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Fixed emulation of the extra z80 in Terra Force bootleg set (used as a replacement for the protection), promoting it to working [Angelo Salese]
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Angelo Salese
parent
db8e4df4e5
commit
57c32eab33
@ -23,7 +23,10 @@ actually bootlegs.
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TODO:
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- simulate the mcu/blitter (particularly needed in terrafu and legion)
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-- or figure out which chip it is, decap it, and emulate it.
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- time over doesn't kill the player in Kodure Ookami;
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- attract mode has a glitch with the "Terra Force" title screen at the left-right edges of the screen.
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could be due of protection;
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- priorities, especially with the text layer (Terra Force);
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@ -141,21 +144,15 @@ Stephh's notes (based on the games M68000 code and some tests) :
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0x020000-0x024fff and 0x040000-0x04ffff, and reports an error if
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the checksum isn't correct.
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========================================================================
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DIP locations verified for:
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-cclimbr2
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-legion
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-terraf
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***********************************************************************/
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/*
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2003-06-01 Added cocktail support to all games
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2005-04-02 Sebastien Chevalier : various update to video on terrafu, plus some typos here and there
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DIP locations verified for:
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-cclimbr2
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-legion
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-terraf
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*/
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#include "emu.h"
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#include "deprecat.h"
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@ -206,6 +203,19 @@ static WRITE16_HANDLER( terraf_io_w )
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//logerror("VReg = %04x\n", state->m_vreg);
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}
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static WRITE16_HANDLER( terrafb_io_w )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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if(data & 0x4000 && ((state->m_vreg & 0x4000) == 0)) //0 -> 1 transition
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cputag_set_input_line(space->machine(), "extra", 0, HOLD_LINE);
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COMBINE_DATA(&state->m_vreg);
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/* bits 0 and 1 of armedf_vreg are coin counters */
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/* bit 12 seems to handle screen flipping */
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flip_screen_set(space->machine(), state->m_vreg & 0x1000);
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}
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static WRITE16_HANDLER( kodure_io_w )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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@ -306,11 +316,9 @@ static ADDRESS_MAP_START( terrafb_map, AS_PROGRAM, 16 )
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AM_RANGE(0x078002, 0x078003) AM_READ_PORT("P2")
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AM_RANGE(0x078004, 0x078005) AM_READ_PORT("DSW1")
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AM_RANGE(0x078006, 0x078007) AM_READ_PORT("DSW2")
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AM_RANGE(0x07c000, 0x07c001) AM_WRITE(terraf_io_w)
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AM_RANGE(0x07c000, 0x07c001) AM_WRITE(terrafb_io_w)
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AM_RANGE(0x07c002, 0x07c003) AM_WRITE(armedf_bg_scrollx_w)
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AM_RANGE(0x07c004, 0x07c005) AM_WRITE(armedf_bg_scrolly_w)
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AM_RANGE(0x07c006, 0x07c007) AM_WRITE(terraf_fg_scrollx_w) /* not use in terrafu, 0x07c008 neither */
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AM_RANGE(0x07c008, 0x07c009) AM_WRITE(terraf_fg_scrolly_w) /* written twice, lsb and msb */
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AM_RANGE(0x07c00a, 0x07c00b) AM_WRITE(sound_command_w)
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AM_RANGE(0x07c00c, 0x07c00d) AM_WRITENOP /* Watchdog ? cycle 0000 -> 0100 -> 0200 back to 0000 */
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AM_RANGE(0x07c00e, 0x07c00f) AM_WRITE(irq_lv1_ack_w)
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@ -445,14 +453,14 @@ static ADDRESS_MAP_START( cclimbr2_soundmap, AS_PROGRAM, 8 )
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AM_RANGE(0xc000, 0xffff) AM_RAM
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ADDRESS_MAP_END
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static READ8_HANDLER( exz80ram_r )
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static READ8_HANDLER( blitter_txram_r )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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return state->m_text_videoram[offset] & 0xff;
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}
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static WRITE8_HANDLER( exz80ram_w )
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static WRITE8_HANDLER( blitter_txram_w )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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@ -460,14 +468,40 @@ static WRITE8_HANDLER( exz80ram_w )
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tilemap_mark_tile_dirty(state->m_tx_tilemap, offset);
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}
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static WRITE8_HANDLER( fg_scrollx_w )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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state->m_fg_scrollx = (data & 0xff) | (state->m_fg_scrollx & 0x300);
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}
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static WRITE8_HANDLER( fg_scrolly_w )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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state->m_fg_scrolly = (data & 0xff) | (state->m_fg_scrolly & 0x300);
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}
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static WRITE8_HANDLER( fg_scroll_msb_w )
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{
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armedf_state *state = space->machine().driver_data<armedf_state>();
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state->m_fg_scrolly = (((data & 0x03) >> 0) << 8) | (state->m_fg_scrolly & 0xff);
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state->m_fg_scrollx = (((data & 0x0c) >> 2) << 8) | (state->m_fg_scrollx & 0xff);
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}
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static ADDRESS_MAP_START( terrafb_extraz80_map, AS_PROGRAM, 8 )
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AM_RANGE(0x0000, 0x3fff) AM_ROM
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AM_RANGE(0x4000, 0x5fff) AM_READWRITE(exz80ram_r,exz80ram_w)
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AM_RANGE(0x4000, 0x5fff) AM_READWRITE(blitter_txram_r,blitter_txram_w)
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AM_RANGE(0x8000, 0x87ff) AM_RAM
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( terrafb_extraz80_portmap, AS_IO, 8 )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x00,0x00) AM_WRITE(fg_scrollx_w)
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AM_RANGE(0x01,0x01) AM_WRITE(fg_scrolly_w)
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AM_RANGE(0x02,0x02) AM_WRITE(fg_scroll_msb_w)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( sound_portmap, AS_IO, 8 )
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@ -876,8 +910,6 @@ static MACHINE_CONFIG_START( terrafb, armedf_state )
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MCFG_CPU_ADD("extra", Z80, XTAL_8MHz/2) // 4mhz?
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MCFG_CPU_PROGRAM_MAP(terrafb_extraz80_map)
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MCFG_CPU_IO_MAP(terrafb_extraz80_portmap)
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MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
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//MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_8MHz/2/512) // ?
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MCFG_MACHINE_START(armedf)
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MCFG_MACHINE_RESET(armedf)
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@ -1547,7 +1579,7 @@ static DRIVER_INIT( terrafu )
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static DRIVER_INIT( terrafb )
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{
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armedf_state *state = machine.driver_data<armedf_state>();
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state->m_scroll_type = 5;
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state->m_scroll_type = 7;
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{
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UINT16 *ROM = (UINT16 *)machine.region("maincpu")->base();
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@ -1615,10 +1647,10 @@ static DRIVER_INIT( cclimbr2 )
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GAME( 1987, legion, 0, legion, legion, legion, ROT270, "Nichibutsu", "Chouji Meikyuu Legion (ver 2.03)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS | GAME_UNEMULATED_PROTECTION )
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GAME( 1987, legiono, legion, legiono, legion, legiono, ROT270, "Nichibutsu", "Chouji Meikyuu Legion (ver 1.05)", GAME_SUPPORTS_SAVE ) /* bootleg? */
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GAME( 1987, terraf, 0, terraf, terraf, terraf, ROT0, "Nichibutsu", "Terra Force (Japan set 1)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS | GAME_UNEMULATED_PROTECTION )
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GAME( 1987, terrafb, terraf, terrafb, terraf, terrafb, ROT0, "bootleg", "Terra Force (Japan bootleg with additional Z80)", GAME_SUPPORTS_SAVE | GAME_NOT_WORKING )
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GAME( 1987, terrafb, terraf, terrafb, terraf, terrafb, ROT0, "bootleg", "Terra Force (Japan bootleg with additional Z80)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS )
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GAME( 1987, terrafa, terraf, terraf, terraf, terrafu, ROT0, "Nichibutsu", "Terra Force (Japan set 2)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS | GAME_UNEMULATED_PROTECTION )
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GAME( 1987, terrafu, terraf, terraf, terraf, terrafu, ROT0, "Nichibutsu USA", "Terra Force (US)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS | GAME_UNEMULATED_PROTECTION )
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GAME( 1987, kodure, 0, kodure, kodure, kodure, ROT0, "Nichibutsu", "Kodure Ookami (Japan)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS | GAME_UNEMULATED_PROTECTION )
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GAME( 1987, kodure, 0, kodure, kodure, kodure, ROT0, "Nichibutsu", "Kodure Ookami (Japan)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING )
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GAME( 1988, cclimbr2, 0, cclimbr2, cclimbr2, cclimbr2, ROT0, "Nichibutsu", "Crazy Climber 2 (Japan)", GAME_SUPPORTS_SAVE )
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GAME( 1988, cclimbr2a,cclimbr2, cclimbr2, cclimbr2, cclimbr2, ROT0, "Nichibutsu", "Crazy Climber 2 (Japan, Harder)", GAME_SUPPORTS_SAVE )
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GAME( 1988, armedf, 0, armedf, armedf, armedf, ROT270, "Nichibutsu", "Armed Formation", GAME_SUPPORTS_SAVE )
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@ -31,6 +31,7 @@ public:
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int m_old_mcu_mode;
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int m_waiting_msb;
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int m_oldmode;
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UINT16 m_fg_scroll_msb;
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};
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@ -388,7 +388,10 @@ SCREEN_UPDATE( armedf )
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tilemap_set_scrollx(state->m_fg_tilemap, 0, (state->m_text_videoram[13] & 0xff) | ((state->m_text_videoram[14] & 0x3) << 8));
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tilemap_set_scrolly(state->m_fg_tilemap, 0, (state->m_text_videoram[11] & 0xff) | ((state->m_text_videoram[12] & 0x3) << 8));
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break;
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case 7: /* terra force (japan bootleg) */
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tilemap_set_scrollx(state->m_fg_tilemap, 0, (state->m_fg_scrollx & 0x3ff));
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tilemap_set_scrolly(state->m_fg_tilemap, 0, (state->m_fg_scrolly & 0x3ff));
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break;
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}
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