diff options
Diffstat (limited to 'src/mame/drivers/mpu4drvr.c')
-rw-r--r-- | src/mame/drivers/mpu4drvr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mame/drivers/mpu4drvr.c b/src/mame/drivers/mpu4drvr.c index 5b0fa5557ab..380cc19383e 100644 --- a/src/mame/drivers/mpu4drvr.c +++ b/src/mame/drivers/mpu4drvr.c @@ -2137,7 +2137,7 @@ static TIMER_DEVICE_CALLBACK( scanline_timer_callback ) // and used by the renderer to render the correct data rowcounter = 0; linecounter = 0; - // scn2674_status_register &= ~0x10; // clear vblank + // scn2674_status_register &= ~0x10; // clear vblank scn2674_status_register |= 0x02; /* Ready - this triggers for the first scanline of the screen */ @@ -2149,10 +2149,10 @@ static TIMER_DEVICE_CALLBACK( scanline_timer_callback ) update_mpu68_interrupts(timer.machine); } } - + // should be triggered at the start of each ROW (line zero for that row) if ((current_scanline%8 == 7) && (current_scanline<296)) - { + { scn2674_status_register |= 0x08; if (scn2674_irq_mask&0x08) { @@ -2220,7 +2220,7 @@ static TIMER_DEVICE_CALLBACK( scanline_timer_callback ) scn2674_status_register |= 0x10; } -// printf("scanline %d\n",current_scanline); +// printf("scanline %d\n",current_scanline); } |