Modernize code

Can compile with arm-none-eabi-gcc 8.3.0
gbafix correctly handles ELF input

include/gba/defines.h

@@ -6,9 +6,20 @@
 #define TRUE  1
 #define FALSE 0
 
+#define BSS_DATA   __attribute__((section(".bss")))
+#if MODERN
+#define IWRAM_DATA
+#else
 #define IWRAM_DATA __attribute__((section("iwram_data")))
+#endif
 #define EWRAM_DATA __attribute__((section("ewram_data")))
 
+#if MODERN
+#define NOINLINE __attribute__((noinline))
+#else
+#define NOINLINE
+#endif
+
 #define ALIGNED(n) __attribute__((aligned(n)))
 
 #define SOUND_INFO_PTR (*(struct SoundInfo **)0x3007FF0)

include/gba/macro.h

@@ -192,4 +192,29 @@
     REG_IME = imeTemp;                                          \
 }                                                               \
 
+#if MODERN
+#define FLOAT_UNS(x, bit) ({                   \
+    s##bit sx = x;                             \
+    float fx = (float)sx;                      \
+    if (sx < 0) fx += (1 << (bit - 1)) * 2.0f; \
+    fx;                                        \
+})
+#define DOUBLE_UNS(x, bit) ({                   \
+    s##bit sx = x;                              \
+    double dx = (double)sx;                     \
+    if (sx < 0) dx += (1 << (bit - 1)) * 2.0;   \
+    dx;                                         \
+})
+#else
+#define FLOAT_UNS(x, bit) ((float)(x))
+#define DOUBLE_UNS(x, bit) ((double)(x))
+#endif //MODERN
+
+#define FLOAT_U8(x) FLOAT_UNS(x, 8)
+#define FLOAT_U16(x) FLOAT_UNS(x, 16)
+#define FLOAT_U32(x) FLOAT_UNS(x, 32)
+#define DOUBLE_U8(x) DOUBLE_UNS(x, 8)
+#define DOUBLE_U16(x) DOUBLE_UNS(x, 16)
+#define DOUBLE_U32(x) DOUBLE_UNS(x, 32)
+
 #endif // GUARD_GBA_MACRO_H

include/global.h

@@ -62,6 +62,10 @@
 #define min(a, b) ((a) < (b) ? (a) : (b))
 #define max(a, b) ((a) >= (b) ? (a) : (b))
 
+#if MODERN
+#define abs(x) (((x) < 0) ? -(x) : (x))
+#endif
+
 // Extracts the upper 16 bits of a 32-bit number
 #define HIHALF(n) (((n) & 0xFFFF0000) >> 16)
 

include/graphics.h

@@ -4005,9 +4005,6 @@ extern const u32 gBerryPalette_Starf[];
 extern const u32 gBerryPic_Enigma[];
 extern const u32 gBerryPalette_Enigma[];
 
-//credits
-extern const u32 gCreditsCopyrightEnd_Gfx[];
-
 //pokenav
 extern const u8 gPokenavConditionMarker_Gfx[];
 extern const u16 gPokenavConditionMarker_Pal[];

include/player_pc.h

@@ -1,6 +1,8 @@
 #ifndef GUARD_PLAYER_PC_H
 #define GUARD_PLAYER_PC_H
 
+#include "menu.h"
+
 // local task defines
 #define PAGE_INDEX data[0]
 #define ITEMS_ABOVE_TOP data[1]

include/strings.h

@@ -485,7 +485,6 @@ extern const u8 gText_CryOf[];
 extern const u8 gText_SizeComparedTo[];
 extern const u8 gText_PokedexRegistration[];
 extern const u8 gText_UnkCtrlF908Clear01[];
-extern const u8 sText_TenDashes2[];
 extern const u8 gText_5MarksPokemon[];
 extern const u8 gText_UnkHeight[];
 extern const u8 gText_UnkWeight[];