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https://github.com/holub/mame
synced 2025-04-22 08:22:15 +03:00
zac1b1120: shuffle around some source code and add section headers, added dodgem color overlay
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src/mame/layout/dodgem.lay
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18
src/mame/layout/dodgem.lay
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@ -0,0 +1,18 @@
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<?xml version="1.0"?>
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<!--
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license:CC0-1.0
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-->
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<mamelayout version="2">
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<element name="overlay">
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<rect><color red="0.2" green="1.0" blue="0.9" /></rect>
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</element>
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<view name="Color Overlay">
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<screen index="0">
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<bounds left="0" top="0" right="4" bottom="3" />
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</screen>
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<element ref="overlay" blend="multiply">
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<bounds left="0" top="0" right="4" bottom="3" />
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</element>
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</view>
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</mamelayout>
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@ -35,6 +35,7 @@
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#include "speaker.h"
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#include "tilemap.h"
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#include "dodgem.lh"
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#include "tinv2650.lh"
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@ -96,7 +97,51 @@ private:
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};
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// video
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/*******************************************************************************
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Video hardware
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*******************************************************************************/
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/*
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Video is slightly odd on these zac boards
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background is 256 x 240 pixels, but the sprite chips run at a different frequency, which means
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that the output of 196x240 is stretched to fill the same screen space.
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to 'properly' accomplish this, we set the screen up as 768x720 and do the background at 3 times
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the size, and the sprites as 4 times the size - everything then matches up correctly.
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*/
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void zac1b1120_state::palette(palette_device &palette) const
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{
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// FIXME: this PCB actually outputs RGB signals, not monochrome video!
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palette.set_pen_color(0, rgb_t::black());
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palette.set_pen_color(1, rgb_t::white());
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palette.set_pen_color(2, rgb_t::black());
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palette.set_pen_color(3, rgb_t::black());
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}
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TILE_GET_INFO_MEMBER(zac1b1120_state::get_bg_tile_info)
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{
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tileinfo.set(0, m_videoram[tile_index], 0, 0);
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}
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void zac1b1120_state::video_start()
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{
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m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(zac1b1120_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS, 8 * 3, 8, 32, 32);
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m_screen->register_screen_bitmap(m_bitmap);
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m_screen->register_screen_bitmap(m_spritebitmap);
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m_gfxdecode->gfx(1)->set_source(m_s2636_0_ram);
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m_gfxdecode->gfx(2)->set_source(m_s2636_0_ram);
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save_item(NAME(m_bitmap));
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save_item(NAME(m_spritebitmap));
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save_item(NAME(m_collision_background));
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save_item(NAME(m_collision_sprite));
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}
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void zac1b1120_state::videoram_w(offs_t offset, uint8_t data)
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{
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@ -124,20 +169,14 @@ void zac1b1120_state::s2636_w(offs_t offset, uint8_t data)
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}
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}
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uint8_t zac1b1120_state::port_0_r()
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{
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return m_1e80->read() - m_collision_background;
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}
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int zac1b1120_state::sprite_collision(int first, int second)
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{
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int checksum = 0;
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const rectangle &visarea = m_screen->visible_area();
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// Check for collision between 2 sprites
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if ((m_s2636_0_ram[first * 0x10 + 10] < 0xf0) && (m_s2636_0_ram[second * 0x10 + 10] < 0xf0))
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{
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int const fx = (m_s2636_0_ram[first * 0x10 + 10] * 4 )- 22;
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int const fx = (m_s2636_0_ram[first * 0x10 + 10] * 4) - 22;
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int const fy = m_s2636_0_ram[first * 0x10 + 12] + 1;
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int const expand = (first == 1) ? 2 : 1;
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@ -186,27 +225,6 @@ int zac1b1120_state::sprite_collision(int first, int second)
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return checksum;
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}
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TILE_GET_INFO_MEMBER(zac1b1120_state::get_bg_tile_info)
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{
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tileinfo.set(0, m_videoram[tile_index], 0, 0);
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}
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void zac1b1120_state::video_start()
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{
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m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(zac1b1120_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS, 8 * 3, 8, 32, 32);
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m_screen->register_screen_bitmap(m_bitmap);
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m_screen->register_screen_bitmap(m_spritebitmap);
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m_gfxdecode->gfx(1)->set_source(m_s2636_0_ram);
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m_gfxdecode->gfx(2)->set_source(m_s2636_0_ram);
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save_item(NAME(m_bitmap));
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save_item(NAME(m_spritebitmap));
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save_item(NAME(m_collision_background));
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save_item(NAME(m_collision_sprite));
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}
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void zac1b1120_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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const rectangle &visarea = m_screen->visible_area();
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@ -284,9 +302,32 @@ uint32_t zac1b1120_state::screen_update(screen_device &screen, bitmap_ind16 &bit
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}
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// machine
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/*******************************************************************************
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Misc. I/O
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*******************************************************************************/
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/***********************************************************************************************/
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uint8_t zac1b1120_state::port_0_r()
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{
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return m_1e80->read() - m_collision_background;
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}
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void zac1b1120_state::sound_w(uint8_t data)
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{
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// sounds are NOT the same as space invaders
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logerror("Register %x = Data %d\n", data & 0xfe, data & 0x01);
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// 08 = hit invader
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// 20 = bonus (extra base)
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// 40 = saucer
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// 84 = fire
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// 90 = die
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// c4 = hit saucer
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}
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/*******************************************************************************
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Address Maps
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*******************************************************************************/
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void zac1b1120_state::main_map(address_map &map)
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{
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@ -302,6 +343,11 @@ void zac1b1120_state::main_map(address_map &map)
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map(0x1f00, 0x1fff).rw(FUNC(zac1b1120_state::s2636_r), FUNC(zac1b1120_state::s2636_w)).share(m_s2636_0_ram);
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}
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/*******************************************************************************
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Input Ports
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*******************************************************************************/
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static INPUT_PORTS_START( tinvader )
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PORT_START("1E80")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
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@ -443,27 +489,9 @@ static INPUT_PORTS_START( dodgem )
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INPUT_PORTS_END
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void zac1b1120_state::palette(palette_device &palette) const
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{
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// FIXME: this PCB actually outputs RGB signals, not monochrome video!
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palette.set_pen_color(0, rgb_t::black());
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palette.set_pen_color(1, rgb_t::white());
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palette.set_pen_color(2, rgb_t::black());
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palette.set_pen_color(3, rgb_t::black());
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}
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/************************************************************************************************
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Video is slightly odd on these zac boards
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background is 256 x 240 pixels, but the sprite chips run at a different frequency, which means
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that the output of 196x240 is stretched to fill the same screen space.
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to 'properly' accomplish this, we set the screen up as 768x720 and do the background at 3 times
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the size, and the sprites as 4 times the size - everything then matches up correctly.
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************************************************************************************************/
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/*******************************************************************************
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GFX Layouts
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*******************************************************************************/
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static const gfx_layout s2636_character =
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{
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@ -482,6 +510,11 @@ static GFXDECODE_START( gfx_tinvader )
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GFXDECODE_SCALE( nullptr, 0x1f00, s2636_character, 0, 2, 8, 2 ) // dynamic
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GFXDECODE_END
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/*******************************************************************************
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Machine Configs
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*******************************************************************************/
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void zac1b1120_state::tinvader(machine_config &config)
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{
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// basic machine hardware
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@ -515,18 +548,10 @@ void zac1b1120_state::dodgem(machine_config &config)
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// TODO: sound board (different from The Invaders)
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}
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void zac1b1120_state::sound_w(uint8_t data)
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{
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// sounds are NOT the same as space invaders
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logerror("Register %x = Data %d\n", data & 0xfe, data & 0x01);
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// 08 = hit invader
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// 20 = bonus (extra base)
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// 40 = saucer
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// 84 = fire
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// 90 = die
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// c4 = hit saucer
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}
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/*******************************************************************************
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ROM Definitions
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*******************************************************************************/
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ROM_START( sia2650 )
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ROM_REGION( 0x8000, "maincpu", 0 )
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@ -570,6 +595,10 @@ ROM_END
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} // anonymous namespace
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/*******************************************************************************
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Game Drivers
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*******************************************************************************/
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GAMEL( 1979?, tinv2650, 0, tinvader, tinvader, zac1b1120_state, empty_init, ROT270, "Zaccaria / Zelco", "The Invaders", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE, layout_tinv2650 )
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GAME( 1979?, sia2650, tinv2650, tinvader, sinvader, zac1b1120_state, empty_init, ROT270, "bootleg (Sidam)", "Super Invader Attack (bootleg of The Invaders)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE ) // 1980?
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GAME( 1979, dodgem, 0, dodgem, dodgem, zac1b1120_state, empty_init, ROT0, "Zaccaria", "Dodgem", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
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GAMEL( 1979, dodgem, 0, dodgem, dodgem, zac1b1120_state, empty_init, ROT0, "Zaccaria", "Dodgem", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE, layout_dodgem )
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