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Moved VGA port access check at the beginning in order to improve 

performance a little bit.
This commit is contained in:
Andreas Mohr 1999-02-14 11:21:05 +00:00 committed by Alexandre Julliard
parent cddfcce5f3
commit e82d2f9f5f
1 changed files with 8 additions and 8 deletions
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16
msdos/ioports.c
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@ -272,6 +272,10 @@ DWORD IO_inport( int port, int size )
switch (port)
{
case 0x3ba:
case 0x3da:
res = (DWORD)VGA_ioport_in( port );
break;
case 0x40:
case 0x41:
case 0x42:
@ -335,10 +339,6 @@ DWORD IO_inport( int port, int size )
case 0x201:
res = 0xffffffff; /* no joystick */
break;
case 0x3ba:
case 0x3da:
res = (DWORD)VGA_ioport_in( port );
break;
default:
WARN( int, "Direct I/O read attempted from port %x\n", port);
res = 0xffffffff;
@ -378,6 +378,10 @@ void IO_outport( int port, int size, DWORD value )
switch (port)
{
case 0x3c8:
case 0x3c9:
VGA_ioport_out( port, (BYTE)value );
break;
case 0x40:
case 0x41:
case 0x42:
@ -459,10 +463,6 @@ void IO_outport( int port, int size, DWORD value )
case 0x71:
cmosimage[cmosaddress & 0x3f] = (BYTE)value;
break;
case 0x3c8:
case 0x3c9:
VGA_ioport_out( port, (BYTE)value );
break;
default:
WARN(int, "Direct I/O write attempted to port %x\n", port );
break;