diff options
| author | 2012-10-28 02:36:58 +0000 | |
|---|---|---|
| committer | 2012-10-28 02:36:58 +0000 | |
| commit | f5d08006f09c4593dbd59022b22b7f1e3c430cf2 (patch) | |
| tree | 43e8bcf922b241075f70c9d0256bb2a4f72f185a /src | |
| parent | 01195c47e2ce2ecf0acb03dfb881b8e5a82a4005 (diff) | |
(MESS) Mac: Preliminary support for Micron XCEED 30HR and MacroColor 30 PDS cards [R. Belmont, Sharkpuncher, Balrog]
Diffstat (limited to 'src')
| -rw-r--r-- | src/mess/drivers/mac.c | 4 | ||||
| -rw-r--r-- | src/mess/mess.mak | 2 | ||||
| -rw-r--r-- | src/mess/video/pds30_30hr.c | 321 | ||||
| -rw-r--r-- | src/mess/video/pds30_30hr.h | 53 | ||||
| -rw-r--r-- | src/mess/video/pds30_mc30.c | 338 | ||||
| -rw-r--r-- | src/mess/video/pds30_mc30.h | 53 |
6 files changed, 771 insertions, 0 deletions
diff --git a/src/mess/drivers/mac.c b/src/mess/drivers/mac.c index 1f310d79d91..74ea910e363 100644 --- a/src/mess/drivers/mac.c +++ b/src/mess/drivers/mac.c @@ -72,6 +72,8 @@ #include "video/pds30_cb264.h" #include "video/pds30_procolor816.h" #include "video/pds30_sigmalview.h" +#include "video/pds30_30hr.h" +#include "video/pds30_mc30.h" #include "includes/mac.h" #include "mac.lh" @@ -865,6 +867,8 @@ static SLOT_INTERFACE_START(mac_pds030_cards) SLOT_INTERFACE("cb264", PDS030_CB264SE30) // RasterOps Colorboard 264/SE30 SLOT_INTERFACE("pc816", PDS030_PROCOLOR816) // Lapis ProColor Server 8*16 PDS SLOT_INTERFACE("lview", PDS030_LVIEW) // Sigma Designs L-View + SLOT_INTERFACE("30hr", PDS030_XCEED30HR) // Micron/XCEED Technology Color 30HR + SLOT_INTERFACE("mc30", PDS030_XCEEDMC30) // Micron/XCEED Technology MacroColor 30 SLOT_INTERFACE_END /*************************************************************************** diff --git a/src/mess/mess.mak b/src/mess/mess.mak index cd69e1fdec3..fa58a2e7792 100644 --- a/src/mess/mess.mak +++ b/src/mess/mess.mak @@ -712,6 +712,8 @@ $(MESSOBJ)/apple.a: \ $(MESS_VIDEO)/pds30_cb264.o \ $(MESS_VIDEO)/pds30_procolor816.o \ $(MESS_VIDEO)/pds30_sigmalview.o \ + $(MESS_VIDEO)/pds30_30hr.o \ + $(MESS_VIDEO)/pds30_mc30.o \ $(MESSOBJ)/applied.a: \ $(MESS_VIDEO)/mbee.o \ diff --git a/src/mess/video/pds30_30hr.c b/src/mess/video/pds30_30hr.c new file mode 100644 index 00000000000..3e231c2d947 --- /dev/null +++ b/src/mess/video/pds30_30hr.c @@ -0,0 +1,321 @@ +/*************************************************************************** + + Micron/XCEED Technologies Color 30HR + + Fs800000 - Mode A + FsA00000 - Mode B + FsC00000 - RAMDAC write offset + FsC00004 - RAMDAC write data + FsC00008 - RAMDAC write mask + FsC0000C - RAMDAC read offset + +***************************************************************************/ + +#include "emu.h" +#include "video/pds30_30hr.h" + +#define XCEED30HR_SCREEN_NAME "x30hr_screen" +#define XCEED30HR_ROM_REGION "x30hr_rom" + +#define VRAM_SIZE (0x100000) // 1 MB VRAM - max mode is 1024x768 @ 8bpp + +MACHINE_CONFIG_FRAGMENT( xceed30hr ) + MCFG_SCREEN_ADD( XCEED30HR_SCREEN_NAME, RASTER) + MCFG_SCREEN_UPDATE_DEVICE(DEVICE_SELF, nubus_xceed30hr_device, screen_update) + MCFG_SCREEN_RAW_PARAMS(25175000, 800, 0, 640, 525, 0, 480) + MCFG_SCREEN_SIZE(1024,768) + MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) +MACHINE_CONFIG_END + +ROM_START( xceed30hr ) + ROM_REGION(0x8000, XCEED30HR_ROM_REGION, 0) + ROM_LOAD( "369c.rom", 0x000000, 0x008000, CRC(b22f0a89) SHA1(be34c8604b8a1ae9c9f3b0b90faba9a1a64a5855) ) +ROM_END + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type PDS030_XCEED30HR = &device_creator<nubus_xceed30hr_device>; + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor nubus_xceed30hr_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( xceed30hr ); +} + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *nubus_xceed30hr_device::device_rom_region() const +{ + return ROM_NAME( xceed30hr ); +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// nubus_xceed30hr_device - constructor +//------------------------------------------------- + +nubus_xceed30hr_device::nubus_xceed30hr_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, PDS030_XCEED30HR, "Micron/XCEED Technology Color 30HR", tag, owner, clock), + device_nubus_card_interface(mconfig, *this) +{ + m_shortname = "pd3_30hr"; +} + +nubus_xceed30hr_device::nubus_xceed30hr_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, type, name, tag, owner, clock), + device_nubus_card_interface(mconfig, *this) +{ + m_shortname = "pd3_30hr"; +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void nubus_xceed30hr_device::device_start() +{ + UINT32 slotspace; + + // set_nubus_device makes m_slot valid + set_nubus_device(); + install_declaration_rom(this, XCEED30HR_ROM_REGION); + + slotspace = get_slotspace(); + +// printf("[xceed30hr %p] slotspace = %x\n", this, slotspace); + + m_vram = auto_alloc_array(machine(), UINT8, VRAM_SIZE); + m_vram32 = (UINT32 *)m_vram; + + m_nubus->install_device(slotspace, slotspace+VRAM_SIZE-1, read32_delegate(FUNC(nubus_xceed30hr_device::vram_r), this), write32_delegate(FUNC(nubus_xceed30hr_device::vram_w), this)); + m_nubus->install_device(slotspace+0x800000, slotspace+0xefffff, read32_delegate(FUNC(nubus_xceed30hr_device::xceed30hr_r), this), write32_delegate(FUNC(nubus_xceed30hr_device::xceed30hr_w), this)); + + m_timer = timer_alloc(0, NULL); + m_screen = NULL; // can we look this up now? +} + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void nubus_xceed30hr_device::device_reset() +{ + m_count = 0; + m_clutoffs = 0; + m_vbl_disable = 1; + m_mode = 0; + memset(m_vram, 0, VRAM_SIZE); + memset(m_palette, 0, sizeof(m_palette)); + + m_palette[0] = MAKE_RGB(255, 255, 255); + m_palette[0x80] = MAKE_RGB(0, 0, 0); +} + + +void nubus_xceed30hr_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr) +{ + if (!m_vbl_disable) + { + raise_slot_irq(); + } + + m_timer->adjust(m_screen->time_until_pos(479, 0), 0); +} + +/*************************************************************************** + + CB264 section + +***************************************************************************/ + +UINT32 nubus_xceed30hr_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + UINT32 *scanline; + int x, y; + UINT8 pixels, *vram; + + // first time? kick off the VBL timer + if (!m_screen) + { + m_screen = &screen; + m_timer->adjust(m_screen->time_until_pos(479, 0), 0); + } + + vram = m_vram + 1024; + + switch (m_mode) + { + case 0: // 1 bpp? + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + for (x = 0; x < 640/8; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + + *scanline++ = m_palette[(pixels>>7)&1]; + *scanline++ = m_palette[(pixels>>6)&1]; + *scanline++ = m_palette[(pixels>>5)&1]; + *scanline++ = m_palette[(pixels>>4)&1]; + *scanline++ = m_palette[(pixels>>3)&1]; + *scanline++ = m_palette[(pixels>>2)&1]; + *scanline++ = m_palette[(pixels>>1)&1]; + *scanline++ = m_palette[pixels&1]; + } + } + break; + + case 1: // 2 bpp + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + for (x = 0; x < 640/4; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + + *scanline++ = m_palette[((pixels>>6)&3)]; + *scanline++ = m_palette[((pixels>>4)&3)]; + *scanline++ = m_palette[((pixels>>2)&3)]; + *scanline++ = m_palette[(pixels&3)]; + } + } + break; + + case 2: // 4 bpp + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + + for (x = 0; x < 640/2; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + + *scanline++ = m_palette[(pixels>>4)]; + *scanline++ = m_palette[(pixels&0xf)]; + } + } + break; + + case 3: // 8 bpp + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + + for (x = 0; x < 640; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + *scanline++ = m_palette[pixels]; + } + } + break; + + default: + fatalerror("xceed30hr: unknown video mode %d\n", m_mode); + break; + } + return 0; +} + +WRITE32_MEMBER( nubus_xceed30hr_device::xceed30hr_w ) +{ + switch (offset) + { + case 0x80000: // mode + switch (data & 0xff000000) + { + case 0xfc000000: + m_mode = 0; + break; + + case 0xfd000000: + m_mode = 1; + break; + + case 0xfe000000: + m_mode = 2; + break; + + case 0xff000000: + m_mode = 3; + break; + } + break; + + case 0x80005: // ack VBL + lower_slot_irq(); + break; + + case 0x100000: +// printf("%08x to DAC control (PC=%x)\n", data, space.device().safe_pc()); + m_clutoffs = (data&0xff); + m_count = 0; + break; + + case 0x100001: +// printf("%08x to DAC data (PC=%x)\n", data, space.device().safe_pc()); + m_colors[m_count++] = (data & 0xff); + + if (m_count == 3) + { +// printf("RAMDAC: color %02x = %02x %02x %02x (PC=%x)\n", m_clutoffs, m_colors[0], m_colors[1], m_colors[2], space.device().safe_pc() ); + m_palette[m_clutoffs] = MAKE_RGB(m_colors[0], m_colors[1], m_colors[2]); + m_clutoffs++; + if (m_clutoffs > 255) + { + m_clutoffs = 0; + } + m_count = 0; + } + break; + + case 0x100002: // VBL control + if (data & 0x06000000) + { + m_vbl_disable = 0; + lower_slot_irq(); + } + else + { + m_vbl_disable = 1; + } + break; + + default: + printf("xceed30hr_w: %08x @ %x, mask %08x (PC=%x)\n", data, offset, mem_mask, space.device().safe_pc()); + break; + } +} + +READ32_MEMBER( nubus_xceed30hr_device::xceed30hr_r ) +{ +// printf("xceed30hr_r: @ %x, mask %08x [PC=%x]\n", offset, mem_mask, machine().device("maincpu")->safe_pc()); + if (offset == 0x80008) + { + m_toggle ^= 0x80; + return m_toggle | 0x33333333; + } + + return 0; +} + +WRITE32_MEMBER( nubus_xceed30hr_device::vram_w ) +{ + COMBINE_DATA(&m_vram32[offset]); +} + +READ32_MEMBER( nubus_xceed30hr_device::vram_r ) +{ + return m_vram32[offset]; +} diff --git a/src/mess/video/pds30_30hr.h b/src/mess/video/pds30_30hr.h new file mode 100644 index 00000000000..00ebd0f6b9f --- /dev/null +++ b/src/mess/video/pds30_30hr.h @@ -0,0 +1,53 @@ +#pragma once + +#ifndef __NUBUS_XCEED30HR_H__ +#define __NUBUS_XCEED30HR_H__ + +#include "emu.h" +#include "machine/nubus.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> nubus_xceed30hr_device + +class nubus_xceed30hr_device : + public device_t, + public device_nubus_card_interface +{ +public: + // construction/destruction + nubus_xceed30hr_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + nubus_xceed30hr_device(const machine_config &mconfig, device_type type, const char *name, 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; + + UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + + DECLARE_READ32_MEMBER(xceed30hr_r); + DECLARE_WRITE32_MEMBER(xceed30hr_w); + DECLARE_READ32_MEMBER(vram_r); + DECLARE_WRITE32_MEMBER(vram_w); + +public: + UINT8 *m_vram; + UINT32 *m_vram32; + UINT32 m_mode, m_vbl_disable, m_toggle; + UINT32 m_palette[256], m_colors[3], m_count, m_clutoffs; + screen_device *m_screen; + emu_timer *m_timer; +}; + + +// device type definition +extern const device_type PDS030_XCEED30HR; + +#endif /* __NUBUS_XCEED30HR_H__ */ diff --git a/src/mess/video/pds30_mc30.c b/src/mess/video/pds30_mc30.c new file mode 100644 index 00000000000..374dac51852 --- /dev/null +++ b/src/mess/video/pds30_mc30.c @@ -0,0 +1,338 @@ +/*************************************************************************** + + Micron/XCEED Technologies MacroColor 30 + + Similar to the 30HR, but registers are rearranged and 24bpp support + was added. + +***************************************************************************/ + +#include "emu.h" +#include "video/pds30_mc30.h" + +#define XCEEDMC30_SCREEN_NAME "x30hr_screen" +#define XCEEDMC30_ROM_REGION "x30hr_rom" + +#define VRAM_SIZE (0x200000) // 16 42C4256 256Kx4 VRAMs on the board = 2MB + +MACHINE_CONFIG_FRAGMENT( xceedmc30 ) + MCFG_SCREEN_ADD( XCEEDMC30_SCREEN_NAME, RASTER) + MCFG_SCREEN_UPDATE_DEVICE(DEVICE_SELF, nubus_xceedmc30_device, screen_update) + MCFG_SCREEN_RAW_PARAMS(25175000, 800, 0, 640, 525, 0, 480) + MCFG_SCREEN_SIZE(1024,768) + MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) +MACHINE_CONFIG_END + +ROM_START( xceedmc30 ) + ROM_REGION(0x8000, XCEEDMC30_ROM_REGION, 0) + ROM_LOAD( "0390.bin", 0x000000, 0x008000, CRC(adea7a18) SHA1(9141eb1a0e5061e0409d65a89b4eaeb119ee4ffb) ) +ROM_END + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type PDS030_XCEEDMC30 = &device_creator<nubus_xceedmc30_device>; + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor nubus_xceedmc30_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( xceedmc30 ); +} + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *nubus_xceedmc30_device::device_rom_region() const +{ + return ROM_NAME( xceedmc30 ); +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// nubus_xceedmc30_device - constructor +//------------------------------------------------- + +nubus_xceedmc30_device::nubus_xceedmc30_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, PDS030_XCEEDMC30, "Micron/XCEED Technology MacroColor 30", tag, owner, clock), + device_nubus_card_interface(mconfig, *this) +{ + m_shortname = "pd3_mclr"; +} + +nubus_xceedmc30_device::nubus_xceedmc30_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, type, name, tag, owner, clock), + device_nubus_card_interface(mconfig, *this) +{ + m_shortname = "pd3_mclr"; +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void nubus_xceedmc30_device::device_start() +{ + UINT32 slotspace; + + // set_nubus_device makes m_slot valid + set_nubus_device(); + install_declaration_rom(this, XCEEDMC30_ROM_REGION); + + slotspace = get_slotspace(); + +// printf("[xceedmc30 %p] slotspace = %x\n", this, slotspace); + + m_vram = auto_alloc_array(machine(), UINT8, VRAM_SIZE); + m_vram32 = (UINT32 *)m_vram; + + m_nubus->install_device(slotspace, slotspace+VRAM_SIZE-1, read32_delegate(FUNC(nubus_xceedmc30_device::vram_r), this), write32_delegate(FUNC(nubus_xceedmc30_device::vram_w), this)); + m_nubus->install_device(slotspace+0x800000, slotspace+0xefffff, read32_delegate(FUNC(nubus_xceedmc30_device::xceedmc30_r), this), write32_delegate(FUNC(nubus_xceedmc30_device::xceedmc30_w), this)); + + m_timer = timer_alloc(0, NULL); + m_screen = NULL; // can we look this up now? +} + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void nubus_xceedmc30_device::device_reset() +{ + m_count = 0; + m_clutoffs = 0; + m_vbl_disable = 1; + m_mode = 0; + memset(m_vram, 0, VRAM_SIZE); + memset(m_palette, 0, sizeof(m_palette)); + + m_palette[0] = MAKE_RGB(255, 255, 255); + m_palette[0x80] = MAKE_RGB(0, 0, 0); +} + + +void nubus_xceedmc30_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr) +{ + if (!m_vbl_disable) + { + raise_slot_irq(); + } + + m_timer->adjust(m_screen->time_until_pos(479, 0), 0); +} + +/*************************************************************************** + + CB264 section + +***************************************************************************/ + +UINT32 nubus_xceedmc30_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + UINT32 *scanline; + int x, y; + UINT8 pixels, *vram; + + // first time? kick off the VBL timer + if (!m_screen) + { + m_screen = &screen; + m_timer->adjust(m_screen->time_until_pos(479, 0), 0); + } + + vram = m_vram + (4*1024); + + switch (m_mode) + { + case 0: // 1 bpp? + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + for (x = 0; x < 640/8; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + + *scanline++ = m_palette[(pixels>>7)&1]; + *scanline++ = m_palette[(pixels>>6)&1]; + *scanline++ = m_palette[(pixels>>5)&1]; + *scanline++ = m_palette[(pixels>>4)&1]; + *scanline++ = m_palette[(pixels>>3)&1]; + *scanline++ = m_palette[(pixels>>2)&1]; + *scanline++ = m_palette[(pixels>>1)&1]; + *scanline++ = m_palette[pixels&1]; + } + } + break; + + case 1: // 2 bpp + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + for (x = 0; x < 640/4; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + + *scanline++ = m_palette[((pixels>>6)&3)]; + *scanline++ = m_palette[((pixels>>4)&3)]; + *scanline++ = m_palette[((pixels>>2)&3)]; + *scanline++ = m_palette[(pixels&3)]; + } + } + break; + + case 2: // 4 bpp + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + + for (x = 0; x < 640/2; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + + *scanline++ = m_palette[(pixels>>4)]; + *scanline++ = m_palette[(pixels&0xf)]; + } + } + break; + + case 3: // 8 bpp + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + + for (x = 0; x < 640; x++) + { + pixels = vram[(y * 1024) + (BYTE4_XOR_BE(x))]; + *scanline++ = m_palette[pixels]; + } + } + break; + + case 4: // 24 bpp + { + UINT32 *vram32 = (UINT32 *)vram; + UINT32 *base; + + for (y = 0; y < 480; y++) + { + scanline = &bitmap.pix32(y); + base = &vram32[y * 1024]; + for (x = 0; x < 640; x++) + { + *scanline++ = *base++; + } + } + } + break; + + default: + fatalerror("xceedmc30: unknown video mode %d\n", m_mode); + break; + } + return 0; +} + +WRITE32_MEMBER( nubus_xceedmc30_device::xceedmc30_w ) +{ + switch (offset) + { + case 0x80000: // mode + switch (data & 0xff000000) + { + case 0xfb000000: + m_mode = 0; + break; + + case 0xfa000000: + m_mode = 1; + break; + + case 0xf9000000: + m_mode = 2; + break; + + case 0xf8000000: + m_mode = 3; + break; + + case 0xff000000: + m_mode = 4; + break; + } + break; + + case 0x80005: // ack VBL + lower_slot_irq(); + break; + + case 0x100000: +// printf("%08x to DAC control (PC=%x)\n", data, space.device().safe_pc()); + m_clutoffs = (data&0xff); + m_count = 0; + break; + + case 0x100001: +// printf("%08x to DAC data (PC=%x)\n", data, space.device().safe_pc()); + m_colors[m_count++] = ((data>>24) & 0xff); + + if (m_count == 3) + { +// printf("RAMDAC: color %02x = %02x %02x %02x (PC=%x)\n", m_clutoffs, m_colors[0], m_colors[1], m_colors[2], space.device().safe_pc() ); + m_palette[m_clutoffs] = MAKE_RGB(m_colors[0], m_colors[1], m_colors[2]); + m_clutoffs++; + if (m_clutoffs > 255) + { + m_clutoffs = 0; + } + m_count = 0; + } + break; + + case 0x80002: // VBL control + if (data == 0xdcef0000) + { + m_vbl_disable = 0; + lower_slot_irq(); + } + else + { + m_vbl_disable = 1; + } + break; + + default: +// printf("xceedmc30_w: %08x @ %x, mask %08x (PC=%x)\n", data, offset, mem_mask, space.device().safe_pc()); + break; + } +} + +READ32_MEMBER( nubus_xceedmc30_device::xceedmc30_r ) +{ +// printf("xceedmc30_r: @ %x, mask %08x [PC=%x]\n", offset, mem_mask, machine().device("maincpu")->safe_pc()); + if (offset == 0x80008) + { + m_toggle ^= 0x04; + return m_toggle; + } + + return 0; +} + +WRITE32_MEMBER( nubus_xceedmc30_device::vram_w ) +{ + COMBINE_DATA(&m_vram32[offset]); +} + +READ32_MEMBER( nubus_xceedmc30_device::vram_r ) +{ + return m_vram32[offset]; +} diff --git a/src/mess/video/pds30_mc30.h b/src/mess/video/pds30_mc30.h new file mode 100644 index 00000000000..ae59619512c --- /dev/null +++ b/src/mess/video/pds30_mc30.h @@ -0,0 +1,53 @@ +#pragma once + +#ifndef __NUBUS_XCEEDMC30_H__ +#define __NUBUS_XCEEDMC30_H__ + +#include "emu.h" +#include "machine/nubus.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> nubus_xceedmc30_device + +class nubus_xceedmc30_device : + public device_t, + public device_nubus_card_interface +{ +public: + // construction/destruction + nubus_xceedmc30_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + nubus_xceedmc30_device(const machine_config &mconfig, device_type type, const char *name, 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; + + UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + + DECLARE_READ32_MEMBER(xceedmc30_r); + DECLARE_WRITE32_MEMBER(xceedmc30_w); + DECLARE_READ32_MEMBER(vram_r); + DECLARE_WRITE32_MEMBER(vram_w); + +public: + UINT8 *m_vram; + UINT32 *m_vram32; + UINT32 m_mode, m_vbl_disable, m_toggle; + UINT32 m_palette[256], m_colors[3], m_count, m_clutoffs; + screen_device *m_screen; + emu_timer *m_timer; +}; + + +// device type definition +extern const device_type PDS030_XCEEDMC30; + +#endif /* __NUBUS_XCEEDMC30_H__ */ |
