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Merge pull request #6720 from cam900/tms320c31_internal
cpu/tms32031/*: Add/Correct notes for Internal peripherals and Chip family differences
This commit is contained in:
ajrhacker
GitHub
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714291ff1d
@ -2,9 +2,9 @@
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// copyright-holders:Aaron Giles
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/***************************************************************************
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32031ops.cpp
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32031ops.hxx
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TMS32031/2 emulator
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TMS320C3x family 32-bit floating point DSP emulator
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***************************************************************************/
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@ -2,8 +2,8 @@
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// copyright-holders:Aaron Giles
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/***************************************************************************
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dis32031.c
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Disassembler for the portable TMS32C031 emulator.
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dis32031.cpp
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Disassembler for the portable TMS320C3x emulator.
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Written by Aaron Giles
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***************************************************************************/
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@ -2,8 +2,8 @@
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// copyright-holders:Aaron Giles
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/***************************************************************************
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dis32031.c
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Disassembler for the portable TMS32C031 emulator.
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dis32031.h
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Disassembler for the portable TMS320C3x emulator.
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Written by Aaron Giles
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***************************************************************************/
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@ -2,9 +2,66 @@
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// copyright-holders:Aaron Giles
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/***************************************************************************
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tms32031.c
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tms32031.cpp
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TMS32031/2 emulator
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TMS320C3x family 32-bit floating point DSP emulator
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TMS320C30/1/2 difference table:
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|-------------------|-------------------|-------------------|-------------------|
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| Feature | 'C30 | 'C31 | 'C32 |
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|-------------------|-------------------|-------------------|-------------------|
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| External Bus | Two buses: | One bus: | One bus: |
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| | Primary bus: | 32-bit data | 32-bit data |
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| | 32-bit data | 24-bit address | 24-bit address |
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| | 24-bit address | STRB active for | STRB active for |
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| | STRB active for | 000000-7FFFFFh | 000000-7FFFFFh |
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| | 000000-7FFFFFh | and | and |
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| | and | 80A000-FFFFFFh | 880000-8FFFFFh |
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| | 80A000-FFFFFFh | | 8-, 16-, 32-bit |
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| | Expansion bus: | | data in |
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| | 32-bit data | | 8-, 16-, 32-bit |
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| | 13-bit address | | wide memory |
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| | MSTRB active for | | STRB1 active for |
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| | 800000-801FFFh | | 900000-FFFFFFh |
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| | IOSTRB active for | | 8-, 16-, 32-bit |
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| | 804000-805FFFh | | data in |
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| | | | 8-, 16-, 32-bit |
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| | | | wide memory |
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| | | | IOSTRB active for |
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| | | | 810000-82FFFFh |
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|-------------------|-------------------|-------------------|-------------------|
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| ROM (Words) | 4K | No | No |
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|-------------------|-------------------|-------------------|-------------------|
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| Boot Loader | No | Yes | Yes |
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|-------------------|-------------------|-------------------|-------------------|
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| On-Chip RAM | 2k | 2k | 512 |
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| (Words) | Address: | Address: | Address: |
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| | 809800-809fff | 809800-809fff | 87fe00-87ffff |
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|-------------------|-------------------|-------------------|-------------------|
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| DMA | 1 Channel | 1 Channel | 2 Channels |
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| | CPU greater | CPU greater | Configurable |
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| | priority then DMA | priority then DMA | priorities |
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|-------------------|-------------------|-------------------|-------------------|
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| Serial Ports | 2 | 1 | 1 |
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|-------------------|-------------------|-------------------|-------------------|
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| Timers | 2 | 2 | 2 |
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|-------------------|-------------------|-------------------|-------------------|
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| Interrupts | Level-Triggered | Level-Triggered | Level-Triggered |
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| | | | or combination of |
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| | | | edge- and |
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| | | | level-triggered |
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|-------------------|-------------------|-------------------|-------------------|
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| Interrupt vector | Fixed 0-3Fh | Microprocessor: | Relocatable |
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| table | | 0-3Fh fixed | |
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| | | Boot loader: | |
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| | | 809FC1-809FFF | |
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| | | fixed | |
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|-------------------|-------------------|-------------------|-------------------|
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TODO:
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- merge and implement internal peripheral emulations
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- implement chip family difference
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***************************************************************************/
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@ -88,14 +145,32 @@ const int GIEFLAG = 0x2000;
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//**************************************************************************
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// device type definition
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DEFINE_DEVICE_TYPE(TMS32030, tms32030_device, "tms32030", "Texas Instruments TMS32030")
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DEFINE_DEVICE_TYPE(TMS32031, tms32031_device, "tms32031", "Texas Instruments TMS32031")
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DEFINE_DEVICE_TYPE(TMS32032, tms32032_device, "tms32032", "Texas Instruments TMS32032")
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DEFINE_DEVICE_TYPE(TMS32030, tms32030_device, "tms32030", "Texas Instruments TMS320C30")
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DEFINE_DEVICE_TYPE(TMS32031, tms32031_device, "tms32031", "Texas Instruments TMS320C31")
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DEFINE_DEVICE_TYPE(TMS32032, tms32032_device, "tms32032", "Texas Instruments TMS320C32")
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// memory map common to all 'C30 devices
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// TODO: expand to cover all the standard internal peripherals
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void tms3203x_device::common_3203x(address_map &map)
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{
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//map(0x808000, 0x808000) DMA (0) Global control
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//map(0x808004, 0x808004) DMA (0) Source address
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//map(0x808006, 0x808006) DMA (0) Destination address
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//map(0x808008, 0x808008) DMA (0) Transfer Counter
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//map(0x808020, 0x808020) Timer 0 Global Control
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//map(0x808024, 0x808024) Timer 0 Counter
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//map(0x808028, 0x808028) Timer 0 Period Register
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//map(0x808030, 0x808030) Timer 1 Global Control
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//map(0x808034, 0x808034) Timer 1 Counter
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//map(0x808038, 0x808038) Timer 1 Period Register
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//map(0x808040, 0x808040) Serial Port (0) Global Control
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//map(0x808042, 0x808042) FSX/DX/CLKX Serial Port (0) Control
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//map(0x808043, 0x808043) FSR/DR/CLKR Serial Port (0) Control
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//map(0x808044, 0x808044) Serial Port (0) R/X Timer Control
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//map(0x808045, 0x808045) Serial Port (0) R/X Timer Counter
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//map(0x808046, 0x808046) Serial Port (0) R/X Timer Period Register
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//map(0x808048, 0x808048) Serial Port (0) Data-Transmit
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//map(0x80804c, 0x80804c) Serial Port (0) Data-Receive
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map(0x808064, 0x808064).rw(FUNC(tms3203x_device::primary_bus_control_r), FUNC(tms3203x_device::primary_bus_control_w));
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}
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@ -104,38 +179,66 @@ void tms32030_device::internal_32030(address_map &map)
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{
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common_3203x(map);
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//map(0x000000, 0x7fffff) STRB
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//map(0x800000, 0x801fff) MSTRB
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//map(0x804000, 0x805fff) IOSTRB
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//map(0x808050, 0x808050) Serial Port 1 Global Control
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//map(0x808052, 0x808052) FSX/DX/CLKX Serial Port 1 Control
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//map(0x808053, 0x808053) FSR/DR/CLKR Serial Port 1 Control
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//map(0x808054, 0x808054) Serial Port 1 R/X Timer Control
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//map(0x808055, 0x808055) Serial Port 1 R/X Timer Counter
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//map(0x808056, 0x808056) Serial Port 1 R/X Timer Period Register
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//map(0x808058, 0x808058) Serial Port 1 Data-Transmit
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//map(0x80805c, 0x80805c) Serial Port 1 Data-Receive
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//map(0x808060, 0x808060) Expansion-Bus Control
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//map(0x808064, 0x808064) Primary-Bus Control
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map(0x809800, 0x809fff).ram();
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//map(0x80a000, 0xffffff) STRB
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}
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void tms32031_device::internal_32031(address_map &map)
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{
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common_3203x(map);
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//map(0x000000, 0x7fffff) STRB
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//map(0x808064, 0x808064) Primary-Bus Control
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map(0x809800, 0x809fff).ram();
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//map(0x80a000, 0xffffff) STRB
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}
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void tms32032_device::internal_32032(address_map &map)
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{
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common_3203x(map);
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//map(0x000000, 0x7fffff) STRB0
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//map(0x808010, 0x808010) DMA 1 Global control
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//map(0x808014, 0x808014) DMA 1 Source address
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//map(0x808016, 0x808016) DMA 1 Destination address
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//map(0x808018, 0x808018) DMA 1 Transfer Counter
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//map(0x808060, 0x808060) IOSTRB Bus Control
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//map(0x808064, 0x808064) STRB0 Bus Control
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//map(0x808068, 0x808068) STRB1 Bus Control
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//map(0x810000, 0x82ffff) IOSTRB
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map(0x87fe00, 0x87ffff).ram();
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//map(0x880000, 0x8fffff) STRB0
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//map(0x900000, 0xffffff) STRB1
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}
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// ROM definitions for the internal boot loader programs
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// (Using assembled versions until the code ROMs are extracted from both DSPs)
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ROM_START( tms32030 )
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ROM_REGION(0x4000, "tms32030", 0)
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ROM_LOAD( "c30boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(bddc2763) SHA1(96b2170ecee5bec5abaa1741bb2d3b6096ecc262))
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ROM_REGION(0x4000, "internal_rom", 0)
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ROM_LOAD( "c30boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(bddc2763) SHA1(96b2170ecee5bec5abaa1741bb2d3b6096ecc262)) // TODO: programmable?
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ROM_END
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ROM_START( tms32031 )
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ROM_REGION(0x4000, "tms32031", 0)
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ROM_REGION(0x4000, "internal_rom", 0)
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ROM_LOAD( "c31boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(bddc2763) SHA1(96b2170ecee5bec5abaa1741bb2d3b6096ecc262) ) // Assembled from c31boot.asm (02-07-92)
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ROM_END
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ROM_START( tms32032 )
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ROM_REGION(0x4000, "tms32032", 0)
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ROM_REGION(0x4000, "internal_rom", 0)
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ROM_LOAD( "c32boot.bin", 0x0000, 0x4000, BAD_DUMP CRC(ecf84729) SHA1(4d32ead450f921f563514b061ea561a222283616) ) // Assembled from c32boot.asm (03-04-96)
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ROM_END
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@ -291,6 +394,7 @@ tms3203x_device::tms3203x_device(const machine_config &mconfig, device_type type
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m_icount(0),
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m_program(nullptr),
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m_cache(nullptr),
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m_internal_rom(*this, "internal_rom"),
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m_mcbl_mode(false),
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m_xf0_cb(*this),
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m_xf1_cb(*this),
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@ -401,7 +505,12 @@ void tms3203x_device::device_start()
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// set up the internal boot loader ROM
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if (m_mcbl_mode)
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m_program->install_rom(0x000000, 0x000fff, memregion(shortname())->base());
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{
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if (m_internal_rom->base() != nullptr)
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m_program->install_rom(0x000000, 0x000fff, m_internal_rom->base());
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else
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m_program->unmap_read(0x000000, 0x000fff);
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}
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// save state
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save_item(NAME(m_pc));
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@ -743,8 +852,8 @@ void tms3203x_device::execute_set_input(int inputnum, int state)
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m_mcbl_mode = (state == ASSERT_LINE);
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if (m_mcbl_mode != old_mode)
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{
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if (m_mcbl_mode)
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m_program->install_rom(0x000000, 0x000fff, memregion(shortname())->base());
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if (m_mcbl_mode && (m_internal_rom->base() != nullptr))
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m_program->install_rom(0x000000, 0x000fff, m_internal_rom->base());
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else
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m_program->unmap_read(0x000000, 0x000fff);
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}
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@ -4,7 +4,7 @@
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tms32031.h
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TMS32031/2 emulator
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TMS320C3x family 32-bit floating point DSP emulator
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***************************************************************************/
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@ -771,6 +771,8 @@ protected:
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address_space * m_program;
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memory_access_cache<2, -2, ENDIANNESS_LITTLE> *m_cache;
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optional_memory_region m_internal_rom;
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bool m_mcbl_mode;
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bool m_hold_state;
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