6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-05-31 22:41:32 +00:00
Code Issues Projects Releases Wiki Activity

Use register variables

Browse Source 
git-svn-id: svn://svn.cc65.org/cc65/trunk@1630 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2002-11-25 13:06:08 +00:00
parent e1385c925a
commit b4b1a82968
1 changed files with 6 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
samples/plasma.c
View File

@ -38,7 +38,7 @@
/* Use static local variables for speed */
#pragma staticlocals (1);
#pragma staticlocals (1);
@ -79,19 +79,15 @@ static const unsigned char sinustable[0x100] = {
static unsigned char *scrn;
static void doplasma (void)
static void doplasma (register unsigned char* scrn)
{
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;
register unsigned char i, ii;
c1a = c1A;
c1b = c1B;
@ -165,6 +161,7 @@ int main (void)
unsigned long fps;
unsigned fps10;
#if defined(__C64__)
unsigned char block;
#endif
@ -206,13 +203,11 @@ int main (void)
t = clock ();
while (!kbhit()) {
/* Build page 1, then make it visible */
scrn = (unsigned char*)SCREEN1;
doplasma ();
doplasma ((unsigned char*)SCREEN1);
outb (&VIC.addr, PAGE1);
/* Build page 2, then make it visible */
scrn = (unsigned char*)SCREEN2;
doplasma ();
doplasma ((unsigned char*)SCREEN2);
outb (&VIC.addr, PAGE2);
/* Count frames */