void fill(int addr, unsigned char v, unsigned int count)
{
__wstart(addr);
while (count--)
spi_transfer(v);
__end();
}
void GDClass::fill(int addr, byte v, unsigned int count)
{
__wstart(addr);
while (count--)
SPI.transfer(v);
__end();
}
void GDClass::wr16(unsigned int addr, unsigned int v)
{
__wstart(addr);
SPI.transfer(lowByte(v));
SPI.transfer(highByte(v));
__end();
}
void wr16(unsigned int addr, unsigned int v)
{
__wstart(addr);
spi_transfer(low_byte(v));
spi_transfer(high_byte(v));
__end();
}
void copy(unsigned int addr, unsigned char *src, int count)
{
__wstart(addr);
while (count--) {
spi_transfer(*src);
src++;
}
__end();
}
void GDClass::voice(int v, byte wave, unsigned int freq, byte lamp, byte ramp)
{
__wstart(VOICES + (v << 2));
SPI.transfer(lowByte(freq));
SPI.transfer(highByte(freq) | (wave << 7));
SPI.transfer(lamp);
SPI.transfer(ramp);
__end();
}
void GDClass::sprite2x2(int spr, int x, int y, byte image, byte palette, byte rot, byte jk)
{
__wstart(0x3000 + (spr << 2));
GD.xsprite(x, y, -16, -16, image + 0, palette, rot, jk);
GD.xsprite(x, y, 0, -16, image + 1, palette, rot, jk);
GD.xsprite(x, y, -16, 0, image + 2, palette, rot, jk);
GD.xsprite(x, y, 0, 0, image + 3, palette, rot, jk);
__end();
}
void GDClass::sprite(int spr, int x, int y, byte image, byte palette, byte rot, byte jk)
{
__wstart(RAM_SPR + (spr << 2));
SPI.transfer(lowByte(x));
SPI.transfer((palette << 4) | (rot << 1) | (highByte(x) & 1));
SPI.transfer(lowByte(y));
SPI.transfer((jk << 7) | (image << 1) | (highByte(y) & 1));
__end();
}
void GDClass::copy(unsigned int addr, uint_farptr_t src, int count)
{
__wstart(addr);
while (count--) {
SPI.transfer(pgm_read_byte_far(src));
src++;
}
__end();
}
void GDClass::copy(unsigned int addr, PROGMEM prog_uchar *src, int count)
{
__wstart(addr);
while (count--) {
SPI.transfer(pgm_read_byte_near(src));
src++;
}
__end();
}
void terminal_putchar(char character, int x, int y)
{
__wstart((y << 6) + x);
//screen_buffer[x+y] = character;
spi_transfer(character);
__end();
}
void GDClass::begin()
{
delay(250); // give Gameduino time to boot
pinMode(SS_PIN, OUTPUT);
#ifdef BOARD_maple
SPI.begin(SPI_4_5MHZ, MSBFIRST, 0);
#else
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV2);
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
SPSR = (1 << SPI2X);
#endif
digitalWrite(SS_PIN, HIGH);
GD.wr(J1_RESET, 1); // HALT coprocessor
__wstart(RAM_SPR); // Hide all sprites
for (int i = 0; i < 512; i++)
GD.xhide();
__end();
fill(RAM_PIC, 0, 1024 * 10); // Zero all character RAM
fill(RAM_SPRPAL, 0, 2048); // Sprite palletes black
fill(RAM_SPRIMG, 0, 64 * 256); // Clear all sprite data
fill(VOICES, 0, 256); // Silence
fill(PALETTE16A, 0, 128); // Black 16-, 4-palletes and COMM
GD.wr16(SCROLL_X, 0);
GD.wr16(SCROLL_Y, 0);
GD.wr(JK_MODE, 0);
GD.wr(SPR_DISABLE, 0);
GD.wr(SPR_PAGE, 0);
GD.wr(IOMODE, 0);
GD.wr16(BG_COLOR, 0);
GD.wr16(SAMPLE_L, 0);
GD.wr16(SAMPLE_R, 0);
GD.wr16(SCREENSHOT_Y, 0);
GD.wr(MODULATOR, 64);
}
//set : |= ou juste = ?
void terminal_init()
{
//Already done in InitSPI()
//rFIO0DIR |= (1<<16); //Set cs pin for terminal as output
//__end();
int i;
wr(J1_RESET, 1); // HALT coprocessor
__wstart(RAM_SPR); // Hide all sprites
for (i = 0; i < 512; i++)
{
xhide();
}
__end(); //release Select Pin
fill(RAM_PIC, 0, 1024 * 10); // Zero all character RAM
fill(RAM_SPRPAL, 0, 2048); // Sprite palletes black
fill(RAM_SPRIMG, 0, 64 * 256); // Clear all sprite data
fill(VOICES, 0, 256); // Silence
fill(PALETTE16A, 0, 128); // Black 16-, 4-palletes and COMM
wr16(SCROLL_X, 0);
wr16(SCROLL_Y, 0);
wr(JK_MODE, 0);
wr(SPR_DISABLE, 0);
wr(SPR_PAGE, 0);
wr(IOMODE, 0);
wr16(BG_COLOR, 0);
wr16(SAMPLE_L, 0);
wr16(SAMPLE_R, 0);
wr16(SCREENSHOT_Y, 0);
wr(MODULATOR, 64);
init_ascii();
}
void wr(unsigned int addr, char v)
{
__wstart(addr);
spi_transfer(v);
__end();
}
void GDClass::wr(unsigned int addr, byte v)
{
__wstart(addr);
SPI.transfer(v);
__end();
}
