PVSnesLib  4.3.0
Documentation to code in C or ASM for the Nintendo SNES
audio/tada/Tada.c
/*---------------------------------------------------------------------------------
Simple brr sound demo
-- alekmaul
---------------------------------------------------------------------------------*/
#include <snes.h>
extern char soundbrr, soundbrrend;
brrsamples tadasound;
extern char snesfont, snespal;
unsigned short bgcolor = 128;
u8 keyapressed = 0;
//---------------------------------------------------------------------------------
int main(void)
{
// Initialize sound engine (take some time)
// Initialize SNES
// Initialize text console with our font
consoleInitText(0, 16 * 2, &snesfont, &snespal);
// allocate around 10K of sound ram (39 256-byte blocks)
// Init background
bgSetGfxPtr(0, 0x2000);
bgSetMapPtr(0, 0x6800, SC_32x32);
// Now Put in 16 color mode and disable Bgs except current
setMode(BG_MODE1, 0);
// Draw a wonderful text :P
consoleDrawText(5, 10, "Press A to play effect !");
// Wait for nothing :P
// Load effect
spcSetSoundEntry(15, 15, 4, &soundbrrend - &soundbrr, &soundbrr, &tadasound);
// Wait for nothing :D !
while (1)
{
// Refresh pad values and test key a (without repeating sound if still pressed)
if (padsCurrent(0) & KEY_A)
{
if (keyapressed == 0)
{
keyapressed = 1;
// Play effect
// change background color
bgcolor += 16;
setPaletteColor(0x00, bgcolor);
}
}
else
keyapressed = 0;
// Update music / sfx stream and wait vbl
}
return 0;
}
void bgSetGfxPtr(u8 bgNumber, u16 address)
Definition of each background address.
void bgSetDisable(u8 bgNumber)
Disable a BG in the actual SNES mode.
void bgSetMapPtr(u8 bgNumber, u16 address, u8 mapSize)
Change Background Map address.
void consoleSetTextVramAdr(u16 vramfont)
Change text graphics address (4K aligned)
void consoleInitText(u8 palnum, u8 palsize, u8 *tilfont, u8 *palfont)
Initialize the Text System.
void consoleInit(void)
Initialize console.
void consoleDrawText(u16 x, u16 y, char *fmt,...)
Output formatted string on a screen (tiles mode)
void consoleSetTextOffset(u16 offsetfont)
Change text Background map address for display (must be BG address)
void consoleSetTextVramBGAdr(u16 offsetfont)
Change text Background map address for display (must be BG address)
void scanPads(void)
Wait for pad ready and read pad values in.
#define padsCurrent(value)
Return current value of selected pad.
Definition: input.h:161
@ KEY_A
pad A button.
Definition: input.h:48
void WaitForVBlank(void)
Wait for vblank interrupt
the master include file for snes applications.
void spcAllocateSoundRegion(u8 size)
set the size of the sound region (this must be big enough to hold your longest/largest sound) this fu...
void spcSetSoundEntry(u8 vol, u8 panning, u8 pitch, u16 length, u8 *sampleaddr, brrsamples *ptr)
set the values and address of the SOUND TABLE for a sound entry
void spcPlaySound(u8 sndIndex)
Play sound from memory (using default arguments)
void spcProcess(void)
Process messages This function will try to give messages to the spc until a few scanlines pass.
void spcBoot(void)
boots the spc700 with sm-spc. call once at startup
brr sample sound header(8 bytes)
Definition: sound.h:51
#define setPaletteColor(paletteEntry, paletteColor)
Change a color palette in CGRAM.
Definition: video.h:395
void setScreenOn(void)
Put screen On.
void setMode(u8 mode, u8 size)
Set the SNES hardware to operate in new display mode.