diff options
Diffstat (limited to 'src/mame/drivers/vicdual.cpp')
-rw-r--r-- | src/mame/drivers/vicdual.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mame/drivers/vicdual.cpp b/src/mame/drivers/vicdual.cpp index 913234b863c..9f0b944b5dc 100644 --- a/src/mame/drivers/vicdual.cpp +++ b/src/mame/drivers/vicdual.cpp @@ -1145,8 +1145,9 @@ WRITE8_MEMBER(vicdual_state::headonn_io_w) { // 7654---- unused? // ----32-- always 1 - // ------1- 1 written after reset, then always 0 - // -------0 always 0 + // ------10 palette bank (bit 0 inverted) + + palette_bank_w(space, 0, (data & 3) ^ 1); } if (offset & 0x08) assert_coin_status(); } |