Added error messages

Makefile

@@ -50,7 +50,7 @@ LD_FILES := $(LD_DIR)/sms.ld $(LD_DIR)/$(GAME_VERSION).ld
 GECKO_FILE_LOADER := $(GECKO_DIR)/$(GECKO_OUT_DIR)/gecko-gosub.bin
 GECKO_FILES := $(GECKO_FILE_LOADER) $(GECKO_DIR)/$(GECKO_OUT_DIR)/gecko-return.bin
 
-OBJS := main.o card.o
+OBJS := main.o card.o drawText.o
 
 all: $(OUT_DIR)/$(OUT_BIN) $(OUT_DIR)/$(OUT_LST) $(OUT_DIR)/$(OUT_ASM) $(OUT_DIR)/$(OUT_LOADER_TXT)
 
@@ -70,8 +70,8 @@ $(OBJ_FILES): $(SRC_FILES) check-set-GAME_VERSION #check-set-TARGET_VERSION
 	$(CC) $(CFLAGS) -D VERSION=$(TARGET_VERSION) -I $(INC_DIR) -o $@ -c $(@:.o=.c)
 
 $(OUT_DIR)/$(OUT_LOADER_TXT): $(OUT_DIR)/$(OUT_BIN) $(OUT_DIR)/$(OUT_MAP) $(GECKO_FILE_LOADER) | $(OUT_DIR)
-	$(BIN2GCT) hook:$(OUT_DIR)/$(OUT_MAP):$(OUT_DIR)/$(OUT_BIN):onReadOptionBlock C0:$(GECKO_FILE_LOADER) > $@
-$(GECKO_FILES):
+	$(BIN2GCT) hook:$(OUT_DIR)/$(OUT_MAP):$(OUT_DIR)/$(OUT_BIN):onReadOptionBlock:willDrawFader C0:$(GECKO_FILE_LOADER) > $@
+$(GECKO_FILES): $(LD_FILES)
 	$(MAKE) -C$(GECKO_DIR) OUT_DIR=$(GECKO_OUT_DIR) $(patsubst $(GECKO_DIR)/%,%,$@)
 
 $(OUT_DIR):

gecko/Makefile

@@ -25,8 +25,8 @@ all: $(OUT_TXT)
 
 %.o: %.s
 	$(AS) $(ASFLAGS) -o $@ -c $^
-%.ld.o: %.o
-	$(LD) $(LDFLAGS) -o $@ -T $(LD_FILES) $^
+%.ld.o: %.o $(LD_FILES)
+	$(LD) $(LDFLAGS) -o $@ -T $(LD_FILES) $<
 $(OUT_DIR)/%.bin: $(SRC_DIR)/%.ld.o | $(OUT_DIR)
 	$(OBJCOPY) $(OBJCOPYFLAGS) $< $@
 $(OUT_DIR)/%.txt: $(OUT_DIR)/%.bin | $(OUT_DIR)

gecko/hook.csv

@@ -1,2 +1,3 @@
 symbol,GMSE01,GMSJ01,GMSP01,GMSJ0A
 onReadOptionBlock,802B17D0,801069F4,802A96E0,80291538
+willDrawFader,802A62B0,800F9CB4,8029E1C0,8028610C

include/card.h

@@ -9,6 +9,9 @@
 #define LOAD_ERR_SIZE  -3
 #define LOAD_ERR_FILE_NOT_EXIST -4
 #define LOAD_ERR_READ  -5
+#define LOAD_STAT_INIT    0
+#define LOAD_STAT_LOADING 1
+#define LOAD_STAT_DONE    2
 int loadCard(TCardManager *cm, CARDFileInfo *fileInfo, char *fileName, u32 *dst);
 
 #endif

include/drawText.h

@@ -0,0 +1,15 @@
+#include <stdint.h>
+
+#ifndef __DRAW_H__
+#define __DRAW_H__
+
+typedef struct {
+  int16_t x;
+  int16_t y;
+  uint32_t fontSize;
+  uint32_t colorTop;
+  uint32_t colorBot;
+} DrawTextOpt;
+void drawText(DrawTextOpt *opt, const char *fmt, ...);
+
+#endif

include/sms.h

@@ -1,3 +1,7 @@
+#include <stdarg.h>
+#include "typedefs.h"
+#include "gcn.h"
+
 #ifndef __SMS_H__
 #define __SMS_H__
 
@@ -9,4 +13,39 @@ typedef struct
 int mount_(TCardManager *this, bool);
 int open_(TCardManager *this, CARDFileInfo *fileInfo);
 
+typedef struct TApplication {
+  struct TApplication *self;
+  void *director;
+  u8 directorType;
+} TApplication;
+extern TApplication gpApplication;
+
+// Render related
+extern struct {} *gpSystemFont;
+typedef float Mtx[3][4];
+typedef struct {
+  void* __vt__;
+  char unk[0x1c-4];
+  int xInt;
+  int yInt;
+  float xFloat;
+  float yFloat;
+  float zFloat;
+  char unk1[12];
+  uint32_t bgMask;
+  uint32_t fgMask;
+  uint32_t colorTop;
+  uint32_t colorBot;
+  int x4c;
+  int lineHeight;
+  int x54;
+  int fontWidth;
+  int fontHeight;
+  char unk3[8];
+} J2DPrint;
+
+void new_J2DPrint(void *this, void *font, int x4c, int lineHeight, uint32_t *colorTop, uint32_t *colorBot);
+// color.alpha = printer->color.alpha * alphaMask/0xff
+void J2DPrint_print_alpha_va(void *printer, uint8_t alphaMask, const char *fmt, va_list args);
+
 #endif

include/typedefs.h

@@ -1,5 +1,6 @@
 #ifndef __TYPEDEF_H__
 #define __TYPEDEF_H__
+#include <stdint.h>
 
 typedef int bool;
 #define true  1

ldscript/GMSE01.ld

@@ -3,3 +3,8 @@ open_ = 0x802b20d0;
 CARDOpen = 0x8035938c;
 CARDRead = 0x80359d20;
 CARDClose = 0x80359504;
+JUTRect_set = 0x802ca1e0;
+gpSystemFont = 0x8040e188;
+new_J2DPrint = 0x802cdcf8;
+J2DPrint_print_alpha_va = 0x802cdbbc;
+gpApplication = 0x803e9700;

ldscript/GMSJ01.ld

@@ -3,3 +3,8 @@ open_ = 0x801072f4;
 CARDOpen = 0x800a3cac;
 CARDRead = 0x800a4640;
 CARDClose = 0x800a3e24;
+JUTRect_set = 0x8001321c;
+gpSystemFont = 0x8040a2b8;
+new_J2DPrint = 0x80016db4;
+J2DPrint_print_alpha_va = 0x80016c78;
+gpApplication = 0x803e6000;

ldscript/GMSJ0A.ld

@@ -3,3 +3,8 @@ open_ = 0x80291e38;
 CARDOpen = 0x80338c8c;
 CARDRead = 0x80339620;
 CARDClose = 0x80338e04;
+JUTRect_set = 0x802a99f0;
+gpSystemFont = 0x803ff028;
+new_J2DPrint = 0x802ad508;
+J2DPrint_print_alpha_va = 0x802ad3cc;
+gpApplication = 0x803da8e0;

ldscript/GMSP01.ld

@@ -3,3 +3,8 @@ open_ = 0x802a9fe0;
 CARDOpen = 0x803515ac;
 CARDRead = 0x80351f40;
 CARDClose = 0x80351724;
+JUTRect_set = 0x802c2274;
+gpSystemFont = 0x80405850;
+new_J2DPrint = 0x802c5d8c;
+J2DPrint_print_alpha_va = 0x802c5c50;
+gpApplication = 0x803e10c0;

ldscript/sms.ld

@@ -1,11 +1,12 @@
 /**
  * There seems to be an alignment issue
  * addr of GCTDST.code may need to be a multiple of 0x200 or something?
+ * The address should be sync with the value set in GCI Generator
  */
 GCTDST = 0x817F1800 - 8;
 
 SECTIONS {
-  . = 0x817FE800;  /* TODO: Determine Best Address */
+  . = 0x817FD800;  /* TODO: Determine Best Address */
   .text : { *(.text) }
   .rodata : { *(.rodata) }
   .data : { *(.data) }

source/drawText.c

@@ -0,0 +1,27 @@
+#include "sms.h"
+#include "drawText.h"
+
+void drawText(DrawTextOpt *opt, const char *fmt, ...) {
+  J2DPrint printer;
+
+  va_list args;
+  va_start(args, fmt);
+
+  // new J2DPrinter
+  new_J2DPrint(&printer, gpSystemFont, 0, opt->fontSize, &opt->colorTop, &opt->colorBot);
+  printer.fontWidth = printer.fontHeight = opt->fontSize;
+
+  // set coordinate
+  printer.xInt = opt->x;
+  // printer.yInt = opt->y; // (actually unused)
+  printer.xFloat = opt->x;
+  printer.yFloat = opt->y;
+  printer.zFloat = 0;
+
+  // print text
+  J2DPrint_print_alpha_va(&printer, 0xff, fmt, args);
+  va_end(args);
+
+  // no need to delete if not allocating memory from heap
+  // delete_J2DPrint(&printer, -1);
+}

source/main.c

@@ -1,5 +1,6 @@
 #include "gcn.h"
 #include "card.h"
+#include "drawText.h"
 
 #if VERSION == 1
 #define FILENAME "GCT_GMSE01"
@@ -48,3 +49,48 @@ int onReadOptionBlock(TCardManager *this, CARDFileInfo *fileInfo)
     loadCodes(this, fileInfo);
   return open_(this, fileInfo);
 }
+
+// TODO better hook address?
+// e.g. hook after fader.draw() (but also avoid conflict with controller display)
+void JUTRect_set(void *r3, u32 r4, u32 r5, u32 r6, u32 r7);
+void willDrawFader(void *r3, u32 r4, u32 r5, u32 r6, u32 r7) {
+  JUTRect_set(r3, r4, r5, r6, r7);
+
+  // do not show GCI status until boot finished
+  if (gpApplication.directorType < 4) return;
+  DrawTextOpt opt = {
+    .x = 16,
+    .y = 440,
+    .fontSize = 32,
+    .colorTop = 0xff3333bb,
+    .colorBot = 0xff3333bb
+  };
+  switch (GCTDST.status) {
+    case LOAD_ERR_MOUNT:
+      drawText(&opt, "Fail to mount memory card");
+      break;
+    case LOAD_ERR_OPEN:
+      drawText(&opt, "Fail to open GCI file: "FILENAME);
+      break;
+    case LOAD_ERR_SIZE:
+      drawText(&opt, "GCI file too large: "FILENAME);
+      break;
+    case LOAD_ERR_FILE_NOT_EXIST:
+      drawText(&opt, "GCI file not exists: "FILENAME);
+      break;
+    case LOAD_ERR_READ:
+      drawText(&opt, "Fail to read GCI file");
+      break;
+    case LOAD_STAT_INIT:
+      drawText(&opt, "Preparing to load GCI file...");
+      break;
+    case LOAD_STAT_LOADING:
+      drawText(&opt, "Loading GCI file...");
+      break;
+    case LOAD_STAT_DONE:
+      break;
+    default:
+      drawText(&opt, "Unknown GCI Error: %d", GCTDST.status);
+      break;
+  }
+}