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Save lookup values for greater speed.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@174
This commit is contained in:
Sjoerd van der Berg 2002-08-19 12:54:38 +00:00
parent 5b8fdf2b3e
commit b9abeff3be
1 changed files with 7 additions and 10 deletions
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17
src/hardware/vga_gfx.cpp
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@ -36,7 +36,9 @@ void write_p3cf(Bit32u port,Bit8u val) {
switch (gfx(index)) {
case 0: /* Set/Reset Register */
gfx(set_reset)=val & 0x0f;
vga.config.set_reset=val & 0x0f;
vga.config.full_set_reset=FillTable[val & 0x0f];
vga.config.full_enable_and_set_reset=vga.config.full_set_reset &
vga.config.full_enable_set_reset;
/*
0 If in Write Mode 0 and bit 0 of 3CEh index 1 is set a write to
display memory will set all the bits in plane 0 of the byte to this
@ -50,15 +52,10 @@ void write_p3cf(Bit32u port,Bit8u val) {
break;
case 1: /* Enable Set/Reset Register */
gfx(enable_set_reset)=val & 0x0f;
vga.config.enable_set_reset=val & 0x0f;
/*
0 If set enables Set/reset of plane 0 in Write Mode 0.
1 Same for plane 1.
2 Same for plane 2.
3 Same for plane 3.
*/
// LOG_DEBUG("Enable Set Reset = %2X",val);
break;
vga.config.full_enable_set_reset=FillTable[val & 0x0f];
vga.config.full_not_enable_set_reset=~vga.config.full_enable_set_reset;
vga.config.full_enable_and_set_reset=vga.config.full_set_reset &
vga.config.full_enable_set_reset;
case 2: /* Color Compare Register */
gfx(color_compare)=val & 0x0f;
/*