summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/misc/freeway.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/misc/freeway.cpp')
-rw-r--r--src/mame/misc/freeway.cpp106
1 files changed, 94 insertions, 12 deletions
diff --git a/src/mame/misc/freeway.cpp b/src/mame/misc/freeway.cpp
index c7d9a022fb7..84f6a978cab 100644
--- a/src/mame/misc/freeway.cpp
+++ b/src/mame/misc/freeway.cpp
@@ -9,6 +9,7 @@
*********************************************************************/
#include "emu.h"
+
#include "bus/rs232/rs232.h"
#include "cpu/i86/i86.h"
#include "machine/ins8250.h"
@@ -16,6 +17,7 @@
#include "machine/pic8259.h"
#include "machine/timekpr.h"
#include "video/mc6845.h"
+
#include "emupal.h"
#include "screen.h"
@@ -31,6 +33,8 @@ public:
, m_pic(*this, "pic")
, m_charram(*this, "charram")
, m_colorram(*this, "colorram")
+ , m_gfx_rom(*this, "gfx")
+ , m_color_rom(*this, "color_rom")
, m_lamps(*this, "lamp%u", 1U)
{
}
@@ -40,15 +44,15 @@ public:
void nmi_w(int state);
protected:
- virtual void machine_start() override;
+ virtual void machine_start() override ATTR_COLD;
private:
MC6845_UPDATE_ROW(update_row);
void lamps_w(u8 data);
- void mem_map(address_map &map);
- void io_map(address_map &map);
+ void mem_map(address_map &map) ATTR_COLD;
+ void io_map(address_map &map) ATTR_COLD;
required_device<cpu_device> m_maincpu;
required_device<pic8259_device> m_pic;
@@ -56,7 +60,12 @@ private:
required_shared_ptr<u8> m_charram;
required_shared_ptr<u8> m_colorram;
+ required_region_ptr<u8> m_gfx_rom;
+ required_region_ptr<u8> m_color_rom;
+
output_finder<3> m_lamps;
+
+ void palette_init(palette_device &palette) const;
};
void freeway_state::machine_start()
@@ -64,8 +73,32 @@ void freeway_state::machine_start()
m_lamps.resolve();
}
+// TODO: just the minimum to show errors on screen
MC6845_UPDATE_ROW(freeway_state::update_row)
{
+ uint16_t x = 0;
+
+ for (uint8_t cx = 0; cx < x_count; cx++)
+ {
+ int const attr = m_colorram[ma & 0xfff];
+ int addr = ((m_charram[ma & 0xfff] | ((attr & 0x10) << 5)) << 3) | (ra & 0x07);
+
+ uint8_t const *const data = m_gfx_rom;
+
+ for (int i = 7; i >= 0; i--)
+ {
+ int col = 0;
+ col |= (BIT(data[0x0000 | addr], i) << 2);
+ col |= (BIT(data[0x8000 | addr], i) << 1);
+ col |= (BIT(data[0x10000 | addr], i) << 0);
+
+ const u32 pen = (BIT(col, 2) ? 0xff : 0) | (BIT(col, 1) ? 0xff00 : 0) | (BIT(col, 0) ? 0xff0000 : 0);
+ bitmap.pix(y, x) = pen;
+
+ x++;
+ }
+ ma++;
+ }
}
void freeway_state::lamps_w(u8 data)
@@ -83,8 +116,8 @@ void freeway_state::mem_map(address_map &map)
{
map(0x00000, 0x07fff).ram();
map(0x08000, 0x09fff).rw("timekpr", FUNC(timekeeper_device::read), FUNC(timekeeper_device::write));
- map(0xa0000, 0xa0fff).ram().share("charram");
- map(0xa4000, 0xa4fff).ram().share("colorram");
+ map(0xa0000, 0xa0fff).ram().share(m_charram);
+ map(0xa4000, 0xa4fff).ram().share(m_colorram);
map(0xf0000, 0xfffff).rom().region("program", 0);
}
@@ -95,6 +128,7 @@ void freeway_state::io_map(address_map &map)
map(0x0040, 0x0047).rw("uart", FUNC(ns16450_device::ins8250_r), FUNC(ns16450_device::ins8250_w));
map(0x00a3, 0x00a3).w(FUNC(freeway_state::lamps_w));
map(0x00d0, 0x00d0).portr("CONFIG");
+ map(0x00d1, 0x00d1).portr("INPUTS");
map(0x03d0, 0x03d0).w("crtc", FUNC(mc6845_device::address_w));
map(0x03d1, 0x03d1).w("crtc", FUNC(mc6845_device::register_w));
}
@@ -107,14 +141,62 @@ static INPUT_PORTS_START(freeway)
PORT_BIT(0x08, 0x08, IPT_UNKNOWN)
PORT_BIT(0xf6, 0xf6, IPT_UNKNOWN) // probably unused
+ PORT_START("INPUTS")
+ PORT_DIPNAME( 0x01, 0x01, "IN0.1" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_GAMBLE_BOOK ) // brings up the 'auditoria' screen in freeway
+ PORT_DIPNAME( 0x04, 0x04, "IN0.3" )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, "IN0.4" )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, "IN0.5" ) // increases the 'num dias' value in freeway
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, "IN0.6" )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, "IN0.7" )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, "IN0.8" )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
PORT_START("RESET")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_MEMORY_RESET) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, freeway_state, nmi_w)
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_MEMORY_RESET) PORT_WRITE_LINE_MEMBER(FUNC(freeway_state::nmi_w))
INPUT_PORTS_END
static GFXDECODE_START(gfx_freeway)
- GFXDECODE_ENTRY("gfx", 0, gfx_8x8x3_planar, 0x0, 1)
+ GFXDECODE_ENTRY("gfx", 0, gfx_8x8x3_planar, 0x0, 0x20)
GFXDECODE_END
+// TODO: diverges between freeway and freewaya
+// makes more sense with latter, different?
+void freeway_state::palette_init(palette_device &palette) const
+{
+ uint8_t const *const data = m_color_rom;
+
+ u8 value = 0;
+
+ for (int i = 0; i < palette.entries(); i++)
+ {
+ value = data[i + 0x7c00];
+ int const r = (value == 0xff) ? 0 : 0x0e * BIT(value, 0) + 0x1f * BIT(value, 1) + 0x43 * BIT(value, 2) + 0x8f * BIT(value, 3);
+
+ value = data[i + 0x7d00];
+ int const g = (value == 0xff) ? 0 : 0x0e * BIT(value, 0) + 0x1f * BIT(value, 1) + 0x43 * BIT(value, 2) + 0x8f * BIT(value, 3);
+
+ value = data[i + 0x7f00];
+ int const b = (value == 0xff) ? 0 : 0x0e * BIT(value, 0) + 0x1f * BIT(value, 1) + 0x43 * BIT(value, 2) + 0x8f * BIT(value, 3);
+
+ palette.set_pen_color(i, rgb_t(r, g, b));
+ }
+}
+
+
void freeway_state::freeway(machine_config &config)
{
I8088(config, m_maincpu, 10_MHz_XTAL / 2); // divider unknown
@@ -134,7 +216,7 @@ void freeway_state::freeway(machine_config &config)
screen.set_raw(10_MHz_XTAL / 2, 320, 0, 256, 312, 0, 256);
screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
- PALETTE(config, "palette").set_entries(0x10);
+ PALETTE(config, "palette", FUNC(freeway_state::palette_init), 0x100);
GFXDECODE(config, "gfxdecode", "palette", gfx_freeway);
mc6845_device &crtc(MC6845(config, "crtc", 10_MHz_XTAL / 16));
@@ -175,7 +257,7 @@ ROM_START(freeway)
ROM_LOAD("sb_52.bin", 0x08000, 0x8000, CRC(f2b33acd) SHA1(e4786b4f00871d771aadacd9d6ec767691f4d939))
ROM_LOAD("sb_53.bin", 0x10000, 0x8000, CRC(50407ae6) SHA1(2c6c4803905bed5f27c6783f99a24f8dee62c19b))
- ROM_REGION(0x8000, "cor", 0)
+ ROM_REGION(0x8000, "color_rom", 0)
ROM_LOAD("sb_cor.bin", 0x0000, 0x8000, CRC(5f86a160) SHA1(f21b7e0e6a407371c252d6fde6fcb32a2682824c)) // all 0xFF fill until 0x7C00; valid data is only 4 bits wide
ROM_END
@@ -188,7 +270,7 @@ ROM_START(freewaya)
ROM_LOAD("rgb 2fw 256 vr 512b", 0x08000, 0x8000, CRC(ed1bb4d8) SHA1(78f9eced819c1fa269e685bb176671158ffcec26))
ROM_LOAD("rgb 3fw 256 vr 512b", 0x10000, 0x8000, CRC(c685c530) SHA1(deec9ce1df500f14b9ebd007d482473f97b3ecf3))
- ROM_REGION(0x8000, "cor", 0)
+ ROM_REGION(0x8000, "color_rom", 0)
ROM_LOAD("color_431b_eprom-256", 0x0000, 0x8000, CRC(e49fc782) SHA1(2c50cf644b7c6449880ed3d6e778ba116e123ae2)) // FIXED BITS (0000xxxx)
ROM_REGION(0x21ee, "nvram", 0)
@@ -198,5 +280,5 @@ ROM_END
} // anonymous namespace
-GAME(1999, freeway, 0, freeway, freeway, freeway_state, empty_init, ROT0, "NVC Electronica", "FreeWay (V5.12)", MACHINE_IS_SKELETON)
-GAME(1997, freewaya, freeway, freeway, freeway, freeway_state, empty_init, ROT0, "NVC Electronica", "FreeWay (V4.31)", MACHINE_IS_SKELETON)
+GAME(1999, freeway, 0, freeway, freeway, freeway_state, empty_init, ROT0, "NVC Electronica", "FreeWay (V5.12)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING)
+GAME(1997, freewaya, freeway, freeway, freeway, freeway_state, empty_init, ROT0, "NVC Electronica", "FreeWay (V4.31)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING)