Revision 42fc925e hw/vga.c

b/hw/vga.c
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            }
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            break;
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        case VBE_DISPI_INDEX_BANK:
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            val &= s->vbe_bank_mask;
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            if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) {
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              val &= (s->vbe_bank_mask >> 2);
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            } else {
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              val &= s->vbe_bank_mask;
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            }
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            s->vbe_regs[s->vbe_index] = val;
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            s->bank_offset = (val << 16);
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            break;

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