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Merge pull request #64 from jdgleaver/palettes
Add optional WonderSwan 'mono' colourisation palettes
This commit is contained in:
Autechre
GitHub
commit
240a116417
90
libretro.c
90
libretro.c
@ -52,6 +52,75 @@ static uint16_t *rotate_buf = NULL;
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*(out_ptr + y + (((width - 1) - x) * height)) = *(in_ptr + x + (y * width)); \
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}
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/* Mono palettes */
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struct ws_mono_palette
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{
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const char *name;
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uint32 start;
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uint32 end;
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};
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struct ws_mono_palette ws_mono_palettes[] = {
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{ "default", 0x000000, 0xFFFFFF },
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{ "wonderswan", 0x3E3D20, 0x9B9D66 },
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{ "wondeswan_color", 0x1B201E, 0xD7D49D },
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{ "swancrystal", 0x151108, 0xFFFCCA },
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{ "gb_dmg", 0x00420C, 0x578200 },
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{ "gb_pocket", 0x2A3325, 0xA7B19A },
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{ "gb_light", 0x00778D, 0x01CBDF },
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{ "blossom_pink", 0x180F0F, 0xF09898 },
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{ "bubbles_blue", 0x0D1418, 0x88D0F0 },
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{ "buttercup_green", 0x12160D, 0xB8E088 },
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{ "digivice", 0x000000, 0x8C8C73 },
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{ "game_com", 0x000000, 0xA7BF6B },
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{ "gameking", 0x184221, 0x8CCE94 },
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{ "game_master", 0x2D2D2B, 0x829FA6 },
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{ "golden_wild", 0x120F0A, 0xB99F65 },
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{ "greenscale", 0x0C360C, 0x9CBE0C },
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{ "hokage_orange", 0x170D08, 0xEA8352 },
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{ "labo_fawn", 0x15110B, 0xD7AA73 },
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{ "legendary_super_saiyan", 0x101509, 0xA5DB5A },
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{ "microvision", 0x303030, 0xA0A0A0 },
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{ "million_live_gold", 0x141109, 0xCDB261 },
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{ "odyssey_gold", 0x131000, 0xC2A000 },
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{ "shiny_sky_blue", 0x0E1216, 0x8CB6DF },
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{ "slime_blue", 0x040E14, 0x2F8CCC },
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{ "ti_83", 0x181810, 0x9CA684 },
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{ "travel_wood", 0x482810, 0xF8D8B0 },
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{ "virtual_boy", 0x000000, 0xE30000 },
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{ NULL, 0, 0 },
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};
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static uint32 mono_pal_start = 0x000000;
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static uint32 mono_pal_end = 0xFFFFFF;
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static bool find_mono_palette(const char* name,
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uint32 *start, uint32 *end)
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{
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bool palette_found = false;
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unsigned i;
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for (i = 0; ws_mono_palettes[i].name; i++)
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{
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if (!strcmp(ws_mono_palettes[i].name, name))
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{
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*start = ws_mono_palettes[i].start;
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*end = ws_mono_palettes[i].end;
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palette_found = true;
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break;
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}
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}
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if (!palette_found)
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{
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*start = 0x000000;
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*end = 0xFFFFFF;
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}
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return palette_found;
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}
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/* Cygne
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*
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* Copyright notice for this file:
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@ -144,7 +213,8 @@ static void Emulate(EmulateSpecStruct *espec, int16_t *sndbuf)
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espec->DisplayRect.h = 144;
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if(espec->VideoFormatChanged)
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WSwan_SetPixelFormat(espec->surface->depth);
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WSwan_SetPixelFormat(espec->surface->depth,
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mono_pal_start, mono_pal_end);
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if(espec->SoundFormatChanged)
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WSwan_SetSoundRate(RETRO_SAMPLE_RATE);
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@ -521,6 +591,8 @@ static void rotate_display(void)
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static void check_variables(int startup)
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{
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struct retro_variable var = {0};
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uint32 prev_mono_pal_start;
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uint32 prev_mono_pal_end;
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var.key = "wswan_rotate_display",
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var.value = NULL;
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@ -550,6 +622,19 @@ static void check_variables(int startup)
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rotate_joymap = 2;
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}
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var.key = "wswan_mono_palette",
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var.value = NULL;
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prev_mono_pal_start = mono_pal_start;
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prev_mono_pal_end = mono_pal_end;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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find_mono_palette(var.value, &mono_pal_start, &mono_pal_end);
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if ((mono_pal_start != prev_mono_pal_start) ||
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(mono_pal_end != prev_mono_pal_end))
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WSwan_SetMonoPalette(RETRO_PIX_DEPTH, mono_pal_start, mono_pal_end);
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var.key = "wswan_sound_sample_rate";
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var.value = NULL;
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@ -707,7 +792,8 @@ bool retro_load_game(const struct retro_game_info *info)
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check_variables(false);
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WSwan_SetPixelFormat(RETRO_PIX_DEPTH);
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WSwan_SetPixelFormat(RETRO_PIX_DEPTH,
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mono_pal_start, mono_pal_end);
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update_video = false;
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update_audio = true;
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@ -72,6 +72,42 @@ struct retro_core_option_definition option_defs_us[] = {
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},
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"auto",
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},
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{
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"wswan_mono_palette",
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"WS Colorization",
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"Enables colorization of WonderSwan (Mono) games. 'WS' palettes mimic the display of original WonderSwan hardware.",
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{
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{ "default", "Greyscale" },
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{ "wonderswan", "WS - WonderSwan" },
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{ "wondeswan_color", "WS - WonderSwan Color" },
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{ "swancrystal", "WS - SwanCrystal" },
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{ "gb_dmg", "Game Boy DMG" },
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{ "gb_pocket", "Game Boy Pocket" },
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{ "gb_light", "Game Boy Light" },
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{ "blossom_pink", "Blossom Pink" },
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{ "bubbles_blue", "Bubbles Blue" },
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{ "buttercup_green", "Buttercup Green" },
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{ "digivice", "Digivice" },
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{ "game_com", "Game.com" },
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{ "gameking", "GameKing" },
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{ "game_master", "Game Master" },
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{ "golden_wild", "Golden Wild" },
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{ "greenscale", "Greenscale" },
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{ "hokage_orange", "Hokage Orange" },
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{ "labo_fawn", "Labo Fawn" },
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{ "legendary_super_saiyan", "Legendary Super Saiyan" },
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{ "microvision", "Microvision" },
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{ "million_live_gold", "Million Live Gold" },
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{ "odyssey_gold", "Odyssey Gold" },
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{ "shiny_sky_blue", "Shiny Sky Blue" },
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{ "slime_blue", "Slime Blue" },
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{ "ti_83", "TI-83" },
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{ "travel_wood", "Travel Wood" },
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{ "virtual_boy", "Virtual Boy" },
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{ NULL, NULL },
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},
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"default"
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},
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{
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"wswan_sound_sample_rate",
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"Sound Output Sample Rate",
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@ -270,9 +270,38 @@ void WSwan_SetLayerEnableMask(uint64 mask)
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LayerEnabled = mask;
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}
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void WSwan_SetPixelFormat(int depth)
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#define LERP_MONO_PALETTE_COLOR(start, end, offset) (uint32)(((float)(((15 - offset) * start) + (offset * end)) / 15.0f) + 0.5f)
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void WSwan_SetMonoPalette(int depth, uint32 mono_start, uint32 mono_end)
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{
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unsigned r, g, b, i;
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unsigned i;
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uint32 r_start = (mono_start >> 16) & 0xFF;
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uint32 g_start = (mono_start >> 8) & 0xFF;
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uint32 b_start = (mono_start ) & 0xFF;
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uint32 r_end = (mono_end >> 16) & 0xFF;
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uint32 g_end = (mono_end >> 8) & 0xFF;
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uint32 b_end = (mono_end ) & 0xFF;
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for(i = 0; i < 16; i++)
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{
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uint32 neo_r = LERP_MONO_PALETTE_COLOR(r_start, r_end, i);
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uint32 neo_g = LERP_MONO_PALETTE_COLOR(g_start, g_end, i);
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uint32 neo_b = LERP_MONO_PALETTE_COLOR(b_start, b_end, i);
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switch(depth)
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{
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case 15: ColorMapG[i] = MAKECOLOR_15(neo_r, neo_g, neo_b, 0); break;
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case 16: ColorMapG[i] = MAKECOLOR_16(neo_r, neo_g, neo_b, 0); break;
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case 24: ColorMapG[i] = MAKECOLOR_24(neo_r, neo_g, neo_b, 0); break;
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}
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}
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}
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void WSwan_SetPixelFormat(int depth, uint32 mono_start, uint32 mono_end)
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{
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unsigned r, g, b;
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for(r = 0; r < 16; r++)
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for(g = 0; g < 16; g++)
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for(b = 0; b < 16; b++)
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@ -291,21 +320,7 @@ void WSwan_SetPixelFormat(int depth)
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}
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}
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for(i = 0; i < 16; i++)
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{
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uint32 neo_r, neo_g, neo_b;
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neo_r = i * 17;
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neo_g = i * 17;
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neo_b = i * 17;
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switch(depth)
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{
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case 15: ColorMapG[i] = MAKECOLOR_15(neo_r, neo_g, neo_b, 0); break;
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case 16: ColorMapG[i] = MAKECOLOR_16(neo_r, neo_g, neo_b, 0); break;
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case 24: ColorMapG[i] = MAKECOLOR_24(neo_r, neo_g, neo_b, 0); break;
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}
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}
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WSwan_SetMonoPalette(depth, mono_start, mono_end);
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}
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void wsScanline(uint16 *target, int depth)
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@ -26,7 +26,9 @@ void WSWan_TCacheInvalidByAddr(uint32);
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bool wsExecuteLine(MDFN_Surface *surface, bool skip);
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void WSwan_SetPixelFormat(int depth);
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void WSwan_SetMonoPalette(int depth, uint32 mono_start, uint32 mono_end);
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void WSwan_SetPixelFormat(int depth, uint32 mono_start, uint32 mono_end);
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void WSwan_GfxInit(void);
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