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Merge pull request #1008 from bmunger/r9751

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r9751: Add save state support, document progress, and clean up [Brandon Munger]
This commit is contained in:
Vas Crabb 2016-06-29 19:37:13 +10:00 committed by GitHub
commit c3d64a5693
3 changed files with 49 additions and 10 deletions
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13
src/devices/machine/pdc.cpp
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@ -324,6 +324,19 @@ pdc_device::pdc_device(const machine_config &mconfig, const char *tag, device_t
void pdc_device::device_start() void pdc_device::device_start()
{ {
/* Save States */
save_item(NAME(reg_p0));
save_item(NAME(reg_p1));
save_item(NAME(reg_p2));
save_item(NAME(reg_p3));
save_item(NAME(reg_p4));
save_item(NAME(reg_p5));
save_item(NAME(reg_p6));
save_item(NAME(reg_p7));
save_item(NAME(reg_p21));
save_item(NAME(reg_p38));
save_item(NAME(fdd_68k_dma_address));
} }
//------------------------------------------------- //-------------------------------------------------

16
src/devices/machine/pdc.h
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@ -34,11 +34,11 @@
class pdc_device : public device_t class pdc_device : public device_t
{ {
public: public:
/* Constructor and Destructor */ /* Constructor and Destructor */
pdc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); pdc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
/* Optional information overrides */ /* Optional information overrides */
virtual machine_config_constructor device_mconfig_additions() const override; virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override; virtual ioport_constructor device_input_ports() const override;
virtual const rom_entry *device_rom_region() const override; virtual const rom_entry *device_rom_region() const override;
@ -69,7 +69,7 @@ public:
DECLARE_WRITE8_MEMBER(m68k_dma_w); DECLARE_WRITE8_MEMBER(m68k_dma_w);
DECLARE_WRITE_LINE_MEMBER(fdc_irq); DECLARE_WRITE_LINE_MEMBER(fdc_irq);
DECLARE_FLOPPY_FORMATS( floppy_formats ); DECLARE_FLOPPY_FORMATS( floppy_formats );
/* Main CPU accessible registers */ /* Main CPU accessible registers */
UINT8 reg_p0; UINT8 reg_p0;
@ -84,16 +84,16 @@ public:
UINT8 reg_p38; UINT8 reg_p38;
UINT32 fdd_68k_dma_address; /* FDD <-> m68k DMA read/write address */ UINT32 fdd_68k_dma_address; /* FDD <-> m68k DMA read/write address */
protected: protected:
/* Device-level overrides */ /* Device-level overrides */
virtual void device_start() override; virtual void device_start() override;
virtual void device_reset() override; virtual void device_reset() override;
/* Protected variables */ /* Protected variables */
//UINT32 fdd_68k_dma_address; //UINT32 fdd_68k_dma_address;
bool b_fdc_irq; bool b_fdc_irq;
/* Attached devices */ /* Attached devices */
required_device<cpu_device> m_pdccpu; required_device<cpu_device> m_pdccpu;
required_device<am9517a_device> m_dma8237; required_device<am9517a_device> m_dma8237;
required_device<upd765a_device> m_fdc; required_device<upd765a_device> m_fdc;
//required_device<floppy_connector> m_floppy; //required_device<floppy_connector> m_floppy;

30
src/mame/drivers/r9751.cpp
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@ -29,6 +29,21 @@
* Memory map: * Memory map:
* * 0x00000000 - 0x00ffffff : RAM 12MB to 16MB known, up to 128MB? * * 0x00000000 - 0x00ffffff : RAM 12MB to 16MB known, up to 128MB?
* * 0x08000000 - 0x0800ffff : PROM Region * * 0x08000000 - 0x0800ffff : PROM Region
* * 0x5ff00000 - 0x5fffffff : System boards
* * 0xff010000 - 0xfff8ffff : CPU board registers
*
* Working:
* * Floppy Disk IO (PDC device)
* * SMIOC terminal (preliminary)
*
* TODO:
* * Identify registers required for OS booting
* * Hard disk support
* * SMIOC ports (1-8)
* * Identify various LED registers for system boards
* * ROLMLink (RLI) board support
* * Analog Telephone Interface (ATI) board support
* * T1 (T1DN) board support
* *
******************************************************************************/ ******************************************************************************/
@ -125,12 +140,12 @@ UINT32 r9751_state::debug_a6()
UINT32 r9751_state::debug_a5() UINT32 r9751_state::debug_a5()
{ {
return m_maincpu->space(AS_PROGRAM).read_dword(ptr_m68000->dar[13]); return m_maincpu->space(AS_PROGRAM).read_dword(ptr_m68000->dar[13]);
} }
UINT32 r9751_state::debug_a5_20() UINT32 r9751_state::debug_a5_20()
{ {
return m_maincpu->space(AS_PROGRAM).read_dword(ptr_m68000->dar[13] + 0x20); return m_maincpu->space(AS_PROGRAM).read_dword(ptr_m68000->dar[13] + 0x20);
} }
READ8_MEMBER(r9751_state::pdc_dma_r) READ8_MEMBER(r9751_state::pdc_dma_r)
@ -161,6 +176,17 @@ DRIVER_INIT_MEMBER(r9751_state,r9751)
m_mem = &m_maincpu->space(AS_PROGRAM); m_mem = &m_maincpu->space(AS_PROGRAM);
m_maincpu->interface<m68000_base_device>(ptr_m68000); m_maincpu->interface<m68000_base_device>(ptr_m68000);
/* Save states */
save_item(NAME(reg_ff050004));
save_item(NAME(reg_fff80040));
save_item(NAME(fdd_dest_address));
save_item(NAME(fdd_cmd_complete));
save_item(NAME(smioc_out_addr));
save_item(NAME(smioc_dma_bank));
save_item(NAME(fdd_dma_bank));
save_item(NAME(timer_32khz_last));
} }
void r9751_state::machine_reset() void r9751_state::machine_reset()