mirror of
https://github.com/cc65/cc65.git
synced 2024-11-19 06:31:31 +00:00
92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* Watara Supervision sample C program */
|
|
/* */
|
|
/* Fabrizio Caruso (fabrizio_caruso@hotmail.com), 2019 */
|
|
/* */
|
|
/*****************************************************************************/
|
|
|
|
#include <supervision.h>
|
|
#include <peekpoke.h>
|
|
|
|
// Number of bytes per screen line (Remark: Last 8 bytes are not displayed)
|
|
#define BYTES_PER_LINE 48
|
|
|
|
// Character definitions in 8x8 format
|
|
const unsigned char h_char[] = {0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00};
|
|
const unsigned char e_char[] = {0x7E,0x60,0x60,0x78,0x60,0x60,0x7E,0x00};
|
|
const unsigned char l_char[] = {0x60,0x60,0x60,0x60,0x60,0x60,0x7E,0x00};
|
|
const unsigned char o_char[] = {0x3C,0x66,0x66,0x66,0x66,0x66,0x3C,0x00};
|
|
const unsigned char w_char[] = {0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00};
|
|
const unsigned char r_char[] = {0x7C,0x66,0x66,0x7C,0x78,0x6C,0x66,0x00};
|
|
const unsigned char d_char[] = {0x78,0x6C,0x66,0x66,0x66,0x6C,0x78,0x00};
|
|
|
|
void clear_screen(void)
|
|
{
|
|
unsigned short i;
|
|
|
|
for(i=0;i<0x2000;++i)
|
|
{
|
|
POKE(SV_VIDEO+i,0);
|
|
}
|
|
}
|
|
|
|
// Necessary conversion to have 2 bits per pixel with darkest hue
|
|
// Remark: The Supervision uses 2 bits per pixel and bits are mapped into pixel in reversed order
|
|
unsigned char reversed_map_one_to_two_lookup[16] =
|
|
{
|
|
0x00, 0xC0, 0x30, 0xF0, 0x0C, 0xCC, 0x3C, 0xFC,
|
|
0x03, 0xC3, 0x33, 0xF3, 0x0F, 0xCF, 0x3F, 0xFF
|
|
};
|
|
|
|
unsigned char left_map_one_to_two(unsigned char n)
|
|
{
|
|
return reversed_map_one_to_two_lookup[n >> 4];
|
|
}
|
|
|
|
unsigned char right_map_one_to_two(unsigned char n)
|
|
{
|
|
return reversed_map_one_to_two_lookup[n&0x0F];
|
|
}
|
|
|
|
void display_char(const unsigned char x, const unsigned char y, const unsigned char *ch)
|
|
{
|
|
unsigned char k;
|
|
|
|
for(k=0;k<8;++k)
|
|
{ \
|
|
SV_VIDEO[2*(y)+BYTES_PER_LINE*k+BYTES_PER_LINE*(x<<3)] = left_map_one_to_two(ch[k]);
|
|
SV_VIDEO[2*(y)+BYTES_PER_LINE*k+BYTES_PER_LINE*(x<<3)+1] = right_map_one_to_two(ch[k]);
|
|
}
|
|
}
|
|
|
|
void init_lcd(void)
|
|
{
|
|
SV_LCD.width = 160;
|
|
SV_LCD.height = 160;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
init_lcd();
|
|
clear_screen();
|
|
|
|
display_char(3,2, h_char);
|
|
display_char(3,3, e_char);
|
|
display_char(3,4, l_char);
|
|
display_char(3,5, l_char);
|
|
display_char(3,6, o_char);
|
|
|
|
display_char(3,8, w_char);
|
|
display_char(3,9, o_char);
|
|
display_char(3,10,r_char);
|
|
display_char(3,11,l_char);
|
|
display_char(3,12,d_char);
|
|
|
|
while(1) {};
|
|
|
|
return 0;
|
|
}
|
|
|
|
|