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myLib.h
122 lines (93 loc) · 2.56 KB
/
myLib.h
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typedef unsigned short u16;
typedef unsigned int u32;
#define REG_DISPCTL *(unsigned short *)0x4000000
#define SCANLINECOUNTER *(volatile u16 *)0x4000006
#define MODE3 3
#define BG2_ENABLE (1<<10)
#define OFFSET(r,c,numcols) ((r)*(numcols)+(c))
#define COLOR(r, g, b) ((r) | (g)<<5 | (b)<<10)
#define WHITE COLOR(31,31,31)
#define GREY COLOR(15,15,15)
#define RED COLOR(31,0,0)
#define GREEN COLOR(0,31,0)
#define BLUE COLOR(0,0,31)
#define CYAN COLOR(0, 31,31)
#define MAGENTA COLOR(31,0,31)
#define YELLOW COLOR(31, 31, 0)
#define BLACK 0
// *** Input =========================================================
// Buttons
#define BUTTON_A (1<<0)
#define BUTTON_B (1<<1)
#define BUTTON_SELECT (1<<2)
#define BUTTON_START (1<<3)
#define BUTTON_RIGHT (1<<4)
#define BUTTON_LEFT (1<<5)
#define BUTTON_UP (1<<6)
#define BUTTON_DOWN (1<<7)
#define BUTTON_R (1<<8)
#define BUTTON_L (1<<9)
#define KEY_DOWN_NOW(key) (~(BUTTONS) & key)
#define BUTTONS *(volatile unsigned int *)0x4000130
/* DMA */
#define DMA ((volatile DMAREC *)0x040000B0)
#define DMA_DESTINATION_INCREMENT (0 << 21)
#define DMA_DESTINATION_DECREMENT (1 << 21)
#define DMA_DESTINATION_FIXED (2 << 21)
#define DMA_DESTINATION_RESET (3 << 21)
#define DMA_SOURCE_INCREMENT (0 << 23)
#define DMA_SOURCE_DECREMENT (1 << 23)
#define DMA_SOURCE_FIXED (2 << 23)
#define DMA_REPEAT (1 << 25)
#define DMA_16 (0 << 26)
#define DMA_32 (1 << 26)
#define DMA_NOW (0 << 28)
#define DMA_AT_VBLANK (1 << 28)
#define DMA_AT_HBLANK (2 << 28)
#define DMA_AT_REFRESH (3 << 28)
#define DMA_IRQ (1 << 30)
#define DMA_ON (1 << 31)
#define START_ON_FIFO_EMPTY 0x30000000
extern unsigned short *videoBuffer;
typedef struct
{
int row;
int col;
int rd;
int cd;
int size;
u16 color;
} BIRD;
typedef struct
{
int row;
int col;
int width;
int height;
int passed;
u16 color;
} PIPE;
typedef struct
{
const volatile void *src;
volatile void *dst;
volatile u32 cnt;
} DMAREC;
typedef struct
{
int row;
int col;
} LINK;
// Prototypes
void setPixel(int row, int col, u16 color);
void drawRect(int row, int col, int height, int width, u16 color);
void drawPipe(PIPE *pipe, u16 color);
int passedPipe(BIRD *bird, PIPE *pipe);
int intersects(BIRD *bird, PIPE *pipe);
void drawHollowRect(int row, int col, int width, int height, u16 color);
void waitForVblank();
void fillScreen(volatile unsigned short color);
void drawImage3(int r, int c, int width, int height, const u16 *image);
void drawBird(int row, int col, const u16 *image);
void drawBirdUp(int row, int col, const u16 *image);
void drawLink(int row, int col, const u16 *image);