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-rw-r--r--src/mame/video/k054156_k054157_k056832.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/video/k054156_k054157_k056832.cpp b/src/mame/video/k054156_k054157_k056832.cpp
index 56de8474fbc..7c642990fff 100644
--- a/src/mame/video/k054156_k054157_k056832.cpp
+++ b/src/mame/video/k054156_k054157_k056832.cpp
@@ -1063,7 +1063,8 @@ WRITE16_MEMBER( k056832_device::word_w )
{
switch(offset)
{
- /* -xxx ---- ---- gfx bpp select: n + 4 (1 << n), settings above 4 are undefined (probably still 8bpp)
+ /* -x-- ---- ---- hardcodes 8bpp when enabled (ignores next field)
+ * --xx ---- ---- gfx bpp select: n + 4 (1 << n), i.e. from 7bpp to 4bpp
* ---- -x-- ---- dotclock select: 0=8Mhz, 1=6Mhz (not used by GX)
* ---- --x- ---- screen flip y
* ---- ---x ---- screen flip x