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author hap <happppp@users.noreply.github.com>2015-12-21 01:07:09 +0100
committer hap <happppp@users.noreply.github.com>2015-12-21 01:07:09 +0100
commit66fbbc0f9d2e9292228c8a3925a012872c257c34 (patch)
tree0c712658f0cada61a1845d17204cce149b69c28d /src/devices/cpu/tms0980
parent70d77a389c63260833d11240c65ee5604c4d49f4 (diff)
use tms0270 pla for tms1980
Diffstat (limited to 'src/devices/cpu/tms0980')
-rw-r--r--src/devices/cpu/tms0980/tms0980.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/cpu/tms0980/tms0980.cpp b/src/devices/cpu/tms0980/tms0980.cpp
index b5071e3f43f..d0425906525 100644
--- a/src/devices/cpu/tms0980/tms0980.cpp
+++ b/src/devices/cpu/tms0980/tms0980.cpp
@@ -174,7 +174,6 @@ const device_type TMS0980 = &device_creator<tms0980_cpu_device>; // 28-pin DIP,
// - one of the microinstructions redirects to a RSTR instruction, like on TMS0270
// - 32-term output PLA above the RAM, 7 bits! (rotate opla 270 degrees)
const device_type TMS1980 = &device_creator<tms1980_cpu_device>; // 28-pin DIP, 7 O pins, 10 R pins, high voltage
-// TMS0260 is same?
// TMS0970 is a stripped-down version of the TMS0980, itself acting more like a TMS1000
// - RAM and ROM is exactly the same as TMS1000
@@ -191,6 +190,7 @@ const device_type TMS1990 = &device_creator<tms1990_cpu_device>; // 28-pin DIP,
// - 48-term output PLA above the RAM (rotate opla 90 degrees)
const device_type TMS0270 = &device_creator<tms0270_cpu_device>; // 40-pin DIP, 16 O pins, 8+ R pins (some R pins are internally hooked up to support more I/O)
// newer TMS0270 chips (eg. Speak & Math) have 42 pins
+// TMS0260 is same or similar?
// internal memory maps
@@ -402,7 +402,7 @@ static MACHINE_CONFIG_FRAGMENT(tms1980)
// main opcodes PLA, microinstructions PLA, output PLA
MCFG_PLA_ADD("ipla", 9, 22, 24)
MCFG_PLA_FILEFORMAT(PLA_FMT_BERKELEY)
- MCFG_PLA_ADD("mpla", 6, 21, 64)
+ MCFG_PLA_ADD("mpla", 6, 22, 64)
MCFG_PLA_FILEFORMAT(PLA_FMT_BERKELEY)
MCFG_PLA_ADD("opla", 5, 7, 32)
MCFG_PLA_FILEFORMAT(PLA_FMT_BERKELEY)