. 避免设置控制台颜色出现闪烁现象。(issues #206)。

chenall · Aug 1, 2019 · 45e75e0 · 45e75e0
1 parent 9fc74ea
commit 45e75e0
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/stage2/asm.S b/stage2/asm.S
@@ -15507,6 +15507,10 @@ ENTRY(set_videomode)
 	// the caller want to confirm AL=0x1B for a successful return.
 	movb	%al, %cs:(0x8000+64)	// it is certain CS = 0
 1:
+	xorb	%bh, %bh
+	movb	$0, %bl
+	movw	$0x1003, %ax
+	int	$0x10
 	call	EXT_C(real_to_prot)
 	.code32
 

diff --git a/stage2/builtins.c b/stage2/builtins.c
@@ -15633,7 +15633,7 @@ struct builtin builtin_graphicsmode =
   "graphicsmode",
   graphicsmode_func,
   BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_SCRIPT | BUILTIN_HELP_LIST,
-  "graphicsmode [0x12 | 0x6A]",
+  "graphicsmode [MODE]",
   "Display/set the graphics mode number for the next graphics init."
   "Return the current graphics mode setting."
 };