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Fix for VBLANK irq, now Erotictac works like current MAME driver (not worth)

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This commit is contained in:
Angelo Salese 2010-08-22 13:55:57 +00:00
parent f83137996c
commit 137bd8de88
1 changed files with 9 additions and 6 deletions
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15
src/mame/machine/archimds.c
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@ -116,7 +116,7 @@ static TIMER_CALLBACK( vidc_video_tick )
address_space *space = cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM);
static UINT8 *vram = memory_region(machine,"vram");
vram[vidc_vidcur] = (space->read_byte(vidc_vidstart+vidc_vidcur));
vram[vidc_vidcur] = (space->read_byte(vidc_vidstart+vidc_vidcur+vidc_vidinit));
vidc_vidcur++;
@ -467,6 +467,9 @@ static WRITE32_HANDLER( ioc_ctrl_w )
if(data & 0x80) //force an IRQ
archimedes_request_irq_a(space->machine,ARCHIMEDES_IRQA_FORCE);
if(data & 0x08) //set up the VBLANK timer
timer_adjust_oneshot(vbl_timer, space->machine->primary_screen->time_until_pos(vidc_regs[0xb4]), 0);
break;
case FIQ_MASK:
@ -828,27 +831,27 @@ WRITE32_HANDLER(archimedes_memc_w)
switch ((data >> 17) & 7)
{
case 0: /* video init */
logerror("MEMC: VIDINIT %08x\n",data);
vidc_vidinit = ((data>>2)&0x7fff)*16;
//logerror("MEMC: VIDINIT %08x\n",vidc_vidinit);
break;
case 1: /* video start */
logerror("MEMC: VIDSTART %08x\n",data);
vidc_vidstart = 0x2000000 | (((data>>2)&0x7fff)*16);
//logerror("MEMC: VIDSTART %08x\n",vidc_vidstart);
break;
case 2: /* video end */
logerror("MEMC: VIDEND %08x\n",data);
vidc_vidend = 0x2000000 | (((data>>2)&0x7fff)*16);
//logerror("MEMC: VIDEND %08x\n",vidc_vidend);
break;
case 4: /* sound start */
logerror("MEMC: VIDSNDSTART %08x\n",data);
//logerror("MEMC: VIDSNDSTART %08x\n",data);
vidc_sndstart = 0x2000000 | ((data>>2)&0x7fff)*16;
break;
case 5: /* sound end */
logerror("MEMC: VIDSNDEND %08x\n",data);
//logerror("MEMC: VIDSNDEND %08x\n",data);
vidc_sndend = 0x2000000 | ((data>>2)&0x7fff)*16;
break;