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https://github.com/holub/mame
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ddealer: remove obsolete todo note, small cleanup
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hap
parent
60a36e1614
commit
b45dd489cf
@ -82,6 +82,7 @@ known chips:
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C89 HD44801 1985, CXG Portachess (1985 version) -> cxg/computachess.cpp
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*A86 HD44820 1983, Chess King Pocket Micro / Mighty Midget
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*B46 HD44820 1984, Chess King Pocket Micro Deluxe
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*B63 HD44820 1985, CXG Pocket Chess (12 buttons)
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*A13 HD44840 1982, CXG Computachess II
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@ -10,11 +10,10 @@
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TODO:
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- Understand better the video emulation and convert it to tilemaps;
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- Check audio IRQ frequency (controls music tempo, if too high 2 Player mode becomes slow)
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==========================================================================================================
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pcb marked GD91071
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pcb marked GD91071
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68000P10
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YM2203C
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@ -30,12 +29,13 @@
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*********************************************************************************************************/
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "cpu/tlcs90/tlcs90.h"
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#include "machine/timer.h"
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#include "sound/ymopn.h"
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#include "emupal.h"
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#include "screen.h"
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#include "speaker.h"
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@ -67,6 +67,11 @@ public:
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void ddealer(machine_config &config);
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protected:
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virtual void machine_start() override;
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virtual void machine_reset() override;
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virtual void video_start() override;
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private:
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void flipscreen_w(u16 data);
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void back_vram_w(offs_t offset, u16 data, u16 mem_mask = ~0);
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@ -89,12 +94,7 @@ private:
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void ddealer_map(address_map &map);
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void prot_map(address_map &map);
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virtual void machine_start() override;
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virtual void machine_reset() override;
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virtual void video_start() override;
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TIMER_DEVICE_CALLBACK_MEMBER(ddealer_scanline);
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void set_interrupt_timing(machine_config &config);
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// memory pointers
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required_shared_ptr<u16> m_vregs;
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@ -119,8 +119,8 @@ private:
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tilemap_t *m_fg_tilemap_left;
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tilemap_t *m_fg_tilemap_right;
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u8 m_bus_status;
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u8 m_interrupt_trigger;
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u8 m_bus_status = 0;
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u8 m_interrupt_trigger = 0;
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};
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void ddealer_state::machine_start()
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@ -175,8 +175,7 @@ void ddealer_state::mcu_side_shared_w(offs_t offset, u8 data)
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u8 ddealer_state::mcu_side_shared_r(offs_t offset)
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{
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u8 retval = m_maincpu->space(AS_PROGRAM).read_byte((offset));
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return retval;
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return m_maincpu->space(AS_PROGRAM).read_byte(offset);
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}
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void ddealer_state::prot_map(address_map &map)
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@ -201,20 +200,14 @@ TILE_GET_INFO_MEMBER(ddealer_state::get_back_tile_info)
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{
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u32 code, color;
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get_tile_info(m_back_vram[tile_index], code, color);
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tileinfo.set(0,
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code,
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color,
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0);
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tileinfo.set(0, code, color, 0);
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}
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TILE_GET_INFO_MEMBER(ddealer_state::get_fg_tile_info)
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{
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u32 code, color;
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get_tile_info(m_fg_vram[tile_index], code, color);
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tileinfo.set(1,
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code,
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color,
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0);
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tileinfo.set(1, code, color, 0);
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}
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template<unsigned Offset>
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@ -222,10 +215,7 @@ TILE_GET_INFO_MEMBER(ddealer_state::get_fg_splitted_tile_info)
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{
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u32 code, color;
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get_tile_info(m_fg_vram[Offset + (tile_index & 0x17ff)], code, color);
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tileinfo.set(1,
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code,
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color,
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0);
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tileinfo.set(1, code, color, 0);
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}
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TILEMAP_MAPPER_MEMBER(ddealer_state::scan_fg)
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@ -237,17 +227,17 @@ void ddealer_state::video_start()
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{
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m_back_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_back_tile_info)), TILEMAP_SCAN_COLS, 8, 8, 64, 32);
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m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode,
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tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_fg_tile_info)),
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tilemap_mapper_delegate(*this, FUNC(ddealer_state::scan_fg)),
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16, 16, 256, 32);
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tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_fg_tile_info)),
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tilemap_mapper_delegate(*this, FUNC(ddealer_state::scan_fg)),
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16, 16, 256, 32);
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m_fg_tilemap_left = &machine().tilemap().create(*m_gfxdecode,
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tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_fg_splitted_tile_info<0>)),
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tilemap_mapper_delegate(*this, FUNC(ddealer_state::scan_fg)),
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16, 16, 128, 32);
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tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_fg_splitted_tile_info<0>)),
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tilemap_mapper_delegate(*this, FUNC(ddealer_state::scan_fg)),
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16, 16, 128, 32);
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m_fg_tilemap_right = &machine().tilemap().create(*m_gfxdecode,
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tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_fg_splitted_tile_info<0x800>)),
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tilemap_mapper_delegate(*this, FUNC(ddealer_state::scan_fg)),
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16, 16, 128, 32);
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tilemap_get_info_delegate(*this, FUNC(ddealer_state::get_fg_splitted_tile_info<0x800>)),
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tilemap_mapper_delegate(*this, FUNC(ddealer_state::scan_fg)),
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16, 16, 128, 32);
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m_fg_tilemap->set_transparent_pen(15);
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m_fg_tilemap_left->set_transparent_pen(15);
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@ -431,11 +421,6 @@ static GFXDECODE_START( gfx_ddealer )
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GFXDECODE_ENTRY( "fgrom", 0, gfx_8x8x4_col_2x2_group_packed_msb, 0x100, 16 )
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GFXDECODE_END
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/***************************************************************************
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Interrupt Handlers
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***************************************************************************/
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/*
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Summary of triggered IRQs:
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@ -444,6 +429,8 @@ GFXDECODE_END
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- IRQ4: (VBOUT)
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- At 240 scanline (VBOUT = start of VBLANK = end of active video)
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Refer to nmk16.cpp for a more thorough description.
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*/
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TIMER_DEVICE_CALLBACK_MEMBER(ddealer_state::ddealer_scanline)
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{
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@ -467,7 +454,6 @@ TIMER_DEVICE_CALLBACK_MEMBER(ddealer_state::ddealer_scanline)
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// every PROM entry is addressed each 2 scanlines, so only even lines are actually addressing it:
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if ((scanline & 0x1) == 0x0)
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{
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int promAddress = (((scanline / 2) + PROM_FRAME_OFFSET) % (len - PROM_START_OFFSET)) + PROM_START_OFFSET;
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LOG("ddealer_scanline: Scanline: %03d - Current PROM entry: %03d\n", scanline, promAddress);
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@ -478,7 +464,6 @@ TIMER_DEVICE_CALLBACK_MEMBER(ddealer_state::ddealer_scanline)
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u8 trigger = BIT(val, TRIGG_INDEX);
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if (m_interrupt_trigger == 0 && trigger == 1)
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{
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u8 int_level = bitswap<3>(val, IPL2_INDEX, IPL1_INDEX, IPL0_INDEX);
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if (int_level > 0)
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{
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@ -491,18 +476,13 @@ TIMER_DEVICE_CALLBACK_MEMBER(ddealer_state::ddealer_scanline)
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}
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}
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void ddealer_state::set_interrupt_timing(machine_config &config)
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{
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TIMER(config, "scantimer").configure_scanline(FUNC(ddealer_state::ddealer_scanline), "screen", 0, 1);
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}
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void ddealer_state::ddealer(machine_config &config)
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{
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M68000(config, m_maincpu, XTAL(16'000'000)/2); /* 8MHz */
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M68000(config, m_maincpu, 16_MHz_XTAL/2); // 8MHz
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m_maincpu->set_addrmap(AS_PROGRAM, &ddealer_state::ddealer_map);
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set_interrupt_timing(config);
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TIMER(config, "scantimer").configure_scanline(FUNC(ddealer_state::ddealer_scanline), "screen", 0, 1);
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TMP91640(config, m_protcpu, XTAL(16'000'000)/4); // Toshiba TMP91640 marked as NMK-110, with 16Kbyte internal ROM, 512bytes internal RAM
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TMP91640(config, m_protcpu, 16_MHz_XTAL/4); // Toshiba TMP91640 marked as NMK-110, with 16Kbyte internal ROM, 512bytes internal RAM
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m_protcpu->set_addrmap(AS_PROGRAM, &ddealer_state::prot_map);
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m_protcpu->port_write<6>().set(FUNC(ddealer_state::mcu_port6_w));
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m_protcpu->port_read<5>().set(FUNC(ddealer_state::mcu_port5_r));
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@ -513,35 +493,35 @@ void ddealer_state::ddealer(machine_config &config)
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GFXDECODE(config, m_gfxdecode, m_palette, gfx_ddealer);
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screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
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screen.set_raw(XTAL(16'000'000)/2, 512, 28, 412, 278, 16, 240); // confirmed
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screen.set_raw(16_MHz_XTAL/2, 512, 28, 412, 278, 16, 240); // confirmed
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screen.set_screen_update(FUNC(ddealer_state::screen_update));
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screen.set_palette(m_palette);
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PALETTE(config, m_palette).set_format(palette_device::RRRRGGGGBBBBRGBx, 0x200);
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SPEAKER(config, "mono").front_center();
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YM2203(config, "ymsnd", XTAL(6'000'000) / 8).add_route(ALL_OUTPUTS, "mono", 0.40); /* 7.5KHz */
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YM2203(config, "ymsnd", 6_MHz_XTAL / 8).add_route(ALL_OUTPUTS, "mono", 0.40); // 7.5kHz
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}
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ROM_START( ddealer )
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ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
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ROM_REGION( 0x40000, "maincpu", 0 ) // 68000 Code
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ROM_LOAD16_BYTE( "1.ic6", 0x00001, 0x20000, CRC(ce0dff50) SHA1(2d7a03f6b9609aea7511a4dc49560a901b0b9f19) )
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ROM_LOAD16_BYTE( "2.ic28", 0x00000, 0x20000, CRC(f00c346f) SHA1(bd73efb19d5f9efc88210d92a82a3f4595b41097) )
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ROM_REGION( 0x04000, "protcpu", 0 )
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ROM_LOAD( "nmk-110_ddealer.bin", 0x0000, 0x4000, CRC(088db9b4) SHA1(71946399e37ffa9293eceac637b76c9169ac16e6) ) // chip markings are identical to nmk-110 on thunder dragon, code is confirmed to be different
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ROM_REGION( 0x20000, "bgrom", 0 ) /* BG */
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ROM_REGION( 0x20000, "bgrom", 0 ) // BG
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ROM_LOAD( "4.ic65", 0x00000, 0x20000, CRC(4939ff1b) SHA1(af2f2feeef5520d775731a58cbfc8fcc913b7348) )
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ROM_REGION( 0x80000, "fgrom", 0 ) /* FG */
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ROM_REGION( 0x80000, "fgrom", 0 ) // FG
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ROM_LOAD( "3.ic64", 0x00000, 0x80000, CRC(660e367c) SHA1(54827a8998c58c578c594126d5efc18a92363eaa))
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ROM_REGION( 0x0100, "htiming", 0 )
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ROM_LOAD( "6.ic86", 0x0000, 0x0100, CRC(435653a2) SHA1(575b4a46ea65179de3042614da438d2f6d8b572e) ) // 82S129
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ROM_LOAD( "6.ic86", 0x0000, 0x0100, CRC(435653a2) SHA1(575b4a46ea65179de3042614da438d2f6d8b572e) ) // 82S129
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ROM_REGION( 0x0100, "vtiming", 0 )
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ROM_LOAD( "5.ic67", 0x0000, 0x0100, CRC(1d3d7e17) SHA1(b5aa0d024f0c0b5f72a2d0a23d1576775a7b3826) ) // 82S135
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ROM_LOAD( "5.ic67", 0x0000, 0x0100, CRC(1d3d7e17) SHA1(b5aa0d024f0c0b5f72a2d0a23d1576775a7b3826) ) // 82S135
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ROM_END
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} // anonymous namespace
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