diff options
| -rw-r--r-- | main.c | 4 | ||||
| -rw-r--r-- | regs.h | 72 |
2 files changed, 65 insertions, 11 deletions
@@ -1,7 +1,7 @@ #include "dat.h" #include "regs.h" -uint *ioram = (uint*)IORAM; +ushort *ioram = (ushort*)IORAM; ushort *vram = (ushort*)VRAM; Point @@ -33,7 +33,7 @@ main() { int i, c; - *ioram = 0x0403; + ioram[DISPCNT] = BGMODE3|DISPBG2; for(i = 0; i < SCRH; i++){ c = 31*i/SCRH; drawpixel(Pt(i,i), rgb(c,c,c)); @@ -1,9 +1,63 @@ -#define SYSROM 0x00000000UL -#define EWRAM 0x02000000UL -#define IWRAM 0x03000000UL -#define IORAM 0x04000000UL -#define PALRAM 0x05000000UL -#define VRAM 0x06000000UL -#define OAM 0x07000000UL -#define PAKROM 0x08000000UL -#define CART 0x0E000000UL +/* memory map */ +enum { + SYSROM = 0x00000000, + EWRAM = 0x02000000, + IWRAM = 0x03000000, + IORAM = 0x04000000, + PALRAM = 0x05000000, + VRAM = 0x06000000, + OAM = 0x07000000, + PAKROM = 0x08000000, + CART = 0x0E000000 +}; +/* i/o registers */ +enum { + DISPCNT = 0x00, /* LCD control */ + BGMODE0 = 0x0000, + BGMODE1 = 0x0001, + BGMODE2 = 0x0002, + BGMODE3 = 0x0003, + BGMODE4 = 0x0004, + BGMODE5 = 0x0005, + DISPBG0 = 0x0100, + DISPBG1 = 0x0200, + DISPBG2 = 0x0400, + DISPBG3 = 0x0800, + DISPOBJ = 0x1000, + DISPSTAT = 0x04, /* general LCD status */ + VCOUNT = 0x06, + BG0CNT = 0x08, + BG1CNT = 0x0A, + BG2CNT = 0x0C, + BG3CNT = 0x0E, + BG0HOFS = 0x10, + BG0VOFS = 0x12, + BG1HOFS = 0x14, + BG1VOFS = 0x16, + BG2HOFS = 0x18, + BG2VOFS = 0x1A, + BG3HOFS = 0x1C, + BG3VOFS = 0x1E, + BG2PA = 0x20, /* BG2 Rotation/Scaling Parameter A (dx) */ + BG2PB = 0x22, /* BG2 Rotation/Scaling Parameter B (dmx) */ + BG2PC = 0x24, /* BG2 Rotation/Scaling Parameter C (dy) */ + BG2PD = 0x26, /* BG2 Rotation/Scaling Parameter D (dmy) */ + BG2X = 0x28, /* BG2 Reference Point X-Coordinate */ + BG2Y = 0x2C, /* BG2 Reference Point X-Coordinate */ + BG3PA = 0x30, /* BG3 Rotation/Scaling Parameter A (dx) */ + BG3PB = 0x32, /* BG3 Rotation/Scaling Parameter B (dmx) */ + BG3PC = 0x34, /* BG3 Rotation/Scaling Parameter C (dy) */ + BG3PD = 0x36, /* BG3 Rotation/Scaling Parameter D (dmy) */ + BG3X = 0x38, /* BG3 Reference Point X-Coordinate */ + BG3Y = 0x3C, /* BG3 Reference Point Y-Coordinate */ + WIN0H = 0x40, /* Window 0 Horizontal Dimensions */ + WIN1H = 0x42, /* Window 1 Horizontal Dimensions */ + WIN0V = 0x44, /* Window 0 Vertical Dimensions */ + WIN1V = 0x46, /* Window 1 Vertical Dimensions */ + WININ = 0x48, /* Inside of Window 0 and 1 */ + WINOUT = 0x4A, /* Inside of OBJ Window & Outside of Windows */ + MOSAIC = 0x4C, /* Mosaic Size */ + BLDCNT = 0x50, /* Color Special Effects Selection */ + BLDALPHA = 0x52, /* Alpha Blending Coefficients */ + BLDY = 0x54 /* Brightness (Fade-In/Out) Coefficient */ +}; |