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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67 regs.h.ah = SET_MODE;
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69 int86(VIDEO_INT, ®s, ®s);
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72 //---------------------------------------------------
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74 // Use the bios to get the current video mode
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83 int86(VIDEO_INT, &rg, &rg);
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88 /* -========================= Entry Points ==========================- */
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89 void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv)
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92 dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */
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93 struct vga_mode_params cm;
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96 vgaSetMode(VGA_256_COLOR_MODE);
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97 vga_enable_256color_modex();
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98 update_state_from_vga();
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99 vga_read_crtc_mode(&cm);
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104 //CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);
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105 /* width and height */
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106 gv->video.page[0].sw=vga_state.vga_width = 320; // VGA lib currently does not update this
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107 gv->video.page[0].sh=vga_state.vga_height = 240; // VGA lib currently does not update this
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109 // 320x240 mode 60Hz
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110 cm.horizontal_total=0x5f + 5; /* CRTC[0] -5 */
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111 cm.horizontal_display_end=0x4f + 1; /* CRTC[1] -1 */
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112 cm.horizontal_blank_start=0x50 + 1; /* CRTC[2] */
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113 cm.horizontal_blank_end=0x82 + 1; /* CRTC[3] bit 0-4 & CRTC[5] bit 7 */
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114 cm.horizontal_start_retrace=0x54;/* CRTC[4] */
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115 cm.horizontal_end_retrace=0x80; /* CRTC[5] bit 0-4 */
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116 //cm.horizontal_start_delay_after_total=0x3e; /* CRTC[3] bit 5-6 */
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117 //cm.horizontal_start_delay_after_retrace=0x41; /* CRTC[5] bit 5-6 */
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118 cm.vertical_total = 0x20D + 2;
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119 cm.vertical_start_retrace = 0x1EA;
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120 cm.vertical_end_retrace = 0x1EC;
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121 cm.vertical_display_end = 480;
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122 cm.vertical_blank_start = 0x1E7 + 1;
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123 cm.vertical_blank_end = 0x206 + 1;
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124 cm.clock_select = 0; /* misc register = 0xE3 25MHz */
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128 case 2: // TODO: 160x120 according to ModeX_160x120regs
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130 case 3: // TODO: 160x120 according to ModeX_320x200regs
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132 case 4: // TODO: 160x120 according to ModeX_192x144regs
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134 case 5: // TODO: 160x120 according to ModeX_256x192regs
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140 vga_write_crtc_mode(&cm,0);
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142 /* clear video memory */
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146 /* clear video memory */
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147 vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);
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148 for(i=0; i<0x8000; i++) ptr[i] = 0x0000;
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151 gv->video.page[0].tilesw = gv->video.page[0].sw/TILEWH;
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152 gv->video.page[0].tilesh = gv->video.page[0].sh/TILEWH;
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153 //TODO MAKE FLEXIBLE~
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154 gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;
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155 gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;
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156 #define PAGE_SIZE (word)(gv->video.page[0].sw/4 * gv->video.page[0].sh)
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161 /* TODO restore original mode and palette */
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162 vgaSetMode(TEXT_MODE);
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166 modexDefaultPage(page_t *p)
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170 /* default page values */
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176 page.width = p->sw;
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177 page.height = p->sh;
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178 page.tw = page.sw/TILEWH;
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179 page.th = page.sh/TILEWH;
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180 page.tilemidposscreenx = page.tw/2;
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181 page.tilemidposscreeny = (page.th/2)+1;
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182 page.tilesw=p->tilesw;
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183 page.tilesh=p->tilesh;
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184 //pageSize = p->sw*p->sh;
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190 /* returns the next page in contiguous memory
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191 * the next page will be the same size as p, by default
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194 modexNextPage(page_t *p) {
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197 result.data = p->data + (p->width/4)*p->height;
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200 result.width = p->width;
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201 result.height = p->height;
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202 result.tw = p->width/TILEWH;
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203 result.th = p->height/TILEWH;
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204 result.id = p->id+1;
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207 // return modexNextPageFlexibleSize(&p, p->width, p->height);
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210 //next page with defined dimentions~
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212 modexNextPageFlexibleSize(page_t *p, word x, word y)
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216 result.data = p->data + (p->width/4)*p->height; /* compute the offset */
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221 result.tw = p->width/TILEWH;
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222 result.th = p->height/TILEWH;
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223 result.id = p->id+1;
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230 modexShowPage(page_t *page) {
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236 /* calculate offset */
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237 offset = (word) page->data;
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238 offset += page->dy * (page->width >> 2 );
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239 offset += page->dx >> 2;
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241 /* calculate crtcOffset according to virtual width */
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242 crtcOffset = page->width >> 3;
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244 high_address = HIGH_ADDRESS | (offset & 0xff00);
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245 low_address = LOW_ADDRESS | (offset << 8);
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247 /* wait for appropriate timing and then program CRTC */
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248 while ((inp(INPUT_STATUS_1) & DISPLAY_ENABLE));
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249 outpw(CRTC_INDEX, high_address);
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250 outpw(CRTC_INDEX, low_address);
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251 outp(CRTC_INDEX, 0x13);
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252 outp(CRTC_DATA, crtcOffset);
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254 /* wait for one retrace */
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255 while (!(inp(INPUT_STATUS_1) & VRETRACE));
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257 /* do PEL panning here */
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258 outp(AC_INDEX, 0x33);
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259 outp(AC_INDEX, (page->dx & 0x03) << 1);
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264 modexPanPage(page_t *page, int dx, int dy) {
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271 modexSelectPlane(byte plane) {
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272 outp(SC_INDEX, MAP_MASK); /* select plane */
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273 outp(SC_DATA, plane);
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278 modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) {
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279 word pageOff = (word) page->data;
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280 word xoff=x/4; /* xoffset that begins each row */
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281 word scanCount=w/4; /* number of iterations per row (excluding right clip)*/
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282 word poffset = pageOff + y*(page->width/4) + xoff; /* starting offset */
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283 word nextRow = page->width/4-scanCount-1; /* loc of next row */
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284 byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */
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285 byte rclip[] = {0x00, 0x01, 0x03, 0x07};
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286 byte left = lclip[x&0x03];
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287 byte right = rclip[(x+w)&0x03];
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289 /* handle the case which requires an extra group */
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290 if((x & 0x03) && !((x+w) & 0x03)) {
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295 MOV AX, SCREEN_SEG ; go to the VGA memory
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297 MOV DI, poffset ; go to the first pixel
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298 MOV DX, SC_INDEX ; point to the map mask
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302 MOV AL, color ; get ready to write colors
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304 MOV CX, scanCount ; count the line
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305 MOV BL, AL ; remember color
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306 MOV AL, left ; do the left clip
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307 OUT DX, AL ; set the left clip
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308 MOV AL, BL ; restore color
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309 STOSB ; write the color
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311 JZ SCAN_DONE ; handle 1 group stuff
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313 ;-- write the main body of the scanline
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314 MOV BL, AL ; remember color
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315 MOV AL, 0x0f ; write to all pixels
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317 MOV AL, BL ; restore color
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318 REP STOSB ; write the color
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320 MOV BL, AL ; remeber color
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322 OUT DX, AL ; do the right clip
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323 MOV AL, BL ; restore color
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324 STOSB ; write pixel
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325 ADD DI, nextRow ; go to the next row
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331 /* moved to src/lib/modex16/16render.c */
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333 /* copy a region of video memory from one page to another.
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334 * It assumes that the left edge of the tile is the same on both
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335 * regions and the memory areas do not overlap.
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338 modexCopyPageRegion(page_t *dest, page_t *src,
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341 word width, word height)
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343 word doffset = (word)dest->data + dy*(dest->width/4) + dx/4;
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344 word soffset = (word)src->data + sy*(src->width/4) + sx/4;
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345 word scans = width/4;
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346 word nextSrcRow = src->width/4 - scans - 1;
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347 word nextDestRow = dest->width/4 - scans - 1;
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348 byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */
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349 byte rclip[] = {0x0f, 0x01, 0x03, 0x07};
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350 byte left = lclip[sx&0x03];
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351 byte right = rclip[(sx+width)&0x03];
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354 MOV AX, SCREEN_SEG ; work in the vga space
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359 MOV DX, GC_INDEX ; turn off cpu bits
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363 MOV AX, SC_INDEX ; point to the mask register
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373 MOV CX, scans ; the number of latches
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375 MOV AL, left ; do the left column
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380 MOV AL, 0fh ; do the inner columns
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382 REP MOVSB ; copy the pixels
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384 MOV AL, right ; do the right column
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389 MOV AX, SI ; go the start of the next row
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390 ADD AX, nextSrcRow ;
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393 ADD AX, nextDestRow ;
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396 DEC height ; do the rest of the actions
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399 MOV DX, GC_INDEX+1 ; go back to CPU data
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400 MOV AL, 0ffh ; none from latches
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406 /* fade and flash */
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408 modexFadeOn(word fade, byte *palette) {
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409 fadePalette(-fade, 64, 64/fade+1, palette);
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414 modexFadeOff(word fade, byte *palette) {
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415 fadePalette(fade, 0, 64/fade+1, palette);
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420 modexFlashOn(word fade, byte *palette) {
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421 fadePalette(fade, -64, 64/fade+1, palette);
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426 modexFlashOff(word fade, byte *palette) {
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427 fadePalette(-fade, 0, 64/fade+1, palette);
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432 fadePalette(sbyte fade, sbyte start, word iter, byte *palette) {
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436 /* handle the case where we just update */
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438 modexPalUpdate1(palette);
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442 while(iter > 0) { /* FadeLoop */
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443 for(i=0; i<PAL_SIZE; i++) { /* loadpal_loop */
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444 tmppal[i] = palette[i] - dim;
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445 if(tmppal[i] > 127) {
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447 } else if(tmppal[i] > 63) {
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451 modexPalUpdate1(tmppal);
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458 /* save and load */
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460 modexPalSave(byte *palette) {
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463 outp(PAL_READ_REG, 0); /* start at palette entry 0 */
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464 for(i=0; i<PAL_SIZE; i++) {
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465 palette[i] = inp(PAL_DATA_REG); /* read the palette data */
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473 ptr = malloc(PAL_SIZE);
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475 /* handle errors */
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477 printf("Could not allocate palette.\n");
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486 modexLoadPalFile(byte *filename, byte **palette) {
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490 /* free the palette if it exists */
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495 /* allocate the new palette */
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496 *palette = modexNewPal();
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498 /* open the file */
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499 file = fopen(filename, "rb");
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501 printf("Could not open palette file: %s\n", filename);
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505 /* read the file */
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507 while(!feof(file)) {
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508 *ptr++ = fgetc(file);
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516 modexSavePalFile(char *filename, byte *pal) {
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520 /* open the file for writing */
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521 file = fopen(filename, "wb");
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523 printf("Could not open %s for writing\n", filename);
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527 /* write the data to the file */
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528 fwrite(pal, 1, PAL_SIZE, file);
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536 fadePalette(-1, 64, 1, tmppal);
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542 fadePalette(-1, -64, 1, tmppal);
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548 modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset)
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550 byte *p = bmp->palette;
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554 static word a[PAL_SIZE]; //palette array of change values!
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555 word z=0, aq=0, aa=0, pp=0;
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560 memset(a, -1, sizeof(a));
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561 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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571 // printf("q: %02d\n", (q));
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572 // printf("qq: %02d\n", (qq));
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573 //printf(" (*i)-q=%02d\n", (*i)-q);
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574 outp(PAL_WRITE_REG, qq); /* start at the beginning of palette */
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576 if((*i)<PAL_SIZE/2 && w==0)
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578 for(; (*i)<PAL_SIZE/2; (*i)++)
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580 //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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581 //____ 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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582 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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587 else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))
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589 //printf("qp=%d\n", qp);
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590 //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);
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591 printf(" %d's color=%d\n", (*i), (a[qp])-(bmp->offset*3)+qp);
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592 //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!
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593 if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }
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597 if(bmp->offset==0 && (*i)<3 && q==0) outp(PAL_DATA_REG, 0);
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599 if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);
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600 else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);
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601 printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }
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604 //if(qp>0) printf("qp=%d\n", qp);
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605 //if(qp>0) printf(" (*i)=%d\n", (*i)/3);
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607 modexWaitBorder(); /* waits one retrace -- less flicker */
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608 if((*i)>=PAL_SIZE/2 && w==0)
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610 for(; (*i)<PAL_SIZE; (*i)++)
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612 //____ 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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613 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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618 else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))
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620 //printf("qp=%d\n", qp);
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621 //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);
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622 printf(" %d's color=%d\n", (*i), (a[qp]-(bmp->offset*3)+qp));
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623 //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!
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624 if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }
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628 if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);
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629 else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);
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630 printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }
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633 //printf(" (*i)=%d\n", (*i)/3);
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636 printf("\nqqqqqqqq\n\n");
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642 long bufSize = (bmp->width * bmp->height);
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644 //printf("1(*i)=%02d\n", (*i)/3);
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645 //printf("1z=%02d\n", z/3);
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646 chkcolor(bmp, &q, &a, &aa, &z, i);
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647 //printf("2(*i)=%02d\n", (*i)/3);
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648 //printf("2z=%02d\n", z/3);
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653 // printf("a[%02d]=(%d)\n", aq, a[aq]);
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654 if(a[aq]==-1) aq++;
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655 else { aqoffset++; break; }
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657 //update the image data here!
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658 for(lq=0; lq<bufSize; lq++)
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662 use a[qp] instead of bmp->offset for this spot!
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667 Facking bloody point the values of the changed palette to correct values.... major confusion! wwww
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670 //(offset/bmp->offset)*bmp->offset
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673 //printf("%02d ",bmp->data[lq]+bmp->offset);
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674 //if(lq > 0 && lq%bmp->width==0) printf("\n");
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675 //printf("%02d_", bmp->data[lq]+bmp->offset);
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676 /*if(bmp->data[lq]+bmp->offset==aq)
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678 //printf("%02d", bmp->data[lq]);
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679 //printf("\n%02d\n", bmp->offset);
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680 printf("aq=%02d ", aq);
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681 printf("a[aq]=%02d ", a[aq]);
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682 printf("a[aq]+aqpp=%02d ", a[aq]+aqpp);
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683 printf("a[aq]-aqpp=%02d\n", a[aq]-aqpp);
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684 //bmp->data[lq]=((bmp->data[lq]+bmp->offset)-a[aq]);
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685 //++++ bmp->data[lq]=a[aq]-aqpp;
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686 // printf("_%d ", bmp->data[lq]);
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687 //if(lq > 0 && lq%bmp->width==0) printf("\n");
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689 else if(bmp->data[lq]+bmp->offset < ((*i)/3)-aqpp)
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691 if(bmp->data[lq]+bmp->offset >= aq)
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693 bmp->data[lq]=(bmp->data[lq]+bmp->offset)-aqpp;//-((z-(*i))/3);
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694 //printf("_%d ", bmp->data[lq]+bmp->offset)-aqpp-((z-(*i))/3);
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696 else bmp->data[lq]+=(bmp->offset-aqpp);
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699 //printf("%02d`", bmp->data[lq]);
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700 //if(lq > 0 && lq%bmp->width==0) printf("\n");
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703 //printf(" aq=%02d\n", aq);
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704 //printf(" aa=%02d\n", aa);
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706 //update the palette~
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707 modexPalUpdate(bmp, &pp, aq, aqoffset);
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710 if(aq<aa){ pp=q; aq++; goto aqpee; }
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715 modexPalUpdate1(byte *p)
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719 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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720 for(i=0; i<PAL_SIZE/2; i++)
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722 outp(PAL_DATA_REG, p[i]);
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724 modexWaitBorder(); /* waits one retrace -- less flicker */
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725 for(; i<PAL_SIZE; i++)
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727 outp(PAL_DATA_REG, p[(i)]);
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732 modexPalUpdate0(byte *p)
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736 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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737 for(i=0; i<PAL_SIZE/2; i++)
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739 outp(PAL_DATA_REG, rand());
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741 modexWaitBorder(); /* waits one retrace -- less flicker */
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742 for(; i<PAL_SIZE; i++)
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744 outp(PAL_DATA_REG, rand());
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749 modexPalOverscan(byte *p, word col)
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752 outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
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753 outp(PAL_DATA_REG, col);
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757 //i want to make another vesion that checks the palette when the palette is being appened~
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758 void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/)
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762 pal = modexNewPal();
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764 //printf("q: %02d\n", (*q));
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765 printf("chkcolor start~\n");
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766 printf("1 (*z): %d\n", (*z)/3);
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767 printf("1 (*i): %d\n", (*i)/3);
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768 // printf("1 offset of color in palette (*q): %d\n", (*q)/3);
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769 printf("wwwwwwwwwwwwwwww\n");
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770 //check palette for dups
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771 for(; (*z)<PAL_SIZE; (*z)+=3)
\r
773 //printf("\n z: %d\n", (*z));
\r
774 //printf(" q: %d\n", (*q));
\r
775 //printf(" z+q: %d\n\n", ((*z)+(*q)));
\r
778 //---- if(pal[(*z)]==pal[(*z)+3] && pal[(*z)+1]==pal[(*z)+4] && pal[(*z)+2]==pal[(*z)+5])
\r
781 // printf("\n%d [%02d][%02d][%02d]\n", (*z), pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
\r
782 // printf("%d [%02d][%02d][%02d]\n\n", (*z)+3, pal[(*z)+3], pal[(*z)+4], pal[(*z)+5]);
\r
786 else for(zz=0; zz<(*q); zz+=3)
\r
788 //printf("zz: %02d\n", zz/3);
\r
791 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
795 // printf("\nzq1:%d[%02d][%02d][%02d]\n", (zz+q), pal[(zz+q)], pal[(zz+q)+1], pal[(zz+q)+2]);
\r
796 // printf("zq2:%d[%02d][%02d][%02d]\n\n", (zz+q)+3, pal[(zz+q)+3], pal[(zz+q)+4], pal[(zz+q)+5]);
\r
799 else if(pal[zz]==pal[((*z)+(*q))] && pal[zz+1]==pal[((*z)+(*q))+1] && pal[zz+2]==pal[((*z)+(*q))+2])
\r
801 // printf("\n\nwwwwwwwwwwwwwwww\n");
\r
802 // 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
803 // 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
804 // //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
805 // printf(" z : %d [%02d][%02d][%02d] offset value~\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
\r
810 planned features that i plan to implement~
\r
811 image that has values on the pallete list!
\r
813 no... wait.... no wwww
\r
815 //for(zzii=0; zzii<3; zzii++)
\r
817 //printf("z+q: %d\n\n", ((*z)+(*q)));
\r
818 a[(((*z)+(*q)))]=zz;
\r
820 (*aa)=(((*z)+(*q)));
\r
821 printf("!! a[%02d]: %d\n", (((*z)+(*q))/3), zz/3);
\r
822 // printf("\n aa: %d\n\n", (*aa));
\r
823 // printf(" a[%02d]=(%02d) offset array i think the palette should be updated again~\n", ((*z)+(*q))/3, a[((*z)+(*q))/3]);
\r
824 // printf("wwwwwwwwwwwwwwww\n\n");
\r
828 printf("================\n");
\r
829 printf("zq: %d [%02d][%02d][%02d]\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);
\r
830 printf("zz: %d [%02d][%02d][%02d]\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);
\r
831 printf("z : %d [%02d][%02d][%02d]\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
\r
832 printf("================\n");
\r
834 //printf("[%d]", (zz+q));
\r
838 printf("wwwwwwwwwwwwwwww\n");
\r
839 printf("2 (*z): %d\n", (*z)/3);
\r
840 printf("2 (*i): %d\n", (*i)/3);
\r
841 // printf("2 offset of color in palette (*q): %d\n", (*q)/3);
\r
842 printf("chkcolor end~\n");
\r
846 void modexputPixel(page_t *page, int x, int y, byte color)
\r
848 word pageOff = (word) page->data;
\r
849 /* Each address accesses four neighboring pixels, so set
\r
850 Write Plane Enable according to which pixel we want
\r
851 to modify. The plane is determined by the two least
\r
852 significant bits of the x-coordinate: */
\r
853 modexSelectPlane(PLANE(x));
\r
854 //outp(SC_INDEX, 0x02);
\r
855 //outp(SC_DATA, 0x01 << (x & 3));
\r
857 /* The offset of the pixel into the video segment is
\r
858 offset = (width * y + x) / 4, and write the given
\r
859 color to the plane we selected above. Heed the active
\r
860 page start selection. */
\r
861 VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color;
\r
865 byte modexgetPixel(page_t *page, int x, int y)
\r
867 word pageOff = (word) page->data;
\r
868 /* Select the plane from which we must read the pixel color: */
\r
869 outpw(GC_INDEX, 0x04);
\r
870 outpw(GC_INDEX+1, x & 3);
\r
872 return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff];
\r
876 void modexhlin(page_t *page, word xl, word xh, word y, word color)
\r
881 for(x=0;x<xh*4;x+=4)
\r
883 if(x+4>=page[0].sw-1){ x=0; yy+=4; }
\r
884 modexClearRegion(page, x+xl, y+yy, 4, 4, color);
\r
886 //modexputPixel(page, x+xl, y, color);
\r
889 void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str, boolean q)
\r
892 word addr = (word) romFontsData.l;
\r
897 w=romFonts[t].charSize;
\r
898 romFontsData.chw=0;
\r
900 for(; *str != '\0'; str++)
\r
903 if((c=='\n'/* || c=="\
\r
904 "*/) || romFontsData.chw
\r
907 romFontsData.chw=0;
\r
908 y+=romFonts[t].charSize;
\r
911 //load the letter 'A'
\r
917 MOV AL, c ; the letter
\r
920 ADD SI, AX ;the address of charcter
\r
928 //TODO: OPTIMIZE THIS!!!!
\r
929 modexDrawCharPBuf(page, x, y, t, col, bgcol, q);
\r
935 void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)
\r
937 word i, s, o, w, j, xp;
\r
939 word addr = (word) l;
\r
966 for(; *str != '\0'; str++)
\r
969 if((c=='\n'/* || c=="\
\r
970 "*/)/* || chw>=page->width*/)
\r
976 //load the letter 'A'
\r
982 MOV AL, c ; the letter
\r
985 ADD SI, AX ;the address of charcter
\r
1000 //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);
\r
1001 modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol);
\r
1010 /* palette dump on display! */
\r
1011 void pdump(page_t *pee)
\r
1013 int mult=(QUADWH);
\r
1014 int palq=(mult)*TILEWH;
\r
1017 for(paly=0; paly<palq; paly+=mult){
\r
1018 for(palx=0; palx<palq; palx+=mult){
\r
1019 modexClearRegion(pee, palx+TILEWH, paly+TILEWH, mult, mult, palcol);
\r
1025 /////////////////////////////////////////////////////////////////////////////
\r
1027 // cls() - This clears the screen to the specified color, on the VGA or on //
\r
1028 // the Virtual screen. //
\r
1030 /////////////////////////////////////////////////////////////////////////////
\r
1031 void cls(page_t *page, byte color, byte *Where)
\r
1033 //modexClearRegion(page, 0, 0, page->width, page->height, color);
\r
1034 /* set map mask to all 4 planes */
\r
1035 outpw(SC_INDEX, 0xff02);
\r
1036 //_fmemset(VGA, color, 16000);
\r
1037 _fmemset(Where, color, page->width*(page->height)/4);
\r
1041 modexWaitBorder() {
\r
1042 while(inp(INPUT_STATUS_1) & 8) {
\r
1046 while(!(inp(INPUT_STATUS_1) & 8)) {
\r