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authorGravatarGravatar cam900 <dbtlrchl@naver.com>2020-05-21 18:14:56 +0900
committerGravatarGravatar cam900 <dbtlrchl@naver.com>2020-05-21 18:14:56 +0900
commitf2b1c6d3d9f296530d386035ffa25a32001c7276 (patch) (github)
tree17ffb13d1e7d2a5bdac93aa755388133cd8e985f
parent941e06150bef625cb8bf1d58139563bb5c828b2d (diff)
downloadmame-f2b1c6d3d9f296530d386035ffa25a32001c7276.tar.bz2
mame-f2b1c6d3d9f296530d386035ffa25a32001c7276.zip
cpu/tms32031/*: Add/Correct notes for Internal peripherals and Chip family differences
Fix chip name (no NMOS variant exists) and some descriptions Fix Microcomputer mode when 320C30 internal ROM is empty reference: TMS320C3x User's Manual
-rw-r--r--src/devices/cpu/tms32031/32031ops.hxx4
-rw-r--r--src/devices/cpu/tms32031/dis32031.cpp4
-rw-r--r--src/devices/cpu/tms32031/dis32031.h4
-rw-r--r--src/devices/cpu/tms32031/tms32031.cpp135
-rw-r--r--src/devices/cpu/tms32031/tms32031.h4
5 files changed, 131 insertions, 20 deletions
diff --git a/src/devices/cpu/tms32031/32031ops.hxx b/src/devices/cpu/tms32031/32031ops.hxx
index c97512b52b3..da59340b7d9 100644
--- a/src/devices/cpu/tms32031/32031ops.hxx
+++ b/src/devices/cpu/tms32031/32031ops.hxx
@@ -2,9 +2,9 @@
// copyright-holders:Aaron Giles
/***************************************************************************
- 32031ops.cpp
+ 32031ops.hxx
- TMS32031/2 emulator
+ TMS320C3x family 32-bit floating point DSP emulator
***************************************************************************/
diff --git a/src/devices/cpu/tms32031/dis32031.cpp b/src/devices/cpu/tms32031/dis32031.cpp
index 6bb468e164a..9967e6b8829 100644
--- a/src/devices/cpu/tms32031/dis32031.cpp
+++ b/src/devices/cpu/tms32031/dis32031.cpp
@@ -2,8 +2,8 @@
// copyright-holders:Aaron Giles
/***************************************************************************
- dis32031.c
- Disassembler for the portable TMS32C031 emulator.
+ dis32031.cpp
+ Disassembler for the portable TMS320C3x emulator.
Written by Aaron Giles
***************************************************************************/
diff --git a/src/devices/cpu/tms32031/dis32031.h b/src/devices/cpu/tms32031/dis32031.h
index b6e03e4f31a..b82a68e0a75 100644
--- a/src/devices/cpu/tms32031/dis32031.h
+++ b/src/devices/cpu/tms32031/dis32031.h
@@ -2,8 +2,8 @@
// copyright-holders:Aaron Giles
/***************************************************************************
- dis32031.c
- Disassembler for the portable TMS32C031 emulator.
+ dis32031.h
+ Disassembler for the portable TMS320C3x emulator.
Written by Aaron Giles
***************************************************************************/
diff --git a/src/devices/cpu/tms32031/tms32031.cpp b/src/devices/cpu/tms32031/tms32031.cpp
index 17fde313178..d7ace7fdb08 100644
--- a/src/devices/cpu/tms32031/tms32031.cpp
+++ b/src/devices/cpu/tms32031/tms32031.cpp
@@ -2,9 +2,66 @@
// copyright-holders:Aaron Giles
/***************************************************************************
- tms32031.c
-
- TMS32031/2 emulator
+ tms32031.cpp
+
+ TMS320C3x family 32-bit floating point DSP emulator
+
+ TMS320C30/1/2 difference table:
+
+ |-------------------|-------------------|-------------------|-------------------|
+ | Feature | 'C30 | 'C31 | 'C32 |
+ |-------------------|-------------------|-------------------|-------------------|
+ | External Bus | Two buses: | One bus: | One bus: |
+ | | Primary bus: | 32-bit data | 32-bit data |
+ | | 32-bit data | 24-bit address | 24-bit address |
+ | | 24-bit address | STRB active for | STRB active for |
+ | | STRB active for | 000000-7FFFFFh | 000000-7FFFFFh |
+ | | 000000-7FFFFFh | and | and |
+ | | and | 80A000-FFFFFFh | 880000-8FFFFFh |
+ | | 80A000-FFFFFFh | | 8-, 16-, 32-bit |
+ | | Expansion bus: | | data in |
+ | | 32-bit data | | 8-, 16-, 32-bit |
+ | | 13-bit address | | wide memory |
+ | | MSTRB active for | | STRB1 active for |
+ | | 800000-801FFFh | | 900000-FFFFFFh |
+ | | IOSTRB active for | | 8-, 16-, 32-bit |
+ | | 804000-805FFFh | | data in |
+ | | | | 8-, 16-, 32-bit |
+ | | | | wide memory |
+ | | | | IOSTRB active for |
+ | | | | 810000-82FFFFh |
+ |-------------------|-------------------|-------------------|-------------------|
+ | ROM (Words) | 4K | No | No |
+ |-------------------|-------------------|-------------------|-------------------|
+ | Boot Loader | No | Yes | Yes |
+ |-------------------|-------------------|-------------------|-------------------|
+ | On-Chip RAM | 2k | 2k | 512 |
+ | (Words) | Address: | Address: | Address: |
+ | | 809800-809fff | 809800-809fff | 87fe00-87ffff |
+ |-------------------|-------------------|-------------------|-------------------|
+ | DMA | 1 Channel | 1 Channel | 2 Channels |
+ | | CPU greater | CPU greater | Configurable |
+ | | priority then DMA | priority then DMA | priorities |
+ |-------------------|-------------------|-------------------|-------------------|
+ | Serial Ports | 2 | 1 | 1 |
+ |-------------------|-------------------|-------------------|-------------------|
+ | Timers | 2 | 2 | 2 |
+ |-------------------|-------------------|-------------------|-------------------|
+ | Interrupts | Level-Triggered | Level-Triggered | Level-Triggered |
+ | | | | or combination of |
+ | | | | edge- and |
+ | | | | level-triggered |
+ |-------------------|-------------------|-------------------|-------------------|
+ | Interrupt vector | Fixed 0-3Fh | Microprocessor: | Relocatable |
+ | table | | 0-3Fh fixed | |
+ | | | Boot loader: | |
+ | | | 809FC1-809FFF | |
+ | | | fixed | |
+ |-------------------|-------------------|-------------------|-------------------|
+
+ TODO:
+ - merge and implement internal peripheral emulations
+ - implement chip family difference
***************************************************************************/
@@ -88,14 +145,32 @@ const int GIEFLAG = 0x2000;
//**************************************************************************
// device type definition
-DEFINE_DEVICE_TYPE(TMS32030, tms32030_device, "tms32030", "Texas Instruments TMS32030")
-DEFINE_DEVICE_TYPE(TMS32031, tms32031_device, "tms32031", "Texas Instruments TMS32031")
-DEFINE_DEVICE_TYPE(TMS32032, tms32032_device, "tms32032", "Texas Instruments TMS32032")
+DEFINE_DEVICE_TYPE(TMS32030, tms32030_device, "tms32030", "Texas Instruments TMS320C30")
+DEFINE_DEVICE_TYPE(TMS32031, tms32031_device, "tms32031", "Texas Instruments TMS320C31")
+DEFINE_DEVICE_TYPE(TMS32032, tms32032_device, "tms32032", "Texas Instruments TMS320C32")
// memory map common to all 'C30 devices
// TODO: expand to cover all the standard internal peripherals
void tms3203x_device::common_3203x(address_map &map)
{
+ //map(0x808000, 0x808000) DMA (0) Global control
+ //map(0x808004, 0x808004) DMA (0) Source address
+ //map(0x808006, 0x808006) DMA (0) Destination address
+ //map(0x808008, 0x808008) DMA (0) Transfer Counter
+ //map(0x808020, 0x808020) Timer 0 Global Control
+ //map(0x808024, 0x808024) Timer 0 Counter
+ //map(0x808028, 0x808028) Timer 0 Period Register
+ //map(0x808030, 0x808030) Timer 1 Global Control
+ //map(0x808034, 0x808034) Timer 1 Counter
+ //map(0x808038, 0x808038) Timer 1 Period Register
+ //map(0x808040, 0x808040) Serial Port (0) Global Control
+ //map(0x808042, 0x808042) FSX/DX/CLKX Serial Port (0) Control
+ //map(0x808043, 0x808043) FSR/DR/CLKR Serial Port (0) Control
+ //map(0x808044, 0x808044) Serial Port (0) R/X Timer Control
+ //map(0x808045, 0x808045) Serial Port (0) R/X Timer Counter
+ //map(0x808046, 0x808046) Serial Port (0) R/X Timer Period Register
+ //map(0x808048, 0x808048) Serial Port (0) Data-Transmit
+ //map(0x80804c, 0x80804c) Serial Port (0) Data-Receive
map(0x808064, 0x808064).rw(FUNC(tms3203x_device::primary_bus_control_r), FUNC(tms3203x_device::primary_bus_control_w));
}
@@ -104,38 +179,66 @@ void tms32030_device::internal_32030(address_map &map)
{
common_3203x(map);
+ //map(0x000000, 0x7fffff) STRB
+ //map(0x800000, 0x801fff) MSTRB
+ //map(0x804000, 0x805fff) IOSTRB
+ //map(0x808050, 0x808050) Serial Port 1 Global Control
+ //map(0x808052, 0x808052) FSX/DX/CLKX Serial Port 1 Control
+ //map(0x808053, 0x808053) FSR/DR/CLKR Serial Port 1 Control
+ //map(0x808054, 0x808054) Serial Port 1 R/X Timer Control
+ //map(0x808055, 0x808055) Serial Port 1 R/X Timer Counter
+ //map(0x808056, 0x808056) Serial Port 1 R/X Timer Period Register
+ //map(0x808058, 0x808058) Serial Port 1 Data-Transmit
+ //map(0x80805c, 0x80805c) Serial Port 1 Data-Receive
+ //map(0x808060, 0x808060) Expansion-Bus Control
+ //map(0x808064, 0x808064) Primary-Bus Control
map(0x809800, 0x809fff).ram();
+ //map(0x80a000, 0xffffff) STRB
}
void tms32031_device::internal_32031(address_map &map)
{
common_3203x(map);
+ //map(0x000000, 0x7fffff) STRB
+ //map(0x808064, 0x808064) Primary-Bus Control
map(0x809800, 0x809fff).ram();
+ //map(0x80a000, 0xffffff) STRB
}
void tms32032_device::internal_32032(address_map &map)
{
common_3203x(map);
+ //map(0x000000, 0x7fffff) STRB0
+ //map(0x808010, 0x808010) DMA 1 Global control
+ //map(0x808014, 0x808014) DMA 1 Source address
+ //map(0x808016, 0x808016) DMA 1 Destination address
+ //map(0x808018, 0x808018) DMA 1 Transfer Counter
+ //map(0x808060, 0x808060) IOSTRB Bus Control
+ //map(0x808064, 0x808064) STRB0 Bus Control
+ //map(0x808068, 0x808068) STRB1 Bus Control
+ //map(0x810000, 0x82ffff) IOSTRB
map(0x87fe00, 0x87ffff).ram();
+ //map(0x880000, 0x8fffff) STRB0
+ //map(0x900000, 0xffffff) STRB1
}
// ROM definitions for the internal boot loader programs
// (Using assembled versions until the code ROMs are extracted from both DSPs)
ROM_START( tms32030 )
- ROM_REGION(0x4000, "tms32030", 0)
- ROM_LOAD( "c30boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(bddc2763) SHA1(96b2170ecee5bec5abaa1741bb2d3b6096ecc262))
+ ROM_REGION(0x4000, "internal_rom", 0)
+ ROM_LOAD( "c30boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(bddc2763) SHA1(96b2170ecee5bec5abaa1741bb2d3b6096ecc262)) // TODO: programmable?
ROM_END
ROM_START( tms32031 )
- ROM_REGION(0x4000, "tms32031", 0)
+ ROM_REGION(0x4000, "internal_rom", 0)
ROM_LOAD( "c31boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(bddc2763) SHA1(96b2170ecee5bec5abaa1741bb2d3b6096ecc262) ) // Assembled from c31boot.asm (02-07-92)
ROM_END
ROM_START( tms32032 )
- ROM_REGION(0x4000, "tms32032", 0)
+ ROM_REGION(0x4000, "internal_rom", 0)
ROM_LOAD( "c32boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(ecf84729) SHA1(4d32ead450f921f563514b061ea561a222283616) ) // Assembled from c32boot.asm (03-04-96)
ROM_END
@@ -291,6 +394,7 @@ tms3203x_device::tms3203x_device(const machine_config &mconfig, device_type type
m_icount(0),
m_program(nullptr),
m_cache(nullptr),
+ m_internal_rom(*this, "internal_rom"),
m_mcbl_mode(false),
m_xf0_cb(*this),
m_xf1_cb(*this),
@@ -401,7 +505,12 @@ void tms3203x_device::device_start()
// set up the internal boot loader ROM
if (m_mcbl_mode)
- m_program->install_rom(0x000000, 0x000fff, memregion(shortname())->base());
+ {
+ if (m_internal_rom->base() != nullptr)
+ m_program->install_rom(0x000000, 0x000fff, m_internal_rom->base());
+ else
+ m_program->unmap_read(0x000000, 0x000fff);
+ }
// save state
save_item(NAME(m_pc));
@@ -743,8 +852,8 @@ void tms3203x_device::execute_set_input(int inputnum, int state)
m_mcbl_mode = (state == ASSERT_LINE);
if (m_mcbl_mode != old_mode)
{
- if (m_mcbl_mode)
- m_program->install_rom(0x000000, 0x000fff, memregion(shortname())->base());
+ if (m_mcbl_mode && (m_internal_rom->base() != nullptr))
+ m_program->install_rom(0x000000, 0x000fff, m_internal_rom->base());
else
m_program->unmap_read(0x000000, 0x000fff);
}
diff --git a/src/devices/cpu/tms32031/tms32031.h b/src/devices/cpu/tms32031/tms32031.h
index 396f441618c..90ed93c8c89 100644
--- a/src/devices/cpu/tms32031/tms32031.h
+++ b/src/devices/cpu/tms32031/tms32031.h
@@ -4,7 +4,7 @@
tms32031.h
- TMS32031/2 emulator
+ TMS320C3x family 32-bit floating point DSP emulator
***************************************************************************/
@@ -771,6 +771,8 @@ protected:
address_space * m_program;
memory_access_cache<2, -2, ENDIANNESS_LITTLE> *m_cache;
+ optional_memory_region m_internal_rom;
+
bool m_mcbl_mode;
bool m_hold_state;