Created
November 6, 2010 13:27
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#include "gba.h" | |
int main() | |
{ | |
// 画面モード設定 | |
SetMode(MODE_0 | BG0_ENABLE | 0x0); | |
REG_BG0CNT = (BG_SIZE_0 | BG_256_COLOR | CHAR_BASE(0) | MAP_BASE(28)); | |
u16* chr = CHAR_BASE_ADR(0); // キャラクタデータ | |
u16* map = MAP_BASE_ADR(28); // マップデータ | |
u16* pal = BG_PALETTE; // BGパレット | |
// パレット設定 | |
pal[0] = RGB5( 0, 0, 0); | |
pal[1] = RGB5(31, 31, 31); | |
pal[2] = RGB5(31, 0, 0); | |
pal[3] = RGB5(0, 0, 31); | |
u16 i,j; | |
i=0; | |
// キャラクタデータ | |
j=i; | |
for(; i-j<32; i++) | |
{ | |
chr[i] = 1 + (1<<8); | |
} | |
j=i; | |
for(; i-j<32; i++) | |
{ | |
chr[i] = 0 + (0<<8); | |
} | |
j=i; | |
for(; i-j<32; i++) | |
{ | |
chr[i] = 2 + (2<<8); | |
} | |
j=i; | |
for(; i-j<32; i++) | |
{ | |
chr[i] = 3 + (3<<8); | |
} | |
j=i; | |
for(; i-j<32; i++) | |
{ | |
chr[i] = 3 + (2<<8); | |
} | |
// 現在位置など | |
u16 x = 0; | |
u16 y = 0; | |
map[0] = 1; | |
u16 col=1; | |
// 割り込み初期化 | |
irqInit(); | |
// VBlankIntrWait()を使用可能にする | |
irqEnable(IRQ_VBLANK); | |
for(;;) | |
{ | |
if( !(REG_KEYINPUT & KEY_UP) ) | |
{ | |
if(y>0) | |
{ | |
map[y*32+x] = 0; | |
y--; | |
map[y*32+x] = col; | |
} | |
} | |
if( !(REG_KEYINPUT & KEY_DOWN) ) | |
{ | |
if(y<19) | |
{ | |
map[y*32+x] = 0; | |
y++; | |
map[y*32+x] = col; | |
} | |
} | |
if( !(REG_KEYINPUT & KEY_LEFT) ) | |
{ | |
if(x>0) | |
{ | |
map[y*32+x] = 0; | |
x--; | |
map[y*32+x] = col; | |
} | |
} | |
if( !(REG_KEYINPUT & KEY_RIGHT) ) | |
{ | |
if(x<29) | |
{ | |
map[y*32+x] = 0; | |
x++; | |
map[y*32+x] = col; | |
} | |
} | |
u16 a = !(REG_KEYINPUT & KEY_A); | |
u16 b = !(REG_KEYINPUT & KEY_B); | |
if( a & b ) | |
{ | |
col=4; | |
map[y*32+x] = col; | |
} | |
else if( a ) | |
{ | |
col=2; | |
map[y*32+x] = col; | |
} | |
else if( b ) | |
{ | |
col=3; | |
map[y*32+x] = col; | |
} | |
else | |
{ | |
col=1; | |
map[y*32+x] = col; | |
} | |
// 垂直同期を待つ。 | |
VBlankIntrWait(); | |
} | |
return 0; | |
} |
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