CRTC register write protection fix

[qemu] / hw / cirrus_vga.c

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 9d80515..7c34c57 100644 (file)
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2689,7 +2689,7 @@ static void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
        printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
 #endif
        /* handle CR0-7 protection */
-       if ((s->cr[11] & 0x80) && s->cr_index <= 7) {
+       if ((s->cr[0x11] & 0x80) && s->cr_index <= 7) {
            /* can always write bit 4 of CR7 */
            if (s->cr_index == 7)
                s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10);