diff options
-rw-r--r-- | src/ahoy/emulator.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ahoy/emulator.c b/src/ahoy/emulator.c index 34e31ad..100d70c 100644 --- a/src/ahoy/emulator.c +++ b/src/ahoy/emulator.c @@ -241,7 +241,7 @@ opexec(uint16_t op) if (scr_row >= lengthof(screen)) break; - msk = ((uint64_t)spr_row << (64 - 8)) >> V[x]; + msk = ((uint64_t)spr_row << (UINT64_WIDTH - 8)) >> V[x]; V[0xF] = screen[scr_row] & msk; screen[scr_row] ^= msk; } |