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saved 46 bytes by making some literal modulo operands explicitly unsigned

This commit is contained in:
Christian Kroll 2011-03-07 01:13:35 +00:00
parent e4faa25d16
commit 8a23a3bc8d
3 changed files with 6 additions and 6 deletions
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4
animations/bitmapscroller.c
View File

@ -150,11 +150,11 @@ static void bitmap_recalculateVector(bitmap_t const *const pBitmap,
{
if (((x + *pdx) > (pBitmap->nXDomain)) || ((x + *pdx) < 0))
{
*pdx = random8() % 2 * (x < (pBitmap->nXDomain / 2) ? 1 : -1);
*pdx = random8() % 2u * (x < (pBitmap->nXDomain / 2) ? 1 : -1);
}
if (((y + *pdy) > (pBitmap->nYDomain)) || ((y + *pdy) < 0))
{
*pdy = random8() % 2 * (y < (pBitmap->nYDomain / 2) ? 1 : -1);
*pdy = random8() % 2u * (y < (pBitmap->nYDomain / 2) ? 1 : -1);
}
if (*pdx == 0 && *pdy == 0)
{

6
games/snake/snake_game.c
View File

@ -27,7 +27,7 @@ game_descriptor_t snake_game_descriptor __attribute__((section(".game_descriptor
#define SNAKE_NEWCONTROL
// limits
#define SNAKE_MAX_LENGTH 64
#define SNAKE_MAX_LENGTH 64u
#define SNAKE_MAX_APPLES 10
// delays (in milliseconds)
@ -194,7 +194,7 @@ static void snake_userControl(snake_protagonist_t *pprotSnake,
{
// rotate through directions (either clockwise or counterclockwise)
pprotSnake->dir = (pprotSnake->dir +
(dirJoystick == SNAKE_DIR_LEFT ? 3 : 1)) % 4;
(dirJoystick == SNAKE_DIR_LEFT ? 3 : 1)) % 4u;
}
}
*pdirLast = dirJoystick;
@ -273,7 +273,7 @@ static void snake_autoRoute(snake_protagonist_t *pprotSnake,
return;
}
}
pprotSnake->dir = (pprotSnake->dir + 1) % 4;
pprotSnake->dir = (pprotSnake->dir + 1) % 4u;
}
else
{

2
pixel.h
View File

@ -60,7 +60,7 @@ inline static unsigned char get_next_pixel(pixel p, direction_t dir){
inline static direction_t direction_r(direction_t dir){
return (dir + 1) % 4;
return (dir + 1) % 4u;
}