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giclassic: more docs, VROM readback works. (nw)

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This commit is contained in:
arbee 2017-04-01 16:04:56 -04:00
parent 13b0a2158e
commit 5766bced1b
1 changed files with 58 additions and 7 deletions
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65
src/mame/drivers/giclassic.cpp
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@ -3,14 +3,41 @@
/***************************************************************************
GI Classic / GI Classic EX
(c) 1995 Konami
(c) 1995, 1998 Konami
Preliminary driver by R. Belmont
Satellite PCB:
GI Classic EX Main PCB:
Main CPU: 68020
Photo too unclear to identify Konami customs.
GI Classic EX Satellite PCB:
Main CPU: 68000-12
Video: 056832 / 058143 (GX tilemaps)
Video: 000907 LCD Controller
WANTED: main PCB and any other PCBs for GI Classic EX, plus any and all
PCBs for other games also believed to be on this h/w:
- GI-Classic (1995)
- GI-Classic Special (1996)
- GI-Classic WINDS (1996)
- GI-Classic WINDS EX (1998)
Other "GI" games, list from http://www.konami.jp/am/g1/
- GI-LEADING SIRE (1999)
- GI-LEADING SIRE Ver. 2 (2000)
- GI-LEADING SIRE Ver. 3 (2001)
- GI-WINNING SIRE (2002)
- GI-TURFWILD (2003)
- GI-WINNING SIRE Ver. 2 (2003)
- GI-TURFWILD 2 (2004)
- GI-TURFWILD 3 (2005)
- GI-HORSEPARK (2005)
- GI-HORSEPARK EX (2006)
- GI-HORSEPARK EX STD (2006)
- GI-HORSEPARK GX STD (2009)
- GI-HORSEPARK GX (2009)
- GI-Turf TV (2010)
***************************************************************************/
#include "emu.h"
@ -45,7 +72,8 @@ public:
K056832_CB_MEMBER(tile_callback);
DECLARE_WRITE16_MEMBER(control_w);
DECLARE_READ16_MEMBER(vrom_r);
private:
uint8_t m_control;
};
@ -74,11 +102,33 @@ uint32_t giclassic_state::screen_update_giclassic(screen_device &screen, bitmap_
INTERRUPT_GEN_MEMBER(giclassic_state::giclassic_interrupt)
{
if (m_control & 2)
{
m_maincpu->set_input_line(M68K_IRQ_1, HOLD_LINE);
m_maincpu->set_input_line(M68K_IRQ_3, HOLD_LINE);
}
}
WRITE16_MEMBER(giclassic_state::control_w)
{
m_control = data & 0xff; // oscillates between 0x14 and 0x1c during VROM readback - IRQ disable?
// bits:
// 0 = ?
// 1 = IRQ enable
// 2 = ?
// 3 = extra VROM readback bank
// 4 = screen on?
m_control = data & 0xff;
}
READ16_MEMBER(giclassic_state::vrom_r)
{
if (m_control & 8)
{
return m_k056832->piratesh_rom_r(space, offset + 0x1000);
}
return m_k056832->piratesh_rom_r(space, offset);
}
static ADDRESS_MAP_START( satellite_main, AS_PROGRAM, 16, giclassic_state )
@ -87,9 +137,10 @@ static ADDRESS_MAP_START( satellite_main, AS_PROGRAM, 16, giclassic_state )
AM_RANGE(0x200000, 0x200fff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
AM_RANGE(0x800000, 0x801fff) AM_RAM AM_DEVREADWRITE("k056832", k056832_device, ram_word_r, ram_word_w)
AM_RANGE(0x900000, 0x90003f) AM_DEVREADWRITE("k056832", k056832_device, word_r, word_w)
AM_RANGE(0xb00000, 0xb01fff) AM_DEVREAD("k056832", k056832_device, rom_word_r)
AM_RANGE(0xb00000, 0xb01fff) AM_READ(vrom_r)
AM_RANGE(0xc00000, 0xc00001) AM_WRITE(control_w)
AM_RANGE(0xd00000, 0xd0003f) AM_RAM // these must read/write or 26S (LCD controller) fails
AM_RANGE(0xe00000, 0xe0001f) AM_DEVWRITE8("k056832", k056832_device, b_w, 0xff00)
AM_RANGE(0xf00000, 0xf00001) AM_NOP AM_WRITENOP // watchdog reset
ADDRESS_MAP_END
@ -139,4 +190,4 @@ ROM_START( giclasex )
ROM_LOAD( "gsgu760ae02.14e", 0x080000, 0x080000, CRC(2b9fe163) SHA1(f60190a9689a70d6c5bb14fb46b7ac2267cf0969) )
ROM_END
GAME( 1995, giclasex, 0, giclassic, giclassic, driver_device, 0, 0, "Konami", "GI-Classic EX", MACHINE_NOT_WORKING|MACHINE_NO_SOUND_HW)
GAME( 1998, giclasex, 0, giclassic, giclassic, driver_device, 0, 0, "Konami", "GI-Classic EX (satellite terminal)", MACHINE_NOT_WORKING|MACHINE_NO_SOUND_HW)