diff options
Diffstat (limited to 'src/devices/cpu/rii/riscii.cpp')
-rw-r--r-- | src/devices/cpu/rii/riscii.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/cpu/rii/riscii.cpp b/src/devices/cpu/rii/riscii.cpp index f8d1b2a914b..7e05eb18055 100644 --- a/src/devices/cpu/rii/riscii.cpp +++ b/src/devices/cpu/rii/riscii.cpp @@ -1504,7 +1504,7 @@ void riscii_series_device::execute_inc(u8 reg, bool a) void riscii_series_device::execute_dec(u8 reg, bool a) { u16 addr = get_banked_address(reg); - u16 tmp = (u16(m_regs->read_byte(addr)) + 0xff) & 0x1ff; + u16 tmp = u16(m_regs->read_byte(addr)) + 0xff; if (a) acc_w(tmp & 0xff); else |