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Rest of the OpenBSD commits, removes inline assembly from linux/sw_draw.c

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theoddone33
2002-05-22 04:24:21 +00:00
parent 61ece9f2d6
commit 2f13e5f8d4
3 changed files with 146 additions and 159 deletions
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167
zsnes/src/linux/sw_draw.c
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@@ -101,16 +101,17 @@ static void UnlockSurface(void)
extern DWORD AddEndBytes;
extern DWORD NumBytesPerLine;
extern unsigned char *WinVidMemStart;
extern unsigned char MMXSupport;
extern unsigned char NGNoTransp;
extern unsigned char newengen;
extern unsigned short resolutn;
extern void copy640x480x16bwin(void);
extern void ClearWin16 (void);
extern void DrawWin256x224x16(void);
extern void DrawWin320x240x16(void);
/* FIXME: Figure out how to make these locals */
static DWORD ScreenPtr;
static DWORD SurfBufD;
static DWORD pitch;
DWORD ScreenPtr;
DWORD SurfBufD;
DWORD pitch;
void sw_clearwin()
{
@@ -118,22 +119,7 @@ void sw_clearwin()
SurfBufD = (DWORD) surface->pixels;
LockSurface();
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
" xorl %%ebx, %%ebx\n" \
"Blank2:\n" \
" movl %1, %%ecx\n" \
" rep\n" \
" stosw\n" \
" movl %1, %%edx\n" \
" addl %0, %%edi\n" \
" shll $1, %%edx\n" \
" addl $1, %%ebx\n" \
" subl %%edx, %%edi\n" \
" cmpl %2, %%ebx\n" \
" jne Blank2\n" \
: : "g" (pitch), "g" (SurfaceX), "g" (SurfaceY), "D" (SurfBufD)
: "cc", "memory", "eax", "ebx", "edx", "ecx");
ClearWin16();
UnlockSurface();
}
@@ -165,144 +151,9 @@ void sw_drawwin()
}
if (SurfaceX == 256 && SurfaceY == 224) {
if (MMXSupport){
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
"Copying3:\n" \
" movl $32, %%ecx\n" \
"CopyLoop:\n" \
" movq (%%esi), %%mm0\n" \
" movq 8(%%esi), %%mm1\n" \
" movq %%mm0, (%%edi)\n" \
" movq %%mm1, 8(%%edi)\n" \
" addl $16, %%esi\n" \
" addl $16, %%edi\n" \
" decl %%ecx\n" \
" jnz CopyLoop\n" \
" incl %%eax\n" \
" addl %0, %%edi\n" \
" subl $512, %%edi\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%eax\n" \
" jne Copying3\n" \
" xorl %%eax, %%eax\n" \
" movl $128, %%ecx\n" \
" rep\n" \
" stosl\n" \
" emms\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD) : "cc", "memory", "eax", "ecx");
} else {
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
"Copying:\n" \
" movl $128, %%ecx\n" \
" rep\n" \
" movsl\n" \
" incl %%eax\n" \
" addl %0, %%edi\n" \
" subl $512, %%edi\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%eax\n" \
" jne Copying\n" \
" xorl %%eax, %%eax\n" \
" movl $128, %%ecx\n" \
" rep\n" \
" stosl\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD)
: "cc", "memory", "eax", "ecx");
}
DrawWin256x224x16();
} else if (SurfaceX == 320 && SurfaceY == 240) {
if (MMXSupport) {
__asm__ __volatile__ (
" xor %%eax, %%eax\n" \
" xor %%ebx, %%ebx\n" \
"Blank1MMX:\n" \
" mov $160, %%ecx\n" \
" rep\n" \
" stosl\n" \
" subl $160, %%edi\n" \
" addl %0, %%edi\n" \
" addl $1, %%ebx\n" \
" cmpl $8, %%ebx\n" \
" jne Blank1MMX\n" \
" xor %%ebx, %%ebx\n" \
" pxor %%mm0, %%mm0\n" \
"Copying2MMX:\n" \
" mov $4, %%ecx\n" \
"MMXLoopA:\n" \
" movq %%mm0, 0(%%edi)\n" \
" movq %%mm0, 8(%%edi)\n" \
" addl $16, %%edi\n" \
" dec %%ecx\n" \
" jnz MMXLoopA\n" \
" mov $32, %%ecx\n" \
"MMXLoopB:\n" \
" movq 0(%%esi), %%mm1\n" \
" movq 8(%%esi), %%mm2\n" \
" movq %%mm1, 0(%%edi)\n" \
" movq %%mm2, 8(%%edi)\n" \
" addl $16, %%esi\n" \
" addl $16, %%edi\n" \
" decl %%ecx\n" \
" jnz MMXLoopB\n" \
" mov $4, %%ecx\n" \
"MMXLoopC:\n" \
" movq %%mm0, 0(%%edi)\n" \
" movq %%mm0, 8(%%edi)\n" \
" addl $16, %%edi\n" \
" decl %%ecx\n" \
" jnz MMXLoopC\n" \
" incl %%ebx\n" \
" addl %0, %%edi\n" \
" subl $640, %%edi\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%ebx\n" \
" jne Copying2MMX\n" \
" movl $128, %%ecx\n" \
" rep\n" \
" stosl\n" \
" emms\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD)
: "cc", "memory", "eax", "ebx", "ecx");
} else {
__asm__ __volatile__ (
" xorl %%eax, %%eax\n" \
" xorl %%ebx, %%ebx\n" \
"Blank1:\n" \
" movl $160, %%ecx\n" \
" rep\n" \
" stosl\n" \
" subl $640, %%edi\n" \
" addl %0, %%edi\n" \
" addl $1, %%ebx\n" \
" cmpl $8, %%ebx\n" \
"jne Blank1\n" \
" xor %%ebx, %%ebx\n" \
"Copying2:\n" \
" movl $16, %%ecx\n" \
" rep\n" \
" stosl\n" \
" movl $128, %%ecx\n" \
" rep\n" \
" movsl\n" \
" movl $16, %%ecx\n" \
" rep\n" \
" stosl\n" \
" incl %%ebx\n" \
" addl %0, %%edi\n" \
" subl $640, %%edi\n" \
" addl $64, %%esi\n" \
" cmpl $223, %%ebx\n" \
" jne Copying2\n" \
" movl $128, %%ecx\n" \
" rep\n" \
" stosl\n" \
: : "g" (pitch), "S" (ScreenPtr), "D" (SurfBufD)
: "cc", "memory", "eax", "ebx", "ecx");
}
DrawWin320x240x16();
} else if(SurfaceX == 512 && SurfaceY == 448) {
AddEndBytes = pitch-1024;
NumBytesPerLine = pitch;