/******************************************************************************************************* Photo Play (c) 199? Funworld Preliminary driver by Angelo Salese TODO: - Puts a FDC error, needs a DASM investigation / work-around. *******************************************************************************************************/ #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" class photoply_state : public driver_device { public: photoply_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } int m_dma_channel; UINT8 m_dma_offset[2][4]; UINT8 m_at_pages[0x10]; UINT8 m_vga_address; device_t *m_pit8253; device_t *m_pic8259_1; device_t *m_pic8259_2; device_t *m_dma8237_1; device_t *m_dma8237_2; }; /****************** DMA8237 Controller ******************/ 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 ); } static READ8_HANDLER( pc_dma_read_byte ) { photoply_state *state = space->machine().driver_data(); offs_t page_offset = (((offs_t) state->m_dma_offset[0][state->m_dma_channel]) << 16) & 0xFF0000; return space->read_byte(page_offset + offset); } static WRITE8_HANDLER( pc_dma_write_byte ) { photoply_state *state = space->machine().driver_data(); offs_t page_offset = (((offs_t) state->m_dma_offset[0][state->m_dma_channel]) << 16) & 0xFF0000; space->write_byte(page_offset + offset, data); } static READ8_HANDLER(dma_page_select_r) { photoply_state *state = space->machine().driver_data(); UINT8 data = state->m_at_pages[offset % 0x10]; switch(offset % 8) { case 1: data = state->m_dma_offset[(offset / 8) & 1][2]; break; case 2: data = state->m_dma_offset[(offset / 8) & 1][3]; break; case 3: data = state->m_dma_offset[(offset / 8) & 1][1]; break; case 7: data = state->m_dma_offset[(offset / 8) & 1][0]; break; } return data; } static WRITE8_HANDLER(dma_page_select_w) { photoply_state *state = space->machine().driver_data(); state->m_at_pages[offset % 0x10] = data; switch(offset % 8) { case 1: state->m_dma_offset[(offset / 8) & 1][2] = data; break; case 2: state->m_dma_offset[(offset / 8) & 1][3] = data; break; case 3: state->m_dma_offset[(offset / 8) & 1][1] = data; break; case 7: state->m_dma_offset[(offset / 8) & 1][0] = data; break; } } static void set_dma_channel(device_t *device, int channel, int state) { photoply_state *drvstate = device->machine().driver_data(); 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_MEMORY_HANDLER("maincpu", PROGRAM, pc_dma_read_byte), DEVCB_MEMORY_HANDLER("maincpu", PROGRAM, 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 } }; /****************** 8259 IRQ controller ******************/ static WRITE_LINE_DEVICE_HANDLER( 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 ) { photoply_state *state = device->machine().driver_data(); if (offset==2) { // IRQ = 2 return pic8259_acknowledge(state->m_pic8259_2); } return 0x00; } static const struct pic8259_interface pic8259_1_config = { DEVCB_LINE(pic8259_1_set_int_line), DEVCB_LINE_VCC, DEVCB_HANDLER(get_slave_ack) }; static const struct pic8259_interface pic8259_2_config = { DEVCB_DEVICE_LINE("pic8259_1", pic8259_ir2_w), DEVCB_LINE_GND, DEVCB_NULL }; static IRQ_CALLBACK(irq_callback) { photoply_state *state = device->machine().driver_data(); return pic8259_acknowledge(state->m_pic8259_1); } static WRITE_LINE_DEVICE_HANDLER( at_pit8254_out0_changed ) { photoply_state *drvstate = device->machine().driver_data(); if ( drvstate->m_pic8259_1 ) { pic8259_ir0_w(drvstate->m_pic8259_1, state); } } static WRITE_LINE_DEVICE_HANDLER( at_pit8254_out2_changed ) { //at_speaker_set_input( state ? 1 : 0 ); } static const struct pit8253_config at_pit8254_config = { { { 4772720/4, /* heartbeat IRQ */ DEVCB_NULL, DEVCB_LINE(at_pit8254_out0_changed) }, { 4772720/4, /* dram refresh */ DEVCB_NULL, DEVCB_NULL }, { 4772720/4, /* pio port c pin 4, and speaker polling enough */ DEVCB_NULL, DEVCB_LINE(at_pit8254_out2_changed) } } }; static ADDRESS_MAP_START( photoply_map, AS_PROGRAM, 32 ) AM_RANGE(0x00000000, 0x0009ffff) AM_RAM AM_RANGE(0x000a0000, 0x000bffff) AM_RAM // VGA RAM AM_RANGE(0x000c0000, 0x000c7fff) AM_RAM AM_REGION("video_bios", 0) //??? AM_RANGE(0x000c8000, 0x000cffff) AM_RAM AM_REGION("video_bios", 0) AM_RANGE(0x000d0000, 0x000dffff) AM_RAM AM_REGION("ex_bios", 0) AM_RANGE(0x000e0000, 0x000fffff) AM_ROM AM_REGION("bios", 0) AM_RANGE(0xfffe0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) ADDRESS_MAP_END static ADDRESS_MAP_START( photoply_io, AS_IO, 32 ) AM_RANGE(0x0000, 0x001f) AM_DEVREADWRITE8("dma8237_1", i8237_r, i8237_w, 0xffffffff) AM_RANGE(0x0020, 0x003f) AM_DEVREADWRITE8("pic8259_1", pic8259_r, pic8259_w, 0xffffffff) AM_RANGE(0x0040, 0x005f) AM_DEVREADWRITE8("pit8254", pit8253_r, pit8253_w, 0xffffffff) AM_RANGE(0x0060, 0x006f) AM_READWRITE(kbdc8042_32le_r, kbdc8042_32le_w) AM_RANGE(0x0070, 0x007f) AM_RAM//DEVREADWRITE8_MODERN("rtc", mc146818_device, read, write, 0xffffffff) AM_RANGE(0x0080, 0x009f) AM_READWRITE8(dma_page_select_r,dma_page_select_w, 0xffffffff)//TODO AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8("pic8259_2", pic8259_r, pic8259_w, 0xffffffff) AM_RANGE(0x00c0, 0x00df) AM_DEVREADWRITE8("dma8237_2", i8237_r, i8237_w, 0xffff) AM_RANGE(0x0278, 0x027f) AM_RAM //parallel port 2 AM_RANGE(0x0378, 0x037f) AM_RAM //parallel port AM_RANGE(0x03bc, 0x03bf) AM_RAM //parallel port 3 // AM_RANGE(0x03f4, 0x03f7) AM_READ(kludge_r) // fdc ADDRESS_MAP_END #define AT_KEYB_HELPER(bit, text, key1) \ PORT_BIT( bit, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME(text) PORT_CODE(key1) static INPUT_PORTS_START( photoply ) 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( 0x0020, "Y", KEYCODE_Y ) /* Y 15 95 */ AT_KEYB_HELPER( 0x1000, "Enter", KEYCODE_ENTER ) /* Enter 1C 9C */ PORT_START("pc_keyboard_2") PORT_START("pc_keyboard_3") AT_KEYB_HELPER( 0x0002, "N", KEYCODE_N ) /* N 31 B1 */ AT_KEYB_HELPER( 0x0800, "F1", KEYCODE_S ) /* F1 3B BB */ PORT_START("pc_keyboard_4") 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") INPUT_PORTS_END static void photoply_set_keyb_int(running_machine &machine, int state) { photoply_state *drvstate = machine.driver_data(); pic8259_ir1_w(drvstate->m_pic8259_1, state); } static MACHINE_START( photoply ) { photoply_state *state = machine.driver_data(); device_set_irq_callback(machine.device("maincpu"), irq_callback); state->m_pit8253 = 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" ); init_pc_common(machine, PCCOMMON_KEYBOARD_AT, photoply_set_keyb_int); } static const gfx_layout CGA_charlayout = { 8,8, 256, 1, { 0 }, { 0,1,2,3,4,5,6,7 }, { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 }, 8*8 }; static GFXDECODE_START( photoply ) GFXDECODE_ENTRY( "video_bios", 0x6000+0xa5*8+7, CGA_charlayout, 0, 256 ) //there's also a 8x16 entry (just after the 8x8) GFXDECODE_END static READ8_HANDLER( vga_setting ) { return 0xff; } // hard-code to color static const struct pc_vga_interface vga_interface = { NULL, NULL, vga_setting, AS_PROGRAM, 0xa0000, AS_IO, 0x0000 }; static MACHINE_CONFIG_START( photoply, photoply_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I486, 75000000) /* I486DX4, 75 or 100 Mhz */ MCFG_CPU_PROGRAM_MAP(photoply_map) MCFG_CPU_IO_MAP(photoply_io) MCFG_GFXDECODE( photoply ) MCFG_MACHINE_START(photoply) MCFG_MC146818_ADD( "rtc", MC146818_STANDARD ) // MCFG_FRAGMENT_ADD( at_kbdc8042 ) MCFG_PIC8259_ADD( "pic8259_1", pic8259_1_config ) MCFG_PIC8259_ADD( "pic8259_2", pic8259_2_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_PIT8254_ADD( "pit8254", at_pit8254_config ) MCFG_FRAGMENT_ADD( pcvideo_vga ) MACHINE_CONFIG_END ROM_START(photoply) ROM_REGION(0x20000, "bios", 0) /* motherboard bios */ ROM_LOAD("award bootblock bios v1.0.bin", 0x000000, 0x20000, CRC(e96d1bbc) SHA1(64d0726c4e9ecee8fddf4cc39d92aecaa8184d5c) ) ROM_REGION(0x10000, "ex_bios", 0) /* multifunction board with a ESS AudioDrive chip, M27128A */ ROM_LOAD("enhanced bios.bin", 0x000000, 0x4000, CRC(a216404e) SHA1(c9067cf87d5c8106de00866bb211eae3a6c02c65) ) ROM_RELOAD( 0x004000, 0x4000 ) ROM_RELOAD( 0x008000, 0x4000 ) ROM_RELOAD( 0x00c000, 0x4000 ) ROM_REGION(0x8000, "video_bios", 0 ) ROM_LOAD("vga.bin", 0x000000, 0x8000, CRC(7a859659) SHA1(ff667218261969c48082ec12aa91088a01b0cb2a) ) DISK_REGION( "ide" ) DISK_IMAGE( "photoply", 0,NO_DUMP ) ROM_END static DRIVER_INIT( photoply ) { pc_vga_init(machine, &vga_interface, NULL); } GAME( 199?, photoply, 0, photoply, photoply, photoply, ROT0, "Funworld", "PhotoPlay", GAME_NOT_WORKING|GAME_NO_SOUND )