mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-22 14:33:51 +00:00
93 lines
1.8 KiB
C
93 lines
1.8 KiB
C
|
|
||
|
|
//#link "common.c"
|
||
|
|
#include "common.h"
|
||
|
|
|
||
|
|
//#link "rasterirq.ca65"
|
||
|
|
#include "rasterirq.h"
|
||
|
|
|
||
|
|
//#link "sprites.c"
|
||
|
|
#include "sprites.h"
|
||
|
|
|
||
|
|
#include <cbm_petscii_charmap.h>
|
||
|
|
#include <cc65.h>
|
||
|
|
|
||
|
|
/*{w:24,h:21,bpp:1,brev:1}*/
|
||
|
|
const char spriteshape[3*21] = {
|
||
|
|
0x00,0x7F,0x00,0x01,0xFF,0xC0,0x03,0xFF,0xE0,
|
||
|
|
0x03,0xE7,0xE0,0x07,0xD9,0xF0,0x07,0xDF,0xF0,
|
||
|
|
0x07,0xD9,0xF0,0x03,0xE7,0xE0,0x03,0xFF,0xE0,
|
||
|
|
0x03,0xFF,0xE0,0x02,0xFF,0xA0,0x01,0x7F,0x40,
|
||
|
|
0x01,0x3E,0x40,0x00,0x9C,0x80,0x00,0x9C,0x80,
|
||
|
|
0x00,0x49,0x00,0x00,0x49,0x00,0x00,0x3E,0x00,
|
||
|
|
0x00,0x3E,0x00,0x00,0x3E,0x00,0x00,0x1C,0x00
|
||
|
|
};
|
||
|
|
|
||
|
|
byte scroll_x = 0;
|
||
|
|
byte scroll_y = 0;
|
||
|
|
|
||
|
|
void dlist_example(void) {
|
||
|
|
VIC.ctrl1 = VIC_CTRL1_DEN | VIC_CTRL1_RSEL;
|
||
|
|
VIC.bordercolor = 5;
|
||
|
|
|
||
|
|
// Flexible line distance (FLD)
|
||
|
|
// this adds a gap of 1-6 scanlines
|
||
|
|
DLIST_NEXT(150);
|
||
|
|
VIC.ctrl1 = (scroll_y & 7) | 0x18;
|
||
|
|
VIC.bordercolor = 2;
|
||
|
|
|
||
|
|
// this opens up the vertical borders
|
||
|
|
// it must be done on the last row (247-249)
|
||
|
|
DLIST_NEXT(249);
|
||
|
|
VIC.ctrl1 = VIC_CTRL1_DEN;
|
||
|
|
|
||
|
|
// move sprites and restart the display list
|
||
|
|
scroll_x++;
|
||
|
|
scroll_y++;
|
||
|
|
VIC.spr0_y++;
|
||
|
|
VIC.spr7_y--;
|
||
|
|
VIC.bordercolor = 4;
|
||
|
|
DLIST_RESTART(30);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void SieveOfEratosthenes() {
|
||
|
|
const int n = 1023;
|
||
|
|
int primes[1024];
|
||
|
|
int i,p;
|
||
|
|
memset(primes, 1, sizeof(primes));
|
||
|
|
|
||
|
|
for (p = 2; p*p <= n; p++) {
|
||
|
|
if (primes[p]) {
|
||
|
|
for (i = p*p; i <= n; i += p)
|
||
|
|
primes[i] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for (p = 2; p <= n; p++)
|
||
|
|
if (primes[p])
|
||
|
|
printf("%d ", p);
|
||
|
|
}
|
||
|
|
|
||
|
|
void main(void) {
|
||
|
|
byte i;
|
||
|
|
|
||
|
|
clrscr();
|
||
|
|
|
||
|
|
sprite_clear();
|
||
|
|
sprite_set_shapes(spriteshape, 192, 1);
|
||
|
|
|
||
|
|
sprshad.spr_exp_x = 0xff;
|
||
|
|
for (i=0; i<8; i++) {
|
||
|
|
sprshad.spr_color[i] = i+3;
|
||
|
|
sprite_draw(i, i*38+24, 248, 192);
|
||
|
|
}
|
||
|
|
sprite_update(DEFAULT_SCREEN);
|
||
|
|
|
||
|
|
DLIST_SETUP(dlist_example);
|
||
|
|
|
||
|
|
// do something complicated while IRQ runs...
|
||
|
|
while (1) {
|
||
|
|
SieveOfEratosthenes();
|
||
|
|
}
|
||
|
|
}
|