From f4ba751572d828b29b6d4b8721daa9a08fd7c9d2 Mon Sep 17 00:00:00 2001 From: cuz Date: Wed, 26 Sep 2001 17:55:09 +0000 Subject: [PATCH] Added the plasma sample git-svn-id: svn://svn.cc65.org/cc65/trunk@975 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- samples/.cvsignore | 5 +- samples/Makefile | 36 +++++-- samples/plasma.c | 239 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 271 insertions(+), 9 deletions(-) create mode 100644 samples/plasma.c diff --git a/samples/.cvsignore b/samples/.cvsignore index 247064f3c..37eecc22a 100644 --- a/samples/.cvsignore +++ b/samples/.cvsignore @@ -1,7 +1,8 @@ -nachtm hello -sieve mousedemo +nachtm +plasma +sieve *.map *.d64 *.s diff --git a/samples/Makefile b/samples/Makefile index 2b627c528..de4814dc2 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -16,6 +16,9 @@ LD = ../src/ld65/ld65 C1541 = c1541 +# -------------------------------------------------------------------------- +# Generic rules + .c.o: @echo $< @$(CC) -Oirs -T --codesize 500 -g -t $(SYS) -I../include/ $< @@ -26,27 +29,46 @@ C1541 = c1541 @$(AS) $(basename $<).s +# -------------------------------------------------------------------------- +# Rules how to make each one of the binaries + +EXELIST=hello mousedemo nachtm plasma sieve + .PHONY: all -all: nachtm hello sieve mousedemo +all: $(EXELIST) + +hello: $(CRT0) hello.o $(CLIB) + @$(LD) -t $(SYS) -m hello.map -Ln hello.lbl -o $@ $^ + +mousedemo: $(CRT0) mousedemo.o $(CLIB) + @$(LD) -t $(SYS) -m mousedemo.map -Ln mousedemo.lbl -o $@ $^ nachtm: $(CRT0) nachtm.o $(CLIB) @$(LD) -t $(SYS) -m nachtm.map -Ln nachtm.lbl -o $@ $^ -hello: $(CRT0) hello.o $(CLIB) - @$(LD) -t $(SYS) -m hello.map -Ln hello.lbl -o $@ $^ +plasma: $(CRT0) plasma.o $(CLIB) + @$(LD) -t $(SYS) -m nachtm.map -Ln nachtm.lbl -o $@ $^ sieve: $(CRT0) sieve.o $(CLIB) @$(LD) -t $(SYS) -m sieve.map -Ln sieve.lbl -o $@ $^ -mousedemo: $(CRT0) mousedemo.o $(CLIB) - @$(LD) -t $(SYS) -m mousedemo.map -Ln mousedemo.lbl -o $@ $^ + +# -------------------------------------------------------------------------- +# Rule to make a disk with all samples. Needs the c1541 program that comes +# with the VICE emulator. .PHONY: disk disk: samples.d64 samples.d64: all $(C1541) -format samples,AA d64 $@ - $(C1541) -attach $@ -write nachtm -write hello -write sieve -write mousedemo + for exe in $(EXELIST); do\ + $(C1541) -attach $@ -write $$exe;\ + done + + +# -------------------------------------------------------------------------- +# Cleanup rules .PHONY: clean clean: @@ -54,7 +76,7 @@ clean: .PHONY: zap zap: clean - rm -f nachtm hello sieve mousedemo samples.d64 + rm -f $(EXELIST) samples.d64 diff --git a/samples/plasma.c b/samples/plasma.c new file mode 100644 index 000000000..e81bc427d --- /dev/null +++ b/samples/plasma.c @@ -0,0 +1,239 @@ +/***************************************************************************** + * plasma test program for cc65. * + * * + * (w)2001 by groepaz/hitmen * + * * + * Cleanup and porting by Ullrich von Bassewitz. * + * * + *****************************************************************************/ + + + +#include +#include +#include + + + +#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) { + 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; +} + + -- 2.39.5