1 /* Project 16 Source Code~
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2 * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669
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4 * This file is part of Project 16.
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6 * Project 16 is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either verson 3 of the License, or
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9 * (at your option) any later version.
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11 * Project 16 is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>, or
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18 * write to the Free Software Foundation, Inc., 51 Franklin Street,
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19 * Fifth Floor, Boston, MA 02110-1301 USA.
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26 #include "src/lib/modex16.h"
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28 byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */
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30 static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);
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31 static byte tmppal[PAL_SIZE];
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33 /////////////////////////////////////////////////////////////////////////////
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35 // setvideo() - This function Manages the video modes //
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37 /////////////////////////////////////////////////////////////////////////////
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38 void VGAmodeX(sword vq, boolean cmem, global_game_variables_t *gv)
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44 case 0: // deinit the video
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45 // change to the video mode we were in before we switched to mode 13h
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48 in.h.al = gv->video.old_mode;
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49 int86(0x10, &in, &out);
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51 default: // init the video
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52 // get old video mode
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54 //int86(0x10, &in, &out);
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55 gv->video.old_mode = vgaGetMode();//out.h.al;
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57 modexEnter(vq, cmem, gv);
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63 vgaSetMode(byte mode)
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65 int10_setmode(mode);
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68 //---------------------------------------------------
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70 // Use the bios to get the current video mode
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73 byte/*FIXME: why long? "long" is 32-bit datatype, VGA modes are 8-bit numbers. */
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76 return int10_getmode();
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79 /* -========================= Entry Points ==========================- */
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80 void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv)
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83 dword far*ptr=(dword far*)vga_state.vga_graphics_ram;//VGA; /* used for faster screen clearing */
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84 struct vga_mode_params cm;
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87 vgaSetMode(VGA_256_COLOR_MODE);
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88 vga_enable_256color_modex();
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89 update_state_from_vga();
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90 vga_read_crtc_mode(&cm);
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95 //CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);
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96 /* width and height */
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97 gv->video.page[0].sw=vga_state.vga_width = 320; // VGA lib currently does not update this
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98 gv->video.page[0].sh=vga_state.vga_height = 240; // VGA lib currently does not update this
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100 // 320x240 mode 60Hz
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101 cm.horizontal_total=0x5f + 5; /* CRTC[0] -5 */
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102 cm.horizontal_display_end=0x4f + 1; /* CRTC[1] -1 */
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103 cm.horizontal_blank_start=0x50 + 1; /* CRTC[2] */
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104 cm.horizontal_blank_end=0x82 + 1; /* CRTC[3] bit 0-4 & CRTC[5] bit 7 */
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105 cm.horizontal_start_retrace=0x54;/* CRTC[4] */
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106 cm.horizontal_end_retrace=0x80; /* CRTC[5] bit 0-4 */
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107 //cm.horizontal_start_delay_after_total=0x3e; /* CRTC[3] bit 5-6 */
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108 //cm.horizontal_start_delay_after_retrace=0x41; /* CRTC[5] bit 5-6 */
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109 cm.vertical_total = 0x20D + 2;
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110 cm.vertical_start_retrace = 0x1EA;
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111 cm.vertical_end_retrace = 0x1EC;
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112 cm.vertical_display_end = 480;
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113 cm.vertical_blank_start = 0x1E7 + 1;
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114 cm.vertical_blank_end = 0x206 + 1;
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115 cm.clock_select = 0; /* misc register = 0xE3 25MHz */
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119 case 2: // TODO: 160x120 according to ModeX_160x120regs
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121 case 3: // TODO: 160x120 according to ModeX_320x200regs
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123 case 4: // TODO: 160x120 according to ModeX_192x144regs
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125 case 5: // TODO: 160x120 according to ModeX_256x192regs
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131 vga_write_crtc_mode(&cm,0);
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133 /* clear video memory */
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137 /* clear video memory */
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138 vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);
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139 for(i=0; i<0x8000; i++) ptr[i] = 0x0000;
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142 gv->video.page[0].tilesw = gv->video.page[0].sw/TILEWH;
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143 gv->video.page[0].tilesh = gv->video.page[0].sh/TILEWH;
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144 //TODO MAKE FLEXIBLE~
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145 gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;
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146 gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;
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147 #define PAGE_SIZE (word)(gv->video.page[0].sw/4 * gv->video.page[0].sh)
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152 /* TODO restore original mode and palette */
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153 vgaSetMode(TEXT_MODE);
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157 modexDefaultPage(page_t *p)
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161 /* default page values */
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162 page.data = vga_state.vga_graphics_ram;//VGA;
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167 page.width = p->sw;
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168 page.height = p->sh;
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169 page.tw = page.sw/TILEWH;
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170 page.th = page.sh/TILEWH;
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171 page.tilemidposscreenx = page.tw/2;
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172 page.tilemidposscreeny = (page.th/2)+1;
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173 page.tilesw=p->tilesw;
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174 page.tilesh=p->tilesh;
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175 //pageSize = p->sw*p->sh;
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181 /* returns the next page in contiguous memory
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182 * the next page will be the same size as p, by default
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185 modexNextPage(page_t *p) {
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188 result.data = p->data + (p->width/4)*p->height;
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191 result.width = p->width;
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192 result.height = p->height;
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193 result.tw = p->width/TILEWH;
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194 result.th = p->height/TILEWH;
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195 result.id = p->id+1;
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198 // return modexNextPageFlexibleSize(&p, p->width, p->height);
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201 //next page with defined dimentions~
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203 modexNextPageFlexibleSize(page_t *p, word x, word y)
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207 result.data = p->data + (p->width/4)*p->height; /* compute the offset */
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212 result.tw = p->width/TILEWH;
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213 result.th = p->height/TILEWH;
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214 result.id = p->id+1;
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221 modexShowPage(page_t *page) {
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227 /* calculate offset */
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228 offset = (word) page->data;
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229 offset += page->dy * (page->width >> 2 );
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230 offset += page->dx >> 2;
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232 /* calculate crtcOffset according to virtual width */
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233 crtcOffset = page->width >> 3;
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235 high_address = HIGH_ADDRESS | (offset & 0xff00);
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236 low_address = LOW_ADDRESS | (offset << 8);
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238 /* wait for appropriate timing and then program CRTC */
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239 while ((inp(INPUT_STATUS_1) & DISPLAY_ENABLE));
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240 outpw(CRTC_INDEX, high_address);
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241 outpw(CRTC_INDEX, low_address);
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242 outp(CRTC_INDEX, 0x13);
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243 outp(CRTC_DATA, crtcOffset);
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245 /* wait for one retrace */
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246 while (!(inp(INPUT_STATUS_1) & VRETRACE));
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248 /* do PEL panning here */
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249 outp(AC_INDEX, 0x33);
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250 outp(AC_INDEX, (page->dx & 0x03) << 1);
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255 modexPanPage(page_t *page, int dx, int dy) {
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262 modexSelectPlane(byte plane) {
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263 outp(SC_INDEX, MAP_MASK); /* select plane */
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264 outp(SC_DATA, plane);
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269 modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) {
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270 word pageOff = (word) page->data;
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271 word xoff=x/4; /* xoffset that begins each row */
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272 word scanCount=w/4; /* number of iterations per row (excluding right clip)*/
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273 word poffset = pageOff + y*(page->width/4) + xoff; /* starting offset */
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274 word nextRow = page->width/4-scanCount-1; /* loc of next row */
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275 byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */
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276 byte rclip[] = {0x00, 0x01, 0x03, 0x07};
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277 byte left = lclip[x&0x03];
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278 byte right = rclip[(x+w)&0x03];
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280 /* handle the case which requires an extra group */
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281 if((x & 0x03) && !((x+w) & 0x03)) {
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286 MOV AX, SCREEN_SEG ; go to the VGA memory
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288 MOV DI, poffset ; go to the first pixel
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289 MOV DX, SC_INDEX ; point to the map mask
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293 MOV AL, color ; get ready to write colors
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295 MOV CX, scanCount ; count the line
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296 MOV BL, AL ; remember color
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297 MOV AL, left ; do the left clip
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298 OUT DX, AL ; set the left clip
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299 MOV AL, BL ; restore color
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300 STOSB ; write the color
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302 JZ SCAN_DONE ; handle 1 group stuff
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304 ;-- write the main body of the scanline
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305 MOV BL, AL ; remember color
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306 MOV AL, 0x0f ; write to all pixels
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308 MOV AL, BL ; restore color
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309 REP STOSB ; write the color
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311 MOV BL, AL ; remeber color
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313 OUT DX, AL ; do the right clip
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314 MOV AL, BL ; restore color
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315 STOSB ; write pixel
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316 ADD DI, nextRow ; go to the next row
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322 /* moved to src/lib/modex16/16render.c */
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324 /* copy a region of video memory from one page to another.
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325 * It assumes that the left edge of the tile is the same on both
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326 * regions and the memory areas do not overlap.
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329 modexCopyPageRegion(page_t *dest, page_t *src,
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332 word width, word height)
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334 word doffset = (word)dest->data + dy*(dest->width/4) + dx/4;
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335 word soffset = (word)src->data + sy*(src->width/4) + sx/4;
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336 word scans = width/4;
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337 word nextSrcRow = src->width/4 - scans - 1;
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338 word nextDestRow = dest->width/4 - scans - 1;
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339 byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */
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340 byte rclip[] = {0x0f, 0x01, 0x03, 0x07};
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341 byte left = lclip[sx&0x03];
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342 byte right = rclip[(sx+width)&0x03];
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345 MOV AX, SCREEN_SEG ; work in the vga space
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350 MOV DX, GC_INDEX ; turn off cpu bits
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354 MOV AX, SC_INDEX ; point to the mask register
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364 MOV CX, scans ; the number of latches
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366 MOV AL, left ; do the left column
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371 MOV AL, 0fh ; do the inner columns
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373 REP MOVSB ; copy the pixels
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375 MOV AL, right ; do the right column
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380 MOV AX, SI ; go the start of the next row
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381 ADD AX, nextSrcRow ;
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384 ADD AX, nextDestRow ;
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387 DEC height ; do the rest of the actions
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390 MOV DX, GC_INDEX+1 ; go back to CPU data
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391 MOV AL, 0ffh ; none from latches
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397 /* fade and flash */
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399 modexFadeOn(word fade, byte *palette) {
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400 fadePalette(-fade, 64, 64/fade+1, palette);
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405 modexFadeOff(word fade, byte *palette) {
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406 fadePalette(fade, 0, 64/fade+1, palette);
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411 modexFlashOn(word fade, byte *palette) {
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412 fadePalette(fade, -64, 64/fade+1, palette);
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417 modexFlashOff(word fade, byte *palette) {
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418 fadePalette(-fade, 0, 64/fade+1, palette);
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423 fadePalette(sbyte fade, sbyte start, word iter, byte *palette) {
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427 /* handle the case where we just update */
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429 modexPalUpdate1(palette);
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433 while(iter > 0) { /* FadeLoop */
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434 for(i=0; i<PAL_SIZE; i++) { /* loadpal_loop */
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435 tmppal[i] = palette[i] - dim;
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436 if(tmppal[i] > 127) {
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438 } else if(tmppal[i] > 63) {
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442 modexPalUpdate1(tmppal);
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449 /* save and load */
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451 modexPalSave(byte *palette) {
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454 outp(PAL_READ_REG, 0); /* start at palette entry 0 */
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455 for(i=0; i<PAL_SIZE; i++) {
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456 palette[i] = inp(PAL_DATA_REG); /* read the palette data */
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464 ptr = malloc(PAL_SIZE);
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466 /* handle errors */
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468 printf("Could not allocate palette.\n");
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477 modexLoadPalFile(byte *filename, byte **palette) {
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481 /* free the palette if it exists */
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486 /* allocate the new palette */
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487 *palette = modexNewPal();
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489 /* open the file */
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490 file = fopen(filename, "rb");
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492 printf("Could not open palette file: %s\n", filename);
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496 /* read the file */
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498 while(!feof(file)) {
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499 *ptr++ = fgetc(file);
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507 modexSavePalFile(char *filename, byte *pal) {
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511 /* open the file for writing */
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512 file = fopen(filename, "wb");
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514 printf("Could not open %s for writing\n", filename);
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518 /* write the data to the file */
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519 fwrite(pal, 1, PAL_SIZE, file);
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527 fadePalette(-1, 64, 1, tmppal);
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533 fadePalette(-1, -64, 1, tmppal);
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539 modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset)
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541 byte *p = bmp->palette;
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545 static word a[PAL_SIZE]; //palette array of change values!
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546 word z=0, aq=0, aa=0, pp=0;
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551 memset(a, -1, sizeof(a));
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552 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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562 // printf("q: %02d\n", (q));
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563 // printf("qq: %02d\n", (qq));
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564 //printf(" (*i)-q=%02d\n", (*i)-q);
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565 outp(PAL_WRITE_REG, qq); /* start at the beginning of palette */
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567 if((*i)<PAL_SIZE/2 && w==0)
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569 for(; (*i)<PAL_SIZE/2; (*i)++)
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571 //if(i%3==0 && (p[i+5]==p[i+4] && p[i+4]==p[i+3] && p[i+3]==p[i+2] && p[i+2]==p[i+1] && p[i+1]==p[i] && p[i+5]==p[i]))
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572 //____ if((qp>0)&&((*i)-q)%3==0 && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5])) outp(PAL_DATA_REG, p[(*i)-q]); else
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573 if(((((*i)-q)%3==0)) && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5]))
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578 else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))
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580 //printf("qp=%d\n", qp);
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581 //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);
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582 printf(" %d's color=%d\n", (*i), (a[qp])-(bmp->offset*3)+qp);
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583 //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!
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584 if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }
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588 if(bmp->offset==0 && (*i)<3 && q==0) outp(PAL_DATA_REG, 0);
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590 if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);
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591 else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);
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592 printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }
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595 //if(qp>0) printf("qp=%d\n", qp);
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596 //if(qp>0) printf(" (*i)=%d\n", (*i)/3);
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598 modexWaitBorder(); /* waits one retrace -- less flicker */
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599 if((*i)>=PAL_SIZE/2 && w==0)
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601 for(; (*i)<PAL_SIZE; (*i)++)
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603 //____ if((qp>0)&&((*i)-q)%3==0 && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5])) outp(PAL_DATA_REG, p[(*i)-q]); else
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604 if(((((*i)-q)%3==0)) && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5]))
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609 else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))
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611 //printf("qp=%d\n", qp);
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612 //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);
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613 printf(" %d's color=%d\n", (*i), (a[qp]-(bmp->offset*3)+qp));
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614 //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!
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615 if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }
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619 if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);
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620 else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);
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621 printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }
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624 //printf(" (*i)=%d\n", (*i)/3);
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627 printf("\nqqqqqqqq\n\n");
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633 long bufSize = (bmp->width * bmp->height);
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635 //printf("1(*i)=%02d\n", (*i)/3);
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636 //printf("1z=%02d\n", z/3);
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637 chkcolor(bmp, &q, &a, &aa, &z, i);
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638 //printf("2(*i)=%02d\n", (*i)/3);
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639 //printf("2z=%02d\n", z/3);
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644 // printf("a[%02d]=(%d)\n", aq, a[aq]);
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645 if(a[aq]==-1) aq++;
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646 else { aqoffset++; break; }
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648 //update the image data here!
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649 for(lq=0; lq<bufSize; lq++)
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653 use a[qp] instead of bmp->offset for this spot!
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658 Facking bloody point the values of the changed palette to correct values.... major confusion! wwww
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661 //(offset/bmp->offset)*bmp->offset
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664 //printf("%02d ",bmp->data[lq]+bmp->offset);
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665 //if(lq > 0 && lq%bmp->width==0) printf("\n");
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666 //printf("%02d_", bmp->data[lq]+bmp->offset);
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667 /*if(bmp->data[lq]+bmp->offset==aq)
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669 //printf("%02d", bmp->data[lq]);
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670 //printf("\n%02d\n", bmp->offset);
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671 printf("aq=%02d ", aq);
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672 printf("a[aq]=%02d ", a[aq]);
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673 printf("a[aq]+aqpp=%02d ", a[aq]+aqpp);
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674 printf("a[aq]-aqpp=%02d\n", a[aq]-aqpp);
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675 //bmp->data[lq]=((bmp->data[lq]+bmp->offset)-a[aq]);
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676 //++++ bmp->data[lq]=a[aq]-aqpp;
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677 // printf("_%d ", bmp->data[lq]);
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678 //if(lq > 0 && lq%bmp->width==0) printf("\n");
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680 else if(bmp->data[lq]+bmp->offset < ((*i)/3)-aqpp)
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682 if(bmp->data[lq]+bmp->offset >= aq)
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684 bmp->data[lq]=(bmp->data[lq]+bmp->offset)-aqpp;//-((z-(*i))/3);
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685 //printf("_%d ", bmp->data[lq]+bmp->offset)-aqpp-((z-(*i))/3);
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687 else bmp->data[lq]+=(bmp->offset-aqpp);
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690 //printf("%02d`", bmp->data[lq]);
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691 //if(lq > 0 && lq%bmp->width==0) printf("\n");
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694 //printf(" aq=%02d\n", aq);
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695 //printf(" aa=%02d\n", aa);
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697 //update the palette~
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698 modexPalUpdate(bmp, &pp, aq, aqoffset);
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701 if(aq<aa){ pp=q; aq++; goto aqpee; }
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706 modexPalUpdate1(byte *p)
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710 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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711 for(i=0; i<PAL_SIZE/2; i++)
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713 outp(PAL_DATA_REG, p[i]);
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715 modexWaitBorder(); /* waits one retrace -- less flicker */
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716 for(; i<PAL_SIZE; i++)
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718 outp(PAL_DATA_REG, p[(i)]);
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723 modexPalUpdate0(byte *p)
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727 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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728 for(i=0; i<PAL_SIZE/2; i++)
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730 outp(PAL_DATA_REG, rand());
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732 modexWaitBorder(); /* waits one retrace -- less flicker */
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733 for(; i<PAL_SIZE; i++)
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735 outp(PAL_DATA_REG, rand());
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740 modexPalOverscan(byte *p, word col)
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743 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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744 outp(PAL_DATA_REG, col);
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748 //i want to make another vesion that checks the palette when the palette is being appened~
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749 void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/)
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753 pal = modexNewPal();
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755 //printf("q: %02d\n", (*q));
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756 printf("chkcolor start~\n");
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757 printf("1 (*z): %d\n", (*z)/3);
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758 printf("1 (*i): %d\n", (*i)/3);
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759 // printf("1 offset of color in palette (*q): %d\n", (*q)/3);
\r
760 printf("wwwwwwwwwwwwwwww\n");
\r
761 //check palette for dups
\r
762 for(; (*z)<PAL_SIZE; (*z)+=3)
\r
764 //printf("\n z: %d\n", (*z));
\r
765 //printf(" q: %d\n", (*q));
\r
766 //printf(" z+q: %d\n\n", ((*z)+(*q)));
\r
769 //---- if(pal[(*z)]==pal[(*z)+3] && pal[(*z)+1]==pal[(*z)+4] && pal[(*z)+2]==pal[(*z)+5])
\r
772 // printf("\n%d [%02d][%02d][%02d]\n", (*z), pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
\r
773 // printf("%d [%02d][%02d][%02d]\n\n", (*z)+3, pal[(*z)+3], pal[(*z)+4], pal[(*z)+5]);
\r
777 else for(zz=0; zz<(*q); zz+=3)
\r
779 //printf("zz: %02d\n", zz/3);
\r
782 if(pal[((*z)+(*q))]==pal[((*z)+(*q))+3] && pal[((*z)+(*q))+1]==pal[((*z)+(*q))+4] && pal[((*z)+(*q))+2]==pal[((*z)+(*q))+5]) //break if duplicate colors found in palette because it have reached the end of the current data of the palette
\r
786 // printf("\nzq1:%d[%02d][%02d][%02d]\n", (zz+q), pal[(zz+q)], pal[(zz+q)+1], pal[(zz+q)+2]);
\r
787 // printf("zq2:%d[%02d][%02d][%02d]\n\n", (zz+q)+3, pal[(zz+q)+3], pal[(zz+q)+4], pal[(zz+q)+5]);
\r
790 else if(pal[zz]==pal[((*z)+(*q))] && pal[zz+1]==pal[((*z)+(*q))+1] && pal[zz+2]==pal[((*z)+(*q))+2])
\r
792 // printf("\n\nwwwwwwwwwwwwwwww\n");
\r
793 // printf(" zq: %d [%02d][%02d][%02d] value that is needing to be changed~\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);
\r
794 // printf(" zz: %d [%02d][%02d][%02d] value that the previous value is going to change to~\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);
\r
795 // //printf(" zv: %d [%02d][%02d][%02d] wwww\n", (zz-z+q)/3, pal[(zz-z+q)], pal[(zz-z+q)+1], pal[(zz-z+q)+2]);
\r
796 // printf(" z : %d [%02d][%02d][%02d] offset value~\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
\r
801 planned features that i plan to implement~
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802 image that has values on the pallete list!
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804 no... wait.... no wwww
\r
806 //for(zzii=0; zzii<3; zzii++)
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808 //printf("z+q: %d\n\n", ((*z)+(*q)));
\r
809 a[(((*z)+(*q)))]=zz;
\r
811 (*aa)=(((*z)+(*q)));
\r
812 printf("!! a[%02d]: %d\n", (((*z)+(*q))/3), zz/3);
\r
813 // printf("\n aa: %d\n\n", (*aa));
\r
814 // printf(" a[%02d]=(%02d) offset array i think the palette should be updated again~\n", ((*z)+(*q))/3, a[((*z)+(*q))/3]);
\r
815 // printf("wwwwwwwwwwwwwwww\n\n");
\r
819 printf("================\n");
\r
820 printf("zq: %d [%02d][%02d][%02d]\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);
\r
821 printf("zz: %d [%02d][%02d][%02d]\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);
\r
822 printf("z : %d [%02d][%02d][%02d]\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
\r
823 printf("================\n");
\r
825 //printf("[%d]", (zz+q));
\r
829 printf("wwwwwwwwwwwwwwww\n");
\r
830 printf("2 (*z): %d\n", (*z)/3);
\r
831 printf("2 (*i): %d\n", (*i)/3);
\r
832 // printf("2 offset of color in palette (*q): %d\n", (*q)/3);
\r
833 printf("chkcolor end~\n");
\r
837 void modexputPixel(page_t *page, int x, int y, byte color)
\r
839 word pageOff = (word) page->data;
\r
840 /* Each address accesses four neighboring pixels, so set
\r
841 Write Plane Enable according to which pixel we want
\r
842 to modify. The plane is determined by the two least
\r
843 significant bits of the x-coordinate: */
\r
844 modexSelectPlane(PLANE(x));
\r
845 //outp(SC_INDEX, 0x02);
\r
846 //outp(SC_DATA, 0x01 << (x & 3));
\r
848 /* The offset of the pixel into the video segment is
\r
849 offset = (width * y + x) / 4, and write the given
\r
850 color to the plane we selected above. Heed the active
\r
851 page start selection. */
\r
852 VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color;
\r
856 byte modexgetPixel(page_t *page, int x, int y)
\r
858 word pageOff = (word) page->data;
\r
859 /* Select the plane from which we must read the pixel color: */
\r
860 outpw(GC_INDEX, 0x04);
\r
861 outpw(GC_INDEX+1, x & 3);
\r
863 return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff];
\r
867 void modexhlin(page_t *page, word xl, word xh, word y, word color)
\r
872 for(x=0;x<xh*4;x+=4)
\r
874 if(x+4>=page[0].sw-1){ x=0; yy+=4; }
\r
875 modexClearRegion(page, x+xl, y+yy, 4, 4, color);
\r
877 //modexputPixel(page, x+xl, y, color);
\r
880 void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str, boolean q)
\r
883 word addr = (word) romFontsData.l;
\r
888 w=romFonts[t].charSize;
\r
889 romFontsData.chw=0;
\r
891 for(; *str != '\0'; str++)
\r
894 if((c=='\n'/* || c=="\
\r
895 "*/) || romFontsData.chw
\r
898 romFontsData.chw=0;
\r
899 y+=romFonts[t].charSize;
\r
902 //load the letter 'A'
\r
908 MOV AL, c ; the letter
\r
911 ADD SI, AX ;the address of charcter
\r
919 //TODO: OPTIMIZE THIS!!!!
\r
920 modexDrawCharPBuf(page, x, y, t, col, bgcol, q);
\r
926 void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)
\r
928 word i, s, o, w, j, xp;
\r
930 word addr = (word) l;
\r
957 for(; *str != '\0'; str++)
\r
960 if((c=='\n'/* || c=="\
\r
961 "*/)/* || chw>=page->width*/)
\r
967 //load the letter 'A'
\r
973 MOV AL, c ; the letter
\r
976 ADD SI, AX ;the address of charcter
\r
991 //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);
\r
992 modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol);
\r
1001 /* palette dump on display! */
\r
1002 void pdump(page_t *pee)
\r
1004 int mult=(QUADWH);
\r
1005 int palq=(mult)*TILEWH;
\r
1008 for(paly=0; paly<palq; paly+=mult){
\r
1009 for(palx=0; palx<palq; palx+=mult){
\r
1010 modexClearRegion(pee, palx+TILEWH, paly+TILEWH, mult, mult, palcol);
\r
1016 /////////////////////////////////////////////////////////////////////////////
\r
1018 // cls() - This clears the screen to the specified color, on the VGA or on //
\r
1019 // the Virtual screen. //
\r
1021 /////////////////////////////////////////////////////////////////////////////
\r
1022 void cls(page_t *page, byte color, byte *Where)
\r
1024 //modexClearRegion(page, 0, 0, page->width, page->height, color);
\r
1025 /* set map mask to all 4 planes */
\r
1026 outpw(SC_INDEX, 0xff02);
\r
1027 //_fmemset(VGA, color, 16000);
\r
1028 _fmemset(Where, color, page->width*(page->height)/4);
\r
1032 modexWaitBorder() {
\r
1033 while(inp(INPUT_STATUS_1) & 8) {
\r
1037 while(!(inp(INPUT_STATUS_1) & 8)) {
\r