Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-21 05:08:54 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

namcos23: hooked up tilemap scroll, improved raster IRQ [R. Belmont]

Browse Source
This commit is contained in:
R. Belmont 2010-03-28 17:00:51 +00:00
parent 8e48e4f52d
commit c44267dbd6
1 changed files with 49 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
src/mame/drivers/namcos23.c
View File

@ -1198,6 +1198,8 @@ static UINT32 c421_adr = 0;
static INT16 s23_c422_regs[0x10];
static int s23_subcpu_running;
static emu_timer *c361_timer;
static UINT32 p3d_address, p3d_size;
static const UINT32 *ptrom;
@ -1475,23 +1477,38 @@ static READ16_HANDLER(s23_ctl_r)
return 0xffff;
}
// raster timer. TC2 indicates it's probably one-shot since it resets it each VBL...
static int c361_scanline;
static TIMER_CALLBACK( c361_timer_cb )
{
if (c361_scanline != 511)
{
cputag_set_input_line(machine, "maincpu", MIPS3_IRQ1, ASSERT_LINE);
timer_adjust_oneshot(c361_timer, attotime_never, 0);
}
}
static WRITE16_HANDLER(s23_c361_w)
{
switch(offset) {
case 0:
tilemap_set_scrollx(bgtilemap, 0, data&0xfff);
break;
case 1:
tilemap_set_scrolly(bgtilemap, 0, data&0xfff);
break;
case 4: // interrupt control
if (data == 0xc8)
c361_scanline = data;
if (data == 0x1ff)
{
logerror("c361_w: raise IRQ 1\n");
cputag_set_input_line(space->machine, "maincpu", MIPS3_IRQ1, ASSERT_LINE);
}
else if (data == 0x1ff)
{
logerror("c361_w: ack IRQ 1\n");
cputag_set_input_line(space->machine, "maincpu", MIPS3_IRQ1, CLEAR_LINE);
timer_adjust_oneshot(c361_timer, attotime_never, 0);
}
else
else if (data != 66) // hack to avoid locking up Time Crisis 2
{
logerror("c361_w %x, %04x @ %04x (%08x, %08x)\n", offset, data, mem_mask, cpu_get_pc(space->cpu), (unsigned int)cpu_get_reg(space->cpu, MIPS3_R31));
timer_adjust_oneshot(c361_timer, video_screen_get_time_until_pos(space->machine->primary_screen, c361_scanline, 0), 0);
}
break;
@ -2039,6 +2056,18 @@ static VIDEO_START( ss23 )
gfx_element_set_source(machine->gfx[0], (UINT8 *)namcos23_charram);
bgtilemap = tilemap_create(machine, TextTilemapGetInfo, tilemap_scan_rows, 16, 16, 64, 64);
tilemap_set_transparent_pen(bgtilemap, 0xf);
// Gorgon's tilemap offset is 0, S23/SS23's is 860
if ((!strcmp(machine->gamedrv->name, "rapidrvr")) ||
(!strcmp(machine->gamedrv->name, "rapidrvr2")) ||
(!strcmp(machine->gamedrv->name, "finlflng")))
{
tilemap_set_scrolldx(bgtilemap, 0, 0);
}
else
{
tilemap_set_scrolldx(bgtilemap, 860, 860);
}
polymgr = poly_alloc(machine, 10000, sizeof(namcos23_render_data), POLYFLAG_NO_WORK_QUEUE);
}
@ -2066,6 +2095,11 @@ static INTERRUPT_GEN(s23_interrupt)
render_count[render_cur] = 0;
}
static MACHINE_START( s23 )
{
c361_timer = timer_alloc(machine, c361_timer_cb, 0);
timer_adjust_oneshot(c361_timer, attotime_never, 0);
}
static ADDRESS_MAP_START( gorgon_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x003fffff) AM_RAM
AM_RANGE(0x01000000, 0x010000ff) AM_READWRITE( p3d_r, p3d_w )
@ -2748,6 +2782,8 @@ static MACHINE_DRIVER_START( gorgon )
MDRV_VIDEO_START(ss23)
MDRV_VIDEO_UPDATE(ss23)
MDRV_MACHINE_START(s23)
/* sound hardware */
MDRV_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
@ -2792,6 +2828,8 @@ static MACHINE_DRIVER_START( s23 )
MDRV_VIDEO_START(ss23)
MDRV_VIDEO_UPDATE(ss23)
MDRV_MACHINE_START(s23)
/* sound hardware */
MDRV_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
@ -2832,6 +2870,8 @@ static MACHINE_DRIVER_START( ss23 )
MDRV_VIDEO_START(ss23)
MDRV_VIDEO_UPDATE(ss23)
MDRV_MACHINE_START(s23)
/* sound hardware */
MDRV_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")