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pps41: add skeleton MM76-derived devices

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This commit is contained in:
hap 2021-03-04 13:09:58 +01:00
parent 2d692d7570
commit d65c5159f1
12 changed files with 231 additions and 23 deletions
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4
scripts/src/cpu.lua
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@ -2878,6 +2878,7 @@ end
--------------------------------------------------
-- Rockwell PPS-4/1
--@src/devices/cpu/pps41/mm75.h,CPUS["PPS41"] = true
--@src/devices/cpu/pps41/mm76.h,CPUS["PPS41"] = true
--------------------------------------------------
@ -2885,6 +2886,9 @@ if CPUS["PPS41"] then
files {
MAME_DIR .. "src/devices/cpu/pps41/pps41base.cpp",
MAME_DIR .. "src/devices/cpu/pps41/pps41base.h",
MAME_DIR .. "src/devices/cpu/pps41/mm75.cpp",
MAME_DIR .. "src/devices/cpu/pps41/mm75.h",
MAME_DIR .. "src/devices/cpu/pps41/mm75op.cpp",
MAME_DIR .. "src/devices/cpu/pps41/mm76.cpp",
MAME_DIR .. "src/devices/cpu/pps41/mm76.h",
MAME_DIR .. "src/devices/cpu/pps41/mm76op.cpp",

12
src/devices/cpu/cops1/mm5799.cpp
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@ -15,6 +15,12 @@
DEFINE_DEVICE_TYPE(MM5799, mm5799_device, "mm5799", "National Semiconductor MM5799")
// constructor
mm5799_device::mm5799_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
cops1_base_device(mconfig, MM5799, tag, owner, clock, 11, address_map_constructor(FUNC(mm5799_device::program_map), this), 7, address_map_constructor(FUNC(mm5799_device::data_map), this))
{ }
// internal memory maps
void mm5799_device::program_map(address_map &map)
{
@ -41,12 +47,6 @@ void mm5799_device::data_map(address_map &map)
}
// device definitions
mm5799_device::mm5799_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
cops1_base_device(mconfig, MM5799, tag, owner, clock, 11, address_map_constructor(FUNC(mm5799_device::program_map), this), 7, address_map_constructor(FUNC(mm5799_device::data_map), this))
{ }
// disasm
std::unique_ptr<util::disasm_interface> mm5799_device::create_disassembler()
{

27
src/devices/cpu/pps41/mm75.cpp Normal file
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@ -0,0 +1,27 @@
// license:BSD-3-Clause
// copyright-holders:hap
/*
Rockwell MM75 MCU
*/
#include "emu.h"
#include "mm75.h"
DEFINE_DEVICE_TYPE(MM75, mm75_device, "mm75", "Rockwell MM75")
// constructor
mm75_device::mm75_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mm76_device(mconfig, MM75, tag, owner, clock, 10, address_map_constructor(FUNC(mm75_device::program_0_6k), this), 6, address_map_constructor(FUNC(mm75_device::data_48x4), this))
{ }
// initialize
void mm75_device::device_start()
{
mm76_device::device_start();
m_d_pins--;
}

52
src/devices/cpu/pps41/mm75.h Normal file
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@ -0,0 +1,52 @@
// license:BSD-3-Clause
// copyright-holders:hap
/*
Rockwell MM75 MCU
*/
#ifndef MAME_CPU_PPS41_MM75_H
#define MAME_CPU_PPS41_MM75_H
#pragma once
#include "mm76.h"
// pinout reference
/*
____ ____
RIO8 1 |* \_/ | 28 RIO7
RIO1 2 | | 27 RIO6
RIO2 3 | | 26 RIO5
RIO3 4 | | 25 INT0
RIO4 5 | | 24 PO
DIO0 6 | | 23 PI4
DIO1 7 | MM75 | 22 PI3
DIO2 8 | | 21 PI2
DIO3 9 | | 20 PI1
DIO4 10 | | 19 TEST
DIO5 11 | | 18 Vdd
DIO6 12 | | 17 VC
DIO7 13 | | 16 A
Vss 14 |___________| 15 DIO8
*/
class mm75_device : public mm76_device
{
public:
mm75_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
virtual void device_start() override;
// opcode handlers
virtual void op_ios() override;
};
DECLARE_DEVICE_TYPE(MM75, mm75_device)
#endif // MAME_CPU_PPS41_MM75_H

16
src/devices/cpu/pps41/mm75op.cpp Normal file
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@ -0,0 +1,16 @@
// license:BSD-3-Clause
// copyright-holders:hap
// MM75 opcode handlers
#include "emu.h"
#include "mm75.h"
// opcodes (differences with mm76_device)
void mm75_device::op_ios()
{
// IOS: does not have serial I/O
op_illegal();
}

45
src/devices/cpu/pps41/mm76.cpp
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@ -13,28 +13,56 @@
DEFINE_DEVICE_TYPE(MM76, mm76_device, "mm76", "Rockwell MM76")
DEFINE_DEVICE_TYPE(MM76L, mm76l_device, "mm76l", "Rockwell MM76L")
DEFINE_DEVICE_TYPE(MM76E, mm76e_device, "mm76e", "Rockwell MM76E")
DEFINE_DEVICE_TYPE(MM76EL, mm76el_device, "mm76el", "Rockwell MM76EL")
// constructor
mm76_device::mm76_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mm76_device(mconfig, MM76, tag, owner, clock, 10, address_map_constructor(FUNC(mm76_device::program_0_6k), this), 6, address_map_constructor(FUNC(mm76_device::data_48x4), this))
{ }
mm76_device::mm76_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data) :
pps41_base_device(mconfig, type, tag, owner, clock, prgwidth, program, datawidth, data)
{ }
mm76l_device::mm76l_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mm76_device(mconfig, MM76L, tag, owner, clock, 10, address_map_constructor(FUNC(mm76l_device::program_0_6k), this), 6, address_map_constructor(FUNC(mm76l_device::data_48x4), this))
{ }
mm76e_device::mm76e_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mm76e_device(mconfig, MM76E, tag, owner, clock, 10, address_map_constructor(FUNC(mm76e_device::program_1k), this), 6, address_map_constructor(FUNC(mm76e_device::data_48x4), this))
{ }
mm76e_device::mm76e_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data) :
mm76_device(mconfig, type, tag, owner, clock, prgwidth, program, datawidth, data)
{ }
mm76el_device::mm76el_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mm76e_device(mconfig, MM76EL, tag, owner, clock, 10, address_map_constructor(FUNC(mm76el_device::program_1k), this), 6, address_map_constructor(FUNC(mm76el_device::data_48x4), this))
{ }
// internal memory maps
void mm76_device::program_map(address_map &map)
void mm76_device::program_0_6k(address_map &map)
{
map(0x000, 0x17f).mirror(0x200).rom();
map(0x180, 0x1ff).rom();
map(0x380, 0x3ff).rom();
}
void mm76_device::data_map(address_map &map)
void mm76e_device::program_1k(address_map &map)
{
map(0x000, 0x3ff).rom();
}
void mm76_device::data_48x4(address_map &map)
{
map(0x00, 0x2f).ram();
}
// device definitions
mm76_device::mm76_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
pps41_base_device(mconfig, MM76, tag, owner, clock, 10, address_map_constructor(FUNC(mm76_device::program_map), this), 6, address_map_constructor(FUNC(mm76_device::data_map), this))
{ }
// machine config
void mm76_device::device_add_mconfig(machine_config &config)
{
@ -54,6 +82,7 @@ void mm76_device::device_start()
{
pps41_base_device::device_start();
m_stack_levels = 1;
m_d_pins = 10;
}
void mm76_device::device_reset()

56
src/devices/cpu/pps41/mm76.h
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@ -16,7 +16,28 @@
// pinout reference
/*
...
____ ____ ____ ____
A 1 |* \_/ | 42 BP BP 1 |* \_/ | 40 A
EXCLK 2 | | 41 DIO9 VC 2 | | 39 DIO9
CLKIN 3 | | 40 DIO8 XTLIN 3 | | 38 DIO8
VC 4 | | 39 N/C XTLOUT 4 | | 37 DIO7
Vdd 5 | | 38 DIO7 Vdd 5 | | 36 DIO6
Vss 6 | | 37 DIO6 PI2 6 | | 35 DIO5
TEST 7 | | 36 DIO5 TEST 7 | | 34 DIO4
PI2 8 | | 35 DIO4 PI6 8 | | 33 DIO3
PI6 9 | | 34 DIO3 PI1 9 | | 32 DIO2
PI1 10 | MM76 | 33 DIO2 PI5 10 | MM76L | 31 DIO1
PI5 11 | MM76E | 32 DIO1 PI7 11 | MM76EL | 30 DIO0
PI7 12 | | 31 DIO0 PI3 12 | | 29 CLOCK
PI3 13 | | 30 CLOCK PI8 13 | | 28 DATAO
PI8 14 | | 29 DATAO PI4 14 | | 27 DATAI
PI4 15 | | 28 DATAI PO 15 | | 26 RIO4
Vdd 16 | | 27 RIO4 INT0 16 | | 25 RIO3
PO 17 | | 26 RIO3 INT1 17 | | 24 RIO2
INT0 18 | | 25 RIO2 RIO5 18 | | 23 RIO1
INT1 19 | | 24 RIO1 RIO6 19 | | 22 RIO8
RIO5 20 | | 23 RIO8 Vss 20 |___________| 21 RIO7
RIO6 21 |___________| 22 RIO7
*/
@ -26,6 +47,8 @@ public:
mm76_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
mm76_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
@ -37,8 +60,8 @@ protected:
// device_execute_interface overrides
virtual void execute_one() override;
void data_map(address_map &map);
void program_map(address_map &map);
void data_48x4(address_map &map);
void program_0_6k(address_map &map);
// opcode helpers
u8 ram_r();
@ -51,9 +74,36 @@ protected:
// opcode handlers
void op_nop();
virtual void op_ios();
};
class mm76l_device : public mm76_device
{
public:
mm76l_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
};
class mm76e_device : public mm76_device
{
public:
mm76e_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
mm76e_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data);
void program_1k(address_map &map);
};
class mm76el_device : public mm76e_device
{
public:
mm76el_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
};
DECLARE_DEVICE_TYPE(MM76, mm76_device)
DECLARE_DEVICE_TYPE(MM76L, mm76l_device)
DECLARE_DEVICE_TYPE(MM76E, mm76e_device)
DECLARE_DEVICE_TYPE(MM76EL, mm76el_device)
#endif // MAME_CPU_PPS41_MM76_H

4
src/devices/cpu/pps41/mm76op.cpp
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@ -44,3 +44,7 @@ void mm76_device::op_illegal()
void mm76_device::op_nop()
{
}
void mm76_device::op_ios()
{
}

6
src/devices/cpu/pps41/pps41base.cpp
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@ -12,8 +12,8 @@ Part numbers:
- A76xx = MM76 - 42 pin spider
- A77xx = MM77 - 42 pin spider
- A78xx = MM78 - 42 pin spider
- A79xx = MM76C - 52 pin spider
- A86xx = MM76E - 42 pin spider
- A79xx = MM76C - 52 pin spider - counter
- A86xx = MM76E - 42 pin spider - extended ROM
- B76xx = MM76L - 40 pin dip
- B77xx = MM77L - 40 pin dip
- B78xx = MM78L - 40 pin dip
@ -21,7 +21,7 @@ Part numbers:
- B90xx = MM78LA - 42 pin spider
"spider" = 2 rows of pins on each side, just like standard PPS-4 CPUs.
"L" only difference is low-power
"L" main difference is low-power
References:
- Series MM76 Product Description

1
src/devices/cpu/pps41/pps41base.h
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@ -69,6 +69,7 @@ protected:
u8 m_prev2_op;
int m_stack_levels;
u16 m_stack[2]; // max 2
int m_d_pins;
u8 m_a;
u8 m_b;

7
src/mame/drivers/hh_pps41.cpp
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@ -12,13 +12,14 @@
#include "emu.h"
#include "cpu/pps41/mm75.h"
#include "cpu/pps41/mm76.h"
#include "video/pwm.h"
#include "sound/spkrdev.h"
#include "speaker.h"
// internal artwork
//#include "mastmind.lh"
#include "mastmind.lh"
//#include "hh_pps41_test.lh" // common test-layout - use external artwork
@ -127,12 +128,12 @@ INPUT_PORTS_END
void mastmind_state::mastmind(machine_config &config)
{
/* basic machine hardware */
MM76(config, m_maincpu, 100000); // approximation
MM75(config, m_maincpu, 100000); // approximation
/* video hardware */
PWM_DISPLAY(config, m_display).set_size(4, 8);
m_display->set_segmask(3, 0xff);
//config.set_default_layout(layout_mastmind);
config.set_default_layout(layout_mastmind);
/* no sound! */
}

24
src/mame/layout/mastmind.lay Normal file
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@ -0,0 +1,24 @@
<?xml version="1.0"?>
<!--
license:CC0
-->
<mamelayout version="2">
<element name="digit" defstate="0">
<led7seg><color red="0.2" green="1.0" blue="0.85" /></led7seg>
</element>
<view name="Internal Layout">
<bounds left="0" right="90" top="0" bottom="15" />
<element name="digit7" ref="digit"><bounds x="0" y="0" width="10" height="15" /></element> <!-- N/C on mastmind -->
<element name="digit0" ref="digit"><bounds x="10" y="0" width="10" height="15" /></element>
<element name="digit1" ref="digit"><bounds x="20" y="0" width="10" height="15" /></element>
<element name="digit2" ref="digit"><bounds x="30" y="0" width="10" height="15" /></element>
<element name="digit3" ref="digit"><bounds x="40" y="0" width="10" height="15" /></element>
<element name="digit4" ref="digit"><bounds x="50" y="0" width="10" height="15" /></element>
<element ref="digit"><bounds x="60" y="0" width="10" height="15" /></element> <!-- N/C -->
<element name="digit5" ref="digit"><bounds x="70" y="0" width="10" height="15" /></element>
<element name="digit6" ref="digit"><bounds x="80" y="0" width="10" height="15" /></element>
</view>
</mamelayout>