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* vicii-timing.c - Timing related settings for the MOS 6569 (VIC-II) emulation.
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* Andreas Boose <viceteam@t-online.de>
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* This file is part of VICE, the Versatile Commodore Emulator.
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* See README for copyright notice.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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#include "resources.h"
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#include "vicii-sprites.h"
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#include "vicii-timing.h"
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#include "viciitypes.h"
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/* Number of cycles per line. */
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#define VICII_PAL_CYCLES_PER_LINE C64_PAL_CYCLES_PER_LINE
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#define VICII_NTSC_CYCLES_PER_LINE C64_NTSC_CYCLES_PER_LINE
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#define VICII_NTSCOLD_CYCLES_PER_LINE C64_NTSCOLD_CYCLES_PER_LINE
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/* Cycle # at which sprite DMA is set. */
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#define VICII_PAL_SPRITE_FETCH_CYCLE 54
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#define VICII_NTSC_SPRITE_FETCH_CYCLE 55
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#define VICII_NTSCOLD_SPRITE_FETCH_CYCLE 54
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/* Cycle # at which the current raster line is re-drawn. It is set to
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`VICII_CYCLES_PER_LINE', so this actually happens at the very beginning
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(i.e. cycle 0) of the next line. */
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#define VICII_PAL_DRAW_CYCLE VICII_PAL_CYCLES_PER_LINE
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#define VICII_NTSC_DRAW_CYCLE VICII_NTSC_CYCLES_PER_LINE
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#define VICII_NTSCOLD_DRAW_CYCLE VICII_NTSCOLD_CYCLES_PER_LINE
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void vicii_timing_set(machine_timing_t *machine_timing)
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resource_value_t mode;
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resources_get_value("MachineVideoStandard", (void *)&mode);
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case MACHINE_SYNC_NTSC:
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vicii.screen_height = VICII_NTSC_SCREEN_HEIGHT;
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vicii.first_displayed_line = VICII_NTSC_FIRST_DISPLAYED_LINE;
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vicii.last_displayed_line = VICII_NTSC_LAST_DISPLAYED_LINE;
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vicii.row_25_start_line = VICII_NTSC_25ROW_START_LINE;
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vicii.row_25_stop_line = VICII_NTSC_25ROW_STOP_LINE;
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vicii.row_24_start_line = VICII_NTSC_24ROW_START_LINE;
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vicii.row_24_stop_line = VICII_NTSC_24ROW_STOP_LINE;
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vicii.screen_borderwidth = VICII_SCREEN_NTSC_BORDERWIDTH;
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vicii.screen_borderheight = VICII_SCREEN_NTSC_BORDERHEIGHT;
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vicii.cycles_per_line = VICII_NTSC_CYCLES_PER_LINE;
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vicii.draw_cycle = VICII_NTSC_DRAW_CYCLE;
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vicii.sprite_fetch_cycle = VICII_NTSC_SPRITE_FETCH_CYCLE;
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vicii.sprite_wrap_x = VICII_NTSC_SPRITE_WRAP_X;
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vicii.first_dma_line = VICII_NTSC_FIRST_DMA_LINE;
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vicii.last_dma_line = VICII_NTSC_LAST_DMA_LINE;
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vicii.offset = VICII_NTSC_OFFSET;
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case MACHINE_SYNC_NTSCOLD:
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vicii.first_displayed_line = VICII_NTSCOLD_FIRST_DISPLAYED_LINE;
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vicii.last_displayed_line = VICII_NTSCOLD_LAST_DISPLAYED_LINE;
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vicii.row_25_start_line = VICII_NTSCOLD_25ROW_START_LINE;
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vicii.row_25_stop_line = VICII_NTSCOLD_25ROW_STOP_LINE;
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vicii.row_24_start_line = VICII_NTSCOLD_24ROW_START_LINE;
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vicii.row_24_stop_line = VICII_NTSCOLD_24ROW_STOP_LINE;
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vicii.screen_borderwidth = VICII_SCREEN_NTSCOLD_BORDERWIDTH;
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vicii.screen_borderheight = VICII_SCREEN_NTSCOLD_BORDERHEIGHT;
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vicii.cycles_per_line = VICII_NTSCOLD_CYCLES_PER_LINE;
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vicii.draw_cycle = VICII_NTSCOLD_DRAW_CYCLE;
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vicii.sprite_fetch_cycle = VICII_NTSCOLD_SPRITE_FETCH_CYCLE;
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vicii.sprite_wrap_x = VICII_NTSCOLD_SPRITE_WRAP_X;
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vicii.first_dma_line = VICII_NTSCOLD_FIRST_DMA_LINE;
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vicii.last_dma_line = VICII_NTSCOLD_LAST_DMA_LINE;
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vicii.offset = VICII_NTSCOLD_OFFSET;
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case MACHINE_SYNC_PAL:
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vicii.screen_height = VICII_PAL_SCREEN_HEIGHT;
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vicii.first_displayed_line = VICII_PAL_FIRST_DISPLAYED_LINE;
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vicii.last_displayed_line = VICII_PAL_LAST_DISPLAYED_LINE;
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vicii.row_25_start_line = VICII_PAL_25ROW_START_LINE;
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vicii.row_25_stop_line = VICII_PAL_25ROW_STOP_LINE;
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vicii.row_24_start_line = VICII_PAL_24ROW_START_LINE;
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vicii.row_24_stop_line = VICII_PAL_24ROW_STOP_LINE;
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vicii.screen_borderwidth = VICII_SCREEN_PAL_BORDERWIDTH;
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vicii.screen_borderheight = VICII_SCREEN_PAL_BORDERHEIGHT;
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vicii.cycles_per_line = VICII_PAL_CYCLES_PER_LINE;
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vicii.draw_cycle = VICII_PAL_DRAW_CYCLE;
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vicii.sprite_fetch_cycle = VICII_PAL_SPRITE_FETCH_CYCLE;
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vicii.sprite_wrap_x = VICII_PAL_SPRITE_WRAP_X;
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vicii.first_dma_line = VICII_PAL_FIRST_DMA_LINE;
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vicii.last_dma_line = VICII_PAL_LAST_DMA_LINE;
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vicii.offset = VICII_PAL_OFFSET;
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vicii_sprites_init_sprline();
added
removed
src/vicii/vicii-timing.c
