mirror of https://github.com/zeldaret/tmc.git
101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
#ifndef GUARD_GLOBAL_H
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#define GUARD_GLOBAL_H
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#include "gba/gba.h"
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#include <string.h>
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// Prevent cross-jump optimization.
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#define BLOCK_CROSS_JUMP asm("");
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// to help in decompiling
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#define asm_comment(x) asm volatile("@ -- " x " -- ")
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#define asm_unified(x) asm(".syntax unified\n" x "\n.syntax divided")
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#if defined(__APPLE__) || defined(__CYGWIN__)
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// Get the IDE to stfu
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// We define it this way to fool preproc.
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#define INCBIN(...) \
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{ 0 }
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#define INCBIN_U8 INCBIN
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#define INCBIN_U16 INCBIN
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#define INCBIN_U32 INCBIN
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#define INCBIN_S8 INCBIN
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#define INCBIN_S16 INCBIN
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#define INCBIN_S32 INCBIN
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#define _(x) (x)
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#define __(x) (x)
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#endif // __APPLE__
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#define ARRAY_COUNT(array) (sizeof(array) / sizeof((array)[0]))
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#define SWAP(a, b, temp) \
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{ \
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(temp) = a; \
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(a) = b; \
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(b) = temp; \
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}
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// useful math macros
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// Converts a number to Q8.8 fixed-point format
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#define Q_8_8(n) ((s16)((n)*256))
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// Converts a number to Q4.12 fixed-point format
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#define Q_4_12(n) ((s16)((n)*4096))
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#define max(a, b) ((a) >= (b) ? (a) : (b))
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#define BOOLCAST(x) ((-(x) | (x)) >> 31)
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#define static_assert(cond) extern char assertion[(cond) ? 1 : -1]
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#if NON_MATCHING
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#define ASM_FUNC(path, decl)
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#else
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#define ASM_FUNC(path, decl) \
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NAKED decl { \
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asm(".include " #path); \
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}
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#endif
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#if NON_MATCHING
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#define NONMATCH(path, decl) decl
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#define END_NONMATCH
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#else
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#define NONMATCH(path, decl) \
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NAKED decl { \
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asm(".include " #path); \
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if (0)
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#define END_NONMATCH }
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#endif
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typedef union {
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s32 WORD;
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struct {
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s16 x, y;
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} HALF;
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} Coords;
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union SplitWord {
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s32 WORD;
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struct {
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s16 LO, HI;
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} HALF;
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struct {
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u16 LO, HI;
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} HALF_U;
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struct {
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u8 byte0, byte1, byte2, byte3;
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} BYTES;
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};
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union SplitHWord {
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u16 HWORD;
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struct {
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u8 LO, HI;
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} PACKED HALF;
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} PACKED;
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#endif // GUARD_GLOBAL_H
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