changed compiler optimization, fixed debug

makefile

@@ -14,7 +14,7 @@ export PATH := $(realpath ../tools):$(PATH)
 
 DEFINES   := -DBPRE -DSOFTWARE_VERSION=0
 ASFLAGS   := -mthumb
-CFLAGS    := -mthumb -mthumb-interwork -g -mcpu=arm7tdmi -fno-inline -mlong-calls -march=armv4t -O3 -std=c99 -Wall -Wextra -Wunreachable-code -Isrc/include $(DEFINES)
+CFLAGS    := -mthumb -mthumb-interwork -g -mcpu=arm7tdmi -fno-inline -mlong-calls -march=armv4t -O0 -std=c99 -Wall -Wextra -Wunreachable-code -Isrc/include $(DEFINES)
 GRITFLAGS := -ftc -fa
 LDFLAGS   := -z muldefs
 BLDPATH   := object

src/agb_debug/agb_debug.c

@@ -34,7 +34,16 @@ void dprint(const char * sz)
 {
     __asm__ __volatile__(
         "mov r2, %0\n"
-        "ldr r0, =0xc0ded00d\n"
+        "mov r0, #0xC0\n"
+        "lsl r0, #0x8\n"
+        "mov r1, #0xDE\n"
+        "orr r0, r1\n"
+        "lsl r0, #0x8\n"
+        "mov r1, #0xD0\n"
+        "orr r0, r1\n"
+        "lsl r0, #8\n"
+        "mov r1, #0x0D\n"
+        "orr r0, r1\n"
         "mov r1, #0\n"
         "and r0, r0, r0\n":
         :
@@ -155,13 +164,12 @@ int mini_vsnprintf(char * buffer, u32 buffer_len,
 }
 
 void dprintf(const char * str, ...)
-    //---------------------------------------------------------------------------------
-    {
-        char* __outstr = malloc(256);
-        va_list args;
-        va_start(args, str);
-        mini_vsnprintf(__outstr, 256, str, args);
-        va_end(args);
-        dprint(__outstr);
-        free(__outstr);
-    }
+{
+    char* __outstr = malloc(256);
+    va_list args;
+    va_start(args, str);
+    mini_vsnprintf(__outstr, 256, str, args);
+    va_end(args);
+    dprint(__outstr);
+    free(__outstr);
+}