#include #include #include #include #define Screen ((char *)0xe000) #define Color ((char *)0xc800) #define Color2 ((char *)0xd800) char colors[] = { 0xff, 0xff, 0xee, 0xbb, 0xaa, 0xaa, 0x88, 0x22, 0x44, 0x11, 0x55, 0x55, 0xdd, 0x77, 0x33, 0xcc }; int main(void) { mmap_trampoline(); mmap_set(MMAP_NO_ROM); vic_setmode(VICM_HIRES_MC, Color, Screen); vic.color_back = 0x00; memset(Screen, 0, 8000); memset(Color, 0x27, 1000); memset(Color2, 0x03, 1000); int py, px; for(py=0; py<100; py++) { for(px=0; px<160; px++) { float xz = (float)px * (3.5 / 160.0)- 2.5; float yz = (float)py * (2.4 / 100.0) - 1.2; float x = 0.0, y = 0.0; int i; for(i=0; i<32; i++) { if (x * x + y * y > 4.0) break; float xt = x * x - y * y + xz; y = 2 * x * y + yz; x = xt; } if (i < 32) { char * dp = Screen + 320 * (py >> 2) + 2 * (py & 3) + 2 * (px & ~3); char mask = 0xc0 >> (2 * (px & 3)); char c0 = colors[2 * (i & 7)], c1 = colors[2 * (i & 7) + 1]; dp[0] |= c0 & mask; dp[1] |= c1 & mask; } } } mmap_set(MMAP_NO_BASIC); getch(); vic_setmode(VICM_TEXT, (char *)0x0400, (char *)0x1000); return 0; }