- instructed gcc to emit only pentium1 instructions

[dosdemo] / src / dos / gfx.c

diff --git a/src/dos/gfx.c b/src/dos/gfx.c
index 46cec31..c2e4f8d 100644 (file)
--- a/src/dos/gfx.c
+++ b/src/dos/gfx.c
@@ -154,43 +154,6 @@ void set_palette(int idx, int r, int g, int b)
        vbe_set_palette(idx, col, 1, pal_bits);
 }
 
-#ifdef __WATCOMC__
-void wait_vsync_asm(void);
-#pragma aux wait_vsync_asm = \
-       "mov dx, 0x3da" \
-       "l1:" \
-       "in al, dx" \
-       "and al, 0x8" \
-       "jnz l1" \
-       "l2:" \
-       "in al, dx" \
-       "and al, 0x8" \
-       "jz l2" \
-       modify[al dx];
-
-void wait_vsync(void)
-{
-       wait_vsync_asm();
-}
-#endif
-
-#ifdef __DJGPP__
-void wait_vsync(void)
-{
-       asm volatile (
-               "mov $0x3da, %%dx\n\t"
-               "0:\n\t"
-               "in %%dx, %%al\n\t"
-               "and $8, %%al\n\t"
-               "jnz 0b\n\t"
-               "0:\n\t"
-               "in %%dx, %%al\n\t"
-               "and $8, %%al\n\t"
-               "jz 0b\n\t"
-               :::"%eax","%edx");
-}
-#endif
-
 static unsigned int make_mask(int sz, int pos)
 {
        unsigned int i, mask = 0;