gfxdefs

profile
{
  id nec_pcengine_sprites
  desc NEC PC Engine / TurboGrafx-16 (sprites)
  chrdef chr_nec_pcengine_sprites
  paldef pal_16bit_16color
  coldef col_nec_pcengine
}

profile
{
  id nec_pcengine_tiles
  desc NEC PC Engine / TurboGrafx-16 (tiles)
  chrdef chr_nec_pcengine_tiles
  paldef pal_16bit_16color
  coldef col_nec_pcengine
}

profile
{
  id snk_neogeocd
  desc SNK NeoGeo CD
  chrdef chr_snk_neogeocd
  paldef pal_16bit_16color
  coldef col_snk_neogeo
}

profile
{
  id snk_neogeo
  desc SNK NeoGeo
  chrdef chr_snk_neogeo
  paldef pal_16bit_16color
  coldef col_snk_neogeo
}

profile
{
  id capcom_cps
  desc Capcom CPS / CPS 2
  chrdef chr_capcom_cps
  paldef pal_16bit_16color
  coldef col_capcom_cps
}

profile
{
  id sega_ms
  desc Sega Master System
  chrdef chr_8x8_4bpp_planar
  paldef pal_sega_ms
  coldef col_bgr_222_packed
}

profile
{
  id sega_gg
  desc Sega Game Gear
  chrdef chr_8x8_4bpp_planar
  paldef pal_16bit_16color
  coldef col_bgr_444_packed
}

profile
{
  id nintendo_sfc
  desc Nintendo Super Famicom
  chrdef chr_nintendo_sfc
  paldef pal_16bit_16color
  coldef col_bgr_555_packed
}

profile
{
  id nintendo_vb
  desc Nintendo Virtual Boy
  chrdef chr_nintendo_vb
  paldef pal_nintendo_vb
  coldef col_nintendo_vb
}

profile
{
  id nintendo_fc
  desc Nintendo Famicom
  chrdef chr_nintendo_fc
  paldef pal_nintendo_fc
  coldef col_nintendo_fc
}

profile
{
  id nintendo_gb
  desc Nintendo Game Boy
  chrdef chr_8x8_2bpp_planar
  paldef pal_nintendo_gb
  coldef col_nintendo_gb
}

profile
{
  id nintendo_gb_pocket
  desc Nintendo Game Boy Pocket
  chrdef chr_8x8_2bpp_planar
  paldef pal_nintendo_gb
  coldef col_nintendo_gb_pocket
}

profile
{
  id sega_md
  desc Sega Mega Drive
  chrdef chr_8x8_4bpp_packed_lsb
  paldef pal_16bit_16color
  coldef col_sega_md
}



#################################
##
## P A L D E F S
##
#################################

paldef
{
  id pal_sega_ms
  desc Sega Master System

  # 32 colors per palette, 1 byte per color
  # 2 subpalettes, 16 colors each
  entry_datasize 8
  length 16

}

paldef
{
  id pal_nintendo_vb
  desc Nintendo Virtual Boy
  # 2 bits per color, 3 colors per palette
  # palette data is 1 byte; lowest two bits ignored as padding
  # 8 palettes total
  entry_datasize 2
  length 4


  # We manually specify the palette data size here since
  # VB palettes are actually word length, with the upper
  # byte ignored
  datasize 16
}

paldef
{
  id pal_nintendo_fc
  desc Nintendo Famicom

  # 32 colors, each color is 1 byte; 8 palettes, 4 colors each
  # (color 0 is always transparent)

  entry_datasize 8
  length 4

}

paldef
{
  id pal_nintendo_gb
  desc Nintendo Game Boy

  # 2 bits per color, 4 colors, packed (1 byte per palette)
  # 3 palettes (3 bytes, stored at 0xFF47 in memory)
  entry_datasize 2
  length 4

}

#################################
##
## C H R D E F S
##
#################################

chrdef
{
  id chr_nec_pcengine_tiles
  desc NEC PC Engine / TurgoGrafx-16 (tiles)

  # 8x8 4bpp  Planar
  # 2 byte interleaved
  width 8
  height 8
  bpp  4
  plane_offsets 0, 8, 128, 136
  pixel_offsets 0, 1, 2, 3, 4, 5, 6, 7
  row_offsets 0, 16, 32, 48, 64, 80, 96, 112
}

chrdef
{
  id chr_nec_pcengine_sprites
  desc NEC PC Engine / TurgoGrafx-16 (sprites)

  # 16x16 4bpp  Planar
  width 16
  height 16
  bpp  4
  plane_offsets 0, 256, 512, 768
  pixel_offsets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
  row_offsets 0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240
}

chrdef
{
  id chr_snk_neogeocd
  desc SNK NeoGeo CD

  # 16x16 4bpp  Planar
  # basically the same as normal NeoGeo but the 8x8
  # "subtiles" are ordered differently
  # https://wiki.neogeodev.org/index.php?title=Sprite_graphics_format
  width 16
  height 16
  bpp  4
  plane_offsets 8, 0, 24, 16

  pixel_offsets 519, 518, 517, 516, 515, 514, 513, 512, 7, 6, 5, 4, 3, 2, 1, 0
  row_offsets 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480
}

chrdef
{
  id chr_snk_neogeo
  desc SNK NeoGeo

  # 16x16 4bpp  Planar
  # desc that your tile data (C ROMs) will need to be
  # interleaved (odd|even|odd|even..., at 2 bytes each) into one file first.
  # see this page: https://wiki.neogeodev.org/index.php?title=Sprite_graphics_format
  width 16
  height 16
  bpp  4
  plane_offsets 0, 8, 16, 24

  pixel_offsets 519, 518, 517, 516, 515, 514, 513, 512, 7, 6, 5, 4, 3, 2, 1, 0
  row_offsets 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480
}

chrdef
{
  id chr_capcom_cps
  desc Capcom CPS 1/2

  # 16x16 4bpp  Planar
  width 16
  height 16
  bpp  4
  #plane_offsets 24, 16, 8, 0
  plane_offsets 0, 8, 16, 24

  pixel_offsets 0, 1, 2, 3, 4, 5, 6, 7, 32, 33, 34, 35, 36, 37, 38, 39
  row_offsets 0, 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960
}

chrdef
{
  id chr_nintendo_sfc
  desc Nintendo Super Famicom, NEC PC Engine
  # 8x8 4bpp  planar
  width 8
  height 8
  bpp  4
  plane_offsets 0, 8, 128, 136
  pixel_offsets 0, 1, 2, 3, 4, 5, 6, 7
  row_offsets 0, 16, 32, 48, 64, 80, 96, 112
}

chrdef
{
  id chr_nintendo_vb
  desc Nintendo Virtual Boy

  # 8x8 2bpp  Packed
  width 8
  height 8
  bpp  2
  plane_offsets 0, 1
  pixel_offsets 6, 4, 2, 0, 14, 12, 10, 8
  row_offsets 0, 16, 32, 48, 64, 80, 96, 112
}

chrdef
{
  id chr_nintendo_fc
  desc Nintendo Famicom

  # 8x8 2bpp  planar
  width 8
  height 8
  bpp  2
  plane_offsets 0, 64
  pixel_offsets 0, 1, 2, 3, 4, 5, 6, 7
  row_offsets 0, 8, 16, 24, 32, 40, 48, 56
}

chrdef
{
  id chr_capcom_cps
  desc Capcom CPS / CPS 2

  # 16x16 4bpp  Planar
  width 16
  height 16
  bpp  4
  #plane_offsets 24, 16, 8, 0
  plane_offsets 0, 8, 16, 24

  pixel_offsets 0, 1, 2, 3, 4, 5, 6, 7, 32, 33, 34, 35, 36, 37, 38, 39
  row_offsets 0, 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960
}

#################################
##
## C O L D E F S
##
#################################

rgbcoldef
{
  # 15|               |0
  #   xxxxxxxG GGRRRBBB
  # (little endian)
  id col_nec_pcengine
  desc NEC PC Engine / TurgoGrafx-16

  bitdepth 3
  layout 3, 3, 6, 3, 0, 3
  big_endian 0
}

rgbcoldef
{
  id col_snk_neogeo
  desc SNK NeoGeo

  # 15 |               |               |0
  #    DDR0G0B0R4R3R2R1 G4G3G2G1B4B3B2B1
  # D = "dark bit", acts as shared LSB for all color components
  bitdepth 6
  layout 15, 1, 15, 1, 15, 1
  layout 14, 1, 13, 1, 12, 1
  layout 8, 4, 4, 4, 0, 4
  
  big_endian 1
}

rgbcoldef
{
  id col_capcom_cps
  desc Capcom CPS 1/2

  # CPS 1/2 color format 
  # 15 |                  |0
  #    BrBrBrBrRRRRGGGGBBBB
  # 4 bits each of RGB and 4 bits of 'bright' component

  # This version uses the Bright bits as
  # the shared lower four bits of each color
  # This makes the colors somewhat inaccurate
  # as they will be slightly brighter
  # However, this version is compatible with
  # converting to CPS raw format as it takes
  # all eight bits of data into account.

  # Use this coldef if you plan to convert
  # from PNG to raw CPS data
  bitdepth 8
  
  layout 12, 4, 12, 4, 12, 4
  layout 8, 4, 4, 4, 0, 4
  
  
  big_endian 1
}

rgbcoldef
{
  id col_capcom_cps_accurate
  desc Capcom CPS 1/2 (more accurate colors)

  # CPS 1/2 color format 
  # 15 |                  |0
  #    BrBrBrBrRRRRGGGGBBBB
  # 4 bits each of RGB and 4 bits of 'bright' component

  # This version ignores the bright bits, using only
  # the RGB values. The colors generated will be exact
  # to the output from e.g. MAME, but this coldef
  # will not convert to raw CPS data properly as the
  # bright bits will not be set, and the color will be
  # 'dark' from the point of view of the hardware.

  # Use this coldef if you only plan to convert from
  # raw CPS data to PNG images
  bitdepth 4
  color_passes 1
  layout 8, 4, 4, 4, 0, 4

  big_endian 1
}

rgbcoldef
{
  id col_sega_md
  desc Sega Megadrive

  # 3 bit BGR
  # 15|               |0
  #   xxxxBBBx GGGxRRRx
  bitdepth 3
  layout 1, 3, 5, 3, 9, 3
  big_endian 1
}

refcoldef
{
  id col_nintendo_vb
  desc Nintendo Virtual Boy

  # VB "colors" are based on four levels of intensity
  # The first level is always black, but the other
  # three are variable and set by the game code
  # Therefore it's impossible to make a 'standard'
  # reference palette. The values below were sampled
  # from Tetris 3D, which has a nice middle ground
  # (based on output from MAME)
  refpal #000000,#2f0000,#8f0000,#cf0000

  # alternatively, here is a reference palette based
  # on the Wario Land VB title screen, which leans a
  # bit brighter
  # refpal #000000,#3f0000,#df0000,#ff0000
}

refcoldef
{
  id col_nintendo_fc
  desc Nintendo Famicom

  big_endian 0

  # a 'standard' 2C02 PPU palette, from:
  # https://wiki.nesdev.com/w/index.php/PPU_palettes
  refpal #545454,#001E74,#08102C,#300088,#440064,#5C0030,#540400,#3C1800,#202A00,#083A00,#004000,#003C00,#00323C,#000000,#000000,#000000,#989698,#084CC4,#3032EC,#5C1EE4,#8814B0,#A01464,#982220,#783C00,#545A00,#287200,#087C00,#007628,#006678,#000000,#000000,#000000,#ECEEEC,#4C9AEC,#787CEC,#B062EC,#E454EC,#EC58B4,#EC6A64,#D48820,#A0AA00,#74C400,#4CD020,#38CC6C,#38B4CC,#3C3C3C,#000000,#000000,#ECEEEC,#A8CCEC,#BCBCEC,#D4B2EC,#ECAEEC,#ECAED4,#ECB4B0,#E4C490,#CCD278,#B4DE78,#A8E290,#98E2B4,#A0D6E4,#A0A2A0,#000000,#000000

  # Some other palette examples: http://emulation.gametechwiki.com/index.php/Famicom_Color_Palette
}

refcoldef
{
  id col_nintendo_gb
  desc Nintendo Game Boy

  # black & white "colors" are based on luminance only
  # so we need an RGB equivalent palette
  # this is based on the yellow-green tint on the original system
  refpal #fffb87,#b1ae4e,#84804e,#4e4e4e
}

refcoldef
{
  id col_nintendo_gb_pocket
  desc Nintendo Game Boy Pocket

  # this is based on the light gray/black tint of the GB Pocket screen
  refpal #c4cfa1,#8b956d,#6b7353,#414141
}