diff options
Diffstat (limited to 'arm9/source/bang.h')
| -rw-r--r-- | arm9/source/bang.h | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/arm9/source/bang.h b/arm9/source/bang.h index 110e243..b85e9cd 100644 --- a/arm9/source/bang.h +++ b/arm9/source/bang.h @@ -1,31 +1,39 @@ #ifndef BANG_H_ #define BANG_H_ - #define SET_HIGH(v,high) v = high << 8 | (v & 0x00ff) - #define SET_LOW(v,low) v = (v & 0xff00) | low - #define HIGH(v) (u8)((v) >> 8) - #define LOW(v) (u8)((v) ) + #include <nds.h> - #define SET_H_HIGH(v,high) v = high << 24 | (v & 0x00ffffff) - #define SET_H_LOW(v,low) v = low << 16 | (v & 0xff00ffff) - #define SET_L_HIGH(v,high) v = high << 8 | (v & 0xffff00ff) - #define SET_L_LOW(v,low) v = low | (v & 0xffffff00) - #define H_HIGH(v) (u8)((v) >> 24) - #define H_LOW(v) (u8)((v) >> 16) - #define L_HIGH(v) (u8)((v) >> 8) - #define L_LOW(v) (u8)((v) ) - #define LEFT(x) ((x) >> 4) - #define RIGHT(x) ((x) & 0xf) - - #define SHF(x,y) (x >> RIGHT(y) << LEFT(y)) - #define TAL(x) __builtin_popcount(x) - - #define TEST(x,m) ((x & m) == m) + // Read and write individual bytes from a 32-bit value. + #define SETHH(v,h) v = h << 24 | (v & 0x00ffffff) + #define SETHL(v,l) v = l << 16 | (v & 0xff00ffff) + #define SETLH(v,h) v = h << 8 | (v & 0xffff00ff) + #define SETLL(v,l) v = l | (v & 0xffffff00) + #define GETHH(v) (u8)((v) >> 24) + #define GETHL(v) (u8)((v) >> 16) + #define GETLH(v) (u8)((v) >> 8) + #define GETLL(v) (u8)((v) ) + // Aliases for use on 16-bit values. + #define SETH(v,h) SETLH(v,h) + #define SETL(v,l) SETLL(v,l) + #define GETH(v) GETLH(v) + #define GETL(v) GETLL(v) + // Test if all bits of a mask are set in a value. + #define TEST(v,m) ((v & m) == m) + // Convert a C-style boolean to a Bedrock-style boolean. #define BOOL(v) ((u8)-(v)) + // Merge two bytes together as a double. #define DOUBLE(h,l) ((u16)(h) << 8 | (u16)(l)) + // Extract the high and low bytes of a double. + #define HIGH(v) (u8)(v >> 8) + #define LOW(v) (u8)(v) + // Find the highest or lowest value of a pair. + #define MAX(x,y) (x>y ? x : y) + #define MIN(x,y) (x<y ? x : y) - u8 rev(u8 x); - u8 shc(u8 x, u8 y); - u16 shcd(u16 x, u8 y); + // Functions. + u8 ROL1(u8 v, u8 d); + u16 ROLD(u16 v, u8 d); + u8 ROR1(u8 v, u8 d); + u16 RORD(u16 v, u8 d); #endif |