1 files changed, 104 insertions, 0 deletions
diff --git a/src/Dolphin/card/CARDRdwr.c b/src/Dolphin/card/CARDRdwr.c
new file mode 100644
index 0000000..2f41be7
--- /dev/null
+++ b/src/Dolphin/card/CARDRdwr.c
@@ -0,0 +1,104 @@
+#include <dolphin/card.h>
+#include <dolphin/dsp.h>
+#include <dolphin/dvd.h>
+#include <dolphin/os.h>
+
+#include <dolphin/CARDPriv.h>
+
+static void BlockReadCallback(s32 chan, s32 result) {
+  CARDControl* card;
+  CARDCallback callback;
+
+  card = &__CARDBlock[chan];
+  if (result < 0) {
+    goto error;
+  }
+
+  card->xferred += CARD_SEG_SIZE;
+
+  card->addr += CARD_SEG_SIZE;
+  (u8*)card->buffer += CARD_SEG_SIZE;
+  if (--card->repeat <= 0) {
+    goto error;
+  }
+
+  result = __CARDReadSegment(chan, BlockReadCallback);
+  if (result < 0) {
+    goto error;
+  }
+  return;
+
+error:
+  if (card->apiCallback == 0) {
+    __CARDPutControlBlock(card, result);
+  }
+  callback = card->xferCallback;
+  if (callback) {
+    card->xferCallback = 0;
+    callback(chan, result);
+  }
+}
+
+s32 __CARDRead(s32 chan, u32 addr, s32 length, void* dst, CARDCallback callback) {
+  CARDControl* card;
+  card = &__CARDBlock[chan];
+  if (!card->attached) {
+    return CARD_RESULT_NOCARD;
+  }
+
+  card->xferCallback = callback;
+  card->repeat = (int)(length / CARD_SEG_SIZE);
+  card->addr = addr;
+  card->buffer = dst;
+
+  return __CARDReadSegment(chan, BlockReadCallback);
+}
+
+static void BlockWriteCallback(s32 chan, s32 result) {
+  CARDControl* card;
+  CARDCallback callback;
+
+  card = &__CARDBlock[chan];
+  if (result < 0) {
+    goto error;
+  }
+
+  card->xferred += CARD_PAGE_SIZE;
+
+  card->addr += CARD_PAGE_SIZE;
+  (u8*)card->buffer += CARD_PAGE_SIZE;
+  if (--card->repeat <= 0) {
+    goto error;
+  }
+
+  result = __CARDWritePage(chan, BlockWriteCallback);
+  if (result < 0) {
+    goto error;
+  }
+  return;
+
+error:
+  if (card->apiCallback == 0) {
+    __CARDPutControlBlock(card, result);
+  }
+  callback = card->xferCallback;
+  if (callback) {
+    card->xferCallback = 0;
+    callback(chan, result);
+  }
+}
+
+s32 __CARDWrite(s32 chan, u32 addr, s32 length, void* dst, CARDCallback callback) {
+  CARDControl* card;
+  card = &__CARDBlock[chan];
+  if (!card->attached) {
+    return CARD_RESULT_NOCARD;
+  }
+
+  card->xferCallback = callback;
+  card->repeat = (int)(length / CARD_PAGE_SIZE);
+  card->addr = addr;
+  card->buffer = dst;
+
+  return __CARDWritePage(chan, BlockWriteCallback);
+}