Identify, split, decompile m4a, and more

ResetSprites, gCharMemCursor, gSpriteCount; analysed subheaps; identified more file pointers

1 files changed, 223 insertions, 0 deletions

diff --git a/src/m4a_tables.c b/src/m4a_tables.c
new file mode 100644
index 0000000..fd289a6
--- /dev/null
+++ b/src/m4a_tables.c
@@ -0,0 +1,223 @@
+#include "gba/m4a_internal.h"
+
+// Some of these functions have different signatures, so we need to make this
+// an array of void pointers or a struct. It's simpler to just make it an array
+// for now.
+void * const gMPlayJumpTableTemplate[] =
+{
+    ply_fine,
+    ply_goto,
+    ply_patt,
+    ply_pend,
+    ply_rept,
+    ply_fine,
+    ply_fine,
+    ply_fine,
+    ply_fine,
+    ply_prio,
+    ply_tempo,
+    ply_keysh,
+    ply_voice,
+    ply_vol,
+    ply_pan,
+    ply_bend,
+    ply_bendr,
+    ply_lfos,
+    ply_lfodl,
+    ply_mod,
+    ply_modt,
+    ply_fine,
+    ply_fine,
+    ply_tune,
+    ply_fine,
+    ply_fine,
+    ply_fine,
+    ply_port,
+    ply_fine,
+    ply_endtie,
+    SampleFreqSet,
+    TrackStop,
+    FadeOutBody,
+    TrkVolPitSet,
+    RealClearChain,
+    SoundMainBTM,
+};
+
+const u8 gScaleTable[] =
+{
+    0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB,
+    0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB,
+    0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB,
+    0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB,
+    0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B,
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B,
+    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B,
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B,
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
+};
+
+const u32 gFreqTable[] =
+{
+    2147483648u,
+    2275179671u,
+    2410468894u,
+    2553802834u,
+    2705659852u,
+    2866546760u,
+    3037000500u,
+    3217589947u,
+    3408917802u,
+    3611622603u,
+    3826380858u,
+    4053909305u,
+};
+
+const u16 gPcmSamplesPerVBlankTable[] =
+{
+    96,
+    132,
+    176,
+    224,
+    264,
+    304,
+    352,
+    448,
+    528,
+    608,
+    672,
+    704,
+};
+
+const u8 gCgbScaleTable[] =
+{
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B,
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B,
+    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B,
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B,
+    0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB,
+};
+
+const s16 gCgbFreqTable[] =
+{
+    -2004,
+    -1891,
+    -1785,
+    -1685,
+    -1591,
+    -1501,
+    -1417,
+    -1337,
+    -1262,
+    -1192,
+    -1125,
+    -1062,
+};
+
+const u8 gNoiseTable[] =
+{
+    0xD7, 0xD6, 0xD5, 0xD4,
+    0xC7, 0xC6, 0xC5, 0xC4,
+    0xB7, 0xB6, 0xB5, 0xB4,
+    0xA7, 0xA6, 0xA5, 0xA4,
+    0x97, 0x96, 0x95, 0x94,
+    0x87, 0x86, 0x85, 0x84,
+    0x77, 0x76, 0x75, 0x74,
+    0x67, 0x66, 0x65, 0x64,
+    0x57, 0x56, 0x55, 0x54,
+    0x47, 0x46, 0x45, 0x44,
+    0x37, 0x36, 0x35, 0x34,
+    0x27, 0x26, 0x25, 0x24,
+    0x17, 0x16, 0x15, 0x14,
+    0x07, 0x06, 0x05, 0x04,
+    0x03, 0x02, 0x01, 0x00,
+};
+
+const u8 gCgb3Vol[] =
+{
+    0x00, 0x00,
+    0x60, 0x60, 0x60, 0x60,
+    0x40, 0x40, 0x40, 0x40,
+    0x80, 0x80, 0x80, 0x80,
+    0x20, 0x20,
+};
+
+const u8 gClockTable[] =
+{
+    0x00,
+    0x01,
+    0x02,
+    0x03,
+    0x04,
+    0x05,
+    0x06,
+    0x07,
+    0x08,
+    0x09,
+    0x0A,
+    0x0B,
+    0x0C,
+    0x0D,
+    0x0E,
+    0x0F,
+    0x10,
+    0x11,
+    0x12,
+    0x13,
+    0x14,
+    0x15,
+    0x16,
+    0x17,
+    0x18,
+    0x1C,
+    0x1E,
+    0x20,
+    0x24,
+    0x28,
+    0x2A,
+    0x2C,
+    0x30,
+    0x34,
+    0x36,
+    0x38,
+    0x3C,
+    0x40,
+    0x42,
+    0x44,
+    0x48,
+    0x4C,
+    0x4E,
+    0x50,
+    0x54,
+    0x58,
+    0x5A,
+    0x5C,
+    0x60,
+};
+
+const XcmdFunc gXcmdTable[] =
+{
+    ply_xxx,
+    ply_xwave,
+    ply_xtype,
+    ply_xxx,
+    ply_xatta,
+    ply_xdeca,
+    ply_xsust,
+    ply_xrele,
+    ply_xiecv,
+    ply_xiecl,
+    ply_xleng,
+    ply_xswee
+};