diff options
Diffstat (limited to 'trunk/src/mame/drivers/calchase.c')
-rw-r--r-- | trunk/src/mame/drivers/calchase.c | 986 |
1 files changed, 986 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/calchase.c b/trunk/src/mame/drivers/calchase.c new file mode 100644 index 00000000000..285d54b9cac --- /dev/null +++ b/trunk/src/mame/drivers/calchase.c @@ -0,0 +1,986 @@ +/************************************************************************************ + +California Chase (c) 1999 The Game Room + +preliminary driver by Angelo Salese & Grull Osgo + +TODO: +- get Win 98 to boot; +- Various graphics bugs (title screen uses ROZ?); +- fix 129 Hz refresh rate bug; +- inputs (is there a service mode?) + +I/O Memo (http://bochs.sourceforge.net/techspec/PORTS.LST): +46E8 ---- 8514/A and compatible video cards (e.g. ATI Graphics Ultra) +46E8 w ROM page select +83C0-83CF ---- Compaq QVision - Line Draw Engine +83C4 ---- Compaq Qvision EISA - Virtual Controller Select +83C6-83C9 ---- Compaq Qvision EISA - DAC color registers + +43c4 is a 83c4 mirror? + +===================================================================================== + +California Chase +The Game Room, 1999 + +This is a rip off of Chase HQ running on PC hardware +and standard 15kHz arcade monitor + +Main board is a cheap Taiwanese one made by SOYO. +Model SY-5EAS +Major main board chips are.... +Cyrix 686MX-PR200 CPU +1M BIOS (Winbond 29C011) +64M RAM (2x 32M 72 pin SIMMs) +ETEQ EQ82C6617'97 MB817A0AG12 (QFP100, x2) +UT6164C32Q-6 (QFP100, x2) +ETEQ 82C6619'97 MB13J15001 (QFP208) +ETEQ 82C6618'97 MB14B10971 (QFP208) +UM61256 +PLL52C61 +SMC FD37C669QF (QFP100) +3V coin battery +3x PCI slots +4x 16-bit ISA slots +4x 72 pin RAM slots +connectors for COM1, COM2, LPT1, IDE0, IDE1, floppy etc +uses standard AT PSU + +Video card is Trident TGUI9680 with 512k on-board VRAM +RAM is AS4C256K16EO-50JC (x2) +Trident BIOS V5.5 (DIP28). Actual size unknown, dumped as 64k, 128k, 256k and 512k (can only be one of these sizes) +6.5536MHz xtal + +Custom JAMMA I/O board plugs into one ISA slot +Major components are... +XILINX XC3042 +Dallas DS1220Y NVRAM (dumped) +MACH210 (protected) +16MHz OSC +VGA connector (tied to VGA card with a cable) +2x 4-pin connectors for controls +AD7547 +ULN2803 +LM324 (op amp) +TDA1552 (power amp) +ST TS272 (dual op amp) +2 volume pots +power input connector (from AT PSU) +JAMMA edge connector +ISA edge connector + +HDD is WD Caviar 2170. C/H/S = 1010/6/55. Capacity = 170.6MB +The HDD is DOS-readable and in fact the OS is just Windows 98 DOS and can +be easily copied. Tested with another HDD.... formatted with DOS, copied +all files across to new HDD, boots up fine. + +************************************************************************************/ +/* +Grull Osgo - Improvements + +-Changes about BIOS memory management so ROM Shadow now works properly. + The changes are: + Rom Memory Map remmapped to 128K size AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) + +-Changes in mtxc write handler and bios_ram write handler. Now The internal register access are +compatible with chipset VIA. + (this motherboard has VIA Apollo VXPro chipset. It is not compatible with Intel i430). + With this changes now BIOS Shadow ram works fine, BIOS can relocate and decompress the full code + necesary to run the Extended Bios, POST and Boot). No more BIOS Checksum error. + +- Suppressed all video related items wich will be replaced with VGA driver. + +- Temporarily added a VGA driver that is working based on original IBM VGA BIOS.(From MESS) + (This VGA driver doesn't work yet with TRIDENT VGA BIOS as I can see). + +- Added the flag READONLY to the calchase imagen rom load function, to avoid + "DIFF CHD ERROR". + +- Minor changes and NOPS into address maps for debugging purposes. + +- Now Bios is looking for the disk (BIOS Auto detection). It seems all works fine but must be there +something wrong in the disk geometry reported by calchase.chd (20,255,63) since BIOS does not accept + 255 heads as parameter. Perhaps a bad dump? + + TODO: A lot of work to do yet!!! + */ + + +#include "emu.h" +#include "cpu/i386/i386.h" +#include "memconv.h" +#include "devconv.h" +#include "machine/8237dma.h" +#include "machine/pic8259.h" +#include "machine/pit8253.h" +#include "machine/mc146818.h" +#include "machine/pcshare.h" +#include "machine/pci.h" +#include "machine/8042kbdc.h" +#include "machine/pckeybrd.h" +#include "machine/idectrl.h" +#include "video/pc_vga.h" +#include "sound/dac.h" + + +class calchase_state : public driver_device +{ +public: + calchase_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu") + { } + + UINT32 *m_bios_ram; + int m_dma_channel; + UINT8 m_dma_offset[2][4]; + UINT8 m_at_pages[0x10]; + UINT8 m_mxtc_config_reg[256]; + UINT8 m_piix4_config_reg[4][256]; + + device_t *m_pit8254; + device_t *m_pic8259_1; + device_t *m_pic8259_2; + device_t *m_dma8237_1; + device_t *m_dma8237_2; + + UINT32 m_idle_skip_ram; + required_device<cpu_device> m_maincpu; + DECLARE_READ8_MEMBER(at_page8_r); + DECLARE_WRITE8_MEMBER(at_page8_w); + DECLARE_READ8_MEMBER(pc_dma_read_byte); + DECLARE_WRITE8_MEMBER(pc_dma_write_byte); + DECLARE_WRITE32_MEMBER(bios_ram_w); + DECLARE_READ16_MEMBER(calchase_iocard1_r); + DECLARE_READ16_MEMBER(calchase_iocard2_r); + DECLARE_READ16_MEMBER(calchase_iocard3_r); + DECLARE_READ16_MEMBER(calchase_iocard4_r); + DECLARE_READ16_MEMBER(calchase_iocard5_r); + DECLARE_READ32_MEMBER(calchase_idle_skip_r); + DECLARE_WRITE32_MEMBER(calchase_idle_skip_w); +}; + + +static void ide_interrupt(device_t *device, int state); + + +static READ8_DEVICE_HANDLER(at_dma8237_2_r) +{ + return i8237_r(device, offset / 2); +} + +static WRITE8_DEVICE_HANDLER(at_dma8237_2_w) +{ + i8237_w(device, offset / 2, data); +} + +static READ32_DEVICE_HANDLER(at32_dma8237_2_r) +{ + return read32le_with_read8_device_handler(at_dma8237_2_r, device, offset, mem_mask); +} + +static WRITE32_DEVICE_HANDLER(at32_dma8237_2_w) +{ + write32le_with_write8_device_handler(at_dma8237_2_w, device, offset, data, mem_mask); +} + + + +READ8_MEMBER(calchase_state::at_page8_r) +{ + UINT8 data = m_at_pages[offset % 0x10]; + + switch(offset % 8) { + case 1: + data = m_dma_offset[(offset / 8) & 1][2]; + break; + case 2: + data = m_dma_offset[(offset / 8) & 1][3]; + break; + case 3: + data = m_dma_offset[(offset / 8) & 1][1]; + break; + case 7: + data = m_dma_offset[(offset / 8) & 1][0]; + break; + } + return data; +} + + +WRITE8_MEMBER(calchase_state::at_page8_w) +{ + m_at_pages[offset % 0x10] = data; + + switch(offset % 8) { + case 1: + m_dma_offset[(offset / 8) & 1][2] = data; + break; + case 2: + m_dma_offset[(offset / 8) & 1][3] = data; + break; + case 3: + m_dma_offset[(offset / 8) & 1][1] = data; + break; + case 7: + m_dma_offset[(offset / 8) & 1][0] = data; + break; + } +} + + +static WRITE_LINE_DEVICE_HANDLER( pc_dma_hrq_changed ) +{ + cputag_set_input_line(device->machine(), "maincpu", INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE); + + /* Assert HLDA */ + i8237_hlda_w( device, state ); +} + + +READ8_MEMBER(calchase_state::pc_dma_read_byte) +{ + offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16) + & 0xFF0000; + + return space.read_byte(page_offset + offset); +} + + +WRITE8_MEMBER(calchase_state::pc_dma_write_byte) +{ + offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16) + & 0xFF0000; + + space.write_byte(page_offset + offset, data); +} + +static void set_dma_channel(device_t *device, int channel, int state) +{ + calchase_state *drvstate = device->machine().driver_data<calchase_state>(); + if (!state) drvstate->m_dma_channel = channel; +} + +static WRITE_LINE_DEVICE_HANDLER( pc_dack0_w ) { set_dma_channel(device, 0, state); } +static WRITE_LINE_DEVICE_HANDLER( pc_dack1_w ) { set_dma_channel(device, 1, state); } +static WRITE_LINE_DEVICE_HANDLER( pc_dack2_w ) { set_dma_channel(device, 2, state); } +static WRITE_LINE_DEVICE_HANDLER( pc_dack3_w ) { set_dma_channel(device, 3, state); } + +static I8237_INTERFACE( dma8237_1_config ) +{ + DEVCB_LINE(pc_dma_hrq_changed), + DEVCB_NULL, + DEVCB_DRIVER_MEMBER(calchase_state, pc_dma_read_byte), + DEVCB_DRIVER_MEMBER(calchase_state, pc_dma_write_byte), + { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }, + { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }, + { DEVCB_LINE(pc_dack0_w), DEVCB_LINE(pc_dack1_w), DEVCB_LINE(pc_dack2_w), DEVCB_LINE(pc_dack3_w) } +}; + +static I8237_INTERFACE( dma8237_2_config ) +{ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }, + { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }, + { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL } +}; + +static READ32_DEVICE_HANDLER( ide_r ) +{ + return ide_controller32_r(device, 0x1f0/4 + offset, mem_mask); +} + +static WRITE32_DEVICE_HANDLER( ide_w ) +{ + ide_controller32_w(device, 0x1f0/4 + offset, data, mem_mask); +} + + + + + +static READ32_DEVICE_HANDLER( fdc_r ) +{ + return ide_controller32_r(device, 0x3f0/4 + offset, mem_mask); +} + +static WRITE32_DEVICE_HANDLER( fdc_w ) +{ + //mame_printf_debug("FDC: write %08X, %08X, %08X\n", data, offset, mem_mask); + ide_controller32_w(device, 0x3f0/4 + offset, data, mem_mask); +} + + +// Intel 82439TX System Controller (MXTC) +// TODO: change with a VIA82C585VPX (North Bridge - APOLLO Chipset) + +static UINT8 mxtc_config_r(device_t *busdevice, device_t *device, int function, int reg) +{ + calchase_state *state = busdevice->machine().driver_data<calchase_state>(); +// mame_printf_debug("MXTC: read %d, %02X\n", function, reg); + + return state->m_mxtc_config_reg[reg]; +} + +static void mxtc_config_w(device_t *busdevice, device_t *device, int function, int reg, UINT8 data) +{ + calchase_state *state = busdevice->machine().driver_data<calchase_state>(); +// mame_printf_debug("%s:MXTC: write %d, %02X, %02X\n", machine.describe_context(), function, reg, data); + + switch(reg) + { + //case 0x59: + case 0x63: // PAM0 + { + //if (data & 0x10) // enable RAM access to region 0xf0000 - 0xfffff + if ((data & 0x50) | (data & 0xA0)) + { + state->membank("bank1")->set_base(state->m_bios_ram); + } + else // disable RAM access (reads go to BIOS ROM) + { + //Execution Hack to avoid crash when switch back from Shadow RAM to Bios ROM, since i386 emu haven't yet pipelined execution structure. + //It happens when exit from BIOS SETUP. + #if 0 + if ((state->m_mxtc_config_reg[0x63] & 0x50) | ( state->m_mxtc_config_reg[0x63] & 0xA0)) // Only DO if comes a change to disable ROM. + { + if ( cpu_get_pc(busdevice->machine().device("maincpu"))==0xff74e) cpu_set_reg(busdevice->machine().device("maincpu"), STATE_GENPC, 0xff74d); + } + #endif + + state->membank("bank1")->set_base(busdevice->machine().root_device().memregion("bios")->base() + 0x10000); + state->membank("bank1")->set_base(busdevice->machine().root_device().memregion("bios")->base()); + } + break; + } + } + + state->m_mxtc_config_reg[reg] = data; +} + +static void intel82439tx_init(running_machine &machine) +{ + calchase_state *state = machine.driver_data<calchase_state>(); + state->m_mxtc_config_reg[0x60] = 0x02; + state->m_mxtc_config_reg[0x61] = 0x02; + state->m_mxtc_config_reg[0x62] = 0x02; + state->m_mxtc_config_reg[0x63] = 0x02; + state->m_mxtc_config_reg[0x64] = 0x02; + state->m_mxtc_config_reg[0x65] = 0x02; +} + +static UINT32 intel82439tx_pci_r(device_t *busdevice, device_t *device, int function, int reg, UINT32 mem_mask) +{ + UINT32 r = 0; + + if(reg == 0) + return 0x05851106; // VT82C585VPX, VIA + + if (ACCESSING_BITS_24_31) + { + r |= mxtc_config_r(busdevice, device, function, reg + 3) << 24; + } + if (ACCESSING_BITS_16_23) + { + r |= mxtc_config_r(busdevice, device, function, reg + 2) << 16; + } + if (ACCESSING_BITS_8_15) + { + r |= mxtc_config_r(busdevice, device, function, reg + 1) << 8; + } + if (ACCESSING_BITS_0_7) + { + r |= mxtc_config_r(busdevice, device, function, reg + 0) << 0; + } + return r; +} + +static void intel82439tx_pci_w(device_t *busdevice, device_t *device, int function, int reg, UINT32 data, UINT32 mem_mask) +{ + if (ACCESSING_BITS_24_31) + { + mxtc_config_w(busdevice, device, function, reg + 3, (data >> 24) & 0xff); + } + if (ACCESSING_BITS_16_23) + { + mxtc_config_w(busdevice, device, function, reg + 2, (data >> 16) & 0xff); + } + if (ACCESSING_BITS_8_15) + { + mxtc_config_w(busdevice, device, function, reg + 1, (data >> 8) & 0xff); + } + if (ACCESSING_BITS_0_7) + { + mxtc_config_w(busdevice, device, function, reg + 0, (data >> 0) & 0xff); + } +} + +// Intel 82371AB PCI-to-ISA / IDE bridge (PIIX4) +//TODO: change with VIA82C586B (South Bridge - APOLLO Chipset) + +static UINT8 piix4_config_r(device_t *busdevice, device_t *device, int function, int reg) +{ + calchase_state *state = busdevice->machine().driver_data<calchase_state>(); +// mame_printf_debug("PIIX4: read %d, %02X\n", function, reg); + return state->m_piix4_config_reg[function][reg]; +} + +static void piix4_config_w(device_t *busdevice, device_t *device, int function, int reg, UINT8 data) +{ + calchase_state *state = busdevice->machine().driver_data<calchase_state>(); +// mame_printf_debug("%s:PIIX4: write %d, %02X, %02X\n", machine.describe_context(), function, reg, data); + state->m_piix4_config_reg[function][reg] = data; +} + +static UINT32 intel82371ab_pci_r(device_t *busdevice, device_t *device, int function, int reg, UINT32 mem_mask) +{ + UINT32 r = 0; + + if(reg == 0) + return 0x30401106; // VT82C586B, VIA + + if (ACCESSING_BITS_24_31) + { + r |= piix4_config_r(busdevice, device, function, reg + 3) << 24; + } + if (ACCESSING_BITS_16_23) + { + r |= piix4_config_r(busdevice, device, function, reg + 2) << 16; + } + if (ACCESSING_BITS_8_15) + { + r |= piix4_config_r(busdevice, device, function, reg + 1) << 8; + } + if (ACCESSING_BITS_0_7) + { + r |= piix4_config_r(busdevice, device, function, reg + 0) << 0; + } + return r; +} + +static void intel82371ab_pci_w(device_t *busdevice, device_t *device, int function, int reg, UINT32 data, UINT32 mem_mask) +{ + if (ACCESSING_BITS_24_31) + { + piix4_config_w(busdevice, device, function, reg + 3, (data >> 24) & 0xff); + } + if (ACCESSING_BITS_16_23) + { + piix4_config_w(busdevice, device, function, reg + 2, (data >> 16) & 0xff); + } + if (ACCESSING_BITS_8_15) + { + piix4_config_w(busdevice, device, function, reg + 1, (data >> 8) & 0xff); + } + if (ACCESSING_BITS_0_7) + { + piix4_config_w(busdevice, device, function, reg + 0, (data >> 0) & 0xff); + } +} + +WRITE32_MEMBER(calchase_state::bios_ram_w) +{ + //if (m_mxtc_config_reg[0x59] & 0x20) // write to RAM if this region is write-enabled + if (m_mxtc_config_reg[0x63] & 0x50) + { + COMBINE_DATA(m_bios_ram + offset); + } +} + +READ16_MEMBER(calchase_state::calchase_iocard1_r) +{ + return ioport("IOCARD1")->read(); +} + +READ16_MEMBER(calchase_state::calchase_iocard2_r) +{ + return ioport("IOCARD2")->read(); +} + +READ16_MEMBER(calchase_state::calchase_iocard3_r) +{ + return ioport("IOCARD3")->read(); +} + +/* These two controls wheel pot or whatever this game uses ... */ +READ16_MEMBER(calchase_state::calchase_iocard4_r) +{ + return ioport("IOCARD4")->read(); +} + +READ16_MEMBER(calchase_state::calchase_iocard5_r) +{ + return ioport("IOCARD5")->read(); +} + + +static WRITE16_DEVICE_HANDLER( calchase_dac_w ) +{ + dac_data_16_w(device, ((data & 0xfff) << 4)); +} + +static ADDRESS_MAP_START( calchase_map, AS_PROGRAM, 32, calchase_state ) + AM_RANGE(0x00000000, 0x0009ffff) AM_RAM + AM_RANGE(0x000a0000, 0x000bffff) AM_RAM // VGA VRAM + AM_RANGE(0x000c0000, 0x000c7fff) AM_RAM AM_REGION("video_bios", 0) + AM_RANGE(0x000c8000, 0x000cffff) AM_NOP + //AM_RANGE(0x000d0000, 0x000d0003) AM_RAM // XYLINX - Sincronus serial communication + AM_RANGE(0x000d0004, 0x000d0007) AM_READ16(calchase_iocard1_r, 0x0000ffff) + AM_RANGE(0x000d000c, 0x000d000f) AM_READ16(calchase_iocard2_r, 0x0000ffff) + AM_RANGE(0x000d0030, 0x000d0033) AM_READ16(calchase_iocard3_r, 0xffff0000) + AM_RANGE(0x000d0030, 0x000d0033) AM_READ16(calchase_iocard4_r, 0x0000ffff) + AM_RANGE(0x000d0034, 0x000d0037) AM_READ16(calchase_iocard5_r, 0x0000ffff) + AM_RANGE(0x000d0008, 0x000d000b) AM_WRITENOP // ??? + AM_RANGE(0x000d0024, 0x000d0027) AM_DEVWRITE16_LEGACY("dac_l",calchase_dac_w,0x0000ffff) + AM_RANGE(0x000d0028, 0x000d002b) AM_DEVWRITE16_LEGACY("dac_r",calchase_dac_w,0x0000ffff) + AM_RANGE(0x000d0800, 0x000d0fff) AM_ROM AM_REGION("nvram",0) // + AM_RANGE(0x000d0800, 0x000d0fff) AM_RAM // GAME_CMOS + + //GRULL AM_RANGE(0x000e0000, 0x000effff) AM_RAM + //GRULL-AM_RANGE(0x000f0000, 0x000fffff) AM_ROMBANK("bank1") + //GRULL AM_RANGE(0x000f0000, 0x000fffff) AM_WRITE(bios_ram_w) + AM_RANGE(0x000e0000, 0x000fffff) AM_ROMBANK("bank1") + AM_RANGE(0x000e0000, 0x000fffff) AM_WRITE(bios_ram_w) + AM_RANGE(0x00100000, 0x03ffffff) AM_RAM // 64MB + AM_RANGE(0x02000000, 0x28ffffff) AM_NOP + //AM_RANGE(0x04000000, 0x040001ff) AM_RAM + //AM_RANGE(0x08000000, 0x080001ff) AM_RAM + //AM_RANGE(0x0c000000, 0x0c0001ff) AM_RAM + //AM_RANGE(0x10000000, 0x100001ff) AM_RAM + //AM_RANGE(0x14000000, 0x140001ff) AM_RAM + //AM_RANGE(0x18000000, 0x180001ff) AM_RAM + //AM_RANGE(0x20000000, 0x200001ff) AM_RAM + //AM_RANGE(0x28000000, 0x280001ff) AM_RAM + AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) /* System BIOS */ +ADDRESS_MAP_END + +static ADDRESS_MAP_START( calchase_io, AS_IO, 32, calchase_state ) + AM_RANGE(0x0000, 0x001f) AM_DEVREADWRITE8_LEGACY("dma8237_1", i8237_r, i8237_w, 0xffffffff) + AM_RANGE(0x0020, 0x003f) AM_DEVREADWRITE8_LEGACY("pic8259_1", pic8259_r, pic8259_w, 0xffffffff) + AM_RANGE(0x0040, 0x005f) AM_DEVREADWRITE8_LEGACY("pit8254", pit8253_r, pit8253_w, 0xffffffff) + AM_RANGE(0x0060, 0x006f) AM_READWRITE_LEGACY(kbdc8042_32le_r, kbdc8042_32le_w) + AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("rtc", mc146818_device, read, write, 0xffffffff) /* todo: nvram (CMOS Setup Save)*/ + AM_RANGE(0x0080, 0x009f) AM_READWRITE8(at_page8_r, at_page8_w, 0xffffffff) + AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8_LEGACY("pic8259_2", pic8259_r, pic8259_w, 0xffffffff) + AM_RANGE(0x00c0, 0x00df) AM_DEVREADWRITE_LEGACY("dma8237_2", at32_dma8237_2_r, at32_dma8237_2_w) + //AM_RANGE(0x00e8, 0x00eb) AM_NOP + AM_RANGE(0x00e8, 0x00ef) AM_NOP //AMI BIOS write to this ports as delays between I/O ports operations sending al value -> NEWIODELAY + AM_RANGE(0x0170, 0x0177) AM_NOP //To debug + AM_RANGE(0x01f0, 0x01f7) AM_DEVREADWRITE_LEGACY("ide", ide_r, ide_w) + AM_RANGE(0x0200, 0x021f) AM_NOP //To debug + AM_RANGE(0x0260, 0x026f) AM_NOP //To debug + AM_RANGE(0x0278, 0x027b) AM_WRITENOP//AM_WRITE_LEGACY(pnp_config_w) + AM_RANGE(0x0280, 0x0287) AM_NOP //To debug + AM_RANGE(0x02a0, 0x02a7) AM_NOP //To debug + AM_RANGE(0x02c0, 0x02c7) AM_NOP //To debug + AM_RANGE(0x02e0, 0x02ef) AM_NOP //To debug + AM_RANGE(0x0278, 0x02ff) AM_NOP //To debug + AM_RANGE(0x02f8, 0x02ff) AM_NOP //To debug + AM_RANGE(0x0320, 0x038f) AM_NOP //To debug + AM_RANGE(0x03a0, 0x03a7) AM_NOP //To debug + AM_RANGE(0x03e0, 0x03ef) AM_NOP //To debug + AM_RANGE(0x0378, 0x037f) AM_NOP //To debug + // AM_RANGE(0x0300, 0x03af) AM_NOP + // AM_RANGE(0x03b0, 0x03df) AM_NOP + AM_RANGE(0x03f0, 0x03f7) AM_DEVREADWRITE_LEGACY("ide", fdc_r, fdc_w) + AM_RANGE(0x03f8, 0x03ff) AM_NOP // To debug Serial Port COM1: + AM_RANGE(0x0a78, 0x0a7b) AM_WRITENOP//AM_WRITE_LEGACY(pnp_data_w) + AM_RANGE(0x0cf8, 0x0cff) AM_DEVREADWRITE_LEGACY("pcibus", pci_32le_r, pci_32le_w) + AM_RANGE(0x42e8, 0x43ef) AM_NOP //To debug + AM_RANGE(0x43c0, 0x43cf) AM_RAM AM_SHARE("share1") + AM_RANGE(0x46e8, 0x46ef) AM_NOP //To debug + AM_RANGE(0x4ae8, 0x4aef) AM_NOP //To debug + AM_RANGE(0x83c0, 0x83cf) AM_RAM AM_SHARE("share1") + AM_RANGE(0x92e8, 0x92ef) AM_NOP //To debug + +ADDRESS_MAP_END + +#define AT_KEYB_HELPER(bit, text, key1) \ + PORT_BIT( bit, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME(text) PORT_CODE(key1) + + + +#if 1 +static INPUT_PORTS_START( calchase ) + PORT_START("pc_keyboard_0") + PORT_BIT ( 0x0001, 0x0000, IPT_UNUSED ) /* unused scancode 0 */ + AT_KEYB_HELPER( 0x0002, "Esc", KEYCODE_Q ) /* Esc 01 81 */ + + PORT_START("pc_keyboard_1") + AT_KEYB_HELPER( 0x0010, "T", KEYCODE_T ) /* T 14 94 */ + AT_KEYB_HELPER( 0x0020, "Y", KEYCODE_Y ) /* Y 15 95 */ + AT_KEYB_HELPER( 0x0100, "O", KEYCODE_O ) /* O 18 98 */ + AT_KEYB_HELPER( 0x1000, "Enter", KEYCODE_ENTER ) /* Enter 1C 9C */ + + PORT_START("pc_keyboard_2") + + PORT_START("pc_keyboard_3") + AT_KEYB_HELPER( 0x0001, "B", KEYCODE_B ) /* B 30 B0 */ + AT_KEYB_HELPER( 0x0002, "N", KEYCODE_N ) /* N 31 B1 */ + AT_KEYB_HELPER( 0x0800, "F1", KEYCODE_S ) /* F1 3B BB */ +// AT_KEYB_HELPER( 0x8000, "F5", KEYCODE_F5 ) + + PORT_START("pc_keyboard_4") +// AT_KEYB_HELPER( 0x0004, "F8", KEYCODE_F8 ) + + PORT_START("pc_keyboard_5") + + PORT_START("pc_keyboard_6") + AT_KEYB_HELPER( 0x0040, "(MF2)Cursor Up", KEYCODE_UP ) /* Up 67 e7 */ + AT_KEYB_HELPER( 0x0080, "(MF2)Page Up", KEYCODE_PGUP ) /* Page Up 68 e8 */ + AT_KEYB_HELPER( 0x0100, "(MF2)Cursor Left", KEYCODE_LEFT ) /* Left 69 e9 */ + AT_KEYB_HELPER( 0x0200, "(MF2)Cursor Right", KEYCODE_RIGHT ) /* Right 6a ea */ + AT_KEYB_HELPER( 0x0800, "(MF2)Cursor Down", KEYCODE_DOWN ) /* Down 6c ec */ + AT_KEYB_HELPER( 0x1000, "(MF2)Page Down", KEYCODE_PGDN ) /* Page Down 6d ed */ + AT_KEYB_HELPER( 0x4000, "Del", KEYCODE_A ) /* Delete 6f ef */ + + PORT_START("pc_keyboard_7") + + PORT_START("IOCARD1") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_START1 ) + PORT_DIPNAME( 0x0008, 0x0008, "1" ) + PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Accelerator") + PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_START("IOCARD2") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_SERVICE1 ) // guess + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_SERVICE2 ) PORT_NAME("Reset SW") + PORT_DIPNAME( 0x0004, 0x0004, "2" ) + PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Turbo") + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) // returns back to MS-DOS (likely to be unmapped and actually used as a lame protection check) + PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_START("IOCARD3") + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen") + PORT_BIT( 0xdfff, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("IOCARD4") + PORT_DIPNAME( 0x01, 0x01, "DSWA" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x0100, 0x0100, "DSWA" ) + PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_START("IOCARD5") + PORT_DIPNAME( 0x01, 0x01, "DSWA" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x0100, 0x0100, "DSWA" ) + PORT_DIPSETTING( 0x0100, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0200, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x0800, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) +INPUT_PORTS_END +#endif + +static IRQ_CALLBACK(irq_callback) +{ + calchase_state *state = device->machine().driver_data<calchase_state>(); + return pic8259_acknowledge( state->m_pic8259_1); +} + +static READ8_HANDLER( vga_setting ) { return 0xff; } // hard-code to color + +static MACHINE_START(calchase) +{ + calchase_state *state = machine.driver_data<calchase_state>(); + device_set_irq_callback(machine.device("maincpu"), irq_callback); + + state->m_pit8254 = machine.device( "pit8254" ); + state->m_pic8259_1 = machine.device( "pic8259_1" ); + state->m_pic8259_2 = machine.device( "pic8259_2" ); + state->m_dma8237_1 = machine.device( "dma8237_1" ); + state->m_dma8237_2 = machine.device( "dma8237_2" ); +} + +/************************************************************* + * + * pic8259 configuration + * + *************************************************************/ + +static WRITE_LINE_DEVICE_HANDLER( calchase_pic8259_1_set_int_line ) +{ + cputag_set_input_line(device->machine(), "maincpu", 0, state ? HOLD_LINE : CLEAR_LINE); +} + +static READ8_DEVICE_HANDLER( get_slave_ack ) +{ + calchase_state *state = device->machine().driver_data<calchase_state>(); + if (offset==2) { + return pic8259_acknowledge(state->m_pic8259_2); + } + return 0x00; +} + +static const struct pic8259_interface calchase_pic8259_1_config = +{ + DEVCB_LINE(calchase_pic8259_1_set_int_line), + DEVCB_LINE_VCC, + DEVCB_HANDLER(get_slave_ack) +}; + +static const struct pic8259_interface calchase_pic8259_2_config = +{ + DEVCB_DEVICE_LINE("pic8259_1", pic8259_ir2_w), + DEVCB_LINE_GND, + DEVCB_NULL +}; + + + + +/************************************************************* + * + * pit8254 configuration + * + *************************************************************/ + +static const struct pit8253_config calchase_pit8254_config = +{ + { + { + 4772720/4, /* heartbeat IRQ */ + DEVCB_NULL, + DEVCB_DEVICE_LINE("pic8259_1", pic8259_ir0_w) + }, { + 4772720/4, /* dram refresh */ + DEVCB_NULL, + DEVCB_NULL + }, { + 4772720/4, /* pio port c pin 4, and speaker polling enough */ + DEVCB_NULL, + DEVCB_NULL + } + } +}; + +static MACHINE_RESET(calchase) +{ + //machine.root_device().membank("bank1")->set_base(machine.root_device().memregion("bios")->base() + 0x10000); + machine.root_device().membank("bank1")->set_base(machine.root_device().memregion("bios")->base()); +} + +static void set_gate_a20(running_machine &machine, int a20) +{ + cputag_set_input_line(machine, "maincpu", INPUT_LINE_A20, a20); +} + +static void keyboard_interrupt(running_machine &machine, int state) +{ + calchase_state *drvstate = machine.driver_data<calchase_state>(); + pic8259_ir1_w(drvstate->m_pic8259_1, state); +} + +static void ide_interrupt(device_t *device, int state) +{ + calchase_state *drvstate = device->machine().driver_data<calchase_state>(); + pic8259_ir6_w(drvstate->m_pic8259_2, state); +} + +static int calchase_get_out2(running_machine &machine) +{ + calchase_state *state = machine.driver_data<calchase_state>(); + return pit8253_get_output(state->m_pit8254, 2 ); +} + +static const struct kbdc8042_interface at8042 = +{ + KBDC8042_AT386, set_gate_a20, keyboard_interrupt, NULL, calchase_get_out2 +}; + +static void calchase_set_keyb_int(running_machine &machine, int state) +{ + calchase_state *drvstate = machine.driver_data<calchase_state>(); + pic8259_ir1_w(drvstate->m_pic8259_1, state); +} + +static MACHINE_CONFIG_START( calchase, calchase_state ) + MCFG_CPU_ADD("maincpu", PENTIUM, 133000000) // Cyrix 686MX-PR200 CPU + MCFG_CPU_PROGRAM_MAP(calchase_map) + MCFG_CPU_IO_MAP(calchase_io) + + MCFG_MACHINE_START(calchase) + MCFG_MACHINE_RESET(calchase) + + MCFG_PIT8254_ADD( "pit8254", calchase_pit8254_config ) + MCFG_I8237_ADD( "dma8237_1", XTAL_14_31818MHz/3, dma8237_1_config ) + MCFG_I8237_ADD( "dma8237_2", XTAL_14_31818MHz/3, dma8237_2_config ) + MCFG_PIC8259_ADD( "pic8259_1", calchase_pic8259_1_config ) + MCFG_PIC8259_ADD( "pic8259_2", calchase_pic8259_2_config ) + MCFG_IDE_CONTROLLER_ADD("ide", ide_interrupt, ide_devices, "hdd", NULL) + + MCFG_MC146818_ADD( "rtc", MC146818_STANDARD ) + MCFG_PCI_BUS_ADD("pcibus", 0) + MCFG_PCI_BUS_DEVICE(0, NULL, intel82439tx_pci_r, intel82439tx_pci_w) + MCFG_PCI_BUS_DEVICE(7, NULL, intel82371ab_pci_r, intel82371ab_pci_w) + + /* video hardware */ + MCFG_FRAGMENT_ADD( pcvideo_vga ) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_STEREO("lspeaker","rspeaker") + MCFG_SOUND_ADD("dac_l", DAC, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.5) + + MCFG_SOUND_ADD("dac_r", DAC, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.5) + +MACHINE_CONFIG_END + + +READ32_MEMBER(calchase_state::calchase_idle_skip_r) +{ + + if(cpu_get_pc(&space.device())==0x1406f48) + device_spin_until_interrupt(m_maincpu); + + return m_idle_skip_ram; +} + +WRITE32_MEMBER(calchase_state::calchase_idle_skip_w) +{ + + COMBINE_DATA(&m_idle_skip_ram); +} + +static DRIVER_INIT( calchase ) +{ + calchase_state *state = machine.driver_data<calchase_state>(); + state->m_bios_ram = auto_alloc_array(machine, UINT32, 0x20000/4); + + pc_vga_init(machine, vga_setting, NULL); + pc_svga_trident_io_init(machine, machine.device("maincpu")->memory().space(AS_PROGRAM), 0xa0000, machine.device("maincpu")->memory().space(AS_IO), 0x0000); + init_pc_common(machine, PCCOMMON_KEYBOARD_AT, calchase_set_keyb_int); + + intel82439tx_init(machine); + + kbdc8042_init(machine, &at8042); + + machine.device("maincpu")->memory().space(AS_PROGRAM)->install_readwrite_handler(0x3f0b160, 0x3f0b163, read32_delegate(FUNC(calchase_state::calchase_idle_skip_r),state), write32_delegate(FUNC(calchase_state::calchase_idle_skip_w),state)); +} + +ROM_START( calchase ) + ROM_REGION( 0x40000, "bios", 0 ) + ROM_LOAD( "mb_bios.bin", 0x00000, 0x20000, CRC(dea7a51b) SHA1(e2028c00bfa6d12959fc88866baca8b06a1eab68) ) + + ROM_REGION( 0x8000, "video_bios", 0 ) + ROM_LOAD16_BYTE( "trident_tgui9680_bios.bin", 0x0000, 0x4000, CRC(1eebde64) SHA1(67896a854d43a575037613b3506aea6dae5d6a19) ) + ROM_CONTINUE( 0x0001, 0x4000 ) + + ROM_REGION( 0x800, "nvram", 0 ) + ROM_LOAD( "ds1220y_nv.bin", 0x000, 0x800, CRC(7912c070) SHA1(b4c55c7ca76bcd8dad1c4b50297233349ae02ed3) ) + + DISK_REGION( "drive_0" ) + DISK_IMAGE_READONLY( "calchase", 0,SHA1(6ae51a9b3f31cf4166322328a98c0235b0874eb3) ) +ROM_END + +GAME( 1999, calchase, 0, calchase, calchase, calchase, ROT0, "The Game Room", "California Chase", GAME_NOT_WORKING|GAME_IMPERFECT_GRAPHICS ) |