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Diffstat (limited to 'src/devices/cpu/tms1000/tms1000.cpp')
-rw-r--r--src/devices/cpu/tms1000/tms1000.cpp16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/devices/cpu/tms1000/tms1000.cpp b/src/devices/cpu/tms1000/tms1000.cpp
index 5aa2ecf8272..813f1da99f8 100644
--- a/src/devices/cpu/tms1000/tms1000.cpp
+++ b/src/devices/cpu/tms1000/tms1000.cpp
@@ -2,12 +2,13 @@
// copyright-holders:hap
/*
- TMS1000 family - TMS1000, TMS1070, TMS1040, TMS1200, TMS1700, TMS1730,
+ TMS1000 family - TMS1000, TMS1000C, TMS1070, TMS1040, TMS1200, TMS1700, TMS1730,
and second source Motorola MC141000, MC141200.
TODO:
- add TMS1270 (10 O pins, how does that work?)
- - add TMS1000C, TMS1200C (CMOS, and 3-level stack)
+ - add TMS1200C (has L input pins like TMS1600)
+ - add HALT input pin for TMS1000C
*/
@@ -32,6 +33,10 @@ DEFINE_DEVICE_TYPE(TMS1200, tms1200_cpu_device, "tms1200", "TMS1200") // 40-p
DEFINE_DEVICE_TYPE(TMS1700, tms1700_cpu_device, "tms1700", "TMS1700") // 28-pin DIP, RAM/ROM size halved, 9 R pins
DEFINE_DEVICE_TYPE(TMS1730, tms1730_cpu_device, "tms1730", "TMS1730") // 20-pin DIP, same die as TMS1700, package has less pins: 6 R pins, 5 O pins (output PLA is still 8-bit, O1,O3,O5 unused)
+// CMOS versions (3-level stack, HALT pin)
+DEFINE_DEVICE_TYPE(TMS1000C, tms1000c_cpu_device, "tms1000c", "TMS1000C") // 28-pin SDIP, 10 R pins
+
+// 2nd source Motorola chips
DEFINE_DEVICE_TYPE(MC141000, mc141000_cpu_device, "mc141000", "MC141000") // CMOS, pin-compatible with TMS1000(reverse polarity)
DEFINE_DEVICE_TYPE(MC141200, mc141200_cpu_device, "mc141200", "MC141200") // CMOS, 40-pin DIP, 16 R pins
@@ -91,6 +96,11 @@ tms1730_cpu_device::tms1730_cpu_device(const machine_config &mconfig, const char
{
}
+tms1000c_cpu_device::tms1000c_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : tms1000_cpu_device(mconfig, TMS1000C, tag, owner, clock, 8, 10, 6, 8, 2, 10, ADDRESS_MAP_NAME(program_10bit_8), 6, ADDRESS_MAP_NAME(data_64x4))
+{
+}
+
mc141000_cpu_device::mc141000_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: tms1000_cpu_device(mconfig, MC141000, tag, owner, clock, 8, 11, 6, 8, 2, 10, ADDRESS_MAP_NAME(program_10bit_8), 6, ADDRESS_MAP_NAME(data_64x4))
{
@@ -103,7 +113,7 @@ mc141200_cpu_device::mc141200_cpu_device(const machine_config &mconfig, const ch
// machine configs
- MACHINE_CONFIG_MEMBER(tms1000_cpu_device::device_add_mconfig)
+MACHINE_CONFIG_MEMBER(tms1000_cpu_device::device_add_mconfig)
// microinstructions PLA, output PLA
MCFG_PLA_ADD("mpla", 8, 16, 30)