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Added simple key event processing.

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This commit is contained in:
Steven Fuller 2001-08-08 22:42:43 +00:00 • committed by Patryk Obara
parent a113617c02
commit 45cf2eb3a1
7 changed files with 81 additions and 49 deletions
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39
src/mathline.c
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@ -162,12 +162,12 @@ void MUL_I_WIDE(int a, int b, LONGLONGCH *c)
mov [ebx+4],edx
}
*/
__asm__("imull %2 \n\t"
__asm__("imull %%edx \n\t"
"movl %%eax, 0(%%ebx) \n\t"
"movl %%edx, 4(%%ebx) \n\t"
:
: "a" (a), "b" (c), "q" (b)
: "%edx", "memory", "cc"
: "a" (a), "b" (c), "d" (b)
: "memory", "cc"
);
}
@ -208,18 +208,18 @@ __asm__("movl 0(%%ebx), %%eax \n\t"
"movl 4(%%ebx), %%edx \n\t"
"subl 0(%%ecx), %%eax \n\t"
"sbbl 4(%%ecx), %%edx \n\t"
"xorl %0, %0 \n\t" /* hopefully it doesn't pick %eax or %edx */
"xorl %%ebx, %%ebx \n\t"
"andl %%edx, %%edx \n\t"
"jne 0 \n\t" /* llnz */
"andl %%eax, %%eax \n\t"
"je 1 \n" /* llgs */
"0: \n\t" /* llnz */
"movl $1, %0 \n\t"
"movl $1, %%ebx \n\t"
"andl %%edx, %%edx \n\t"
"jge 1 \n\t" /* llgs */
"negl %0 \n"
"negl %%ebx \n"
"1: \n\t" /* llgs */
: "=r" (retval)
: "=b" (retval)
: "b" (a), "c" (b)
: "%eax", "%edx", "memory", "cc"
);
@ -374,12 +374,11 @@ int MUL_FIXED(int a, int b)
mov retval,eax
}
*/
/* TODO */
__asm__("imull %2 \n\t"
__asm__("imull %%edx \n\t"
"shrdl $16, %%edx, %%eax \n\t"
: "=a" (retval)
: "a" (a), "q" (b)
: "%edx", "cc"
: "a" (a), "d" (b)
: "cc"
);
return retval;
}
@ -405,14 +404,13 @@ int DIV_FIXED(int a, int b)
mov retval,eax
}
*/
/* TODO */
__asm__("cdq \n\t"
"roll $16, %%eax \n\t"
"mov %%ax, %%dx \n\t"
"xor %%ax, %%ax \n\t"
"idivl %2 \n\t"
"idivl %%ebx \n\t"
: "=a" (retval)
: "a" (a), "q" (b)
: "a" (a), "b" (b)
: "%edx", "cc"
);
return retval;
@ -625,3 +623,16 @@ __asm__("fld fti_fptmp \n\t"
return fptmp;
#endif
}
void TranslatePoint(float *source, float *dest, float *matrix)
{
// fprintf(stderr, "TranslatePoint(%f, %f, %f)\n");
/* TODO - implement the inline assembly here? */
/* Moved it to a separate file because I can't figure out the damn syntax! */
/* This is currently not inlined for testing */
__asm__("call TranslatePoint_Asm \n\t"
:
: "S" (source), "b" (dest), "D" (matrix)
);
}