- disable CRTC write protection before setting new values

- CRTC line for mode 0x6a fixed

2 files changed, 3 insertions, 1 deletions

diff --git a/vgabios.c b/vgabios.c
index f54d20d..0931bb7 100644
--- a/vgabios.c
+++ b/vgabios.c
@@ -873,6 +873,8 @@ static void biosfn_set_video_mode(mode) Bit8u mode;
  // Set CRTC address VGA or MDA 
  crtc_addr=vga_modes[line].memmodel==MTEXT?VGAREG_MDA_CRTC_ADDRESS:VGAREG_VGA_CRTC_ADDRESS;
 
+ // Disable CRTC write protection
+ outw(crtc_addr,0x0011);
  // Set CRTC regs
  for(i=0;i<=CRTC_MAX_REG;i++)
   {outb(crtc_addr,i);
diff --git a/vgatables.h b/vgatables.h
index 8f4fbb0..e5eca1e 100644
--- a/vgatables.h
+++ b/vgatables.h
@@ -154,7 +154,7 @@ static Bit8u crtc_regs[CRTC_MAX_MODEL+1][CRTC_MAX_REG+1]=
  /* 07 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0xbf,0x1f,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x83,0x85,0x5d,0x28,0x0f,0x63,0xba,0xe3,0xff,
  /* 08 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0x0b,0x3e,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0xea,0x8c,0xdf,0x28,0x00,0xe7,0x04,0xe3,0xff,
  /* 09 */ 0x5f,0x4f,0x50,0x82,0x54,0x80,0xbf,0x1f,0x00,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x8e,0x8f,0x28,0x40,0x96,0xb9,0xa3,0xff,
- /* 0A */ 0x7f,0x63,0x63,0x83,0x6b,0x1b,0x72,0xf0,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x59,0x0d,0x57,0x32,0x00,0x57,0x73,0xe3,0xff
+ /* 0A */ 0x7f,0x63,0x63,0x83,0x6b,0x1b,0x72,0xf0,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x59,0x8d,0x57,0x32,0x00,0x57,0x73,0xe3,0xff
 };
 
 /* Attribute Controler 0x3c0 */