp;
+  s32 ret;
+  ret = GBAReadAsync(chan, dst, status, __GBASyncCallback);
+  if (ret != GBA_READY) {
+    return ret;
+  }
+
+  return __GBASync(chan);
+}