From 252e2911383a5267673f00c08419e2afeac35a31 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Thu, 13 Jul 2017 15:22:55 -0400
Subject: App now waits for confirmation to import, and reads pokedex
 seen&caught

---
 gba/source/link.c | 22 +++++++++++++++++++++
 gba/source/link.h |  2 ++
 gba/source/main.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)

(limited to 'gba/source')

diff --git a/gba/source/link.c b/gba/source/link.c
index acadf3b..26443c8 100644
--- a/gba/source/link.c
+++ b/gba/source/link.c
@@ -27,6 +27,21 @@ void waitForAck()
   REG_HS_CTRL |= JOY_RW;
 }
 
+u32 waitForResponse()
+{
+  u32 val;
+
+  REG_JOYTR = 1;
+  while ((REG_HS_CTRL & JOY_WRITE) == 0);
+  val = REG_JOYRE;
+  REG_HS_CTRL |= JOY_RW;
+  REG_JOYTR = 0;
+  while ((REG_HS_CTRL & JOY_WRITE) == 0);
+  REG_HS_CTRL |= JOY_RW;
+
+  return val;
+}
+
 void sendS32(s32 val)
 {
   REG_JOYTR = val;
@@ -36,3 +51,10 @@ void sendU32(u32 val)
 {
   REG_JOYTR = val;
 }
+
+void directSendU32(u32 val)
+{
+  REG_JOYTR = val;
+  while ((REG_HS_CTRL & JOY_READ) == 0);
+  REG_HS_CTRL |= JOY_RW;
+}
diff --git a/gba/source/link.h b/gba/source/link.h
index 08fd998..38d1c39 100644
--- a/gba/source/link.h
+++ b/gba/source/link.h
@@ -11,7 +11,9 @@
 
 void initializeLink();
 void waitForAck();
+u32 waitForResponse();
 void sendS32(s32 val);
 void sendU32(u32 val);
+void directSendU32(u32 val);
 
 #endif
diff --git a/gba/source/main.c b/gba/source/main.c
index 6207685..14d2f1d 100644
--- a/gba/source/main.c
+++ b/gba/source/main.c
@@ -10,6 +10,10 @@
 
 int main(void)
 {
+  // This possibly increases stability, I don't rightly know, this is all black
+  // magic, will test more later.
+  REG_IME = 0;
+
   initializeLink();
 
   // Identify the host game.
@@ -105,4 +109,57 @@ int main(void)
 
   sendU32(tti);
   waitForAck();
+
+  // Does the player want to import this game?
+  if (waitForResponse() == 0)
+  {
+    return 0;
+  }
+
+  // Send Pokédex data
+  u8* pokedexSeen = 0;
+  if (GAME_RS)
+  {
+    pokedexSeen = SaveBlock2->rs.pokedex.seen;
+  } else if (GAME_FRLG)
+  {
+    pokedexSeen = SaveBlock2->frlg.pokedex.seen;
+  } else if (GAME_EM)
+  {
+    pokedexSeen = SaveBlock2->e.pokedex.seen;
+  }
+
+  for (int i=0; i<13; i++)
+  {
+    u32 psi =
+        (pokedexSeen[i*4])
+      | (pokedexSeen[i*4+1] << 8)
+      | (pokedexSeen[i*4+2] << 16)
+      | (pokedexSeen[i*4+3] << 24);
+
+    directSendU32(psi);
+  }
+
+  u8* pokedexCaught = 0;
+  if (GAME_RS)
+  {
+    pokedexCaught = SaveBlock2->rs.pokedex.owned;
+  } else if (GAME_FRLG)
+  {
+    pokedexCaught = SaveBlock2->frlg.pokedex.owned;
+  } else if (GAME_EM)
+  {
+    pokedexCaught = SaveBlock2->e.pokedex.owned;
+  }
+
+  for (int i=0; i<13; i++)
+  {
+    u32 psi =
+        (pokedexCaught[i*4])
+      | (pokedexCaught[i*4+1] << 8)
+      | (pokedexCaught[i*4+2] << 16)
+      | (pokedexCaught[i*4+3] << 24);
+
+    directSendU32(psi);
+  }
 }
-- 
cgit 1.4.1