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-rw-r--r--src/mame/video/lasso.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mame/video/lasso.cpp b/src/mame/video/lasso.cpp
index fab43088227..7da774e6e20 100644
--- a/src/mame/video/lasso.cpp
+++ b/src/mame/video/lasso.cpp
@@ -92,9 +92,10 @@ PALETTE_INIT_MEMBER(lasso_state,wwjgtin)
for (i = 0x40; i < 0x140; i++)
{
uint8_t ctabentry;
-
- if ((i - 0x40) & 0x03)
- ctabentry = ((((i - 0x40) & 0xf0) >> 2) + ((i - 0x40) & 0x0f)) & 0x3f;
+ int raw_pen = i - 0x40;
+
+ if (raw_pen & 0x03)
+ ctabentry = (((raw_pen & 0xf0) >> 2) + (raw_pen & 0x03)) & 0x3f;
else
ctabentry = 0;