-/*****************************************************************************\r
- * plasma test program for cc65. *\r
- * *\r
- * (w)2001 by groepaz/hitmen *\r
- * *\r
- * Cleanup and porting by Ullrich von Bassewitz. *\r
- * *\r
- *****************************************************************************/\r
-\r
-\r
-\r
-#include <stdlib.h>\r
-#include <time.h>\r
-#include <conio.h>\r
-\r
-\r
-\r
-#if defined(__C64__)\r
-# define SCREEN1 0xE000\r
-# define SCREEN2 0xE400\r
-# define CHARSET 0xE800\r
-# define outb(addr,val) (*(addr)) = (val)\r
-# define inb(addr) (*(addr))\r
-#elif defined(__CBM510__)\r
-# define SCREEN1 0xF000\r
-# define SCREEN2 0xF400\r
-# define CHARSET 0xE000\r
-# define outb(addr,val) pokebsys ((unsigned)(addr), val)\r
-# define inb(addr) peekbsys ((unsigned)(addr))\r
-#endif\r
-\r
-\r
-\r
-/* Values for the VIC address register to switch between the two pages */\r
-#define PAGE1 ((SCREEN1 >> 6) & 0xF0) | ((CHARSET >> 10) & 0x0E)\r
-#define PAGE2 ((SCREEN2 >> 6) & 0xF0) | ((CHARSET >> 10) & 0x0E)\r
-\r
-\r
-\r
-/* Use static local variables for speed */\r
-#pragma staticlocals (1);\r
-\r
-\r
-\r
-static const unsigned char sinustable[0x100] = {\r
- 0x80, 0x7d, 0x7a, 0x77, 0x74, 0x70, 0x6d, 0x6a,\r
- 0x67, 0x64, 0x61, 0x5e, 0x5b, 0x58, 0x55, 0x52,\r
- 0x4f, 0x4d, 0x4a, 0x47, 0x44, 0x41, 0x3f, 0x3c,\r
- 0x39, 0x37, 0x34, 0x32, 0x2f, 0x2d, 0x2b, 0x28,\r
- 0x26, 0x24, 0x22, 0x20, 0x1e, 0x1c, 0x1a, 0x18,\r
- 0x16, 0x15, 0x13, 0x11, 0x10, 0x0f, 0x0d, 0x0c,\r
- 0x0b, 0x0a, 0x08, 0x07, 0x06, 0x06, 0x05, 0x04,\r
- 0x03, 0x03, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01,\r
- 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03,\r
- 0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x0a,\r
- 0x0b, 0x0c, 0x0d, 0x0f, 0x10, 0x11, 0x13, 0x15,\r
- 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24,\r
- 0x26, 0x28, 0x2b, 0x2d, 0x2f, 0x32, 0x34, 0x37,\r
- 0x39, 0x3c, 0x3f, 0x41, 0x44, 0x47, 0x4a, 0x4d,\r
- 0x4f, 0x52, 0x55, 0x58, 0x5b, 0x5e, 0x61, 0x64,\r
- 0x67, 0x6a, 0x6d, 0x70, 0x74, 0x77, 0x7a, 0x7d,\r
- 0x80, 0x83, 0x86, 0x89, 0x8c, 0x90, 0x93, 0x96,\r
- 0x99, 0x9c, 0x9f, 0xa2, 0xa5, 0xa8, 0xab, 0xae,\r
- 0xb1, 0xb3, 0xb6, 0xb9, 0xbc, 0xbf, 0xc1, 0xc4,\r
- 0xc7, 0xc9, 0xcc, 0xce, 0xd1, 0xd3, 0xd5, 0xd8,\r
- 0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8,\r
- 0xea, 0xeb, 0xed, 0xef, 0xf0, 0xf1, 0xf3, 0xf4,\r
- 0xf5, 0xf6, 0xf8, 0xf9, 0xfa, 0xfa, 0xfb, 0xfc,\r
- 0xfd, 0xfd, 0xfe, 0xfe, 0xfe, 0xff, 0xff, 0xff,\r
- 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xfe, 0xfd,\r
- 0xfd, 0xfc, 0xfb, 0xfa, 0xfa, 0xf9, 0xf8, 0xf6,\r
- 0xf5, 0xf4, 0xf3, 0xf1, 0xf0, 0xef, 0xed, 0xeb,\r
- 0xea, 0xe8, 0xe6, 0xe4, 0xe2, 0xe0, 0xde, 0xdc,\r
- 0xda, 0xd8, 0xd5, 0xd3, 0xd1, 0xce, 0xcc, 0xc9,\r
- 0xc7, 0xc4, 0xc1, 0xbf, 0xbc, 0xb9, 0xb6, 0xb3,\r
- 0xb1, 0xae, 0xab, 0xa8, 0xa5, 0xa2, 0x9f, 0x9c,\r
- 0x99, 0x96, 0x93, 0x90, 0x8c, 0x89, 0x86, 0x83\r
-};\r
-\r
-\r
-\r
-static unsigned char *scrn;\r
-\r
-\r
-\r
-static void doplasma (void)\r
-{\r
- unsigned char xbuf[40];\r
- unsigned char ybuf[25];\r
- unsigned char i,ii;\r
- unsigned char c1a,c1b;\r
- unsigned char c2a,c2b;\r
- unsigned char c1A,c1B;\r
- unsigned char c2A,c2B;\r
-\r
- c1a = c1A;\r
- c1b = c1B;\r
- for (ii = 0; ii < 25; ++ii) {\r
- ybuf[ii] = (sinustable[c1a] + sinustable[c1b]);\r
- c1a += 4;\r
- c1b += 9;\r
- }\r
- c1A += 3;\r
- c1B -= 5;\r
- c2a = c2A;\r
- c2b = c2B;\r
- for (i = 0; i < 40; ++i) {\r
- xbuf[i] = (sinustable[c2a] + sinustable[c2b]);\r
- c2a += 3;\r
- c2b += 7;\r
- }\r
- c2A += 2;\r
- c2B -= 3;\r
- for (ii = 0; ii < 25; ++ii) {\r
- /* Unrolling the following loop will give a speed increase of\r
- * nearly 100% (~24fps), but it will also increase the code \r
- * size a lot.\r
- */\r
- for (i = 0; i < 40; ++i, ++scrn) {\r
- *scrn = (xbuf[i] + ybuf[ii]);\r
- }\r
- }\r
-}\r
-\r
-\r
-\r
-static void makechar (void)\r
-{\r
- static const unsigned char bittab[8] = {\r
- 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80\r
- };\r
- unsigned char i, ii, b, s;\r
- unsigned c;\r
-\r
- gotoxy (0, 1);\r
- for (c = 0; c < 0x100; ++c) {\r
- s = sinustable[c];\r
- for (i = 0; i < 8; ++i){\r
- b = 0;\r
- for (ii = 0; ii < 8; ++ii) {\r
- if ((rand() & 0xFF) > s) {\r
- b |= bittab[ii];\r
- }\r
- }\r
- ((unsigned char*)CHARSET) [(c*8) + i] = b;\r
- }\r
- if ((c & 0x07) == 0) {\r
- cputc ('.');\r
- }\r
- }\r
-}\r
-\r
-\r
-\r
-int main (void)\r
-{\r
- unsigned char border;\r
- unsigned char background;\r
- unsigned char text;\r
- unsigned char v;\r
- clock_t t;\r
- unsigned long f = 0;\r
- unsigned long sec;\r
- unsigned sec10;\r
- unsigned long fps;\r
- unsigned fps10;\r
-\r
-\r
- clrscr ();\r
- cprintf ("Making charset, mompls");\r
- makechar();\r
-\r
- /* Set the border and background colors */\r
- border = bordercolor (COLOR_BLUE);\r
- background = bgcolor (COLOR_BLUE);\r
- text = textcolor (COLOR_BLACK);\r
- clrscr ();\r
-\r
-#if defined(__C64__)\r
- /* Move the VIC 16K block */\r
- outb (&CIA2.pra, 0x00);\r
-#endif\r
-\r
- /* Remember the VIC address register */\r
- v = inb (&VIC.addr);\r
-\r
- /* Run the demo until a key was hit */\r
- t = clock ();\r
- while (!kbhit()) {\r
- /* Build page 1, then make it visible */\r
- scrn = (unsigned char*)SCREEN1;\r
- doplasma();\r
- outb (&VIC.addr, PAGE1);\r
-\r
- /* Build page 2, then make it visible */\r
- scrn = (unsigned char*)SCREEN2;\r
- doplasma();\r
- outb (&VIC.addr, PAGE2);\r
-\r
- /* Count frames */\r
- f += 2;\r
- };\r
- t = clock() - t;\r
-\r
- /* Switch back the VIC screen */\r
- outb (&VIC.addr, v);\r
-\r
-#if defined(__C64__)\r
- /* Move back the VIC 16K block */\r
- outb (&CIA2.pra, 0x03);\r
-#endif\r
-\r
- /* Fetch the character from the keyboard buffer and discard it */\r
- (void) cgetc();\r
-\r
- /* Reset screen colors */\r
- bordercolor (border);\r
- bgcolor (background);\r
- textcolor (text);\r
- clrscr();\r
-\r
- /* Calculate stats */\r
- sec = (t * 10) / CLK_TCK;\r
- sec10 = sec % 10;\r
- sec /= 10;\r
- fps = (f * (CLK_TCK * 10)) / t;\r
- fps10 = fps % 10;\r
- fps /= 10;\r
-\r
- /* Output stats */\r
- gotoxy (0, 0); cprintf ("time : %lu.%us", sec, sec10);\r
- gotoxy (0, 1); cprintf ("frames: %lu", f);\r
- gotoxy (0, 2); cprintf ("fps : %lu.%u", fps, fps10);\r
-\r
- /* Wait for a key, then end */\r
- cputsxy (0, 4, "Press any key when done...");\r
- (void) cgetc ();\r
-\r
- /* Done */\r
- return EXIT_SUCCESS;\r
-}\r
-\r
-\r
+/*****************************************************************************
+ * plasma test program for cc65. *
+ * *
+ * (w)2001 by groepaz/hitmen *
+ * *
+ * Cleanup and porting by Ullrich von Bassewitz. *
+ * *
+ *****************************************************************************/
+
+
+
+#include <stdlib.h>
+#include <time.h>
+#include <conio.h>
+
+
+
+#if defined(__C64__)
+# define SCREEN1 0xE000
+# define SCREEN2 0xE400
+# define CHARSET 0xE800
+# define outb(addr,val) (*(addr)) = (val)
+# define inb(addr) (*(addr))
+#elif defined(__CBM510__)
+# define SCREEN1 0xF000
+# define SCREEN2 0xF400
+# define CHARSET 0xE000
+# define outb(addr,val) pokebsys ((unsigned)(addr), val)
+# define inb(addr) peekbsys ((unsigned)(addr))
+#endif
+
+
+
+/* Values for the VIC address register to switch between the two pages */
+#define PAGE1 ((SCREEN1 >> 6) & 0xF0) | ((CHARSET >> 10) & 0x0E)
+#define PAGE2 ((SCREEN2 >> 6) & 0xF0) | ((CHARSET >> 10) & 0x0E)
+
+
+
+/* Use static local variables for speed */
+#pragma staticlocals (1);
+
+
+
+static const unsigned char sinustable[0x100] = {
+ 0x80, 0x7d, 0x7a, 0x77, 0x74, 0x70, 0x6d, 0x6a,
+ 0x67, 0x64, 0x61, 0x5e, 0x5b, 0x58, 0x55, 0x52,
+ 0x4f, 0x4d, 0x4a, 0x47, 0x44, 0x41, 0x3f, 0x3c,
+ 0x39, 0x37, 0x34, 0x32, 0x2f, 0x2d, 0x2b, 0x28,
+ 0x26, 0x24, 0x22, 0x20, 0x1e, 0x1c, 0x1a, 0x18,
+ 0x16, 0x15, 0x13, 0x11, 0x10, 0x0f, 0x0d, 0x0c,
+ 0x0b, 0x0a, 0x08, 0x07, 0x06, 0x06, 0x05, 0x04,
+ 0x03, 0x03, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03,
+ 0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x0a,
+ 0x0b, 0x0c, 0x0d, 0x0f, 0x10, 0x11, 0x13, 0x15,
+ 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24,
+ 0x26, 0x28, 0x2b, 0x2d, 0x2f, 0x32, 0x34, 0x37,
+ 0x39, 0x3c, 0x3f, 0x41, 0x44, 0x47, 0x4a, 0x4d,
+ 0x4f, 0x52, 0x55, 0x58, 0x5b, 0x5e, 0x61, 0x64,
+ 0x67, 0x6a, 0x6d, 0x70, 0x74, 0x77, 0x7a, 0x7d,
+ 0x80, 0x83, 0x86, 0x89, 0x8c, 0x90, 0x93, 0x96,
+ 0x99, 0x9c, 0x9f, 0xa2, 0xa5, 0xa8, 0xab, 0xae,
+ 0xb1, 0xb3, 0xb6, 0xb9, 0xbc, 0xbf, 0xc1, 0xc4,
+ 0xc7, 0xc9, 0xcc, 0xce, 0xd1, 0xd3, 0xd5, 0xd8,
+ 0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8,
+ 0xea, 0xeb, 0xed, 0xef, 0xf0, 0xf1, 0xf3, 0xf4,
+ 0xf5, 0xf6, 0xf8, 0xf9, 0xfa, 0xfa, 0xfb, 0xfc,
+ 0xfd, 0xfd, 0xfe, 0xfe, 0xfe, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xfe, 0xfd,
+ 0xfd, 0xfc, 0xfb, 0xfa, 0xfa, 0xf9, 0xf8, 0xf6,
+ 0xf5, 0xf4, 0xf3, 0xf1, 0xf0, 0xef, 0xed, 0xeb,
+ 0xea, 0xe8, 0xe6, 0xe4, 0xe2, 0xe0, 0xde, 0xdc,
+ 0xda, 0xd8, 0xd5, 0xd3, 0xd1, 0xce, 0xcc, 0xc9,
+ 0xc7, 0xc4, 0xc1, 0xbf, 0xbc, 0xb9, 0xb6, 0xb3,
+ 0xb1, 0xae, 0xab, 0xa8, 0xa5, 0xa2, 0x9f, 0x9c,
+ 0x99, 0x96, 0x93, 0x90, 0x8c, 0x89, 0x86, 0x83
+};
+
+
+
+static unsigned char *scrn;
+
+
+
+static void doplasma (void)
+{
+ unsigned char xbuf[40];
+ unsigned char ybuf[25];
+ unsigned char i,ii;
+ unsigned char c1a,c1b;
+ unsigned char c2a,c2b;
+ unsigned char c1A,c1B;
+ unsigned char c2A,c2B;
+
+ c1a = c1A;
+ c1b = c1B;
+ for (ii = 0; ii < 25; ++ii) {
+ ybuf[ii] = (sinustable[c1a] + sinustable[c1b]);
+ c1a += 4;
+ c1b += 9;
+ }
+ c1A += 3;
+ c1B -= 5;
+ c2a = c2A;
+ c2b = c2B;
+ for (i = 0; i < 40; ++i) {
+ xbuf[i] = (sinustable[c2a] + sinustable[c2b]);
+ c2a += 3;
+ c2b += 7;
+ }
+ c2A += 2;
+ c2B -= 3;
+ for (ii = 0; ii < 25; ++ii) {
+ /* Unrolling the following loop will give a speed increase of
+ * nearly 100% (~24fps), but it will also increase the code
+ * size a lot.
+ */
+ for (i = 0; i < 40; ++i, ++scrn) {
+ *scrn = (xbuf[i] + ybuf[ii]);
+ }
+ }
+}
+
+
+
+static void makechar (void)
+{
+ static const unsigned char bittab[8] = {
+ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
+ };
+ unsigned char i, ii, b, s;
+ unsigned c;
+
+ gotoxy (0, 1);
+ for (c = 0; c < 0x100; ++c) {
+ s = sinustable[c];
+ for (i = 0; i < 8; ++i){
+ b = 0;
+ for (ii = 0; ii < 8; ++ii) {
+ if ((rand() & 0xFF) > s) {
+ b |= bittab[ii];
+ }
+ }
+ ((unsigned char*)CHARSET) [(c*8) + i] = b;
+ }
+ if ((c & 0x07) == 0) {
+ cputc ('.');
+ }
+ }
+}
+
+
+
+int main (void)
+{
+ unsigned char border;
+ unsigned char background;
+ unsigned char text;
+ unsigned char v;
+ clock_t t;
+ unsigned long f = 0;
+ unsigned long sec;
+ unsigned sec10;
+ unsigned long fps;
+ unsigned fps10;
+
+
+ clrscr ();
+ cprintf ("Making charset, mompls");
+ makechar();
+
+ /* Set the border and background colors */
+ border = bordercolor (COLOR_BLUE);
+ background = bgcolor (COLOR_BLUE);
+ text = textcolor (COLOR_BLACK);
+ clrscr ();
+
+#if defined(__C64__)
+ /* Move the VIC 16K block */
+ outb (&CIA2.pra, 0x00);
+#endif
+
+ /* Remember the VIC address register */
+ v = inb (&VIC.addr);
+
+ /* Run the demo until a key was hit */
+ t = clock ();
+ while (!kbhit()) {
+ /* Build page 1, then make it visible */
+ scrn = (unsigned char*)SCREEN1;
+ doplasma();
+ outb (&VIC.addr, PAGE1);
+
+ /* Build page 2, then make it visible */
+ scrn = (unsigned char*)SCREEN2;
+ doplasma();
+ outb (&VIC.addr, PAGE2);
+
+ /* Count frames */
+ f += 2;
+ };
+ t = clock() - t;
+
+ /* Switch back the VIC screen */
+ outb (&VIC.addr, v);
+
+#if defined(__C64__)
+ /* Move back the VIC 16K block */
+ outb (&CIA2.pra, 0x03);
+#endif
+
+ /* Fetch the character from the keyboard buffer and discard it */
+ (void) cgetc();
+
+ /* Reset screen colors */
+ bordercolor (border);
+ bgcolor (background);
+ textcolor (text);
+ clrscr();
+
+ /* Calculate stats */
+ sec = (t * 10) / CLK_TCK;
+ sec10 = sec % 10;
+ sec /= 10;
+ fps = (f * (CLK_TCK * 10)) / t;
+ fps10 = fps % 10;
+ fps /= 10;
+
+ /* Output stats */
+ gotoxy (0, 0); cprintf ("time : %lu.%us", sec, sec10);
+ gotoxy (0, 1); cprintf ("frames: %lu", f);
+ gotoxy (0, 2); cprintf ("fps : %lu.%u", fps, fps10);
+
+ /* Wait for a key, then end */
+ cputsxy (0, 4, "Press any key when done...");
+ (void) cgetc ();
+
+ /* Done */
+ return EXIT_SUCCESS;
+}
+
+
projects / cc65 / commitdiff