// Parameters for PSP Display by C. Meyer
// Graphics is 480x272 pixels. This gives us 80 chars per line and 22 lines per screen
#define VGA_VRES 272 // 272 Vert graphics resolution (pixels)
#define VGA_HRES 480 // 480 Horiz graphics resolution (pixels)
#define VGA_LINE_N 286 // 286 number of lines in VGA frame
#define VGA_PIX_T 10 // 10 Tpb clock per pixel => 8 MHz, 125 ns
#define VGA_LINE_T 544*VGA_PIX_T // 544 clock cycles in a line (68 us)
#define VGA_VSYNC_N 10 // 10 V sync lines
#define VGA_VBLANK_N 14 // 14 Nbr of blank lines
#define VGA_PREEQ_N 2 // 2 Nbr blank lines at the bottom of the screen
#define VGA_POSTEQ_N 2 // 2 Nbr blank lines at the top of the screen
#define VGA_HSYNC_T 40*VGA_PIX_T // HSYNC width, 40 SPI clock cycles width horizontal pulse

// In Timer 3 interrupt service routine ...

void __ISR(_TIMER_3_VECTOR, ipl7) T3Interrupt(void) {

// ... remove/comment all 3 color paddings (only RED shown here):

// if(ModeC != 4) P_RED_SPI_INPUT = 0; // preload the SPI inputs with 4 zero bytes to pad the start of the video