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c64: update presets
This commit is contained in:
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c6345ec728
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300
presets/c64/plasma.c
Normal file
300
presets/c64/plasma.c
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/*****************************************************************************\
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** plasma test program for cc65. **
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** **
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** (w)2001 by groepaz **
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** **
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** Cleanup and porting by Ullrich von Bassewitz. **
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** **
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\*****************************************************************************/
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#include <stdlib.h>
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#include <time.h>
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#include <conio.h>
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#include <cc65.h>
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#if defined(__C64__) || defined(__C128__)
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# define SCREEN1 0xE000
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# define SCREEN2 0xE400
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# define CHARSET 0xE800
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# define outb(addr,val) (*(addr)) = (val)
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# define inb(addr) (*(addr))
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#elif defined(__CBM510__)
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# define SCREEN1 0xF000
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# define SCREEN2 0xF400
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# define CHARSET 0xE000
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# define outb(addr,val) pokebsys ((unsigned)(addr), val)
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# define inb(addr) peekbsys ((unsigned)(addr))
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#elif defined(__PLUS4__)
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# define SCREEN1 0x6400
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# define SCREEN2 0x6C00
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# define CHARSET 0x7000
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# define outb(addr,val) (*(addr)) = (val)
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# define inb(addr) (*(addr))
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#endif
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/* Values for the VIC address register to switch between the two pages */
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#if defined(__PLUS4__)
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#define PAGE1 ((SCREEN1 >> 8) & 0xF8)
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#define PAGE2 ((SCREEN2 >> 8) & 0xF8)
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#define CHARADR ((CHARSET >> 8) & 0xFC)
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#else
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#define PAGE1 ((SCREEN1 >> 6) & 0xF0) | ((CHARSET >> 10) & 0x0E)
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#define PAGE2 ((SCREEN2 >> 6) & 0xF0) | ((CHARSET >> 10) & 0x0E)
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#endif
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/* Use static local variables for speed */
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#pragma static-locals (1);
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static const unsigned char sinustable[0x100] = {
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0x80, 0x7d, 0x7a, 0x77, 0x74, 0x70, 0x6d, 0x6a,
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0x67, 0x64, 0x61, 0x5e, 0x5b, 0x58, 0x55, 0x52,
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0x4f, 0x4d, 0x4a, 0x47, 0x44, 0x41, 0x3f, 0x3c,
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0x39, 0x37, 0x34, 0x32, 0x2f, 0x2d, 0x2b, 0x28,
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0x26, 0x24, 0x22, 0x20, 0x1e, 0x1c, 0x1a, 0x18,
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0x16, 0x15, 0x13, 0x11, 0x10, 0x0f, 0x0d, 0x0c,
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0x0b, 0x0a, 0x08, 0x07, 0x06, 0x06, 0x05, 0x04,
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0x03, 0x03, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03,
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0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x0a,
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0x0b, 0x0c, 0x0d, 0x0f, 0x10, 0x11, 0x13, 0x15,
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0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24,
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0x26, 0x28, 0x2b, 0x2d, 0x2f, 0x32, 0x34, 0x37,
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0x39, 0x3c, 0x3f, 0x41, 0x44, 0x47, 0x4a, 0x4d,
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0x4f, 0x52, 0x55, 0x58, 0x5b, 0x5e, 0x61, 0x64,
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0x67, 0x6a, 0x6d, 0x70, 0x74, 0x77, 0x7a, 0x7d,
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0x80, 0x83, 0x86, 0x89, 0x8c, 0x90, 0x93, 0x96,
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0x99, 0x9c, 0x9f, 0xa2, 0xa5, 0xa8, 0xab, 0xae,
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0xb1, 0xb3, 0xb6, 0xb9, 0xbc, 0xbf, 0xc1, 0xc4,
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0xc7, 0xc9, 0xcc, 0xce, 0xd1, 0xd3, 0xd5, 0xd8,
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0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8,
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0xea, 0xeb, 0xed, 0xef, 0xf0, 0xf1, 0xf3, 0xf4,
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0xf5, 0xf6, 0xf8, 0xf9, 0xfa, 0xfa, 0xfb, 0xfc,
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0xfd, 0xfd, 0xfe, 0xfe, 0xfe, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xfe, 0xfd,
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0xfd, 0xfc, 0xfb, 0xfa, 0xfa, 0xf9, 0xf8, 0xf6,
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0xf5, 0xf4, 0xf3, 0xf1, 0xf0, 0xef, 0xed, 0xeb,
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0xea, 0xe8, 0xe6, 0xe4, 0xe2, 0xe0, 0xde, 0xdc,
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0xda, 0xd8, 0xd5, 0xd3, 0xd1, 0xce, 0xcc, 0xc9,
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0xc7, 0xc4, 0xc1, 0xbf, 0xbc, 0xb9, 0xb6, 0xb3,
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0xb1, 0xae, 0xab, 0xa8, 0xa5, 0xa2, 0x9f, 0x9c,
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0x99, 0x96, 0x93, 0x90, 0x8c, 0x89, 0x86, 0x83
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};
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static void doplasma (register unsigned char* scrn)
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{
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unsigned char xbuf[40];
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unsigned char ybuf[25];
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unsigned char c1a,c1b;
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unsigned char c2a,c2b;
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unsigned char c1A,c1B;
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unsigned char c2A,c2B;
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register unsigned char i, ii;
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c1a = c1A;
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c1b = c1B;
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for (ii = 0; ii < 25; ++ii) {
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ybuf[ii] = (sinustable[c1a] + sinustable[c1b]);
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c1a += 4;
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c1b += 9;
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}
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c1A += 3;
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c1B -= 5;
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c2a = c2A;
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c2b = c2B;
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for (i = 0; i < 40; ++i) {
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xbuf[i] = (sinustable[c2a] + sinustable[c2b]);
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c2a += 3;
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c2b += 7;
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}
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c2A += 2;
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c2B -= 3;
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for (ii = 0; ii < 25; ++ii) {
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/* Unrolling the following loop will give a speed increase of
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** nearly 100% (~24fps), but it will also increase the code
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** size a lot.
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*/
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for (i = 0; i < 40; ++i, ++scrn) {
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*scrn = (xbuf[i] + ybuf[ii]);
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}
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}
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}
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static void makechar (void)
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{
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static const unsigned char bittab[8] = {
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0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
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};
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unsigned char i, ii, b, s;
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unsigned c;
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gotoxy (0, 1);
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for (c = 0; c < 0x100; ++c) {
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s = sinustable[c];
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for (i = 0; i < 8; ++i){
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b = 0;
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for (ii = 0; ii < 8; ++ii) {
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if ((rand() & 0xFFu) > s) {
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b |= bittab[ii];
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}
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}
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((unsigned char*)CHARSET) [(c*8) + i] = b;
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}
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if ((c & 0x07) == 0) {
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cputc ('.');
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}
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}
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}
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int main (void)
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{
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unsigned char border;
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unsigned char background;
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unsigned char text;
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unsigned char v;
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clock_t t;
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unsigned long f = 0;
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unsigned long sec;
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unsigned sec10;
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unsigned long fps;
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unsigned fps10;
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#if defined(__C64__)
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unsigned char block;
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#endif
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#if defined(__C128__)
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unsigned char block;
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unsigned char initflag;
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unsigned char graphflag;
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#endif
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#if defined(__PLUS4__)
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unsigned int i;
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unsigned char v2;
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#endif
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clrscr ();
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cprintf ("Making charset, mompls");
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makechar();
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/* Set the border and background colors */
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border = bordercolor (COLOR_BLUE);
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background = bgcolor (COLOR_BLUE);
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text = textcolor (COLOR_BLACK);
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clrscr ();
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#if defined(__C64__) || defined(__C128__)
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/* Move the VIC 16K block */
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block = inb (&CIA2.pra);
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outb (&CIA2.pra, (block & 0xFC) | ((SCREEN1 >> 14) ^ 0x03));
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#endif
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#if defined(__C128__)
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/* Save and change some flags, so that kernal/basic interrupt handler will
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** not interfere with our routine.
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*/
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initflag = *(unsigned char*) 0xA04;
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*(unsigned char*) 0xA04 &= 0xFE;
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graphflag = *(unsigned char*) 0xD8;
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*(unsigned char*) 0xD8 = 0xFF;
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#endif
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/* Remember the VIC address register */
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#if defined(__PLUS4__)
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v = inb (&TED.char_addr);
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v2 = inb (&TED.video_addr);
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#else
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v = inb (&VIC.addr);
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#endif
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#if defined(__PLUS4__)
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for (i=0;i<1000;i++) {
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((unsigned char *) (SCREEN1-0x0400))[i] = 0;
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((unsigned char *) (SCREEN2-0x0400))[i] = 0;
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}
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outb (&TED.char_addr, CHARADR);
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#endif
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/* Run the demo until a key was hit */
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t = clock ();
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while (!kbhit()) {
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/* Build page 1, then make it visible */
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doplasma ((unsigned char*)SCREEN1);
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#if defined(__PLUS4__)
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outb (&TED.video_addr, PAGE1);
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#else
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outb (&VIC.addr, PAGE1);
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#endif
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/* Build page 2, then make it visible */
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doplasma ((unsigned char*)SCREEN2);
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#if defined(__PLUS4__)
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outb (&TED.video_addr, PAGE2);
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#else
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outb (&VIC.addr, PAGE2);
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#endif
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/* Count frames */
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f += 2;
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}
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t = clock() - t;
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/* Switch back the VIC screen */
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#if defined(__PLUS4__)
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outb (&TED.video_addr, v2);
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outb (&TED.char_addr, v);
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#else
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outb (&VIC.addr, v);
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#endif
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#if defined(__C64__) || defined(__C128__)
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/* Move back the VIC 16K block */
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outb (&CIA2.pra, block);
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#endif
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#if defined(__C128__)
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/* Restore the flags */
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*(unsigned char*) 0xA04 = initflag;
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*(unsigned char*) 0xD8 = graphflag;
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#endif
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/* Fetch the character from the keyboard buffer and discard it */
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(void) cgetc();
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/* Reset screen colors */
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bordercolor (border);
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bgcolor (background);
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textcolor (text);
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clrscr ();
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/* Calculate stats */
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sec = (t * 10) / CLK_TCK;
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sec10 = sec % 10;
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sec /= 10;
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fps = (f * (CLK_TCK * 10)) / t;
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fps10 = fps % 10;
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fps /= 10;
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/* Output stats */
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gotoxy (0, 0); cprintf ("time : %lu.%us", sec, sec10);
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gotoxy (0, 1); cprintf ("frames: %lu", f);
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gotoxy (0, 2); cprintf ("fps : %lu.%u", fps, fps10);
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if (doesclrscrafterexit ()) {
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cputsxy (0, 4, "Press any key when done...");
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(void) cgetc ();
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}
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/* Done */
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return EXIT_SUCCESS;
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}
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@ -124,6 +124,7 @@ void update_scoreboard() {
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void add_score(int delta) {
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void add_score(int delta) {
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score = bcd_add(score, delta);
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score = bcd_add(score, delta);
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update_scoreboard();
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}
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}
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// clear scoreboard and draw initial strings
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// clear scoreboard and draw initial strings
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@ -257,7 +258,6 @@ void detect_player_collision(byte bgcoll, byte sprcoll) {
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sprshad.spr_color[PLAYER_INDEX] = COLOR_LIGHTRED;
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sprshad.spr_color[PLAYER_INDEX] = COLOR_LIGHTRED;
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SID_PLAY_TONE(500);
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SID_PLAY_TONE(500);
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if (score != 0) { add_score(0x9999); } // BCD -1
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if (score != 0) { add_score(0x9999); } // BCD -1
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update_scoreboard();
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} else {
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} else {
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sprshad.spr_color[PLAYER_INDEX] = COLOR_GREEN;
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sprshad.spr_color[PLAYER_INDEX] = COLOR_GREEN;
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}
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}
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@ -266,7 +266,6 @@ void detect_player_collision(byte bgcoll, byte sprcoll) {
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sprshad.spr_color[POWERUP_INDEX] += 1; // cycle colors
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sprshad.spr_color[POWERUP_INDEX] += 1; // cycle colors
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SID_PLAY_TONE(8000);
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SID_PLAY_TONE(8000);
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add_score(1);
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add_score(1);
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update_scoreboard();
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}
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}
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}
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}
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143
presets/c64/test_display_list.c
Normal file
143
presets/c64/test_display_list.c
Normal file
@ -0,0 +1,143 @@
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#include "common.h"
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//#link "common.c"
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#include "rasterirq.h"
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//#link "rasterirq.ca65"
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#include "bcd.h"
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//#link "bcd.c"
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///// DEFINES
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#define GAME_BASE 0x400 // scrolling screen ram
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#define SCORE_BASE 0x2c00 // scoreboard screen ram
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#define SCROLL_TOP 8 // scroll top row
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#define SCROLL_ROWS 14 // scroll # of rows
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#define GROUND_ROW 7 // ground row (+ top row)
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///// VARIABLES
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word scroll_x = 0; // current scroll X position
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word score = 0; // current player score
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///// FUNCTIONS
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// display list used by rasterirq.h
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||||||
|
// draws scoreboard and sets scroll register
|
||||||
|
void display_list() {
|
||||||
|
// set x scroll register to scroll value
|
||||||
|
SET_SCROLL_X(scroll_x);
|
||||||
|
// set background color
|
||||||
|
VIC.bgcolor[0] = COLOR_CYAN;
|
||||||
|
// next interrupt is two rows from bottom
|
||||||
|
DLIST_NEXT(250-16);
|
||||||
|
|
||||||
|
// set background color
|
||||||
|
VIC.bgcolor[0] = COLOR_BLUE;
|
||||||
|
// screen memory = 0x2800
|
||||||
|
SET_VIC_SCREEN(SCORE_BASE);
|
||||||
|
// clear x scroll register
|
||||||
|
SET_SCROLL_X(0);
|
||||||
|
// next interrupt is bottom of frame
|
||||||
|
DLIST_NEXT(250);
|
||||||
|
|
||||||
|
// reset screen to 0x400
|
||||||
|
SET_VIC_SCREEN(0x400);
|
||||||
|
// next interrupt is above top of next frame
|
||||||
|
DLIST_RESTART(40);
|
||||||
|
}
|
||||||
|
|
||||||
|
void update_scoreboard() {
|
||||||
|
draw_bcd_word(SCRNADR(SCORE_BASE,7,24), score);
|
||||||
|
}
|
||||||
|
|
||||||
|
void add_score(int delta) {
|
||||||
|
score = bcd_add(score, delta);
|
||||||
|
}
|
||||||
|
|
||||||
|
// clear scoreboard and draw initial strings
|
||||||
|
void init_scoreboard() {
|
||||||
|
memset((void*)SCORE_BASE, ' ', 1024);
|
||||||
|
memcpy((void*)SCRNADR(SCORE_BASE,1,24), "SCORE:", 6);
|
||||||
|
update_scoreboard();
|
||||||
|
}
|
||||||
|
|
||||||
|
byte get_char_for_row(byte row) {
|
||||||
|
// ground?
|
||||||
|
if (row >= GROUND_ROW) { return 253; }
|
||||||
|
// obstacle?
|
||||||
|
if (row >= GROUND_ROW-3) {
|
||||||
|
// only show obstacle for certain values of scroll_x
|
||||||
|
if ((scroll_x & 0b1110000) == 0) { return 247; }
|
||||||
|
}
|
||||||
|
// default is the sky (empty space)
|
||||||
|
return 32;
|
||||||
|
}
|
||||||
|
|
||||||
|
void draw_right_column() {
|
||||||
|
// get the top-right corner address of scroll area
|
||||||
|
word addr = SCRNADR(GAME_BASE, 39, SCROLL_TOP);
|
||||||
|
byte row;
|
||||||
|
// draw one character per row
|
||||||
|
for (row=0; row<SCROLL_ROWS; row++) {
|
||||||
|
POKE(addr, get_char_for_row(row));
|
||||||
|
addr += 40;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void scroll_one_column_left() {
|
||||||
|
// copy several rows of screen memory
|
||||||
|
// backwards one byte
|
||||||
|
const word start = SCRNADR(GAME_BASE, 0, SCROLL_TOP);
|
||||||
|
const word nbytes = SCROLL_ROWS*40-1;
|
||||||
|
memcpy((byte*)start, (byte*)start+1, nbytes);
|
||||||
|
// draw the right column of characters
|
||||||
|
draw_right_column();
|
||||||
|
}
|
||||||
|
|
||||||
|
void scroll_one_pixel_left() {
|
||||||
|
// scroll left one pixel
|
||||||
|
scroll_x -= 1;
|
||||||
|
// set scroll register with lower three bits
|
||||||
|
VIC.ctrl2 = (VIC.ctrl2 & ~7) | (scroll_x & 7);
|
||||||
|
// move screen memory if the scroll register
|
||||||
|
// has just gone past 0 and wrapped to 7
|
||||||
|
if ((scroll_x & 7) == 7) {
|
||||||
|
scroll_one_column_left();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void main() {
|
||||||
|
// clear screen, set background color
|
||||||
|
clrscr();
|
||||||
|
VIC.bgcolor[0] = COLOR_CYAN;
|
||||||
|
VIC.bordercolor = COLOR_BLUE;
|
||||||
|
|
||||||
|
// set vertical scroll = 3, 25 rows
|
||||||
|
VIC.ctrl1 = 0b00011011;
|
||||||
|
// set 38 column mode (for X scrolling)
|
||||||
|
VIC.ctrl2 = 0b00000000;
|
||||||
|
// set uniform color of characters
|
||||||
|
memset(COLOR_RAM, COLOR_WHITE, 1000);
|
||||||
|
|
||||||
|
// setup scoreboard
|
||||||
|
init_scoreboard();
|
||||||
|
|
||||||
|
// setup rasterirq library for scoreboard split
|
||||||
|
DLIST_SETUP(display_list);
|
||||||
|
|
||||||
|
// game loop, repeat forever
|
||||||
|
while (1) {
|
||||||
|
// wait for end of frame
|
||||||
|
waitvsync();
|
||||||
|
|
||||||
|
// scroll screen
|
||||||
|
scroll_one_pixel_left();
|
||||||
|
|
||||||
|
// add to score
|
||||||
|
add_score(0x0001);
|
||||||
|
update_scoreboard();
|
||||||
|
}
|
||||||
|
}
|
@ -8,6 +8,7 @@ const C64_PRESETS = [
|
|||||||
{id:'hello.dasm', name:'Hello World (ASM)'},
|
{id:'hello.dasm', name:'Hello World (ASM)'},
|
||||||
{id:'23matches.c', name:'23 Matches'},
|
{id:'23matches.c', name:'23 Matches'},
|
||||||
{id:'tgidemo.c', name:'TGI Graphics Demo'},
|
{id:'tgidemo.c', name:'TGI Graphics Demo'},
|
||||||
|
{id:'plasma.c', name:'Plasma Demo'},
|
||||||
{id:'upandaway.c', name:'Up, Up and Away'},
|
{id:'upandaway.c', name:'Up, Up and Away'},
|
||||||
{id:'siegegame.c', name:'Siege Game'},
|
{id:'siegegame.c', name:'Siege Game'},
|
||||||
{id:'joymove.c', name:'Sprite Movement'},
|
{id:'joymove.c', name:'Sprite Movement'},
|
||||||
@ -17,6 +18,7 @@ const C64_PRESETS = [
|
|||||||
{id:'scroll3.c', name:'Scrolling (Multidirectional)'},
|
{id:'scroll3.c', name:'Scrolling (Multidirectional)'},
|
||||||
{id:'scroll4.c', name:'Scrolling (Color RAM Buffering)'},
|
{id:'scroll4.c', name:'Scrolling (Color RAM Buffering)'},
|
||||||
{id:'scroll5.c', name:'Scrolling (Camera Following)'},
|
{id:'scroll5.c', name:'Scrolling (Camera Following)'},
|
||||||
|
{id:'test_display_list.c', name:'Display List / Raster IRQ'},
|
||||||
{id:'side_scroller.c', name:'Side-Scrolling Game'},
|
{id:'side_scroller.c', name:'Side-Scrolling Game'},
|
||||||
{id:'fullscrollgame.c', name:'Full-Scrolling Game'},
|
{id:'fullscrollgame.c', name:'Full-Scrolling Game'},
|
||||||
{id:'test_multiplex.c', name:'Sprite Retriggering'},
|
{id:'test_multiplex.c', name:'Sprite Retriggering'},
|
||||||
|
Loading…
Reference in New Issue
Block a user