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Corrected I/O timer, no whatsnew

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This commit is contained in:
Angelo Salese 2010-04-03 15:45:49 +00:00
parent 25cd094a47
commit 435dedd3fa
1 changed files with 3 additions and 1 deletions
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4
src/mame/machine/snes.c
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@ -111,6 +111,8 @@ static TIMER_CALLBACK( snes_update_io )
const address_space *cpu0space = cpu_get_address_space(state->maincpu, ADDRESS_SPACE_PROGRAM); const address_space *cpu0space = cpu_get_address_space(state->maincpu, ADDRESS_SPACE_PROGRAM);
state->io_read(cpu0space->machine); state->io_read(cpu0space->machine);
snes_ram[HVBJOY] &= 0xfe; /* Clear busy bit */ snes_ram[HVBJOY] &= 0xfe; /* Clear busy bit */
timer_adjust_oneshot(state->io_timer, attotime_never, 0);
} }
static TIMER_CALLBACK( snes_scanline_tick ) static TIMER_CALLBACK( snes_scanline_tick )
@ -178,7 +180,7 @@ static TIMER_CALLBACK( snes_scanline_tick )
} }
/* three lines after start of vblank we update the controllers (value from snes9x) */ /* three lines after start of vblank we update the controllers (value from snes9x) */
timer_adjust_oneshot(state->io_timer, video_screen_get_time_until_pos(machine->primary_screen, snes_ppu.beam.current_vert + 2, 0), 0); timer_adjust_oneshot(state->io_timer, video_screen_get_time_until_pos(machine->primary_screen, snes_ppu.beam.current_vert + 2, state->hblank_offset * state->htmult), 0);
} }
// hdma reset happens at scanline 0, H=~6 // hdma reset happens at scanline 0, H=~6