devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Grayscale lib on archos: Fixed bug introduced with the register usage change. Reusing a register twice won't work that well...

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7577 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2005-10-03 12:51:29 +00:00
parent cfb073c452
commit 1cbac551be
2 changed files with 14 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

14
apps/plugins/lib/gray_core.c
View file

@ -390,7 +390,7 @@ void gray_update_rect(int x, int y, int width, int height)
"mov.l @%[patp]+,r7\n"
"mov.l @%[patp]+,r8\n"
"mov.l @%[patp]+,r9\n"
"mov.l @%[patp],%[rx] \n"
"mov.l @%[patp],r10\n"
"tst %[mask],%[mask] \n" /* nothing to keep? */
"bt .ur_sloop \n" /* yes: jump to short loop */
@ -410,11 +410,11 @@ void gray_update_rect(int x, int y, int width, int height)
"rotcl r0 \n"
"shlr r9 \n"
"rotcl r0 \n"
"shlr %[rx] \n"
"mov.b @%[addr],%[patp]\n" /* read old value */
"shlr r10 \n"
"mov.b @%[addr],%[rx] \n" /* read old value */
"rotcl r0 \n"
"and %[mask],%[patp] \n" /* mask out unneeded bits */
"or %[patp],r0 \n" /* set new bits */
"and %[mask],%[rx] \n" /* mask out unneeded bits */
"or %[rx],r0 \n" /* set new bits */
"mov.b r0,@%[addr] \n" /* store value to bitplane */
"add %[psiz],%[addr] \n" /* advance to next bitplane */
"cmp/hi %[addr],%[end] \n" /* last bitplane done? */
@ -438,7 +438,7 @@ void gray_update_rect(int x, int y, int width, int height)
"rotcl r0 \n"
"shlr r9 \n"
"rotcl r0 \n"
"shlr %[rx] \n"
"shlr r10 \n"
"rotcl r0 \n"
"mov.b r0,@%[addr] \n" /* store byte to bitplane */
"add %[psiz],%[addr] \n" /* advance to next bitplane */
@ -455,7 +455,7 @@ void gray_update_rect(int x, int y, int width, int height)
[end] "r"(end),
[patp]"[rx]"(pat_ptr)
: /* clobbers */
"r0", "r1", "r2", "r3", "r6", "r7", "r8", "r9"
"r0", "r1", "r2", "r3", "r6", "r7", "r8", "r9", "r10"
);
}
#elif defined(CPU_COLDFIRE) && (LCD_DEPTH == 2)