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Added basic MSM support for Super Crowns Golf, it basically works but the NMI generation is probably wrong because the post

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screen gives to me a RAM error. I disable it by default until I understand it properly...
This commit is contained in:
Angelo Salese 2009-05-19 20:35:36 +00:00
parent 52d6643964
commit 0a6120923e
1 changed files with 46 additions and 6 deletions
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52
src/mame/drivers/suprgolf.c
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@ -17,6 +17,7 @@
#include "driver.h"
#include "cpu/z80/z80.h"
#include "sound/2203intf.h"
#include "sound/msm5205.h"
static tilemap *suprgolf_tilemap;
static UINT8 *suprgolf_bg_vram;
@ -24,6 +25,7 @@ static UINT8 *suprgolf_bg_pen;
static int suprgolf_rom_bank;
static UINT8 suprgolf_bg_bank;
static UINT8 suprgolf_vreg;
static UINT8 msm5205next,msm_nmi_mask;
static TILE_GET_INFO( get_tile_info )
{
@ -179,9 +181,10 @@ static WRITE8_HANDLER( suprgolf_vregs_w )
suprgolf_vreg = data;
palette_switch = (data & 0x80);
suprgolf_bg_bank = (data & 0x1f);
msm_nmi_mask = data & 0x20;
if(data & 0x20) //TODO: understand the proper condition
cputag_set_input_line(space->machine, "maincpu", INPUT_LINE_NMI, PULSE_LINE);
//if(data & 0x20) //TODO: understand the proper condition
// cputag_set_input_line(space->machine, "maincpu", INPUT_LINE_NMI, PULSE_LINE);
}
static UINT8 pen;
@ -202,6 +205,11 @@ static WRITE8_HANDLER( suprgolf_pen_w )
pen = data;
}
static WRITE8_HANDLER( adpcm_data_w )
{
msm5205next = data;
}
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK(1)
@ -223,6 +231,7 @@ static ADDRESS_MAP_START( io_map, ADDRESS_SPACE_IO, 8 )
AM_RANGE(0x06, 0x06) AM_READWRITE( suprgolf_vregs_r,suprgolf_vregs_w ) // game locks up or crashes? if this doesn't return right values?
AM_RANGE(0x08, 0x09) AM_DEVREADWRITE("ym", ym2203_r, ym2203_w)
AM_RANGE(0x0c, 0x0c) AM_WRITE(adpcm_data_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( suprgolf )
@ -381,7 +390,7 @@ static WRITE8_DEVICE_HANDLER( suprgolf_writeB )
static void irqhandler(const device_config *device, int irq)
{
// cpu_set_input_line(device->machine->cpu[1],0,irq ? ASSERT_LINE : CLEAR_LINE);
//cputag_set_input_line(device->machine, "maincpu", INPUT_LINE_NMI, irq ? ASSERT_LINE : CLEAR_LINE);
}
static const ym2203_interface ym2203_config =
@ -396,6 +405,33 @@ static const ym2203_interface ym2203_config =
},
irqhandler
};
static void adpcm_int(const device_config *device)
{
static int toggle = 0;
{
msm5205_reset_w(device,0);
toggle ^= 1;
if(toggle)
{
msm5205_data_w(device, (msm5205next & 0xf0) >> 4);
/* USED, but it currently causes crashes in the service mode. */
//cputag_set_input_line(device->machine, "maincpu", INPUT_LINE_NMI, PULSE_LINE);
}
else
{
msm5205_data_w(device, (msm5205next & 0x0f) >> 0);
}
}
}
static const msm5205_interface msm5205_config =
{
adpcm_int, /* interrupt function */
MSM5205_S48_4B /* 4KHz 4-bit */
};
static const gfx_layout gfxlayout =
{
8,8,
@ -413,7 +449,7 @@ GFXDECODE_END
static MACHINE_DRIVER_START( suprgolf )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", Z80,4000000)
MDRV_CPU_ADD("maincpu", Z80,4000000) /* guess */
MDRV_CPU_PROGRAM_MAP(main_map)
MDRV_CPU_IO_MAP(io_map)
MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)
@ -437,9 +473,13 @@ static MACHINE_DRIVER_START( suprgolf )
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("ym", YM2203, 3000000)
MDRV_SOUND_ADD("ym", YM2203, 3000000) /* guess */
MDRV_SOUND_CONFIG(ym2203_config)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)
MDRV_SOUND_ADD("msm", MSM5205, 400000) /* guess */
MDRV_SOUND_CONFIG(msm5205_config)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MACHINE_DRIVER_END