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Added option to build samples with statically linked drivers - and have the targets use it by default which don't support dynamically loaded drivers.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5913 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
ol.sc
2012-11-04 22:01:51 +00:00
parent 895779d612
commit ca2ba14bbe
6 changed files with 155 additions and 112 deletions
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91
samples/mandelbrot.c
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@@ -14,18 +14,18 @@
/* Graphics definitions */
#define SCREEN_X (tgi_getxres())
#define SCREEN_Y (tgi_getyres())
#define MAXCOL (tgi_getcolorcount())
#define SCREEN_X (tgi_getxres())
#define SCREEN_Y (tgi_getyres())
#define MAXCOL (tgi_getcolorcount())
#define maxiterations 32
#define fpshift (10)
#define tofp(_x) ((_x)<<fpshift)
#define fromfp(_x) ((_x)>>fpshift)
#define fpabs(_x) (abs(_x))
#define maxiterations 32
#define fpshift (10)
#define tofp(_x) ((_x)<<fpshift)
#define fromfp(_x) ((_x)>>fpshift)
#define fpabs(_x) (abs(_x))
#define mulfp(_a,_b) ((((signed long)_a)*(_b))>>fpshift)
#define divfp(_a,_b) ((((signed long)_a)<<fpshift)/(_b))
#define mulfp(_a,_b) ((((signed long)_a)*(_b))>>fpshift)
#define divfp(_a,_b) ((((signed long)_a)<<fpshift)/(_b))
/* Workaround missing clock stuff */
#if defined(__APPLE2__) || defined(__APPLE2ENH__)
@@ -33,13 +33,18 @@
# define CLK_TCK 1
#endif
/* Use dynamically loaded driver by default */
#ifndef DYN_DRV
# define DYN_DRV 1
#endif
/* Use static local variables for speed */
#pragma static-locals (1);
void mandelbrot (signed short x1, signed short y1, signed short x2,
signed short y2)
signed short y2)
{
register unsigned char count;
register signed short r, r1, i;
@@ -52,32 +57,32 @@ void mandelbrot (signed short x1, signed short y1, signed short x2,
yy = y1;
for (y = 0; y < (SCREEN_Y); y++) {
yy += ys;
xx = x1;
for (x = 0; x < (SCREEN_X); x++) {
xx += xs;
/* do iterations */
r = 0;
i = 0;
for (count = 0; (count < maxiterations) &&
(fpabs (r) < tofp (2)) && (fpabs (i) < tofp (2));
++count) {
r1 = (mulfp (r, r) - mulfp (i, i)) + xx;
/* i = (mulfp(mulfp(r,i),tofp(2)))+yy; */
i = (((signed long) r * i) >> (fpshift - 1)) + yy;
r = r1;
}
if (count == maxiterations) {
tgi_setcolor (0);
} else {
if (MAXCOL == 2)
tgi_setcolor (1);
else
tgi_setcolor (count % MAXCOL);
}
/* set pixel */
tgi_setpixel (x, y);
}
yy += ys;
xx = x1;
for (x = 0; x < (SCREEN_X); x++) {
xx += xs;
/* do iterations */
r = 0;
i = 0;
for (count = 0; (count < maxiterations) &&
(fpabs (r) < tofp (2)) && (fpabs (i) < tofp (2));
++count) {
r1 = (mulfp (r, r) - mulfp (i, i)) + xx;
/* i = (mulfp(mulfp(r,i),tofp(2)))+yy; */
i = (((signed long) r * i) >> (fpshift - 1)) + yy;
r = r1;
}
if (count == maxiterations) {
tgi_setcolor (0);
} else {
if (MAXCOL == 2)
tgi_setcolor (1);
else
tgi_setcolor (count % MAXCOL);
}
/* set pixel */
tgi_setpixel (x, y);
}
}
}
@@ -90,14 +95,19 @@ int main (void)
clrscr ();
#if DYN_DRV
/* Load the graphics driver */
cprintf ("initializing... mompls\r\n");
tgi_load_driver (tgi_stddrv);
#else
/* Install the graphics driver */
tgi_install (tgi_static_stddrv);
#endif
err = tgi_geterror ();
if (err != TGI_ERR_OK) {
cprintf ("Error #%d initializing graphics.\r\n%s\r\n",
err, tgi_geterrormsg (err));
exit (EXIT_FAILURE);
cprintf ("Error #%d initializing graphics.\r\n%s\r\n",
err, tgi_geterrormsg (err));
exit (EXIT_FAILURE);
};
cprintf ("ok.\n\r");
@@ -132,5 +142,4 @@ int main (void)
/* Done */
return EXIT_SUCCESS;
}