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53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#ifndef _MACROS_H_
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#define _MACROS_H_
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#define true 1
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#define false 0
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// Avoid compiler warnings for unused variables
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#ifdef __GNUC__
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#define UNUSED __attribute__((unused))
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#else
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#define UNUSED
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#endif
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#ifndef __sgi
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#define GLOBAL_ASM(...)
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#endif
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#ifdef _LANGUAGE_C
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#define HW_REG(reg, type) *(volatile type*)((reg) | 0xA0000000)
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#endif
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#define ARRAY_COUNT(arr) (s32)(sizeof(arr) / sizeof(arr[0]))
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#define SQ(x) ((x) * (x))
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#define ROUND(x) (s32)(((x) >= 0.0) ? ((x) + 0.5) : ((x) - 0.5))
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#define assert
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// cast thru uintptr_t for integer to pointer casts
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#define INT2VOID(i) ((void *)(uintptr_t)(i))
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#define SCREEN_WIDTH 320
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#define SCREEN_HEIGHT 240
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#define ALIGN4(val) (((val) + 0x3) & ~0x3)
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#define ALIGN8(val) (((val) + 0x7) & ~0x7)
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#define ALIGN16(val) (((val) + 0xF) & ~0xF)
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#define ALIGN64(val) (((val) + 0x3F) & ~0x3F)
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#define DECR(x) ((x) == 0 ? 0 : --(x))
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//! checks min first
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#define CLAMP(x, min, max) ((x) < (min) ? (min) : (x) > (max) ? (max) : (x))
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//! checks max first
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#define CLAMP_ALT(x, min, max) ((x) > (max) ? (max) : (x) < (min) ? (min) : (x))
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#define CLAMP_MAX(x, max) ((x) > (max) ? (max) : (x))
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#define CLAMP_MIN(x, min) ((x) < (min) ? (min) : (x))
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#define ABS(x) ((x) >= 0 ? (x) : -(x))
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#define ABS_ALT(x) ((x) < 0 ? -(x) : (x))
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#endif
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