int main()
{
// INT_IE |= ( 1 << 13 ); // cart-remove-interrupt (handled by crt0)
// CST_ROM0_1ST_3WAIT | CST_ROM0_2ND_1WAIT | CST_PREFETCH_ENABLE
// REG_WSCNT = ( 5 << 2 ) | ( 1 << 14 ); // set rom-timing
irqInit();
irqSet( IRQ_TIMER1, kradInterrupt );
irqEnable( IRQ_TIMER1 );
// midi setup
irqSet( IRQ_TIMER3, midiInterrupt );
irqEnable( IRQ_TIMER3 );
midiInit();
REG_IME = 1;
SetMode( MODE_0 | BG1_ON );
// starting
SetBG(10, 10, 0);
// create the globals object
globals = new GlobalData();
// starting
SetBG(0, 10, 10);
globals->LoadSongs();
// starting
SetBG(10, 0, 10);
u16 i = 0;
Keys *keys = new Keys();
First *firstpage = new First(keys);
Page *selected = firstpage;
// init krawall
kragInit( KRAG_INIT_STEREO );
// make it so we can see the background
REG_BG1CNT = BIT(7) | BIT(8) | BIT(9) | BIT(10) | BIT(11) | BIT(12); // high priority, 256 colour, point the banks at the right place etc
// load the splash screen
DMA3COPY((void*)splash_tiles, (u16*)VideoBuffer, SPLASH_TILESIZE | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
DMA3COPY((void*)splash_palette, (u16*)&BG_PALETTE[5], SPLASH_PALSIZE | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
DMA3COPY((void*)splash_map, (u16*)&VideoBuffer[0x7C00], 640 | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
// check keys
while (keys->TestKey(keyA) != pressed)
{
keys->Jiffie();
}
keys->Jiffie();
// load the krawall splash screen
DMA3COPY((void*)krawall_splash_tiles, (u16*)VideoBuffer, KRAWALL_SPLASH_TILESIZE| DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
DMA3COPY((void*)krawall_splash_palette, (u16*)&BG_PALETTE[5], KRAWALL_SPLASH_PALSIZE | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
DMA3COPY((void*)krawall_splash_map, (u16*)&VideoBuffer[0x7C00], 640 | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
// check keys
while (keys->TestKey(keyA) != pressed)
{
keys->Jiffie();
}
keys->Jiffie();
// load charset into memory as a demo tileset
DMA3COPY((void*)font::tiles, (u16*)VideoBuffer, 3232 | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
DMA3COPY((void*)font::tiles_color, (u16*)&VideoBuffer[3232], 3232 | DMA16 | DMA_IMMEDIATE | DMA_SRC_INC | DMA_DST_INC);
// set up the background palette
for (i=0;i<7;i++)
BG_PALETTE[i] = RGB(0, 0, 0);
// this starts from 7 becuase the kludgy legacy converter used a 7-color offset (for parallax-starfield reasons)
BG_PALETTE[7] = RGB(0x1F, 0x1F, 0x1F);
BG_PALETTE[8] = RGB(0, 0, 0);
// set the H and V offset of our background to zero
// REG_BG1HOFS = 0;
// REG_BG1VOFS = 0;
// clear out the whole area
BlankScreen();
while (1)
{
// this is zerosync
SetBG(0, 0, 10);
// figure out all our latest song positions
globals->Tick();
// calculate audio stuff
kramWorker();
// update midi progression
midiUpdateBeat(globals->beat);
// check keys
keys->Jiffie();
// automatically cascades all pages and processes them
firstpage->Process();
SetBG(0, 0, 0);
// this is vsync
//while( !REG_VCOUNT );
//while( REG_VCOUNT );
// try and fit the drawing stuff into the off-screen sync
while(REG_VCOUNT != 160);
SetBG(10, 0, 0);
// do all the display shit in here
BlankScreen();
selected = selected->Cycle();
selected->Draw();
SetBG(0, 0, 0);
}
return 1;
}
