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new NOT WORKING Space Invaders (Radica, Arcade Legends TV Game) [Team Europe, Sean Riddle] (#3036)
* new NOT WORKING Space Invaders (Radica, Arcade Legends TV Game) [Team Europe, Sean Riddle] (not sure what this is really called, it's a 5-in-1, it probably contains a customized 6502 core, or there should be an internal bootstrap rom) * typo (nw) * based on a jump to e092 which looks like it should maybe skip an opcode this seems a more possible mapping (nw) * actually vectors are right there (nw) * memory map improvements (nw) * various notes etc. (nw) * various banking bits (nw) * actually remember to hook up the read (nw) * clearly inputs (nw) * show that the game is actually running, even if we don't understand the video format, there's clearly some kind of tilemap structure in ram (nw) * this is bitmap ram on qix (nw) * didn't mean to change this (nw) * gfx are stored more like texture pages?! (nw)
This commit is contained in:
David Haywood
R. Belmont
parent
da0f38a64d
commit
eb7894d126
@ -3611,6 +3611,7 @@ files {
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MAME_DIR .. "src/mame/drivers/qtsbc.cpp",
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MAME_DIR .. "src/mame/drivers/qvt6800.cpp",
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MAME_DIR .. "src/mame/drivers/rd100.cpp",
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MAME_DIR .. "src/mame/drivers/radicasi.cpp",
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MAME_DIR .. "src/mame/drivers/rvoice.cpp",
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MAME_DIR .. "src/mame/drivers/sacstate.cpp",
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MAME_DIR .. "src/mame/drivers/sbrain.cpp",
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294
src/mame/drivers/radicasi.cpp
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294
src/mame/drivers/radicasi.cpp
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@ -0,0 +1,294 @@
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// license:BSD-3-Clause
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// copyright-holders:David Haywood, R.Belmont
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#include "emu.h"
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#include "cpu/m6502/m6502.h"
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#include "screen.h"
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#include "speaker.h"
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#include "machine/bankdev.h"
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//#include "cpu/m6502/r65c02.h"
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class radicasi_state : public driver_device
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{
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public:
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radicasi_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_ram(*this, "ram"),
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m_pixram(*this, "pixram"),
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m_bank(*this, "bank"),
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m_gfxdecode(*this, "gfxdecode")
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{ }
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// screen updates
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_WRITE8_MEMBER(radicasi_500c_w);
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DECLARE_WRITE8_MEMBER(radicasi_500d_w);
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DECLARE_READ8_MEMBER(radicasi_500d_r);
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DECLARE_READ8_MEMBER(radicasi_50a8_r);
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protected:
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// driver_device overrides
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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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required_device<cpu_device> m_maincpu;
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required_shared_ptr<uint8_t> m_ram;
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required_shared_ptr<uint8_t> m_pixram;
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required_device<address_map_bank_device> m_bank;
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required_device<gfxdecode_device> m_gfxdecode;
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uint8_t m_500d_data;
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int m_hackmode;
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};
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void radicasi_state::video_start()
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{
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m_hackmode = 0;
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}
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uint32_t radicasi_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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bitmap.fill(0, cliprect);
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if (machine().input().code_pressed_once(KEYCODE_Q))
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{
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m_hackmode++;
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m_hackmode &= 3;
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}
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// it is unclear if the tilemap is an internal structure or something actually used by the video rendering
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int offs = 0x600;
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if (m_hackmode == 0) // 16x16 tiles (menu)
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{
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gfx_element *gfx = m_gfxdecode->gfx(1);
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for (int y = 0; y < 16; y++)
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{
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for (int x = 0; x < 16; x++)
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{
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int tile = m_ram[offs];
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gfx->transpen(bitmap, cliprect, tile, 0, 0, 0, x * 16, y * 16, 0);
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offs += 4;
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}
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}
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}
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else if (m_hackmode == 1) // 8x8 tiles (games?)
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{
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gfx_element *gfx = m_gfxdecode->gfx(0);
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for (int y = 0; y < 32; y++)
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{
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for (int x = 0; x < 32; x++)
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{
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int tile = m_ram[offs];
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gfx->transpen(bitmap, cliprect, tile, 0, 0, 0, x * 8, y * 8, 0);
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offs += 4;
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}
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}
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}
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else if (m_hackmode == 2) // qix
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{
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for (int y = 0; y < 224; y++)
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{
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uint16_t* row = &bitmap.pix16(y);
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for (int x = 0; x < 256; x++)
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{
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int pixel = m_pixram[offs];
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if (pixel) row[x] = pixel;
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offs++;
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}
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}
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}
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return 0;
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}
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WRITE8_MEMBER(radicasi_state::radicasi_500c_w)
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{
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// written with the banking?
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logerror("%s: radicasi_500c_w %02x\n", machine().describe_context().c_str(), data);
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m_bank->set_bank(m_500d_data);
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}
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READ8_MEMBER(radicasi_state::radicasi_500d_r)
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{
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return m_500d_data;
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}
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WRITE8_MEMBER(radicasi_state::radicasi_500d_w)
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{
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logerror("%s: radicasi_500d_w %02x\n", machine().describe_context().c_str(), data);
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m_500d_data = data;
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}
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READ8_MEMBER(radicasi_state::radicasi_50a8_r)
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{
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logerror("%s: radicasi_50a8_r\n", machine().describe_context().c_str());
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return 0x3f;
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}
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static ADDRESS_MAP_START( radicasi_map, AS_PROGRAM, 8, radicasi_state )
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AM_RANGE(0x0000, 0x3fff) AM_RAM AM_SHARE("ram") // ends up copying code to ram, but could be due to banking issues
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AM_RANGE(0x4800, 0x49ff) AM_RAM
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AM_RANGE(0x500c, 0x500c) AM_WRITE(radicasi_500c_w)
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AM_RANGE(0x500d, 0x500d) AM_READWRITE(radicasi_500d_r, radicasi_500d_w)
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AM_RANGE(0x5041, 0x5041) AM_READ_PORT("IN0") // AM_READ(radicasi_5041_r)
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AM_RANGE(0x50a8, 0x50a8) AM_READ(radicasi_50a8_r)
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AM_RANGE(0x6000, 0xdfff) AM_DEVICE("bank", address_map_bank_device, amap8)
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AM_RANGE(0xe000, 0xffff) AM_ROM AM_REGION("maincpu", 0xf8000)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( radicasi_bank_map, AS_PROGRAM, 8, radicasi_state )
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AM_RANGE(0x000000, 0x00ffff) AM_RAM AM_SHARE("pixram") // qix accesses here when 500c is 01 (which could be an additional bank bit)
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AM_RANGE(0x300000, 0x3fffff) AM_ROM AM_REGION("maincpu", 0)
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AM_RANGE(0x400000, 0x40ffff) AM_RAM // could be tileram? or spriteram? only cleared tho, so would be populated with DMA?
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ADDRESS_MAP_END
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static INPUT_PORTS_START( radicasi )
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PORT_START("IN0")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 )
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INPUT_PORTS_END
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void radicasi_state::machine_start()
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{
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uint8_t *rom = memregion("maincpu")->base();
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/* both NMI and IRQ vectors just point to RTI
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there is a table of jumps just before that, those appear to be the real interrupt functions?
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patch the main IRQ to be the one that decreases an address the code is waiting for
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the others look like they might be timer service routines
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*/
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rom[0xf9ffe] = 0xd4;
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rom[0xf9fff] = 0xff;
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/*
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d8000-dffff maps to 6000-dfff
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e0000-e7fff maps to 6000-dfff
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e8000-effff maps to 6000-dfff
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f0000-f7fff maps to 6000-dfff
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f8000-fffff maps to 6000-dfff (but f8000-f9fff mapping to 6000-7fff isn't used, because it's the fixed area below - make sure nothing else gets mapped there instead)
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-- fixed
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f8000-f9fff maps to e000-ffff
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*/
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m_bank->set_bank(0x7f);
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}
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void radicasi_state::machine_reset()
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{
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}
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// these are fake, should be decoded from RAM, or not tile based (although game does seem to have 'tilemap' structures in RAM
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static const gfx_layout helper_layout =
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{
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8,8,
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RGN_FRAC(1,1),
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4,
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{ 0,1,2,3 },
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{ STEP8(0,4) },
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{ STEP8(0,32) },
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8 * 32
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};
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static const gfx_layout helper2_layout =
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{
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16,16,
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RGN_FRAC(1,1),
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4,
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{ 0,1,2,3 },
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{ STEP16(0,4) },
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{ STEP16(0,64) },
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16 * 64
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};
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static const uint32_t texlayout_xoffset[256] = { STEP256(0,8) };
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static const uint32_t texlayout_yoffset[256] = { STEP256(0,256*8) };
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static const gfx_layout helper3_layout =
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{
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256, 256,
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RGN_FRAC(1,1),
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8,
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{ 0,1,2,3,4,5,6,7 },
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EXTENDED_XOFFS,
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EXTENDED_YOFFS,
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256*256*8,
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texlayout_xoffset,
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texlayout_yoffset
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};
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static GFXDECODE_START( radicasi_fake )
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GFXDECODE_ENTRY( "maincpu", 0, helper_layout, 0x0, 1 )
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GFXDECODE_ENTRY( "maincpu", 0, helper2_layout, 0x0, 1 )
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GFXDECODE_ENTRY( "maincpu", 0, helper3_layout, 0x0, 1 )
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GFXDECODE_END
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static MACHINE_CONFIG_START( radicasi )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu",M6502,8000000) // unknown frequency
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MCFG_CPU_PROGRAM_MAP(radicasi_map)
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MCFG_CPU_VBLANK_INT_DRIVER("screen", radicasi_state, irq0_line_hold)
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MCFG_DEVICE_ADD("bank", ADDRESS_MAP_BANK, 0)
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MCFG_DEVICE_PROGRAM_MAP(radicasi_bank_map)
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MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
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MCFG_ADDRESS_MAP_BANK_DATA_WIDTH(8)
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MCFG_ADDRESS_MAP_BANK_ADDR_WIDTH(32)
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MCFG_ADDRESS_MAP_BANK_STRIDE(0x8000)
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/* video hardware */
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
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MCFG_SCREEN_UPDATE_DRIVER(radicasi_state, screen_update)
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MCFG_SCREEN_SIZE(32*8, 32*8)
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MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1)
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MCFG_SCREEN_PALETTE("palette")
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MCFG_PALETTE_ADD("palette", 256)
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", radicasi_fake)
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/* sound hardware */
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MACHINE_CONFIG_END
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ROM_START( radicasi )
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ROM_REGION( 0x100000, "maincpu", ROMREGION_ERASE00 )
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ROM_LOAD( "spaceinvadersrom.bin", 0x000000, 0x100000, CRC(5ffb2c8f) SHA1(9bde42ec5c65d9584a802de7d7c8b842ebf8cbd8) )
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ROM_END
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CONS( 200?, radicasi, 0, 0, radicasi, radicasi, radicasi_state, 0, "Radica (licensed from Taito)", "Space Invaders (Radica, Arcade Legends TV Game)", MACHINE_IS_SKELETON )
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@ -32402,6 +32402,9 @@ r9751 // ROLM 9751 phone system
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@source:rabbit.cpp
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rabbit // (c) 1997 Electronic Arts
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@source:radicasi.cpp
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radicasi
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@source:radio86.cpp
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impuls03 //
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kr03 //
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