VBE: 8 bit DACs + support for VBE BIOS IDs (Volker Ruppert)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2163 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/vga.c b/hw/vga.c
index 4ecb7a9..0609f84 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -422,7 +422,9 @@
case VBE_DISPI_INDEX_ID:
if (val == VBE_DISPI_ID0 ||
val == VBE_DISPI_ID1 ||
- val == VBE_DISPI_ID2) {
+ val == VBE_DISPI_ID2 ||
+ val == VBE_DISPI_ID3 ||
+ val == VBE_DISPI_ID4) {
s->vbe_regs[s->vbe_index] = val;
}
break;
@@ -505,6 +507,7 @@
/* XXX: the bios should do that */
s->bank_offset = 0;
}
+ s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
s->vbe_regs[s->vbe_index] = val;
break;
case VBE_DISPI_INDEX_VIRT_WIDTH:
@@ -921,9 +924,15 @@
palette = s->last_palette;
v = 0;
for(i = 0; i < 256; i++) {
- col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
- c6_to_8(s->palette[v + 1]),
- c6_to_8(s->palette[v + 2]));
+ if (s->dac_8bit) {
+ col = s->rgb_to_pixel(s->palette[v],
+ s->palette[v + 1],
+ s->palette[v + 2]);
+ } else {
+ col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
+ c6_to_8(s->palette[v + 1]),
+ c6_to_8(s->palette[v + 2]));
+ }
if (col != palette[i]) {
full_update = 1;
palette[i] = col;