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https://github.com/holub/mame
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(MESS) pc1640: Added ISA card for integrated video. (nw)
This commit is contained in:
Curt Coder
parent
89830c4904
commit
5919be052a
3
.gitattributes
vendored
3
.gitattributes
vendored
@ -8215,6 +8215,8 @@ src/mess/video/isa_ega.c svneol=native#text/plain
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src/mess/video/isa_ega.h svneol=native#text/plain
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src/mess/video/isa_mda.c svneol=native#text/plain
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src/mess/video/isa_mda.h svneol=native#text/plain
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src/mess/video/isa_pc1640_iga.c svneol=native#text/plain
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src/mess/video/isa_pc1640_iga.h svneol=native#text/plain
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src/mess/video/isa_svga_cirrus.c svneol=native#text/plain
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src/mess/video/isa_svga_cirrus.h svneol=native#text/plain
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src/mess/video/isa_svga_s3.c svneol=native#text/plain
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@ -8281,7 +8283,6 @@ src/mess/video/pc1350.c svneol=native#text/plain
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src/mess/video/pc1401.c svneol=native#text/plain
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src/mess/video/pc1403.c svneol=native#text/plain
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src/mess/video/pc1512.c svneol=native#text/plain
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src/mess/video/pc1640.c svneol=native#text/plain
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src/mess/video/pc4.c svneol=native#text/plain
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src/mess/video/pc8401a.c svneol=native#text/plain
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src/mess/video/pc_aga.c svneol=native#text/plain
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@ -480,7 +480,7 @@ READ8_MEMBER( pc1640_state::io_r )
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else if (addr >= 0x070 && addr <= 0x073) { data = m_rtc->read(space, offset & 0x01); decoded = true; }
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else if (addr >= 0x078 && addr <= 0x07f) { data = mouse_r(space, offset & 0x07); decoded = true; }
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else if (addr >= 0x378 && addr <= 0x37b) { data = printer_r(space, offset & 0x03); decoded = true; }
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else if (addr >= 0x3b0 && addr <= 0x3df) { data = iga_r(space, addr - 0x3b0); decoded = true; }
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else if (addr >= 0x3b0 && addr <= 0x3df) { decoded = true; }
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else if (addr >= 0x3f4 && addr <= 0x3f4) { data = m_fdc->fdc->msr_r(space, offset & 0x01); decoded = true; }
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else if (addr >= 0x3f5 && addr <= 0x3f5) { data = m_fdc->fdc->fifo_r(space, offset & 0x01); decoded = true; }
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else if (addr >= 0x3f8 && addr <= 0x3ff) { data = m_uart->ins8250_r(space, offset & 0x07); decoded = true; }
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@ -556,9 +556,6 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( pc1640_mem, AS_PROGRAM, 16, pc1640_state )
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AM_RANGE(0x00000, 0x9ffff) AM_RAM
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AM_RANGE(0xa0000, 0xbffff) AM_READWRITE8(video_ram_r, video_ram_w, 0xffff)
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AM_RANGE(0xc0000, 0xc7fff) AM_ROM AM_REGION("iga", 0)
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// AM_RANGE(0xc8000, 0xc9fff) AM_ROM AM_REGION("hdc", 0)
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AM_RANGE(0xf0000, 0xf3fff) AM_MIRROR(0xc000) AM_ROM AM_REGION(I8086_TAG, 0)
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ADDRESS_MAP_END
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@ -579,7 +576,6 @@ static ADDRESS_MAP_START( pc1640_io, AS_IO, 16, pc1640_state )
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AM_RANGE(0x080, 0x083) AM_WRITE8(dma_page_w, 0xffff)
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AM_RANGE(0x0a0, 0x0a1) AM_WRITE8(nmi_mask_w, 0xff00)
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AM_RANGE(0x378, 0x37b) AM_WRITE8(printer_w, 0xffff)
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AM_RANGE(0x3b0, 0x3df) AM_WRITE8(iga_w, 0xffff)
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AM_RANGE(0x3f2, 0x3f3) AM_DEVWRITE8(PC_FDC_XT_TAG, pc_fdc_xt_device, dor_w, 0x00ff)
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AM_RANGE(0x3f4, 0x3f5) AM_DEVWRITE8(PC_FDC_XT_TAG ":upd765", upd765_family_device, fifo_w, 0xff00)
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AM_RANGE(0x3f8, 0x3ff) AM_DEVWRITE8(INS8250_TAG, ins8250_device, ins8250_w, 0xffff)
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@ -1039,6 +1035,10 @@ static const centronics_interface centronics_intf =
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// isa8bus_interface isabus_intf
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//-------------------------------------------------
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SLOT_INTERFACE_START( pc1640_isa8_cards )
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SLOT_INTERFACE_INTERNAL("iga", ISA8_PC1640_IGA)
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SLOT_INTERFACE_END
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static const isa8bus_interface isabus_intf =
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{
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// interrupts
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@ -1276,9 +1276,6 @@ static MACHINE_CONFIG_START( pc1640, pc1640_state )
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MCFG_CPU_PROGRAM_MAP(pc1640_mem)
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MCFG_CPU_IO_MAP(pc1640_io)
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// video
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MCFG_FRAGMENT_ADD(pc1640_video)
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// sound
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
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@ -1302,6 +1299,8 @@ static MACHINE_CONFIG_START( pc1640, pc1640_state )
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MCFG_ISA8_SLOT_ADD(ISA_BUS_TAG, "isa1", pc_isa8_cards, "wdxt_gen", false)
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MCFG_ISA8_SLOT_ADD(ISA_BUS_TAG, "isa2", pc_isa8_cards, NULL, false)
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MCFG_ISA8_SLOT_ADD(ISA_BUS_TAG, "isa3", pc_isa8_cards, NULL, false)
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MCFG_ISA8_SLOT_ADD(ISA_BUS_TAG, "isa4", pc_isa8_cards, NULL, false)
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MCFG_ISA8_SLOT_ADD(ISA_BUS_TAG, "isa5", pc1640_isa8_cards, "iga", false)
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// internal ram
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MCFG_RAM_ADD(RAM_TAG)
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@ -1374,9 +1373,6 @@ ROM_START( pc1640 )
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ROM_SYSTEM_BIOS( 2, "88xx", "Week ?/1988" )
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ROMX_LOAD( "40044 88xx.ic132", 0x0000, 0x2000, CRC(6090f782) SHA1(e21ae524d5b4d00696d293dbd4fe4d7bca22e277), ROM_SKIP(1) | ROM_BIOS(3) )
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ROMX_LOAD( "40043 88xx.ic129", 0x0001, 0x2000, CRC(9219d0aa) SHA1(dde1a46c8f83e413d7070f1356fc91b9f595a8b6), ROM_SKIP(1) | ROM_BIOS(3) )
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ROM_REGION16_LE( 0x8000, "iga", 0)
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ROM_LOAD( "40100.ic913", 0x0000, 0x8000, CRC(d2d1f1ae) SHA1(98302006ee38a17c09bd75504cc18c0649174e33) ) // 8736 E
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ROM_END
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@ -21,6 +21,7 @@
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#include "machine/serial.h"
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#include "sound/speaker.h"
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#include "video/mc6845.h"
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#include "video/isa_pc1640_iga.h"
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#define I8086_TAG "ic120"
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#define I8087_TAG "ic119"
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@ -35,8 +36,8 @@
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#define CENTRONICS_TAG "centronics"
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#define SPEAKER_TAG "speaker"
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#define ISA_BUS_TAG "isa"
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#define SCREEN_TAG "screen"
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#define RS232_TAG "rs232"
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#define SCREEN_TAG "screen"
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class pc1512_state : public driver_device
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{
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@ -88,7 +89,7 @@ public:
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required_device<mc146818_device> m_rtc;
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required_device<pc_fdc_xt_device> m_fdc;
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required_device<ins8250_device> m_uart;
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required_device<ams40041_device> m_vdu;
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optional_device<ams40041_device> m_vdu;
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required_device<centronics_device> m_centronics;
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required_device<speaker_sound_device> m_speaker;
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required_device<pc1512_keyboard_device> m_kb;
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@ -229,40 +230,16 @@ public:
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virtual void machine_start();
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virtual void machine_reset();
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virtual void video_start();
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UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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DECLARE_READ8_MEMBER( video_ram_r );
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DECLARE_WRITE8_MEMBER( video_ram_w );
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DECLARE_READ8_MEMBER( io_r );
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DECLARE_READ8_MEMBER( iga_r );
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DECLARE_WRITE8_MEMBER( iga_w );
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DECLARE_READ8_MEMBER( printer_r );
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required_ioport m_sw;
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// video state
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int m_opt;
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UINT8 m_egc_ctrl;
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UINT8 m_emcr; // extended mode control register
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UINT8 m_emcrp; // extended mode control register protection read counter
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UINT8 m_sar; // sequencer address register
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UINT8 m_sdr[8]; // sequencer data registers
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UINT8 m_gcar; // graphics controller address register
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UINT8 m_gcdr[16]; // graphics controller data registers
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UINT8 m_crtcar; // CRT controller address register
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UINT8 m_crtcdr[32]; // CRT controller data registers
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UINT8 m_plr; // Plantronics mode register
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};
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// ---------- defined in video/pc1512.c ----------
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MACHINE_CONFIG_EXTERN( pc1512_video );
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// ---------- defined in video/pc1640.c ----------
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MACHINE_CONFIG_EXTERN( pc1640_video );
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#endif
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@ -804,6 +804,7 @@ $(MESSOBJ)/isa.a: \
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$(MESS_VIDEO)/isa_svga_tseng.o \
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$(MESS_VIDEO)/isa_svga_s3.o \
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$(MESS_VIDEO)/s3virge.o \
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$(MESS_VIDEO)/isa_pc1640_iga.o \
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#-------------------------------------------------
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# manufacturer-specific groupings for drivers
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@ -867,7 +868,6 @@ $(MESSOBJ)/amstrad.a: \
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$(MESS_DRIVERS)/pc1512.o \
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$(MESS_MACHINE)/pc1512kb.o \
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$(MESS_VIDEO)/pc1512.o \
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$(MESS_VIDEO)/pc1640.o \
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$(MESS_VIDEO)/nc.o \
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$(MESS_DRIVERS)/nc.o \
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$(MESS_MACHINE)/nc.o \
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@ -1,36 +1,176 @@
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/*
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/**********************************************************************
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TODO:
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Amstrad PC1640 Integrated Graphics Adapter emulation
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- EGA
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- CGA
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- Plantronics
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- Hercules
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- MDA
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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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**********************************************************************
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#include "includes/pc1512.h"
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This display controller is integrated on the PC1640 motherboard
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but wired to the ISA bus, and can be disabled with a DIP switch.
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WD Paradise PEGA 1A 38304B 2116-002 8745AAA JAPAN (84 pin PLCC)
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Single chip multimode EGA video controller with
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integral 6845 CRTC. Provides 100% IBM EGA, CGA,
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MDA, Hercules graphics and Plantronics COLORPLUS*
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compatibility
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**********************************************************************/
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#include "isa_pc1640_iga.h"
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//**************************************************************************
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// CONSTANTS
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// MACROS / CONSTANTS
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//**************************************************************************
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#define LOG 0
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#define SCREEN_TAG "screen"
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#define PEGA1A_TAG "ic910"
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//**************************************************************************
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// VIDEO RAM ACCESS
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type ISA8_PC1640_IGA = &device_creator<isa8_pc1640_iga_device>;
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//-------------------------------------------------
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// ROM( pc1640_iga )
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//-------------------------------------------------
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ROM_START( pc1640_iga )
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ROM_REGION16_LE( 0x8000, "iga", 0)
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ROM_LOAD( "40100.ic913", 0x0000, 0x8000, CRC(d2d1f1ae) SHA1(98302006ee38a17c09bd75504cc18c0649174e33) ) // 8736 E
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ROM_END
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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 *isa8_pc1640_iga_device::device_rom_region() const
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{
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return ROM_NAME( pc1640_iga );
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}
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//-------------------------------------------------
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// mc6845_interface crtc_intf
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//-------------------------------------------------
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static MC6845_UPDATE_ROW( pc1640_update_row )
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{
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}
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static MC6845_INTERFACE( crtc_intf )
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{
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SCREEN_TAG,
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false,
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8,
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NULL,
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pc1640_update_row,
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NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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NULL
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};
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//-------------------------------------------------
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// SCREEN_UPDATE( pc1640_iga )
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//-------------------------------------------------
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UINT32 isa8_pc1640_iga_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
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{
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return 0;
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}
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//-------------------------------------------------
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// MACHINE_DRIVER( pc1640_iga )
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//-------------------------------------------------
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static MACHINE_CONFIG_FRAGMENT( pc1640_iga )
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MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
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MCFG_SCREEN_UPDATE_DEVICE(DEVICE_SELF, isa8_pc1640_iga_device, screen_update)
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MCFG_SCREEN_SIZE(80*8, 25*8)
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MCFG_SCREEN_VISIBLE_AREA(0, 80*8-1, 0, 25*8-1)
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MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_PALETTE_LENGTH(64)
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MCFG_MC6845_ADD(PEGA1A_TAG, AMS40041, XTAL_28_63636MHz/32, crtc_intf)
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MACHINE_CONFIG_END
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//-------------------------------------------------
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// machine_config_additions - device-specific
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// machine configurations
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//-------------------------------------------------
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machine_config_constructor isa8_pc1640_iga_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( pc1640_iga );
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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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// isa8_pc1640_iga_device - constructor
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//-------------------------------------------------
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isa8_pc1640_iga_device::isa8_pc1640_iga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, ISA8_PC1640_IGA, "Amstrad PC1640 IGA", tag, owner, clock, "pc1640_iga", __FILE__),
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device_isa8_card_interface(mconfig, *this),
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m_vdu(*this, PEGA1A_TAG),
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m_video_ram(*this, "video_ram")
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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 isa8_pc1640_iga_device::device_start()
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{
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set_isa_device();
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m_isa->install_rom(this, 0xc0000, 0xc7fff, 0, 0, "iga", "iga");
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m_isa->install_memory(0xa0000, 0xbffff, 0, 0, READ8_DELEGATE(isa8_pc1640_iga_device, video_ram_r), WRITE8_DELEGATE(isa8_pc1640_iga_device, video_ram_w));
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m_isa->install_device(0x3b0, 0x3df, 0, 0, READ8_DELEGATE(isa8_pc1640_iga_device, iga_r), WRITE8_DELEGATE(isa8_pc1640_iga_device, iga_w));
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// allocate memory
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m_video_ram.allocate(0x20000);
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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 isa8_pc1640_iga_device::device_reset()
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{
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}
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//-------------------------------------------------
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// video_ram_r -
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//-------------------------------------------------
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READ8_MEMBER( pc1640_state::video_ram_r )
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READ8_MEMBER( isa8_pc1640_iga_device::video_ram_r )
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{
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UINT8 data = 0;
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@ -47,7 +187,7 @@ READ8_MEMBER( pc1640_state::video_ram_r )
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// video_ram_w -
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//-------------------------------------------------
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WRITE8_MEMBER( pc1640_state::video_ram_w )
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WRITE8_MEMBER( isa8_pc1640_iga_device::video_ram_w )
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{
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if (BIT(m_egc_ctrl, 1))
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{
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@ -60,7 +200,7 @@ WRITE8_MEMBER( pc1640_state::video_ram_w )
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// iga_r -
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//-------------------------------------------------
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READ8_MEMBER( pc1640_state::iga_r )
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READ8_MEMBER( isa8_pc1640_iga_device::iga_r )
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{
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UINT8 data = 0;
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@ -128,7 +268,7 @@ READ8_MEMBER( pc1640_state::iga_r )
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*/
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// switch sense
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data |= BIT(m_sw->read(), ((m_egc_ctrl >> 2) & 0x03) ^ 0x03);
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//data |= BIT(m_sw->read(), ((m_egc_ctrl >> 2) & 0x03) ^ 0x03);
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break;
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case 0x15: // Sequencer Data Register
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@ -183,7 +323,7 @@ READ8_MEMBER( pc1640_state::iga_r )
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// iga_w -
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//-------------------------------------------------
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WRITE8_MEMBER( pc1640_state::iga_w )
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WRITE8_MEMBER( isa8_pc1640_iga_device::iga_w )
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{
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//logerror("IGA write %03x:%02x\n", offset+0x3b0, data);
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@ -337,66 +477,3 @@ WRITE8_MEMBER( pc1640_state::iga_w )
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break;
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}
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}
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//-------------------------------------------------
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// mc6845_interface crtc_intf
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//-------------------------------------------------
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static MC6845_UPDATE_ROW( pc1640_update_row )
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{
|
||||
}
|
||||
|
||||
static MC6845_INTERFACE( crtc_intf )
|
||||
{
|
||||
SCREEN_TAG,
|
||||
false,
|
||||
8,
|
||||
NULL,
|
||||
pc1640_update_row,
|
||||
NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
NULL
|
||||
};
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// VIDEO_START( pc1640 )s
|
||||
//-------------------------------------------------
|
||||
|
||||
void pc1640_state::video_start()
|
||||
{
|
||||
// allocate memory
|
||||
m_video_ram.allocate(0x20000);
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// SCREEN_UPDATE( pc1640 )
|
||||
//-------------------------------------------------
|
||||
|
||||
UINT32 pc1640_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// MACHINE_CONFIG( pc1640 )
|
||||
//-------------------------------------------------
|
||||
|
||||
MACHINE_CONFIG_FRAGMENT( pc1640_video )
|
||||
MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
|
||||
MCFG_SCREEN_UPDATE_DRIVER(pc1640_state, screen_update)
|
||||
MCFG_SCREEN_SIZE(80*8, 25*8)
|
||||
MCFG_SCREEN_VISIBLE_AREA(0, 80*8-1, 0, 25*8-1)
|
||||
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
|
||||
MCFG_SCREEN_REFRESH_RATE(60)
|
||||
|
||||
MCFG_PALETTE_LENGTH(64)
|
||||
|
||||
MCFG_MC6845_ADD(AMS40041_TAG, AMS40041, XTAL_28_63636MHz/32, crtc_intf)
|
||||
MACHINE_CONFIG_END
|
||||
73
src/mess/video/isa_pc1640_iga.h
Normal file
73
src/mess/video/isa_pc1640_iga.h
Normal file
@ -0,0 +1,73 @@
|
||||
/**********************************************************************
|
||||
|
||||
Amstrad PC1640 Integrated Graphics Adapter emulation
|
||||
|
||||
Copyright MESS Team.
|
||||
Visit http://mamedev.org for licensing and usage restrictions.
|
||||
|
||||
**********************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __ISA8_PC1640_IGA__
|
||||
#define __ISA8_PC1640_IGA__
|
||||
|
||||
#include "emu.h"
|
||||
#include "machine/isa.h"
|
||||
#include "video/mc6845.h"
|
||||
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> isa8_pc1640_iga_device
|
||||
|
||||
class isa8_pc1640_iga_device : public device_t,
|
||||
public device_isa8_card_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
isa8_pc1640_iga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
// optional information overrides
|
||||
virtual machine_config_constructor device_mconfig_additions() const;
|
||||
virtual const rom_entry *device_rom_region() const;
|
||||
|
||||
DECLARE_READ8_MEMBER( video_ram_r );
|
||||
DECLARE_WRITE8_MEMBER( video_ram_w );
|
||||
DECLARE_READ8_MEMBER( iga_r );
|
||||
DECLARE_WRITE8_MEMBER( iga_w );
|
||||
|
||||
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start();
|
||||
virtual void device_reset();
|
||||
|
||||
private:
|
||||
required_device<ams40041_device> m_vdu;
|
||||
optional_shared_ptr<UINT8> m_video_ram;
|
||||
|
||||
int m_lpen;
|
||||
UINT8 m_egc_ctrl;
|
||||
UINT8 m_emcr; // extended mode control register
|
||||
UINT8 m_emcrp; // extended mode control register protection read counter
|
||||
UINT8 m_sar; // sequencer address register
|
||||
UINT8 m_sdr[8]; // sequencer data registers
|
||||
UINT8 m_gcar; // graphics controller address register
|
||||
UINT8 m_gcdr[16]; // graphics controller data registers
|
||||
UINT8 m_crtcar; // CRT controller address register
|
||||
UINT8 m_crtcdr[32]; // CRT controller data registers
|
||||
UINT8 m_plr; // Plantronics mode register
|
||||
};
|
||||
|
||||
|
||||
// device type definition
|
||||
extern const device_type ISA8_PC1640_IGA;
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user