mirror of
https://github.com/holub/mame
synced 2025-05-17 11:15:06 +03:00
Imported SED1330 LCDC from MESS. (no whatsnew)
This commit is contained in:
Curt Coder
parent
92f4268f08
commit
383a7ab8fe
2
.gitattributes
vendored
2
.gitattributes
vendored
@ -1229,6 +1229,8 @@ src/emu/video/s2636.c svneol=native#text/plain
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src/emu/video/s2636.h svneol=native#text/plain
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src/emu/video/saa5050.c svneol=native#text/plain
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src/emu/video/saa5050.h svneol=native#text/plain
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src/emu/video/sed1330.c svneol=native#text/plain
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src/emu/video/sed1330.h svneol=native#text/plain
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src/emu/video/tlc34076.c svneol=native#text/plain
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src/emu/video/tlc34076.h svneol=native#text/plain
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src/emu/video/tms34061.c svneol=native#text/plain
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@ -243,6 +243,7 @@ EMUVIDEOOBJS = \
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$(EMUVIDEO)/rgbutil.o \
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$(EMUVIDEO)/s2636.o \
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$(EMUVIDEO)/saa5050.o \
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$(EMUVIDEO)/sed1330.o \
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$(EMUVIDEO)/tlc34076.o \
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$(EMUVIDEO)/tms34061.o \
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$(EMUVIDEO)/tms9927.o \
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746
src/emu/video/sed1330.c
Normal file
746
src/emu/video/sed1330.c
Normal file
@ -0,0 +1,746 @@
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/**********************************************************************
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Seiko-Epson SED1330 LCD Controller emulation
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#include "emu.h"
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#include "sed1330.h"
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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#define LOG 0
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#define INSTRUCTION_SYSTEM_SET 0x40
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#define INSTRUCTION_SLEEP_IN 0x53 // unimplemented
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#define INSTRUCTION_DISP_ON 0x59
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#define INSTRUCTION_DISP_OFF 0x58
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#define INSTRUCTION_SCROLL 0x44
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#define INSTRUCTION_CSRFORM 0x5d
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#define INSTRUCTION_CGRAM_ADR 0x5c
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#define INSTRUCTION_CSRDIR_RIGHT 0x4c
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#define INSTRUCTION_CSRDIR_LEFT 0x4d
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#define INSTRUCTION_CSRDIR_UP 0x4e
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#define INSTRUCTION_CSRDIR_DOWN 0x4f
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#define INSTRUCTION_HDOT_SCR 0x5a
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#define INSTRUCTION_OVLAY 0x5b
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#define INSTRUCTION_CSRW 0x46
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#define INSTRUCTION_CSRR 0x47 // unimplemented
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#define INSTRUCTION_MWRITE 0x42
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#define INSTRUCTION_MREAD 0x43 // unimplemented
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#define CSRDIR_RIGHT 0x00
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#define CSRDIR_LEFT 0x01
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#define CSRDIR_UP 0x02
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#define CSRDIR_DOWN 0x03
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#define MX_OR 0x00
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#define MX_XOR 0x01 // unimplemented
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#define MX_AND 0x02 // unimplemented
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#define MX_PRIORITY_OR 0x03 // unimplemented
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#define FC_OFF 0x00
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#define FC_SOLID 0x01 // unimplemented
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#define FC_FLASH_32 0x02 // unimplemented
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#define FC_FLASH_64 0x03 // unimplemented
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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// devices
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const device_type SED1330 = sed1330_device_config::static_alloc_device_config;
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// default address map
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static ADDRESS_MAP_START( sed1330, AS_0, 8 )
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AM_RANGE(0x0000, 0xffff) AM_RAM
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ADDRESS_MAP_END
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// internal character generator ROM
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ROM_START( sed1330 )
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ROM_REGION( 0x5c0, "gfx1", 0 ) // internal chargen ROM
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ROM_LOAD( "sed1330.bin", 0x000, 0x5c0, NO_DUMP )
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ROM_END
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//**************************************************************************
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// DEVICE CONFIGURATION
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//**************************************************************************
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//-------------------------------------------------
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// sed1330_device_config - constructor
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//-------------------------------------------------
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sed1330_device_config::sed1330_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock)
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: device_config(mconfig, static_alloc_device_config, "Seiko-Epson SED1330", tag, owner, clock),
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device_config_memory_interface(mconfig, *this),
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m_space_config("videoram", ENDIANNESS_LITTLE, 8, 16, 0, NULL, *ADDRESS_MAP_NAME(sed1330))
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{
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m_shortname = "sed1330";
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}
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//-------------------------------------------------
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// static_alloc_device_config - allocate a new
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// configuration object
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//-------------------------------------------------
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device_config *sed1330_device_config::static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock)
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{
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return global_alloc(sed1330_device_config(mconfig, tag, owner, clock));
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}
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//-------------------------------------------------
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// alloc_device - allocate a new device object
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//-------------------------------------------------
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device_t *sed1330_device_config::alloc_device(running_machine &machine) const
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{
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return auto_alloc(machine, sed1330_device(machine, *this));
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}
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//-------------------------------------------------
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// memory_space_config - return a description of
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// any address spaces owned by this device
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//-------------------------------------------------
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const address_space_config *sed1330_device_config::memory_space_config(address_spacenum spacenum) const
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{
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return (spacenum == AS_0) ? &m_space_config : NULL;
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}
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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const rom_entry *sed1330_device_config::device_rom_region() const
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{
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return ROM_NAME( sed1330 );
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}
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//-------------------------------------------------
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// device_config_complete - perform any
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// operations now that the configuration is
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// complete
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//-------------------------------------------------
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void sed1330_device_config::device_config_complete()
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{
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// inherit a copy of the static data
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const sed1330_interface *intf = reinterpret_cast<const sed1330_interface *>(static_config());
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if (intf != NULL)
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*static_cast<sed1330_interface *>(this) = *intf;
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// or initialize to defaults if none provided
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else
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{
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}
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}
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//**************************************************************************
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// INLINE HELPERS
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//**************************************************************************
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//-------------------------------------------------
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// readbyte - read a byte at the given address
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//-------------------------------------------------
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inline UINT8 sed1330_device::readbyte(offs_t address)
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{
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return space()->read_byte(address);
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}
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//-------------------------------------------------
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// writebyte - write a byte at the given address
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//-------------------------------------------------
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inline void sed1330_device::writebyte(offs_t address, UINT8 data)
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{
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space()->write_byte(address, data);
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}
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//-------------------------------------------------
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// increment_csr - increment cursor address
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//-------------------------------------------------
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inline void sed1330_device::increment_csr()
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{
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switch (m_cd)
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{
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case CSRDIR_RIGHT:
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m_csr++;
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break;
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case CSRDIR_LEFT:
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m_csr--;
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break;
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case CSRDIR_UP:
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m_csr -= m_ap;
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break;
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case CSRDIR_DOWN:
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m_csr += m_ap;
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break;
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}
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// sed1330_device - constructor
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//-------------------------------------------------
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sed1330_device::sed1330_device(running_machine &_machine, const sed1330_device_config &config)
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: device_t(_machine, config),
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device_memory_interface(_machine, config, *this),
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m_bf(0),
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m_config(config)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void sed1330_device::device_start()
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{
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// register for state saving
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save_item(NAME(m_bf));
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save_item(NAME(m_ir));
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save_item(NAME(m_dor));
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save_item(NAME(m_pbc));
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save_item(NAME(m_d));
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save_item(NAME(m_sleep));
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save_item(NAME(m_sag));
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save_item(NAME(m_m0));
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save_item(NAME(m_m1));
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save_item(NAME(m_m2));
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save_item(NAME(m_ws));
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save_item(NAME(m_iv));
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save_item(NAME(m_wf));
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save_item(NAME(m_fx));
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save_item(NAME(m_fy));
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save_item(NAME(m_cr));
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save_item(NAME(m_tcr));
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save_item(NAME(m_lf));
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save_item(NAME(m_ap));
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save_item(NAME(m_sad1));
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save_item(NAME(m_sad2));
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save_item(NAME(m_sad3));
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save_item(NAME(m_sad4));
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save_item(NAME(m_sl1));
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save_item(NAME(m_sl2));
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save_item(NAME(m_hdotscr));
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save_item(NAME(m_csr));
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save_item(NAME(m_cd));
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save_item(NAME(m_crx));
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save_item(NAME(m_cry));
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save_item(NAME(m_cm));
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save_item(NAME(m_fc));
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save_item(NAME(m_fp));
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save_item(NAME(m_mx));
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save_item(NAME(m_dm));
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save_item(NAME(m_ov));
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void sed1330_device::device_reset()
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{
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}
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//-------------------------------------------------
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// status_r -
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//-------------------------------------------------
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READ8_MEMBER( sed1330_device::status_r )
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{
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if (LOG) logerror("SED1330 '%s' Status Read: %s\n", tag(), m_bf ? "busy" : "ready");
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return m_bf << 6;
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}
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//-------------------------------------------------
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// command_w -
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//-------------------------------------------------
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WRITE8_MEMBER( sed1330_device::command_w )
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{
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m_ir = data;
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m_pbc = 0;
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switch (m_ir)
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{
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#if 0
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case INSTRUCTION_SLEEP_IN:
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break;
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#endif
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case INSTRUCTION_CSRDIR_RIGHT:
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case INSTRUCTION_CSRDIR_LEFT:
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case INSTRUCTION_CSRDIR_UP:
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case INSTRUCTION_CSRDIR_DOWN:
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m_cd = data & 0x03;
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if (LOG)
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{
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switch (m_cd)
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{
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case CSRDIR_RIGHT: logerror("SED1330 '%s' Cursor Direction: Right\n", tag()); break;
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case CSRDIR_LEFT: logerror("SED1330 '%s' Cursor Direction: Left\n", tag()); break;
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case CSRDIR_UP: logerror("SED1330 '%s' Cursor Direction: Up\n", tag()); break;
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case CSRDIR_DOWN: logerror("SED1330 '%s' Cursor Direction: Down\n", tag()); break;
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}
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}
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break;
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}
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}
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//-------------------------------------------------
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// data_r -
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//-------------------------------------------------
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READ8_MEMBER( sed1330_device::data_r )
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{
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UINT8 data = readbyte(m_csr);
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if (LOG) logerror("SED1330 '%s' Memory Read %02x from %04x\n", tag(), data, m_csr);
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increment_csr();
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return data;
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}
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//-------------------------------------------------
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// data_w -
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//-------------------------------------------------
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WRITE8_MEMBER( sed1330_device::data_w )
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{
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switch (m_ir)
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{
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case INSTRUCTION_SYSTEM_SET:
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switch (m_pbc)
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{
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case 0:
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m_m0 = BIT(data, 0);
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m_m1 = BIT(data, 1);
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m_m2 = BIT(data, 2);
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m_ws = BIT(data, 3);
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m_iv = BIT(data, 5);
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if (LOG)
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{
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logerror("SED1330 '%s' %s CG ROM\n", tag(), BIT(data, 0) ? "External" : "Internal");
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logerror("SED1330 '%s' D6 Correction: %s\n", tag(), BIT(data, 1) ? "enabled" : "disabled");
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logerror("SED1330 '%s' Character Height: %u\n", tag(), BIT(data, 2) ? 16 : 8);
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logerror("SED1330 '%s' %s Panel Drive\n", tag(), BIT(data, 3) ? "Dual" : "Single");
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logerror("SED1330 '%s' Screen Top-Line Correction: %s\n", tag(), BIT(data, 5) ? "disabled" : "enabled");
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}
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break;
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case 1:
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m_fx = (data & 0x07) + 1;
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m_wf = BIT(data, 7);
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if (LOG)
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{
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logerror("SED1330 '%s' Horizontal Character Size: %u\n", tag(), m_fx);
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logerror("SED1330 '%s' %s AC Drive\n", tag(), BIT(data, 7) ? "2-frame" : "16-line");
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}
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break;
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case 2:
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m_fy = (data & 0x0f) + 1;
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if (LOG) logerror("SED1330 '%s' Vertical Character Size: %u\n", tag(), m_fy);
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break;
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case 3:
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m_cr = data + 1;
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if (LOG) logerror("SED1330 '%s' Visible Characters Per Line: %u\n", tag(), m_cr);
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break;
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case 4:
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m_tcr = data + 1;
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if (LOG) logerror("SED1330 '%s' Total Characters Per Line: %u\n", tag(), m_tcr);
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break;
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case 5:
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m_lf = data + 1;
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if (LOG) logerror("SED1330 '%s' Frame Height: %u\n", tag(), m_lf);
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break;
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case 6:
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m_ap = (m_ap & 0xff00) | data;
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break;
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case 7:
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m_ap = (data << 8) | (m_ap & 0xff);
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if (LOG) logerror("SED1330 '%s' Virtual Screen Width: %u\n", tag(), m_ap);
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break;
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default:
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logerror("SED1330 '%s' Invalid parameter byte %02x\n", tag(), data);
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}
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break;
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case INSTRUCTION_DISP_ON:
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case INSTRUCTION_DISP_OFF:
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m_d = BIT(data, 0);
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m_fc = data & 0x03;
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m_fp = data >> 2;
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if (LOG)
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{
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logerror("SED1330 '%s' Display: %s\n", tag(), BIT(data, 0) ? "enabled" : "disabled");
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switch (m_fc)
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{
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case FC_OFF: logerror("SED1330 '%s' Cursor: disabled\n", tag()); break;
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case FC_SOLID: logerror("SED1330 '%s' Cursor: solid\n", tag()); break;
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case FC_FLASH_32: logerror("SED1330 '%s' Cursor: fFR/32\n", tag()); break;
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case FC_FLASH_64: logerror("SED1330 '%s' Cursor: fFR/64\n", tag()); break;
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}
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switch (m_fp & 0x03)
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{
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case FC_OFF: logerror("SED1330 '%s' Display Page 1: disabled\n", tag()); break;
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case FC_SOLID: logerror("SED1330 '%s' Display Page 1: enabled\n", tag()); break;
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case FC_FLASH_32: logerror("SED1330 '%s' Display Page 1: flash fFR/32\n", tag()); break;
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case FC_FLASH_64: logerror("SED1330 '%s' Display Page 1: flash fFR/64\n", tag()); break;
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}
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switch ((m_fp >> 2) & 0x03)
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{
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case FC_OFF: logerror("SED1330 '%s' Display Page 2/4: disabled\n", tag()); break;
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case FC_SOLID: logerror("SED1330 '%s' Display Page 2/4: enabled\n", tag()); break;
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case FC_FLASH_32: logerror("SED1330 '%s' Display Page 2/4: flash fFR/32\n", tag()); break;
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case FC_FLASH_64: logerror("SED1330 '%s' Display Page 2/4: flash fFR/64\n", tag()); break;
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}
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switch ((m_fp >> 4) & 0x03)
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{
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case FC_OFF: logerror("SED1330 '%s' Display Page 3: disabled\n", tag()); break;
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case FC_SOLID: logerror("SED1330 '%s' Display Page 3: enabled\n", tag()); break;
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case FC_FLASH_32: logerror("SED1330 '%s' Display Page 3: flash fFR/32\n", tag()); break;
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case FC_FLASH_64: logerror("SED1330 '%s' Display Page 3: flash fFR/64\n", tag()); break;
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}
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}
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break;
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case INSTRUCTION_SCROLL:
|
||||
switch (m_pbc)
|
||||
{
|
||||
case 0:
|
||||
m_sad1 = (m_sad1 & 0xff00) | data;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
m_sad1 = (data << 8) | (m_sad1 & 0xff);
|
||||
if (LOG) logerror("SED1330 '%s' Display Page 1 Start Address: %04x\n", tag(), m_sad1);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
m_sl1 = data + 1;
|
||||
if (LOG) logerror("SED1330 '%s' Display Block 1 Screen Lines: %u\n", tag(), m_sl1);
|
||||
break;
|
||||
|
||||
case 3:
|
||||
m_sad2 = (m_sad2 & 0xff00) | data;
|
||||
break;
|
||||
|
||||
case 4:
|
||||
m_sad2 = (data << 8) | (m_sad2 & 0xff);
|
||||
if (LOG) logerror("SED1330 '%s' Display Page 2 Start Address: %04x\n", tag(), m_sad2);
|
||||
break;
|
||||
|
||||
case 5:
|
||||
m_sl2 = data + 1;
|
||||
if (LOG) logerror("SED1330 '%s' Display Block 2 Screen Lines: %u\n", tag(), m_sl2);
|
||||
break;
|
||||
|
||||
case 6:
|
||||
m_sad3 = (m_sad3 & 0xff00) | data;
|
||||
break;
|
||||
|
||||
case 7:
|
||||
m_sad3 = (data << 8) | (m_sad3 & 0xff);
|
||||
if (LOG) logerror("SED1330 '%s' Display Page 3 Start Address: %04x\n", tag(), m_sad3);
|
||||
break;
|
||||
|
||||
case 8:
|
||||
m_sad4 = (m_sad4 & 0xff00) | data;
|
||||
break;
|
||||
|
||||
case 9:
|
||||
m_sad4 = (data << 8) | (m_sad4 & 0xff);
|
||||
if (LOG) logerror("SED1330 '%s' Display Page 4 Start Address: %04x\n", tag(), m_sad4);
|
||||
break;
|
||||
|
||||
default:
|
||||
logerror("SED1330 '%s' Invalid parameter byte %02x\n", tag(), data);
|
||||
}
|
||||
break;
|
||||
|
||||
case INSTRUCTION_CSRFORM:
|
||||
switch (m_pbc)
|
||||
{
|
||||
case 0:
|
||||
m_crx = (data & 0x0f) + 1;
|
||||
if (LOG) logerror("SED1330 '%s' Horizontal Cursor Size: %u\n", tag(), m_crx);
|
||||
break;
|
||||
|
||||
case 1:
|
||||
m_cry = (data & 0x0f) + 1;
|
||||
m_cm = BIT(data, 7);
|
||||
if (LOG)
|
||||
{
|
||||
logerror("SED1330 '%s' Vertical Cursor Location: %u\n", tag(), m_cry);
|
||||
logerror("SED1330 '%s' Cursor Shape: %s\n", tag(), BIT(data, 7) ? "Block" : "Underscore");
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
logerror("SED1330 '%s' Invalid parameter byte %02x\n", tag(), data);
|
||||
}
|
||||
break;
|
||||
|
||||
case INSTRUCTION_CGRAM_ADR:
|
||||
switch (m_pbc)
|
||||
{
|
||||
case 0:
|
||||
m_sag = (m_sag & 0xff00) | data;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
m_sag = (data << 8) | (m_sag & 0xff);
|
||||
if (LOG) logerror("SED1330 '%s' Character Generator RAM Start Address: %04x\n", tag(), m_sag);
|
||||
break;
|
||||
|
||||
default:
|
||||
logerror("SED1330 '%s' Invalid parameter byte %02x\n", tag(), data);
|
||||
}
|
||||
break;
|
||||
|
||||
case INSTRUCTION_HDOT_SCR:
|
||||
m_hdotscr = data & 0x07;
|
||||
if (LOG) logerror("SED1330 '%s' Horizontal Dot Scroll: %u\n", tag(), m_hdotscr);
|
||||
break;
|
||||
|
||||
case INSTRUCTION_OVLAY:
|
||||
m_mx = data & 0x03;
|
||||
m_dm = (data >> 2) & 0x03;
|
||||
m_ov = BIT(data, 4);
|
||||
|
||||
if (LOG)
|
||||
{
|
||||
switch (m_mx)
|
||||
{
|
||||
case MX_OR: logerror("SED1330 '%s' Display Composition Method: OR\n", tag()); break;
|
||||
case MX_XOR: logerror("SED1330 '%s' Display Composition Method: Exclusive-OR\n", tag()); break;
|
||||
case MX_AND: logerror("SED1330 '%s' Display Composition Method: AND\n", tag()); break;
|
||||
case MX_PRIORITY_OR: logerror("SED1330 '%s' Display Composition Method: Priority-OR\n", tag()); break;
|
||||
}
|
||||
|
||||
logerror("SED1330 '%s' Display Page 1 Mode: %s\n", tag(), BIT(data, 2) ? "Graphics" : "Text");
|
||||
logerror("SED1330 '%s' Display Page 3 Mode: %s\n", tag(), BIT(data, 3) ? "Graphics" : "Text");
|
||||
logerror("SED1330 '%s' Display Composition Layers: %u\n", tag(), BIT(data, 4) ? 3 : 2);
|
||||
}
|
||||
break;
|
||||
|
||||
case INSTRUCTION_CSRW:
|
||||
switch (m_pbc)
|
||||
{
|
||||
case 0:
|
||||
m_csr = (m_csr & 0xff00) | data;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
m_csr = (data << 8) | (m_csr & 0xff);
|
||||
if (LOG) logerror("SED1330 '%s' Cursor Address %04x\n", tag(), m_csr);
|
||||
break;
|
||||
|
||||
default:
|
||||
logerror("SED1330 '%s' Invalid parameter byte %02x\n", tag(), data);
|
||||
}
|
||||
break;
|
||||
#if 0
|
||||
case INSTRUCTION_CSRR:
|
||||
break;
|
||||
#endif
|
||||
case INSTRUCTION_MWRITE:
|
||||
if (LOG) logerror("SED1330 '%s' Memory Write %02x to %04x (row %u col %u line %u)\n", tag(), data, m_csr, m_csr/80/8, m_csr%80, m_csr/80);
|
||||
|
||||
writebyte(m_csr, data);
|
||||
|
||||
increment_csr();
|
||||
break;
|
||||
#if 0
|
||||
case INSTRUCTION_MREAD:
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
logerror("SED1330 '%s' Unsupported instruction %02x\n", tag(), m_ir);
|
||||
}
|
||||
|
||||
m_pbc++;
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// draw_text_scanline -
|
||||
//-------------------------------------------------
|
||||
|
||||
void sed1330_device::draw_text_scanline(bitmap_t *bitmap, const rectangle *cliprect, int y, UINT16 va)
|
||||
{
|
||||
int sx, x;
|
||||
|
||||
for (sx = 0; sx < m_cr; sx++)
|
||||
{
|
||||
if ((va + sx) == m_csr)
|
||||
{
|
||||
if (m_fc == FC_OFF) continue;
|
||||
|
||||
if (m_cm)
|
||||
{
|
||||
// block cursor
|
||||
if (y % m_fy < m_cry)
|
||||
{
|
||||
for (x = 0; x < m_crx; x++)
|
||||
{
|
||||
*BITMAP_ADDR16(bitmap, y, (sx * m_fx) + x) = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// underscore cursor
|
||||
if (y % m_fy == m_cry)
|
||||
{
|
||||
for (x = 0; x < m_crx; x++)
|
||||
{
|
||||
*BITMAP_ADDR16(bitmap, y, (sx * m_fx) + x) = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// draw_graphics_scanline -
|
||||
//-------------------------------------------------
|
||||
|
||||
void sed1330_device::draw_graphics_scanline(bitmap_t *bitmap, const rectangle *cliprect, int y, UINT16 va)
|
||||
{
|
||||
int sx, x;
|
||||
|
||||
for (sx = 0; sx < m_cr; sx++)
|
||||
{
|
||||
UINT8 data = readbyte(va++);
|
||||
|
||||
for (x = 0; x < m_fx; x++)
|
||||
{
|
||||
*BITMAP_ADDR16(bitmap, y, (sx * m_fx) + x) = BIT(data, 7);
|
||||
data <<= 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// update_graphics -
|
||||
//-------------------------------------------------
|
||||
|
||||
void sed1330_device::update_graphics(bitmap_t *bitmap, const rectangle *cliprect)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// update_text -
|
||||
//-------------------------------------------------
|
||||
|
||||
void sed1330_device::update_text(bitmap_t *bitmap, const rectangle *cliprect)
|
||||
{
|
||||
int y;
|
||||
|
||||
if (m_ws)
|
||||
{
|
||||
for (y = 0; y < m_sl1; y++)
|
||||
{
|
||||
UINT16 sad1 = m_sad1 + ((y / m_fy) * m_ap);
|
||||
UINT16 sad2 = m_sad2 + (y * m_ap);
|
||||
UINT16 sad3 = m_sad3 + ((y / m_fy) * m_ap);
|
||||
UINT16 sad4 = m_sad4 + (y * m_ap);
|
||||
|
||||
// draw graphics display page 2 scanline
|
||||
draw_graphics_scanline(bitmap, cliprect, y, sad2);
|
||||
|
||||
// draw text display page 1 scanline
|
||||
draw_text_scanline(bitmap, cliprect, y, sad1);
|
||||
|
||||
// draw graphics display page 4 scanline
|
||||
draw_graphics_scanline(bitmap, cliprect, y + m_sl1, sad4);
|
||||
|
||||
// draw text display page 3 scanline
|
||||
draw_text_scanline(bitmap, cliprect, y + m_sl1, sad3);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// update_screen -
|
||||
//-------------------------------------------------
|
||||
|
||||
void sed1330_device::update_screen(bitmap_t *bitmap, const rectangle *cliprect)
|
||||
{
|
||||
if (m_d)
|
||||
{
|
||||
if (m_dm)
|
||||
{
|
||||
update_graphics(bitmap, cliprect);
|
||||
}
|
||||
else
|
||||
{
|
||||
update_text(bitmap, cliprect);
|
||||
}
|
||||
}
|
||||
}
|
||||
168
src/emu/video/sed1330.h
Normal file
168
src/emu/video/sed1330.h
Normal file
@ -0,0 +1,168 @@
|
||||
/**********************************************************************
|
||||
|
||||
Seiko-Epson SED1330 LCD Controller emulation
|
||||
|
||||
Copyright MESS Team.
|
||||
Visit http://mamedev.org for licensing and usage restrictions.
|
||||
|
||||
**********************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SED1330__
|
||||
#define __SED1330__
|
||||
|
||||
#include "emu.h"
|
||||
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// INTERFACE CONFIGURATION MACROS
|
||||
//**************************************************************************
|
||||
|
||||
#define MCFG_SED1330_ADD(_tag, _clock, _config) \
|
||||
MCFG_DEVICE_ADD(_tag, SED1330, _clock) \
|
||||
MCFG_DEVICE_CONFIG(_config)
|
||||
|
||||
|
||||
#define SED1330_INTERFACE(name) \
|
||||
const sed1330_interface (name) =
|
||||
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> sed1330_interface
|
||||
|
||||
struct sed1330_interface
|
||||
{
|
||||
const char *screen_tag;
|
||||
};
|
||||
|
||||
|
||||
|
||||
// ======================> sed1330_device_config
|
||||
|
||||
class sed1330_device_config : public device_config,
|
||||
public device_config_memory_interface,
|
||||
public sed1330_interface
|
||||
{
|
||||
friend class sed1330_device;
|
||||
|
||||
// construction/destruction
|
||||
sed1330_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
|
||||
|
||||
public:
|
||||
// allocators
|
||||
static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
|
||||
virtual device_t *alloc_device(running_machine &machine) const;
|
||||
|
||||
protected:
|
||||
// device_config overrides
|
||||
virtual void device_config_complete();
|
||||
|
||||
// optional information overrides
|
||||
virtual const rom_entry *device_rom_region() const;
|
||||
|
||||
// device_config_memory_interface overrides
|
||||
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
|
||||
|
||||
// address space configurations
|
||||
const address_space_config m_space_config;
|
||||
};
|
||||
|
||||
|
||||
|
||||
// ======================> sed1330_device
|
||||
|
||||
class sed1330_device : public device_t,
|
||||
public device_memory_interface
|
||||
{
|
||||
friend class sed1330_device_config;
|
||||
|
||||
// construction/destruction
|
||||
sed1330_device(running_machine &_machine, const sed1330_device_config &_config);
|
||||
|
||||
public:
|
||||
DECLARE_READ8_MEMBER( status_r );
|
||||
DECLARE_WRITE8_MEMBER( command_w );
|
||||
|
||||
DECLARE_READ8_MEMBER( data_r );
|
||||
DECLARE_WRITE8_MEMBER( data_w );
|
||||
|
||||
void update_screen(bitmap_t *bitmap, const rectangle *cliprect);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start();
|
||||
virtual void device_reset();
|
||||
|
||||
inline UINT8 readbyte(offs_t address);
|
||||
inline void writebyte(offs_t address, UINT8 m_data);
|
||||
inline void increment_csr();
|
||||
|
||||
void draw_text_scanline(bitmap_t *bitmap, const rectangle *cliprect, int y, UINT16 va);
|
||||
void draw_graphics_scanline(bitmap_t *bitmap, const rectangle *cliprect, int y, UINT16 va);
|
||||
void update_graphics(bitmap_t *bitmap, const rectangle *cliprect);
|
||||
void update_text(bitmap_t *bitmap, const rectangle *cliprect);
|
||||
|
||||
private:
|
||||
int m_bf; // busy flag
|
||||
|
||||
UINT8 m_ir; // instruction register
|
||||
UINT8 m_dor; // data output register
|
||||
int m_pbc; // parameter byte counter
|
||||
|
||||
int m_d; // display enabled
|
||||
int m_sleep; // sleep mode
|
||||
|
||||
UINT16 m_sag; // character generator RAM start address
|
||||
int m_m0; // character generator ROM (0=internal, 1=external)
|
||||
int m_m1; // character generator RAM D6 correction (0=no, 1=yes)
|
||||
int m_m2; // height of character bitmaps (0=8, 1=16 pixels)
|
||||
int m_ws; // LCD drive method (0=single, 1=dual panel)
|
||||
int m_iv; // screen origin compensation for inverse display (0=yes, 1=no)
|
||||
int m_wf; // AC frame drive waveform period (0=16-line, 1=2-frame)
|
||||
|
||||
int m_fx; // character width in pixels
|
||||
int m_fy; // character height in pixels
|
||||
int m_cr; // visible line width in characters
|
||||
int m_tcr; // total line width in characters (including horizontal blanking)
|
||||
int m_lf; // frame height in lines
|
||||
UINT16 m_ap; // virtual screen line width in characters
|
||||
|
||||
UINT16 m_sad1; // display page 1 start address
|
||||
UINT16 m_sad2; // display page 2 start address
|
||||
UINT16 m_sad3; // display page 3 start address
|
||||
UINT16 m_sad4; // display page 4 start address
|
||||
int m_sl1; // display block 1 height in lines
|
||||
int m_sl2; // display block 2 height in lines
|
||||
int m_hdotscr; // horizontal dot scroll in pixels
|
||||
int m_fp; // display page flash control
|
||||
|
||||
UINT16 m_csr; // cursor address register
|
||||
int m_cd; // cursor increment direction
|
||||
int m_crx; // cursor width
|
||||
int m_cry; // cursor height or location
|
||||
int m_cm; // cursor shape (0=underscore, 1=block)
|
||||
int m_fc; // cursor flash control
|
||||
|
||||
int m_mx; // screen layer composition method
|
||||
int m_dm; // display mode for pages 1, 3
|
||||
int m_ov; // graphics mode layer composition
|
||||
|
||||
// devices
|
||||
screen_device *m_screen;
|
||||
|
||||
const sed1330_device_config &m_config;
|
||||
};
|
||||
|
||||
|
||||
// device type definition
|
||||
extern const device_type SED1330;
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user