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Merge pull request #558 from GriffinRichards/doc-intro

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Document intro
This commit is contained in:
GriffinR
2022-09-30 01:53:07 -04:00
committed by GitHub
parent 2e9ce9b2a0 fa9808f79d
commit fc836b9de4
64 changed files with 1525 additions and 1343 deletions
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include/gba/io_reg.h
+8 -1
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@@ -552,6 +552,7 @@
#define WININ_WIN0_BG_ALL (WININ_WIN0_BG0 | WININ_WIN0_BG1 | WININ_WIN0_BG2 | WININ_WIN0_BG3)
#define WININ_WIN0_OBJ (1 << 4)
#define WININ_WIN0_CLR (1 << 5)
#define WININ_WIN0_ALL (WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN0_CLR)
#define WININ_WIN1_BG0 (1 << 8)
#define WININ_WIN1_BG1 (1 << 9)
#define WININ_WIN1_BG2 (1 << 10)
@@ -559,6 +560,7 @@
#define WININ_WIN1_BG_ALL (WININ_WIN1_BG0 | WININ_WIN1_BG1 | WININ_WIN1_BG2 | WININ_WIN1_BG3)
#define WININ_WIN1_OBJ (1 << 12)
#define WININ_WIN1_CLR (1 << 13)
#define WININ_WIN1_ALL (WININ_WIN1_BG_ALL | WININ_WIN1_OBJ | WININ_WIN1_CLR)
#define WINOUT_WIN01_BG0 (1 << 0)
#define WINOUT_WIN01_BG1 (1 << 1)
@@ -567,6 +569,7 @@
#define WINOUT_WIN01_BG_ALL (WINOUT_WIN01_BG0 | WINOUT_WIN01_BG1 | WINOUT_WIN01_BG2 | WINOUT_WIN01_BG3)
#define WINOUT_WIN01_OBJ (1 << 4)
#define WINOUT_WIN01_CLR (1 << 5)
#define WINOUT_WIN01_ALL (WINOUT_WIN01_BG_ALL | WINOUT_WIN01_OBJ | WINOUT_WIN01_CLR)
#define WINOUT_WINOBJ_BG0 (1 << 8)
#define WINOUT_WINOBJ_BG1 (1 << 9)
#define WINOUT_WINOBJ_BG2 (1 << 10)
@@ -574,6 +577,7 @@
#define WINOUT_WINOBJ_BG_ALL (WINOUT_WINOBJ_BG0 | WINOUT_WINOBJ_BG1 | WINOUT_WINOBJ_BG2 | WINOUT_WINOBJ_BG3)
#define WINOUT_WINOBJ_OBJ (1 << 12)
#define WINOUT_WINOBJ_CLR (1 << 13)
#define WINOUT_WINOBJ_ALL (WINOUT_WINOBJ_BG_ALL | WINOUT_WINOBJ_OBJ | WINOUT_WINOBJ_CLR)
#define WIN_RANGE(a, b) (((a) << 8) | (b))
#define WIN_RANGE2(a, b) ((b) | ((a) << 8))
@@ -584,8 +588,10 @@
#define BLDCNT_TGT1_BG1 (1 << 1)
#define BLDCNT_TGT1_BG2 (1 << 2)
#define BLDCNT_TGT1_BG3 (1 << 3)
#define BLDCNT_TGT1_BG_ALL (BLDCNT_TGT1_BG0 | BLDCNT_TGT1_BG1 | BLDCNT_TGT1_BG2 | BLDCNT_TGT1_BG3)
#define BLDCNT_TGT1_OBJ (1 << 4)
#define BLDCNT_TGT1_BD (1 << 5)
#define BLDCNT_TGT1_ALL (BLDCNT_TGT1_BG_ALL | BLDCNT_TGT1_OBJ | BLDCNT_TGT1_BD)
// Bits 6-7 select the special effect
#define BLDCNT_EFFECT_NONE (0 << 6) // no special effect
#define BLDCNT_EFFECT_BLEND (1 << 6) // 1st+2nd targets mixed (controlled by BLDALPHA)
@@ -596,9 +602,10 @@
#define BLDCNT_TGT2_BG1 (1 << 9)
#define BLDCNT_TGT2_BG2 (1 << 10)
#define BLDCNT_TGT2_BG3 (1 << 11)
#define BLDCNT_TGT2_BG_ALL (BLDCNT_TGT2_BG0 | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3)
#define BLDCNT_TGT2_OBJ (1 << 12)
#define BLDCNT_TGT2_BD (1 << 13)
#define BLDCNT_TGT2_ALL (BLDCNT_TGT2_BG0 | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3 | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD)
#define BLDCNT_TGT2_ALL (BLDCNT_TGT2_BG_ALL | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD)
// BLDALPHA
#define BLDALPHA_BLEND(target1, target2) (((target2) << 8) | (target1))
include/intro.h
+2 -2
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@@ -1,7 +1,7 @@
#ifndef GUARD_INTRO_H
#define GUARD_INTRO_H
void CB2_CopyrightScreen(void);
void c2_copyright_1(void);
void CB2_InitCopyrightScreenAfterTitleScreen(void);
void CB2_InitCopyrightScreenAfterBootup(void);
#endif //GUARD_INTRO_H
include/random.h
+3 -2
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@@ -15,8 +15,9 @@ u16 Random2(void);
// The number 1103515245 comes from the example implementation of rand and srand
// in the ISO C standard.
#define ISO_RANDOMIZE1(val)(1103515245 * (val) + 24691)
#define ISO_RANDOMIZE2(val)(1103515245 * (val) + 12345)
#define RAND_MULT 1103515245
#define ISO_RANDOMIZE1(val)(RAND_MULT * (val) + 24691)
#define ISO_RANDOMIZE2(val)(RAND_MULT * (val) + 12345)
//Sets the initial seed value of the pseudorandom number generator
void SeedRng(u16 seed);
include/sprite.h
+5 -2
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@@ -7,6 +7,9 @@
#define SPRITE_NONE 0xFF
#define TAG_NONE 0xFFFF
// Given to SetSpriteMatrixAnchor to skip anchoring one of the coords.
#define NO_ANCHOR 0x800
struct SpriteSheet
{
const void *data; // Raw uncompressed pixel data
@@ -228,7 +231,7 @@ struct Sprite
u16 animEnded:1; //0x10
u16 affineAnimEnded:1; //0x20
u16 usingSheet:1; //0x40
u16 flags_f:1; //0x80
u16 anchored:1; //0x80
/*0x40*/ u16 sheetTileStart;
@@ -316,6 +319,6 @@ void ClearSpriteCopyRequests(void);
void ResetAffineAnimData(void);
void FreeSpriteTilesIfNotUsingSheet(struct Sprite *sprite);
s16 AllocSpriteTiles(u16 tileCount);
void obj_pos2_update_enable(struct Sprite* sprite, s16 xmod, s16 ymod);
void SetSpriteMatrixAnchor(struct Sprite* sprite, s16 xmod, s16 ymod);
#endif //GUARD_SPRITE_H