Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-03 03:16:30 +03:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

generate a few more interrupts on Naomi (ISP end of render, VIDEO end of render)

Browse Source 
still need to test this to ensure it doesn't break anything, as I've disabled some old code that was neede before.
This commit is contained in:
davidhay 2009-04-11 13:41:00 +00:00
parent 042453c37c
commit 3cff704ee3
1 changed files with 32 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/mame/video/dc.c
View File

@ -34,7 +34,10 @@ static UINT32 tafifo_buff[32];
static emu_timer *vbout_timer;
static emu_timer *hbin_timer;
static emu_timer *endofrender_timer;
static emu_timer *endofrender_timer_isp;
static emu_timer *endofrender_timer_tsp;
static emu_timer *endofrender_timer_video;
static int scanline;
static bitmap_t *fakeframebuffer_bitmap;
static void testdrawscreen(const running_machine *machine,bitmap_t *bitmap,const rectangle *cliprect);
@ -345,7 +348,7 @@ WRITE64_HANDLER( pvr_ta_w )
// we've got a request to draw, so, draw to the fake fraembuffer!
testdrawscreen(space->machine,fakeframebuffer_bitmap,&clip);
timer_adjust_oneshot(endofrender_timer, ATTOTIME_IN_USEC(1000) , 0); // hack, make sure render takes some amount of time
timer_adjust_oneshot(endofrender_timer_isp, ATTOTIME_IN_USEC(4000) , 0); // hack, make sure render takes some amount of time
break;
}
@ -1379,35 +1382,38 @@ static TIMER_CALLBACK(hbin)
dc_sysctrl_regs[SB_ISTNRM] |= IST_HBL_IN; // H Blank-in interrupt
dc_update_interrupt_status(machine);
// printf("hbin on scanline %d\n",scanline);
scanline++;
timer_adjust_oneshot(hbin_timer, video_screen_get_time_until_pos(machine->primary_screen, scanline, 640), 0);
}
// moved, interrupts should never be changed in a VIDEO_UDPATE call!!
static TIMER_CALLBACK(endofrender)
static TIMER_CALLBACK(endofrender_video)
{
UINT32 a;
dc_sysctrl_regs[SB_ISTNRM] |= IST_EOR_VIDEO;// VIDEO end of render
dc_update_interrupt_status(machine);
timer_adjust_oneshot(endofrender_timer_video, attotime_never, 0);
}
//printf("endofrender\n");
// don't know if this is right.. but we get asserts otherwise, timing error?
if (state_ta.start_render_received == 1)
{
for (a=0;a < NUM_BUFFERS;a++)
if (state_ta.grab[a].busy == 1)
state_ta.grab[a].busy = 0;
state_ta.start_render_received = 0;
}
state_ta.start_render_received=0;
state_ta.renderselect= -1;
static TIMER_CALLBACK(endofrender_tsp)
{
dc_sysctrl_regs[SB_ISTNRM] |= IST_EOR_TSP; // TSP end of render
dc_update_interrupt_status(machine);
timer_adjust_oneshot(endofrender_timer, attotime_never, 0);
timer_adjust_oneshot(endofrender_timer_tsp, attotime_never, 0);
timer_adjust_oneshot(endofrender_timer_video, ATTOTIME_IN_USEC(500) , 0);
}
static TIMER_CALLBACK(endofrender_isp)
{
dc_sysctrl_regs[SB_ISTNRM] |= IST_EOR_ISP; // ISP end of render
dc_update_interrupt_status(machine);
timer_adjust_oneshot(endofrender_timer_isp, attotime_never, 0);
timer_adjust_oneshot(endofrender_timer_tsp, ATTOTIME_IN_USEC(500) , 0);
}
@ -1440,8 +1446,13 @@ VIDEO_START(dc)
timer_adjust_oneshot(hbin_timer, attotime_never, 0);
scanline = 0;
endofrender_timer = timer_alloc(machine, endofrender, 0);
timer_adjust_oneshot(endofrender_timer, attotime_never, 0);
endofrender_timer_isp = timer_alloc(machine, endofrender_isp, 0);
endofrender_timer_tsp = timer_alloc(machine, endofrender_tsp, 0);
endofrender_timer_video = timer_alloc(machine, endofrender_video, 0);
timer_adjust_oneshot(endofrender_timer_isp, attotime_never, 0);
timer_adjust_oneshot(endofrender_timer_tsp, attotime_never, 0);
timer_adjust_oneshot(endofrender_timer_video, attotime_never, 0);
fakeframebuffer_bitmap = auto_bitmap_alloc(1024,1024,BITMAP_FORMAT_RGB32);