mirror of
https://github.com/holub/mame
synced 2025-05-16 10:52:43 +03:00
Basic hooks for Funky Ball, it basically follows Area 51 hooks
This commit is contained in:
Angelo Salese
parent
bfd71f45a2
commit
22f58b0c13
@ -1,5 +1,5 @@
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// dgPIX 'VRender 2 Beta Rev4' hardware
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// MEDIAGX CPU + 3dFX VooDoo chipset
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// funkball CPU + 3dFX VooDoo chipset
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/***************************************************************************
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@ -60,60 +60,453 @@ Notes:
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***************************************************************************/
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#define ADDRESS_MAP_MODERN
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#include "emu.h"
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#include "cpu/i386/i386.h"
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#include "memconv.h"
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#include "devconv.h"
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#include "machine/8237dma.h"
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#include "machine/pic8259.h"
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#include "machine/pit8253.h"
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#include "machine/mc146818.h"
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#include "machine/pcshare.h"
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#include "machine/pci.h"
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#include "machine/8042kbdc.h"
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#include "machine/pckeybrd.h"
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#include "machine/idectrl.h"
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class funkball_state : public driver_device
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{
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public:
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funkball_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag) { }
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_pit8254(*this, "pit8254"),
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m_dma8237_1(*this, "dma8237_1"),
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m_dma8237_2(*this, "dma8237_2"),
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m_pic8259_1(*this, "pic8259_1"),
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m_pic8259_2(*this, "pic8259_2")
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{ }
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int m_dma_channel;
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UINT8 m_dma_offset[2][4];
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UINT8 m_at_pages[0x10];
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UINT8 m_funkball_config_reg_sel;
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UINT8 m_funkball_config_regs[256];
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UINT32 m_cx5510_regs[256/4];
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// devices
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required_device<cpu_device> m_maincpu;
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required_device<pit8254_device> m_pit8254;
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required_device<i8237_device> m_dma8237_1;
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required_device<i8237_device> m_dma8237_2;
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required_device<pic8259_device> m_pic8259_1;
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required_device<pic8259_device> m_pic8259_2;
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DECLARE_READ8_MEMBER( get_slave_ack );
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};
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static VIDEO_START(funkball)
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static UINT32 cx5510_pci_r(device_t *busdevice, device_t *device, int function, int reg, UINT32 mem_mask)
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{
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funkball_state *state = busdevice->machine().driver_data<funkball_state>();
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//mame_printf_debug("CX5510: PCI read %d, %02X, %08X\n", function, reg, mem_mask);
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switch (reg)
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{
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case 0: return 0x00001078;
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}
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return state->m_cx5510_regs[reg/4];
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}
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static SCREEN_UPDATE(funkball)
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static void cx5510_pci_w(device_t *busdevice, device_t *device, int function, int reg, UINT32 data, UINT32 mem_mask)
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{
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return 0;
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funkball_state *state = busdevice->machine().driver_data<funkball_state>();
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//mame_printf_debug("CX5510: PCI write %d, %02X, %08X, %08X\n", function, reg, data, mem_mask);
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COMBINE_DATA(state->m_cx5510_regs + (reg/4));
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}
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static ADDRESS_MAP_START(funkball_map, AS_PROGRAM, 32)
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AM_RANGE(0xffff0000, 0xffffffff) AM_ROM AM_REGION("user1", 0) /* System BIOS */
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static READ32_DEVICE_HANDLER( ide_r )
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{
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return ide_controller32_r(device, 0x1f0/4 + offset, mem_mask);
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}
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static WRITE32_DEVICE_HANDLER( ide_w )
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{
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ide_controller32_w(device, 0x1f0/4 + offset, data, mem_mask);
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}
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static READ32_DEVICE_HANDLER( fdc_r )
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{
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return ide_controller32_r(device, 0x3f0/4 + offset, mem_mask);
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}
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static WRITE32_DEVICE_HANDLER( fdc_w )
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{
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//mame_printf_debug("FDC: write %08X, %08X, %08X\n", data, offset, mem_mask);
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ide_controller32_w(device, 0x3f0/4 + offset, data, mem_mask);
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}
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static READ8_HANDLER(at_page8_r)
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{
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funkball_state *state = space->machine().driver_data<funkball_state>();
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UINT8 data = state->m_at_pages[offset % 0x10];
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switch(offset % 8) {
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case 1:
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data = state->m_dma_offset[(offset / 8) & 1][2];
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break;
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case 2:
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data = state->m_dma_offset[(offset / 8) & 1][3];
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break;
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case 3:
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data = state->m_dma_offset[(offset / 8) & 1][1];
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break;
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case 7:
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data = state->m_dma_offset[(offset / 8) & 1][0];
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break;
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}
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return data;
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}
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static WRITE8_HANDLER(at_page8_w)
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{
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funkball_state *state = space->machine().driver_data<funkball_state>();
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state->m_at_pages[offset % 0x10] = data;
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switch(offset % 8) {
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case 1:
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state->m_dma_offset[(offset / 8) & 1][2] = data;
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break;
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case 2:
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state->m_dma_offset[(offset / 8) & 1][3] = data;
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break;
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case 3:
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state->m_dma_offset[(offset / 8) & 1][1] = data;
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break;
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case 7:
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state->m_dma_offset[(offset / 8) & 1][0] = data;
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break;
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}
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}
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static READ32_HANDLER(at_page32_r)
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{
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return read32le_with_read8_handler(at_page8_r, space, offset, mem_mask);
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}
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static WRITE32_HANDLER(at_page32_w)
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{
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write32le_with_write8_handler(at_page8_w, space, offset, data, mem_mask);
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}
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static READ8_DEVICE_HANDLER(at_dma8237_2_r)
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{
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return i8237_r(device, offset / 2);
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}
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static WRITE8_DEVICE_HANDLER(at_dma8237_2_w)
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{
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i8237_w(device, offset / 2, data);
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}
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static READ32_DEVICE_HANDLER(at32_dma8237_2_r)
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{
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return read32le_with_read8_device_handler(at_dma8237_2_r, device, offset, mem_mask);
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}
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static WRITE32_DEVICE_HANDLER(at32_dma8237_2_w)
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{
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write32le_with_write8_device_handler(at_dma8237_2_w, device, offset, data, mem_mask);
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}
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static WRITE_LINE_DEVICE_HANDLER( pc_dma_hrq_changed )
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{
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cputag_set_input_line(device->machine(), "maincpu", INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
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/* Assert HLDA */
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i8237_hlda_w( device, state );
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}
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static READ8_HANDLER( pc_dma_read_byte )
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{
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funkball_state *state = space->machine().driver_data<funkball_state>();
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offs_t page_offset = (((offs_t) state->m_dma_offset[0][state->m_dma_channel]) << 16)
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& 0xFF0000;
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return space->read_byte(page_offset + offset);
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}
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static WRITE8_HANDLER( pc_dma_write_byte )
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{
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funkball_state *state = space->machine().driver_data<funkball_state>();
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offs_t page_offset = (((offs_t) state->m_dma_offset[0][state->m_dma_channel]) << 16)
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& 0xFF0000;
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space->write_byte(page_offset + offset, data);
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}
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static void set_dma_channel(device_t *device, int channel, int state)
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{
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funkball_state *drvstate = device->machine().driver_data<funkball_state>();
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if (!state) drvstate->m_dma_channel = channel;
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}
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static WRITE_LINE_DEVICE_HANDLER( pc_dack0_w ) { set_dma_channel(device, 0, state); }
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static WRITE_LINE_DEVICE_HANDLER( pc_dack1_w ) { set_dma_channel(device, 1, state); }
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static WRITE_LINE_DEVICE_HANDLER( pc_dack2_w ) { set_dma_channel(device, 2, state); }
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static WRITE_LINE_DEVICE_HANDLER( pc_dack3_w ) { set_dma_channel(device, 3, state); }
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static I8237_INTERFACE( dma8237_1_config )
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{
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DEVCB_LINE(pc_dma_hrq_changed),
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DEVCB_NULL,
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DEVCB_MEMORY_HANDLER("maincpu", PROGRAM, pc_dma_read_byte),
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DEVCB_MEMORY_HANDLER("maincpu", PROGRAM, pc_dma_write_byte),
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{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_LINE(pc_dack0_w), DEVCB_LINE(pc_dack1_w), DEVCB_LINE(pc_dack2_w), DEVCB_LINE(pc_dack3_w) }
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};
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static I8237_INTERFACE( dma8237_2_config )
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{
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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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{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }
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};
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static UINT8 funkball_config_reg_r(device_t *device)
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{
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funkball_state *state = device->machine().driver_data<funkball_state>();
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//mame_printf_debug("funkball_config_reg_r %02X\n", funkball_config_reg_sel);
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return state->m_funkball_config_regs[state->m_funkball_config_reg_sel];
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}
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static void funkball_config_reg_w(device_t *device, UINT8 data)
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{
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funkball_state *state = device->machine().driver_data<funkball_state>();
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//mame_printf_debug("funkball_config_reg_w %02X, %02X\n", funkball_config_reg_sel, data);
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state->m_funkball_config_regs[state->m_funkball_config_reg_sel] = data;
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}
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static READ8_DEVICE_HANDLER( io20_r )
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{
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UINT8 r = 0;
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// 0x22, 0x23, Cyrix configuration registers
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if (offset == 0x02)
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{
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}
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else if (offset == 0x03)
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{
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r = funkball_config_reg_r(device);
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}
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else
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{
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r = pic8259_r(device, offset);
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}
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return r;
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}
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static WRITE8_DEVICE_HANDLER( io20_w )
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{
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funkball_state *state = device->machine().driver_data<funkball_state>();
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// 0x22, 0x23, Cyrix configuration registers
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if (offset == 0x02)
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{
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state->m_funkball_config_reg_sel = data;
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}
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else if (offset == 0x03)
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{
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funkball_config_reg_w(device, data);
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}
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else
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{
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pic8259_w(device, offset, data);
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}
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}
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static ADDRESS_MAP_START(funkball_map, AS_PROGRAM, 32, funkball_state)
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AM_RANGE(0x00000000, 0x0009ffff) AM_RAM
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AM_RANGE(0x000a0000, 0x000bffff) AM_RAM
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// AM_RANGE(0x000c0000, 0x000c7fff) AM_ROM AM_REGION("video_bios", 0) /* System BIOS */
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AM_RANGE(0x000f0000, 0x000fffff) AM_ROM AM_REGION("bios", 0) AM_WRITENOP /* System BIOS */
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AM_RANGE(0x00100000, 0x01ffffff) AM_RAM
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AM_RANGE(0x40010e00, 0x40010eff) AM_RAM
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AM_RANGE(0xffff0000, 0xffffffff) AM_ROM AM_REGION("bios", 0) /* System BIOS */
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(funkball_io, AS_IO, 32)
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static ADDRESS_MAP_START(funkball_io, AS_IO, 32, funkball_state)
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AM_RANGE(0x0000, 0x001f) AM_DEVREADWRITE8_LEGACY("dma8237_1", i8237_r, i8237_w, 0xffffffff)
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AM_RANGE(0x0020, 0x003f) AM_DEVREADWRITE8_LEGACY("pic8259_1", io20_r, io20_w, 0xffffffff)
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AM_RANGE(0x0040, 0x005f) AM_DEVREADWRITE8_LEGACY("pit8254", pit8253_r, pit8253_w, 0xffffffff)
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AM_RANGE(0x0060, 0x006f) AM_READWRITE_LEGACY(kbdc8042_32le_r, kbdc8042_32le_w)
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AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("rtc", mc146818_device, read, write, 0xffffffff) /* todo: nvram (CMOS Setup Save)*/
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AM_RANGE(0x0080, 0x009f) AM_READWRITE_LEGACY(at_page32_r, at_page32_w)
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AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8_LEGACY("pic8259_2", pic8259_r, pic8259_w, 0xffffffff)
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AM_RANGE(0x00c0, 0x00df) AM_DEVREADWRITE_LEGACY("dma8237_2", at32_dma8237_2_r, at32_dma8237_2_w)
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AM_RANGE(0x00e8, 0x00ef) AM_NOP
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AM_RANGE(0x01f0, 0x01f7) AM_DEVREADWRITE_LEGACY("ide", ide_r, ide_w)
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// AM_RANGE(0x0350, 0x035f) AM_NOP
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AM_RANGE(0x03f0, 0x03ff) AM_DEVREADWRITE_LEGACY("ide", fdc_r, fdc_w)
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AM_RANGE(0x0cf8, 0x0cff) AM_DEVREADWRITE_LEGACY("pcibus", pci_32le_r, pci_32le_w)
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ADDRESS_MAP_END
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static INPUT_PORTS_START( funkball )
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INPUT_PORTS_END
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static const struct pit8253_config funkball_pit8254_config =
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{
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{
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{
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4772720/4, /* heartbeat IRQ */
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DEVCB_NULL,
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DEVCB_DEVICE_LINE("pic8259_1", pic8259_ir0_w)
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}, {
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4772720/4, /* dram refresh */
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DEVCB_NULL,
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DEVCB_NULL
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}, {
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4772720/4, /* pio port c pin 4, and speaker polling enough */
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DEVCB_NULL,
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DEVCB_NULL
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}
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}
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};
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static WRITE_LINE_DEVICE_HANDLER( funkball_pic8259_1_set_int_line )
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{
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funkball_state *drvstate = device->machine().driver_data<funkball_state>();
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device_set_input_line(drvstate->m_maincpu, 0, state ? HOLD_LINE : CLEAR_LINE);
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}
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READ8_MEMBER( funkball_state::get_slave_ack )
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{
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if (offset==2) { // IRQ = 2
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logerror("pic8259_slave_ACK!\n");
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return pic8259_acknowledge(m_pic8259_2);
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}
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return 0x00;
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}
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static const struct pic8259_interface funkball_pic8259_1_config =
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{
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DEVCB_LINE(funkball_pic8259_1_set_int_line),
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DEVCB_LINE_VCC,
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DEVCB_MEMBER(funkball_state,get_slave_ack)
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};
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static const struct pic8259_interface funkball_pic8259_2_config =
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{
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DEVCB_DEVICE_LINE("pic8259_1", pic8259_ir2_w),
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DEVCB_LINE_GND,
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DEVCB_NULL
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};
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static void set_gate_a20(running_machine &machine, int a20)
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{
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funkball_state *state = machine.driver_data<funkball_state>();
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device_set_input_line(state->m_maincpu, INPUT_LINE_A20, a20);
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}
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static void keyboard_interrupt(running_machine &machine, int state)
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{
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funkball_state *drvstate = machine.driver_data<funkball_state>();
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pic8259_ir1_w(drvstate->m_pic8259_1, state);
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}
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static int funkball_get_out2(running_machine &machine)
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{
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funkball_state *state = machine.driver_data<funkball_state>();
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return pit8253_get_output(state->m_pit8254, 2 );
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}
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static const struct kbdc8042_interface at8042 =
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{
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KBDC8042_AT386, set_gate_a20, keyboard_interrupt, NULL, funkball_get_out2
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};
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static void funkball_set_keyb_int(running_machine &machine, int state)
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{
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funkball_state *drvstate = machine.driver_data<funkball_state>();
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pic8259_ir1_w(drvstate->m_pic8259_1, state);
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}
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static IRQ_CALLBACK(irq_callback)
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{
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funkball_state *state = device->machine().driver_data<funkball_state>();
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return pic8259_acknowledge( state->m_pic8259_1);
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}
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static void ide_interrupt(device_t *device, int state)
|
||||
{
|
||||
funkball_state *drvstate = device->machine().driver_data<funkball_state>();
|
||||
pic8259_ir6_w(drvstate->m_pic8259_2, state);
|
||||
}
|
||||
|
||||
static MACHINE_START( funkball )
|
||||
{
|
||||
funkball_state *state = machine.driver_data<funkball_state>();
|
||||
|
||||
init_pc_common(machine, PCCOMMON_KEYBOARD_AT, funkball_set_keyb_int);
|
||||
|
||||
device_set_irq_callback(state->m_maincpu, irq_callback);
|
||||
|
||||
kbdc8042_init(machine, &at8042);
|
||||
}
|
||||
|
||||
static MACHINE_RESET( funkball )
|
||||
{
|
||||
// ...
|
||||
}
|
||||
|
||||
static MACHINE_CONFIG_START( funkball, funkball_state )
|
||||
MCFG_CPU_ADD("maincpu", MEDIAGX, 66666666*3.5)
|
||||
MCFG_CPU_PROGRAM_MAP(funkball_map)
|
||||
MCFG_CPU_IO_MAP(funkball_io)
|
||||
|
||||
/* video hardware */
|
||||
MCFG_SCREEN_ADD("screen", RASTER)
|
||||
MCFG_SCREEN_REFRESH_RATE(60)
|
||||
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
|
||||
MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
|
||||
MCFG_SCREEN_SIZE(640, 480)
|
||||
MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 199)
|
||||
MCFG_SCREEN_UPDATE(funkball)
|
||||
MCFG_PALETTE_LENGTH(16)
|
||||
MCFG_MACHINE_START(funkball)
|
||||
MCFG_MACHINE_RESET(funkball)
|
||||
|
||||
MCFG_VIDEO_START(funkball)
|
||||
MCFG_PIT8254_ADD( "pit8254", funkball_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", funkball_pic8259_1_config )
|
||||
MCFG_PIC8259_ADD( "pic8259_2", funkball_pic8259_2_config )
|
||||
|
||||
MCFG_MC146818_ADD( "rtc", MC146818_STANDARD )
|
||||
|
||||
MCFG_PCI_BUS_ADD("pcibus", 0)
|
||||
MCFG_PCI_BUS_DEVICE(18, NULL, cx5510_pci_r, cx5510_pci_w)
|
||||
|
||||
MCFG_IDE_CONTROLLER_ADD("ide", ide_interrupt)
|
||||
|
||||
/* video hardware */
|
||||
// ...
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
ROM_START( funkball )
|
||||
ROM_REGION32_LE(0x10000, "user1", 0)
|
||||
ROM_REGION32_LE(0x10000, "bios", ROMREGION_ERASEFF)
|
||||
ROM_LOAD( "512k-epr.u62", 0x000000, 0x010000, CRC(cced894a) SHA1(298c81716e375da4b7215f3e588a45ca3ea7e35c) )
|
||||
|
||||
ROM_REGION(0x400000, "user2", 0)
|
||||
@ -125,4 +518,4 @@ ROM_START( funkball )
|
||||
ROM_END
|
||||
|
||||
|
||||
GAME(1998, funkball, 0, funkball, funkball, 0, ROT0, "dgPIX Entertainment Inc.", "Funky Ball", GAME_IS_SKELETON)
|
||||
GAME(1998, funkball, 0, funkball, at_keyboard, 0, ROT0, "dgPIX Entertainment Inc.", "Funky Ball", GAME_IS_SKELETON)
|
||||
|
||||
@ -131,7 +131,7 @@ static void mxtc_config_w(device_t *busdevice, device_t *device, int function, i
|
||||
if (data & 0x10) // enable RAM access to region 0xf0000 - 0xfffff
|
||||
memory_set_bankptr(busdevice->machine(), "bios_bank", state->m_bios_ram);
|
||||
else // disable RAM access (reads go to BIOS ROM)
|
||||
memory_set_bankptr(busdevice->machine(), "bios_bank", busdevice->machine().region("bios")->base() + 0x10000);
|
||||
memory_set_bankptr(busdevice->machine(), "bios_bank", busdevice->machine().region("bios")->base() + 0x70000);
|
||||
break;
|
||||
}
|
||||
case 0x5a: // PAM1
|
||||
@ -153,12 +153,12 @@ static void mxtc_config_w(device_t *busdevice, device_t *device, int function, i
|
||||
if (data & 0x1)
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext1", state->m_bios_ext1_ram);
|
||||
else
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext1", busdevice->machine().region("bios")->base() + 0);
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext1", busdevice->machine().region("bios")->base() + 0x60000);
|
||||
|
||||
if (data & 0x10)
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext2", state->m_bios_ext2_ram);
|
||||
else
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext2", busdevice->machine().region("bios")->base() + 0x4000);
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext2", busdevice->machine().region("bios")->base() + 0x64000);
|
||||
|
||||
break;
|
||||
}
|
||||
@ -167,12 +167,12 @@ static void mxtc_config_w(device_t *busdevice, device_t *device, int function, i
|
||||
if (data & 0x1)
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext3", state->m_bios_ext3_ram);
|
||||
else
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext3", busdevice->machine().region("bios")->base() + 0x8000);
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext3", busdevice->machine().region("bios")->base() + 0x68000);
|
||||
|
||||
if (data & 0x10)
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext4", state->m_bios_ext4_ram);
|
||||
else
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext4", busdevice->machine().region("bios")->base() + 0xc000);
|
||||
memory_set_bankptr(busdevice->machine(), "bios_ext4", busdevice->machine().region("bios")->base() + 0x6c000);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user