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-rw-r--r--src/mame/machine/atarigen.cpp478
1 files changed, 0 insertions, 478 deletions
diff --git a/src/mame/machine/atarigen.cpp b/src/mame/machine/atarigen.cpp
index a4c337dba07..fb804be3507 100644
--- a/src/mame/machine/atarigen.cpp
+++ b/src/mame/machine/atarigen.cpp
@@ -10,7 +10,6 @@
#include "emu.h"
#include "cpu/m6502/m6502.h"
-#include "video/atarimo.h"
#include "atarigen.h"
@@ -326,483 +325,6 @@ void atari_sound_comm_device::delayed_6502_write(int data)
-//**************************************************************************
-// VAD VIDEO CONTROLLER DEVICE
-//**************************************************************************
-
-// device type definition
-DEFINE_DEVICE_TYPE(ATARI_VAD, atari_vad_device, "atarivad", "Atari VAD")
-
-//-------------------------------------------------
-// atari_vad_device - constructor
-//-------------------------------------------------
-
-atari_vad_device::atari_vad_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, ATARI_VAD, tag, owner, clock),
- device_video_interface(mconfig, *this),
- m_scanline_int_cb(*this),
- m_alpha_tilemap(*this, "alpha"),
- m_playfield_tilemap(*this, "playfield"),
- m_playfield2_tilemap(*this, "playfield2"),
- m_mob(*this, "mob"),
- m_eof_data(*this, "eof"),
- m_scanline_int_timer(nullptr),
- m_tilerow_update_timer(nullptr),
- m_eof_timer(nullptr),
- m_palette_bank(0),
- m_pf0_xscroll_raw(0),
- m_pf0_yscroll(0),
- m_pf1_xscroll_raw(0),
- m_pf1_yscroll(0),
- m_mo_xscroll(0),
- m_mo_yscroll(0)
-{
-}
-
-
-//-------------------------------------------------
-// control_write: Does the bulk of the word for an I/O
-// write.
-//-------------------------------------------------
-
-WRITE16_MEMBER(atari_vad_device::control_write)
-{
- uint16_t newword = m_control[offset];
- COMBINE_DATA(&newword);
- internal_control_write(offset, newword);
-}
-
-
-//-------------------------------------------------
-// control_read: Handles an I/O read from the video controller.
-//-------------------------------------------------
-
-READ16_MEMBER(atari_vad_device::control_read)
-{
- logerror("vc_r(%02X)\n", offset);
-
- // a read from offset 0 returns the current scanline
- // also sets bit 0x4000 if we're in VBLANK
- if (offset == 0)
- {
- int result = screen().vpos();
- if (result > 255)
- result = 255;
- if (result > screen().visible_area().max_y)
- result |= 0x4000;
- return result;
- }
- else
- return m_control[offset];
-}
-
-
-//-------------------------------------------------
-// alpha_w: Generic write handler for alpha RAM.
-//-------------------------------------------------
-
-WRITE16_MEMBER(atari_vad_device::alpha_w)
-{
- m_alpha_tilemap->write16(space, offset, data, mem_mask);
-}
-
-
-//-------------------------------------------------
-// playfield_upper_w: Generic write handler for
-// upper word of split playfield RAM.
-//-------------------------------------------------
-
-WRITE16_MEMBER(atari_vad_device::playfield_upper_w)
-{
- m_playfield_tilemap->write16_ext(space, offset, data, mem_mask);
- if (m_playfield2_tilemap != nullptr)
- m_playfield2_tilemap->write16_ext(space, offset, data, mem_mask);
-}
-
-
-//-------------------------------------------------
-// playfield_latched_lsb_w: Generic write handler for
-// lower word of playfield RAM with a latch in the LSB of the
-// upper word.
-//-------------------------------------------------
-
-WRITE16_MEMBER(atari_vad_device::playfield_latched_lsb_w)
-{
- m_playfield_tilemap->write16(space, offset, data, mem_mask);
- if ((m_control[0x0a] & 0x80) != 0)
- m_playfield_tilemap->write16_ext(space, offset, m_control[0x1d], uint16_t(0x00ff));
-}
-
-
-//-------------------------------------------------
-// playfield_latched_msb_w: Generic write handler for
-// lower word of playfield RAM with a latch in the MSB of the
-// upper word.
-//-------------------------------------------------
-
-WRITE16_MEMBER(atari_vad_device::playfield_latched_msb_w)
-{
- m_playfield_tilemap->write16(space, offset, data, mem_mask);
- if ((m_control[0x0a] & 0x80) != 0)
- m_playfield_tilemap->write16_ext(space, offset, m_control[0x1c], uint16_t(0xff00));
-}
-
-
-//-------------------------------------------------
-// playfield2_latched_msb_w: Generic write handler for
-// lower word of second playfield RAM with a latch in the MSB
-// of the upper word.
-//-------------------------------------------------
-
-WRITE16_MEMBER(atari_vad_device::playfield2_latched_msb_w)
-{
- m_playfield2_tilemap->write16(space, offset, data, mem_mask);
- if ((m_control[0x0a] & 0x80) != 0)
- m_playfield2_tilemap->write16_ext(space, offset, m_control[0x1c], uint16_t(0xff00));
-}
-
-
-//-------------------------------------------------
-// device_start: Start up the device
-//-------------------------------------------------
-
-void atari_vad_device::device_start()
-{
- // verify configuration
- if (m_playfield_tilemap == nullptr)
- throw emu_fatalerror("Playfield tilemap not found!");
- if (m_eof_data == nullptr)
- throw emu_fatalerror("EOF data not found!");
-
- // resolve callbacks
- m_scanline_int_cb.resolve_safe();
-
- // allocate timers
- m_scanline_int_timer = timer_alloc(TID_SCANLINE_INT);
- m_tilerow_update_timer = timer_alloc(TID_TILEROW_UPDATE);
- m_eof_timer = timer_alloc(TID_EOF);
-
- // register for save states
- save_item(NAME(m_palette_bank)); // which palette bank is enabled
- save_item(NAME(m_pf0_xscroll_raw)); // playfield 1 xscroll raw value
- save_item(NAME(m_pf0_yscroll)); // playfield 1 yscroll
- save_item(NAME(m_pf1_xscroll_raw)); // playfield 2 xscroll raw value
- save_item(NAME(m_pf1_yscroll)); // playfield 2 yscroll
- save_item(NAME(m_mo_xscroll)); // sprite xscroll
- save_item(NAME(m_mo_yscroll)); // sprite xscroll
-}
-
-
-//-------------------------------------------------
-// device_reset: Handle a device reset by
-// clearing the interrupt lines and states
-//-------------------------------------------------
-
-void atari_vad_device::device_reset()
-{
- // share extended memory between the two tilemaps
- if (m_playfield2_tilemap != nullptr)
- m_playfield2_tilemap->extmem().set(m_playfield_tilemap->extmem());
-
- // reset the state
- m_palette_bank = 0;
- m_pf0_xscroll_raw = m_pf1_xscroll_raw = 0;
- m_pf0_yscroll = m_pf1_yscroll = 0;
- m_mo_xscroll = m_mo_yscroll = 0;
- memset(m_control, 0, sizeof(m_control));
-
- // start the timers
- m_tilerow_update_timer->adjust(screen().time_until_pos(0));
- m_eof_timer->adjust(screen().time_until_pos(0));
-}
-
-
-//-------------------------------------------------
-// device_timer: Handle device-specific timer
-// calbacks
-//-------------------------------------------------
-
-void atari_vad_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
-{
- switch (id)
- {
- case TID_SCANLINE_INT:
- m_scanline_int_cb(ASSERT_LINE);
- break;
-
- case TID_TILEROW_UPDATE:
- update_tilerow(timer, param);
- break;
-
- case TID_EOF:
- eof_update(timer);
- break;
- }
-}
-
-
-//-------------------------------------------------
-// internal_control_write: Handle writes to the
-// control registers and EOF updates
-//-------------------------------------------------
-
-void atari_vad_device::internal_control_write(offs_t offset, uint16_t newword)
-{
- // switch off the offset
- uint16_t oldword = m_control[offset];
- m_control[offset] = newword;
- switch (offset)
- {
- //
- // VAD register map:
- //
- // 00 = HDW_ENABLE
- // A000 = enable other VAD params
- // E000 = enable other VAD params but disable update from ALPHA RAM
- // 01 = HDW_VSY_LD (standard = 0x795)
- // 0FF8 = V_SY_S
- // 0007 = V_SY_E
- // 02 = HDW_VBL_LD (standard = 0xAEF)
- // FE00 = VLAST
- // 01FF = V_BL_S
- // 03 = HDW_VINT
- // 04 = HDW_HSY_LD (standard = 0x5EEF)
- // FC00 = H_SY_E/2
- // 03FF = H_SY_S
- // 05 = HDW_HBL_LD (relief = 0x72AC, batman/thunderj = 0xBEB1, shuuz/offtwall = 0xCEB1)
- // F000 = LB_CLR
- // 0800 = H_BL_E/16
- // 0400 = H_BL_E/1
- // 03FF = H_BL_S
- // 06 = HDW_SLIP_LD (relief/batman/shuuz = 0x6F05, shuuz/offtwall = 0x0F05)
- // 7F00 = SLIP_S
- // 0080 = SLIP_E_SE1
- // 007F = SLIP_E
- // 07 = HDW_APDMA_LD (relief/batman/shuuz = 0xBE84, shuuz = 0xB90E, offtwall = 0xB90D)
- // C000 = OPFPIC
- // 3800 = PF_HRESET/16
- // 0780 = PFAT
- // 0070 = AL_HRESET (depending on ALHSIZ)
- // 000F = ALPHA_DMA
- // 08 = HDW_PMBASE_LD (relief/batman/shuuz = 0x0519, shuuz/offtwall = 0x49B4)
- // E000 = P1BASE/0x2000
- // 1C00 = P2BASE/0x2000
- // 0380 = PABASE/0x2000
- // 0040 = PMASK
- // 003E = MOBASE/0x800
- // 0001 = MOMASK
- // 09 = HDW_ALBASE_LD (relief/batman/shuuz = 0x061F, shuuz/offtwall = 0x017F)
- // 0400 = OPMINUS1
- // 03C0 = ALBASE/0x1000
- // 003F = SLIPBASE/0x80
- // 0A = HDW_OPT_LD (relief/batman/shuuz = 0x4410, shuuz = 0x0250, offtwall = 0x0A10)
- // 8000 = OPFHSIZ - subtract 1 from PF2 attribute horizontal stamp address
- // 4000 = OPIUM - playfield 2 enable
- // 2000 = OLS_EN - linescroll enable
- // 1000 = OSLPINK - split links enable
- // 0800 = OSLORAM - slow MO DMA cycles
- // 0400 = O_DCDMA - enable double time color RAM DMA cycles
- // 0200 = O_DVDMA - enable double time video RAM DMA cycles
- // 0100 = OADROEN - tristate address bus
- // 0080 = OAS_EN - enable autostore of playfield attributes
- // 0040 = OCRDWE - enable 8-bit color RAM
- // 0020 = OVRDTACK - wait for VRAM DMA on writes
- // 0010 = OCRDTACK - wait for CRAM DMA on writes
- // 0008 = OALHSIZ - alpha horiz stamp size (0=8)
- // 0004 = OPFHSIZ - PF horiz stamp size (0=8)
- // 0002 = OPFVSIZ - PF vertical stamp size (0=8)
- // 0001 = OMOVSIZ - MO vertical stamp size (0=8)
- // 10 = HDW_MOCON (MOB chip MOB code)
- // 11 = HDW_PCON (MOB chip PF code)
- // 12 = HDW_GRCON (MOB chip GR code)
- // 13 = MO_hscroll (9)
- // 14 = PF1_hscroll (A)
- // 15 = PF2_hscroll (B)
- // 16 = MO_vscroll (D)
- // 17 = PF1_vscroll (E)
- // 18 = PF2_vscroll (F)
- //
- // 3efffe = reset to wrong configuration?
- //
-
- case 0:
-//if (oldword != newword) printf("Word 0 = %04X\n", newword);
- break;
-
- // set the scanline interrupt here
- case 0x03:
- if (oldword != newword || !m_scanline_int_timer->enabled())
- m_scanline_int_timer->adjust(screen().time_until_pos(newword & 0x1ff));
- break;
-
- // latch enable
- case 0x0a:
- // check for palette banking
- if (m_palette_bank != (((newword & 0x0400) >> 10) ^ 1))
- {
- screen().update_partial(screen().vpos());
- m_palette_bank = ((newword & 0x0400) >> 10) ^ 1;
- }
-//if ((oldword & ~0x0080) != (newword & ~0x0080)) printf("Latch control = %04X\n", newword);
- break;
-
- // indexed parameters
- case 0x10: case 0x11: case 0x12: case 0x13:
- case 0x14: case 0x15: case 0x16: case 0x17:
- case 0x18: case 0x19: case 0x1a: case 0x1b:
- update_parameter(newword);
- break;
-
- // scanline IRQ ack here
- case 0x1e:
- m_scanline_int_cb(CLEAR_LINE);
- break;
-
- // log anything else
- default:
- if (oldword != newword)
- logerror("vc_w(%02X, %04X) ** [prev=%04X]\n", offset, newword, oldword);
- break;
- }
-}
-
-
-//-------------------------------------------------
-// update_pf_xscrolls: Update the playfield
-// scroll values.
-//-------------------------------------------------
-
-inline void atari_vad_device::update_pf_xscrolls()
-{
- m_playfield_tilemap->set_scrollx(0, m_pf0_xscroll_raw + ((m_pf1_xscroll_raw) & 7));
- if (m_playfield2_tilemap != nullptr)
- m_playfield2_tilemap->set_scrollx(0, m_pf1_xscroll_raw + 4);
-}
-
-
-//-------------------------------------------------
-// update_parameter: Update parameters, shared
-// between end-of-frame, tilerow updates, and
-// direct control writes.
-//-------------------------------------------------
-
-void atari_vad_device::update_parameter(uint16_t newword)
-{
- switch (newword & 15)
- {
- case 9:
- m_mo_xscroll = (newword >> 7) & 0x1ff;
- if (m_mob != nullptr)
- m_mob->set_xscroll(m_mo_xscroll);
- break;
-
- case 10:
- m_pf1_xscroll_raw = (newword >> 7) & 0x1ff;
- update_pf_xscrolls();
- break;
-
- case 11:
- m_pf0_xscroll_raw = (newword >> 7) & 0x1ff;
- update_pf_xscrolls();
- break;
-
- case 13:
- m_mo_yscroll = (newword >> 7) & 0x1ff;
- if (m_mob != nullptr)
- m_mob->set_yscroll(m_mo_yscroll);
- break;
-
- case 14:
- m_pf1_yscroll = (newword >> 7) & 0x1ff;
- if (m_playfield2_tilemap != nullptr)
- m_playfield2_tilemap->set_scrolly(0, m_pf1_yscroll);
- break;
-
- case 15:
- m_pf0_yscroll = (newword >> 7) & 0x1ff;
- m_playfield_tilemap->set_scrolly(0, m_pf0_yscroll);
- break;
- }
-}
-
-
-//-------------------------------------------------
-// update_tilerow: Fetch parameters stored at
-// the end of the current tilerow, which affect
-// rowscrolling.
-//-------------------------------------------------
-
-void atari_vad_device::update_tilerow(emu_timer &timer, int scanline)
-{
- // skip if out of bounds, or not enabled
- if (scanline <= screen().visible_area().max_y && (m_control[0x0a] & 0x2000) != 0 && m_alpha_tilemap != nullptr)
- {
- // iterate over non-visible alpha tiles in this row
- int offset = scanline / 8 * 64 + 48 + 2 * (scanline % 8);
- int data0 = m_alpha_tilemap->basemem_read(offset++);
- int data1 = m_alpha_tilemap->basemem_read(offset++);
-
- // force an update if we have data
- if (scanline > 0 && ((data0 | data1) & 15) != 0)
- screen().update_partial(scanline - 1);
-
- // write the data
- if ((data0 & 15) != 0)
- update_parameter(data0);
- if ((data1 & 15) != 0)
- update_parameter(data1);
- }
-
- // update the timer to go off at the start of the next row
- scanline += ((m_control[0x0a] & 0x2000) != 0) ? 1 : 8;
- if (scanline >= screen().height())
- scanline = 0;
- timer.adjust(screen().time_until_pos(scanline), scanline);
-}
-
-
-//-------------------------------------------------
-// eof_update: Callback that slurps up data and
-// feeds it into the video controller registers
-// every refresh.
-//-------------------------------------------------
-
-void atari_vad_device::eof_update(emu_timer &timer)
-{
- // echo all the commands to the video controller
- for (int i = 0; i < 0x1c; i++)
- if (m_eof_data[i] != 0)
- internal_control_write(i, m_eof_data[i]);
-
- // update the scroll positions
-/* atarimo_set_xscroll(0, m_mo_xscroll);
- atarimo_set_yscroll(0, m_mo_yscroll);
-
- update_pf_xscrolls();
-
- m_playfield_tilemap->set_scrolly(0, m_pf0_yscroll);
- if (m_playfield2_tilemap != nullptr)
- m_playfield2_tilemap->set_scrolly(0, m_pf1_yscroll);*/
- timer.adjust(screen().time_until_pos(0));
-
- // use this for debugging the video controller values
-#if 0
- if (machine().input().code_pressed(KEYCODE_8))
- {
- static FILE *out;
- if (!out) out = fopen("scroll.log", "w");
- if (out)
- {
- for (i = 0; i < 64; i++)
- fprintf(out, "%04X ", data[i]);
- fprintf(out, "\n");
- }
- }
-#endif
-}
-
-
-
/***************************************************************************
OVERALL INIT
***************************************************************************/