Height can be a parameter too

1 files changed, 5 insertions, 6 deletions

diff --git a/src/vga.c b/src/vga.c
index c78fcec..a82fca9 100644
--- a/src/vga.c
+++ b/src/vga.c
@@ -197,16 +197,15 @@ void blit_copy(const Rect *dst)
     }
 }
 
-void blit_copy16x16(const Rect *dst)
+void blit_copy16(const Rect *dst)
 {
     uint8_t *src = buffer + dst->x + dst->y * 320;
     uint8_t *dtarget = screen + dst->x + dst->y * 320;
 
     asm volatile (
-        "movl $16, %%eax\n\t"
         "movl $0x130, %%ebx\n\t"
         "cld\n\t"
-        "blit_copy16x16_loop:\n\t"
+        "blit_copy16_loop:\n\t"
         "movsl\n\t"
         "movsl\n\t"
         "movsl\n\t"
@@ -215,9 +214,9 @@ void blit_copy16x16(const Rect *dst)
         "addl %%ebx, %%edi\n\t"
         "decl %%eax\n\t"
         "orl %%eax, %%eax\n\t"
-        "jne blit_copy16x16_loop\n\t"
+        "jne blit_copy16_loop\n\t"
         : /* no output */
-        : "S" (src), "D" (dtarget)
-        : "ecx", "ebx", "eax"
+        : "S" (src), "D" (dtarget), "a" ((uint32_t)dst->h)
+        : "ecx", "ebx"
     );
 }