diff options
Diffstat (limited to 'src/devices/cpu/tms1000/tms0980.cpp')
-rw-r--r-- | src/devices/cpu/tms1000/tms0980.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/cpu/tms1000/tms0980.cpp b/src/devices/cpu/tms1000/tms0980.cpp index 028f1c36428..4b8f9f06bf5 100644 --- a/src/devices/cpu/tms1000/tms0980.cpp +++ b/src/devices/cpu/tms1000/tms0980.cpp @@ -25,7 +25,7 @@ DEFINE_DEVICE_TYPE(TMS0980, tms0980_cpu_device, "tms0980", "Texas Instruments TM // TMS1980 is a TMS0980 with a TMS1x00 style opla // - RAM, ROM, and main instructions PLAs is the same as TMS0980 // - one of the microinstructions redirects to a RSTR instruction, like on TMS0270 -// - 32-term inverted output PLA above the RAM, 7 bits! (rotate opla 270 degrees) +// - 32-term output PLA above the RAM, 7 bits! (rotate opla 270 degrees) DEFINE_DEVICE_TYPE(TMS1980, tms1980_cpu_device, "tms1980", "Texas Instruments TMS1980") // 28-pin DIP, 7 O pins, 10 R pins, high voltage @@ -185,7 +185,7 @@ void tms0980_cpu_device::read_opcode() // i/o handling u8 tms0980_cpu_device::read_k_input() { - u8 k = m_read_k(0, 0xff) & 0x1f; + u8 k = m_read_k() & 0x1f; u8 k3 = (k & 0x10) ? 3: 0; // the K3 line is simply K1|K2 return (k & 0xf) | k3; } |