+++ /dev/null
-/* Project 16 Source Code~\r
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669\r
- *\r
- * This file is part of Project 16.\r
- *\r
- * Project 16 is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either verson 3 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * Project 16 is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program. If not, see <http://www.gnu.org/licenses/>, or\r
- * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
- * Fifth Floor, Boston, MA 02110-1301 USA.\r
- *\r
- */\r
-\r
-#include <conio.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include "src/lib/modex16.h"\r
-\r
-byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */\r
-\r
-static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);\r
-static byte tmppal[PAL_SIZE];\r
-\r
-/////////////////////////////////////////////////////////////////////////////\r
-// //\r
-// setvideo() - This function Manages the video modes //\r
-// //\r
-/////////////////////////////////////////////////////////////////////////////\r
-void VGAmodeX(sword vq, boolean cmem, global_game_variables_t *gv)\r
-{\r
- union REGS in, out;\r
-\r
- switch (vq)\r
- {\r
- case 0: // deinit the video\r
- // change to the video mode we were in before we switched to mode 13h\r
- modexLeave();\r
- in.h.ah = 0x00;\r
- in.h.al = gv->video.old_mode;\r
- int86(0x10, &in, &out);\r
- break;\r
- default: // init the video\r
- // get old video mode\r
- //in.h.ah = 0xf;\r
- //int86(0x10, &in, &out);\r
- gv->video.old_mode = vgaGetMode();//out.h.al;\r
- // enter mode\r
- modexEnter(vq, cmem, gv);\r
- break;\r
- }\r
-}\r
-\r
-static void\r
-vgaSetMode(byte mode)\r
-{\r
- union REGS regs;\r
-\r
- regs.h.ah = SET_MODE;\r
- regs.h.al = mode;\r
- int86(VIDEO_INT, ®s, ®s);\r
- //int10_setmode(mode);\r
-}\r
-\r
-//---------------------------------------------------\r
-//\r
-// Use the bios to get the current video mode\r
-//\r
-\r
-byte/*FIXME: why long? "long" is 32-bit datatype, VGA modes are 8-bit numbers. */\r
-vgaGetMode()\r
-{\r
- return int10_getmode();\r
-}\r
-\r
-/* -========================= Entry Points ==========================- */\r
-void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv)\r
-{\r
- word i;\r
- struct vga_mode_params cm;\r
- int CRTParmCount;\r
-\r
- vgaSetMode(VGA_256_COLOR_MODE);\r
- vga_enable_256color_modex();\r
-\r
- update_state_from_vga();\r
- vga_read_crtc_mode(&cm);\r
-\r
- /* reprogram the CRT controller */\r
- //outp(CRTC_INDEX, 0x11); /* VSync End reg contains register write prot */\r
- //outp(CRTC_DATA, 0x7f); /* get current write protect on varios regs */\r
-\r
- switch(vq)\r
- {\r
- case 1:\r
- //CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
- /*for(i=0; i<CRTParmCount; i++) {\r
- outpw(CRTC_INDEX, ModeX_320x240regs[i]);\r
- }*/\r
- /* width and height */\r
- gv->video.page[0].sw = vga_state.vga_width = 320; // VGA lib currently does not update this\r
- gv->video.page[0].sh = vga_state.vga_height = 240; // VGA lib currently does not update this\r
- /* virtual width and height. match screen, at first */\r
- gv->video.page[0].height = gv->video.page[0].sh;\r
- gv->video.page[0].width = gv->video.page[0].sw;\r
-\r
- // mode X BYTE mode\r
- cm.word_mode = 0;\r
- cm.dword_mode = 0;\r
- // 320x240 mode 60Hz\r
- cm.horizontal_total=0x5f + 5; /* CRTC[0] -5 */\r
- cm.horizontal_display_end=0x4f + 1; /* CRTC[1] -1 */\r
- cm.horizontal_blank_start=0x50 + 1; /* CRTC[2] */\r
-// cm.horizontal_blank_end=0x82 + 1; /* CRTC[3] bit 0-4 & CRTC[5] bit 7 *///skewing ^^;\r
- cm.horizontal_start_retrace=0x54;/* CRTC[4] */\r
- cm.horizontal_end_retrace=0x80; /* CRTC[5] bit 0-4 */\r
- //cm.horizontal_start_delay_after_total=0x3e; /* CRTC[3] bit 5-6 */\r
- //cm.horizontal_start_delay_after_retrace=0x41; /* CRTC[5] bit 5-6 */\r
- cm.vertical_total = 0x20D + 2;\r
- cm.vertical_start_retrace = 0x1EA;\r
- cm.vertical_end_retrace = 0x1EC;\r
- cm.vertical_display_end = 480;\r
- cm.vertical_blank_start = 0x1E7 + 1;\r
- cm.vertical_blank_end = 0x206 + 1;\r
- cm.clock_select = 0; /* misc register = 0xE3 25MHz */\r
- cm.vsync_neg = 1;\r
- cm.hsync_neg = 1;\r
- cm.offset = (vga_state.vga_width / (4 * 2)); // 320 wide (40 x 4 pixel groups x 2)\r
- break;\r
- case 2: // TODO: 160x120 according to ModeX_160x120regs\r
- return;\r
- case 3: // TODO: 160x120 according to ModeX_320x200regs\r
- return;\r
- case 4: // TODO: 160x120 according to ModeX_192x144regs\r
- return;\r
- case 5: // TODO: 160x120 according to ModeX_256x192regs\r
- return;\r
- default:\r
- return;\r
- }\r
-\r
- vga_state.vga_stride = cm.offset * 2;\r
- vga_write_crtc_mode(&cm,0);\r
-\r
- /* clear video memory */\r
- switch (cmem)\r
- {\r
- case 1: {\r
- /* clear video memory */\r
- dword far*ptr=(dword far*)vga_state.vga_graphics_ram;//VGA; /* used for faster screen clearing */\r
- vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);\r
- for(i = 0;i < 0x4000; i++) ptr[i] = 0x0000; // 0x4000 x dword = 64KB\r
- }\r
- break;\r
- }\r
-\r
-// gv->video.page[0].tw = gv->video.page[0].sw/TILEWH;\r
-// gv->video.page[0].th = gv->video.page[0].sh/TILEWH;\r
-\r
- //TODO MAKE FLEXIBLE~\r
-// gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;\r
-// gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;\r
-}\r
-\r
-void\r
-modexLeave() {\r
- /* VGAmodeX restores original mode and palette */\r
- vgaSetMode(TEXT_MODE);\r
-}\r
-\r
-page_t\r
-modexDefaultPage(page_t *p)\r
-{\r
- page_t page;\r
-\r
- /* default page values */\r
- //page.data = VGA;\r
- //page.data = (byte far *)(vga_state.vga_graphics_ram);\r
- page.data = (vga_state.vga_graphics_ram);\r
- page.dx = 0;\r
- page.dy = 0;\r
- page.sw = p->sw;\r
- page.sh = p->sh;\r
- page.width = p->sw+TILEWHD;\r
- page.height = p->sh+TILEWHD;\r
- page.tw = page.sw/TILEWH;\r
- page.th = page.sh/TILEWH;\r
- page.tilesw=page.width/TILEWH;\r
- page.tilesh=page.height/TILEWH;\r
- page.tilemidposscreenx = page.tw/2;\r
- page.tilemidposscreeny = (page.th/2)+1;\r
- page.stridew=page.width/4;\r
- page.pagesize = (word)(page.stridew)*page.height;\r
- page.pi=page.width*4;\r
- page.id = 0;\r
-\r
- return page;\r
-}\r
-\r
-/* returns the next page in contiguous memory\r
- * the next page will be the same size as p, by default\r
- */\r
-page_t\r
-modexNextPage(page_t *p) {\r
- page_t result;\r
-\r
- result.data = p->data + (p->pagesize);\r
- result.dx = 0;\r
- result.dy = 0;\r
- result.sw = p->sw;\r
- result.sh = p->sh;\r
- result.width = p->width;\r
- result.height = p->height;\r
- result.tw = p->tw;\r
- result.th = p->th;\r
- result.tilesw = p->tilesw;\r
- result.tilesh = p->tilesh;\r
- result.stridew=p->stridew;\r
- result.pagesize = p->pagesize;\r
- result.pi=result.width*4;\r
- result.id = p->id+1;\r
-\r
- return result;\r
-}\r
-\r
-//next page with defined dimentions~\r
-page_t\r
-modexNextPageFlexibleSize(page_t *p, word x, word y)\r
-{\r
- page_t result;\r
-\r
- result.data = p->data + (p->pagesize); /* compute the offset */\r
- result.dx = 0;\r
- result.dy = 0;\r
- result.sw = x;\r
- result.sh = y;\r
- result.width = x;\r
- result.height = y;\r
- result.tw = result.sw/TILEWH;\r
- result.th = result.sh/TILEWH;\r
- result.tilesw=result.width/TILEWH;\r
- result.tilesh=result.height/TILEWH;\r
- result.id = p->id+1;\r
- result.stridew=p->sw/4;//result.width/4;\r
- result.pagesize = (word)(result.stridew)*result.height;\r
- switch(result.id)\r
- {\r
- case 2:\r
- result.pi=p->width*4;\r
- break;\r
- case 3:\r
- result.pi=p->pi;\r
- break;\r
- }\r
-\r
- return result;\r
-}\r
-\r
-void modexCalcVmemRemain(video_t *video)\r
-{\r
- byte i;\r
- //printf("\n\n 1st vmem_remain=%u\n", video->vmem_remain);\r
- for(i=0; i<video->num_of_pages; i++)\r
- {\r
- video->vmem_remain-=video->page[i].pagesize;\r
- //printf(" [%u], video->page[%u].pagesize=%u\n", i, i, video->page[i].pagesize);\r
- //printf(" [%u], vmem_remain=%u\n", i, video->vmem_remain);\r
- }\r
-}\r
-\r
-void modexHiganbanaPageSetup(video_t *video)\r
-{\r
- video->vmem_remain=65535U;\r
- video->num_of_pages=0;\r
- (video->page[0]) = modexDefaultPage(&(video->page[0])); video->num_of_pages++; //video->page[0].width += (TILEWHD); video->page[0].height += (TILEWHD);\r
- (video->page[1]) = modexNextPage(&(video->page[0])); video->num_of_pages++;\r
-//0000 (video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), (video->page[0]).width, TILEWH*4); video->num_of_pages++;\r
-//0000 (video->page[3]) = (video->page[2]); video->num_of_pages++;\r
- (video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), TILEWH*4, TILEWH*4); video->num_of_pages++;\r
-// (video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), video->page[0].width, 176); video->num_of_pages++;\r
- (video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), video->page[0].sw, 208); video->num_of_pages++;\r
-// (video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), video->page[0].width, 172); video->num_of_pages++;\r
-// (video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), 72, 128); video->num_of_pages++;\r
- modexCalcVmemRemain(video);\r
- video->p=0;\r
- video->r=1;\r
-}\r
-\r
-void\r
-modexShowPage(page_t *page) {\r
- word high_address;\r
- word low_address;\r
- word offset;\r
- byte crtcOffset;\r
-\r
- /* calculate offset */\r
- offset = (word) page->data;\r
- offset += page->dy * (page->width >> 2 );\r
- offset += page->dx >> 2;\r
-\r
- /* calculate crtcOffset according to virtual width */\r
- crtcOffset = page->width >> 3;\r
-\r
- high_address = HIGH_ADDRESS | (offset & 0xff00);\r
- low_address = LOW_ADDRESS | (offset << 8);\r
-\r
- /* wait for appropriate timing and then program CRTC */\r
- //while ((inp(INPUT_STATUS_1) & DISPLAY_ENABLE));\r
- outpw(CRTC_INDEX, high_address);\r
- outpw(CRTC_INDEX, low_address);\r
- outp(CRTC_INDEX, 0x13);\r
- outp(CRTC_DATA, crtcOffset);\r
-\r
- /* wait for one retrace */\r
- //while (!(inp(INPUT_STATUS_1) & VRETRACE));\r
-\r
- /* do PEL panning here */\r
- outp(AC_INDEX, 0x33);\r
- outp(AC_INDEX, (page->dx & 0x03) << 1);\r
-}\r
-\r
-void\r
-modexPanPage(page_t *page, int dx, int dy) {\r
- page->dx = dx;\r
- page->dy = dy;\r
-}\r
-\r
-void\r
-modexSelectPlane(byte plane) {\r
- outp(SC_INDEX, MAP_MASK); /* select plane */\r
- outp(SC_DATA, plane);\r
-}\r
-\r
-void\r
-modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) {\r
- word pageOff = (word) page->data;\r
- word xoff=x/4; /* xoffset that begins each row */\r
- word scanCount=w/4; /* number of iterations per row (excluding right clip)*/\r
- word poffset = pageOff + y*(page->stridew) + xoff; /* starting offset */\r
- word nextRow = page->stridew-scanCount-1; /* loc of next row */\r
- byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */\r
- byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
- byte left = lclip[x&0x03];\r
- byte right = rclip[(x+w)&0x03];\r
-\r
- /* handle the case which requires an extra group */\r
- if((x & 0x03) && !((x+w) & 0x03)) {\r
- right=0x0f;\r
- }\r
-\r
- //printf("modexClearRegion(x=%u, y=%u, w=%u, h=%u, left=%u, right=%u)\n", x, y, w, h, left, right);\r
-\r
- __asm {\r
- PUSHF\r
- PUSH ES\r
- PUSH AX\r
- PUSH BX\r
- PUSH CX\r
- PUSH DX\r
- PUSH SI\r
- PUSH DI\r
- MOV AX, SCREEN_SEG ; go to the VGA memory\r
- MOV ES, AX\r
- MOV DI, poffset ; go to the first pixel\r
- MOV DX, SC_INDEX ; point to the map mask\r
- MOV AL, MAP_MASK\r
- OUT DX, AL\r
- INC DX\r
- MOV AL, color ; get ready to write colors\r
- SCAN_START:\r
- MOV CX, scanCount ; count the line\r
- MOV BL, AL ; remember color\r
- MOV AL, left ; do the left clip\r
- OUT DX, AL ; set the left clip\r
- MOV AL, BL ; restore color\r
- STOSB ; write the color\r
- DEC CX\r
- JZ SCAN_DONE ; handle 1 group stuff\r
-\r
- ;-- write the main body of the scanline\r
- MOV BL, AL ; remember color\r
- MOV AL, 0x0f ; write to all pixels\r
- OUT DX, AL\r
- MOV AL, BL ; restore color\r
- REP STOSB ; write the color\r
- SCAN_DONE:\r
- MOV BL, AL ; remeber color\r
- MOV AL, right\r
- OUT DX, AL ; do the right clip\r
- MOV AL, BL ; restore color\r
- STOSB ; write pixel\r
- ADD DI, nextRow ; go to the next row\r
- DEC h\r
- JNZ SCAN_START\r
- POP DI\r
- POP SI\r
- POP DX\r
- POP CX\r
- POP BX\r
- POP AX\r
- POP ES\r
- POPF\r
- }\r
-}\r
-\r
-/* moved to src/lib/modex16/16render.c */\r
-\r
-/* copy a region of video memory from one page to another.\r
- * It assumes that the left edge of the tile is the same on both\r
- * regions and the memory areas do not overlap.\r
- */\r
-void\r
-modexCopyPageRegion(page_t *dest, page_t *src,\r
- word sx, word sy,\r
- word dx, word dy,\r
- word width, word height)\r
-{\r
- word doffset = (word)dest->data + dy*(dest->stridew) + dx/4;\r
- word soffset = (word)src->data + sy*(src->stridew) + sx/4;\r
- word scans = vga_state.vga_stride; //++++0000 the quick and dirty fix of the major issue with p16 video display wwww\r
- word nextSrcRow = src->stridew - scans - 1;\r
- word nextDestRow = dest->stridew - scans - 1;\r
- byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */\r
- byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
- byte left = lclip[sx&0x03];\r
- byte right = rclip[(sx+width)&0x03];\r
-\r
- /* handle the case which requires an extra group */\r
- if((sx & 0x03) && !((sx+width) & 0x03)) {\r
- right=0x0f;\r
- }\r
-\r
-// printf("modexCopyPageRegion(src->stridew=%u, dest->stridew=%u, sx=%u, sy=%u, dx=%u, dy=%u, width=%u, height=%u, left=%u, right=%u)\n", src->stridew, dest->stridew, sx, sy, dx, dy, width, height, left, right);\r
-\r
- __asm {\r
- PUSHF\r
- PUSH ES\r
- PUSH AX\r
- PUSH BX\r
- PUSH CX\r
- PUSH DX\r
- PUSH SI\r
- PUSH DI\r
-\r
- MOV AX, SCREEN_SEG ; work in the vga space\r
- MOV ES, AX ;\r
- MOV DI, doffset ;\r
- MOV SI, soffset ;\r
-\r
- MOV DX, GC_INDEX ; turn off cpu bits\r
- MOV AX, 0008h ;\r
- OUT DX, AX\r
-\r
- MOV AX, SC_INDEX ; point to the mask register\r
- MOV DX, AX ;\r
- MOV AL, MAP_MASK ;\r
- OUT DX, AL ;\r
- INC DX ;\r
-\r
- ROW_START:\r
- PUSH DS\r
- MOV AX, ES\r
- MOV DS, AX\r
- MOV CX, scans ; the number of latches\r
-\r
- MOV AL, left ; do the left column\r
- OUT DX, AL ;\r
- MOVSB ;\r
- DEC CX ;\r
-\r
- MOV AL, 0fh ; do the inner columns\r
- OUT DX, AL\r
- REP MOVSB ; copy the pixels\r
-\r
- MOV AL, right ; do the right column\r
- OUT DX, AL\r
- MOVSB\r
- POP DS\r
-\r
- MOV AX, SI ; go the start of the next row\r
- ADD AX, nextSrcRow ;\r
- MOV SI, AX ;\r
- MOV AX, DI ;\r
- ADD AX, nextDestRow ;\r
- MOV DI, AX ;\r
-\r
- DEC height ; do the rest of the actions\r
- JNZ ROW_START ;\r
-\r
- MOV DX, GC_INDEX+1 ; go back to CPU data\r
- MOV AL, 0ffh ; none from latches\r
- OUT DX, AL ;\r
-\r
- POP DI\r
- POP SI\r
- POP DX\r
- POP CX\r
- POP BX\r
- POP AX\r
- POP ES\r
- POPF\r
- }\r
-}\r
-\r
-\r
-/* fade and flash */\r
-void\r
-modexFadeOn(word fade, byte *palette) {\r
- fadePalette(-fade, 64, 64/fade+1, palette);\r
-}\r
-\r
-\r
-void\r
-modexFadeOff(word fade, byte *palette) {\r
- fadePalette(fade, 0, 64/fade+1, palette);\r
-}\r
-\r
-\r
-void\r
-modexFlashOn(word fade, byte *palette) {\r
- fadePalette(fade, -64, 64/fade+1, palette);\r
-}\r
-\r
-\r
-void\r
-modexFlashOff(word fade, byte *palette) {\r
- fadePalette(-fade, 0, 64/fade+1, palette);\r
-}\r
-\r
-\r
-static void\r
-fadePalette(sbyte fade, sbyte start, word iter, byte *palette) {\r
- word i;\r
- byte dim = start;\r
-\r
- /* handle the case where we just update */\r
- if(iter == 0) {\r
- modexPalUpdate1(palette);\r
- return;\r
- }\r
-\r
- while(iter > 0) { /* FadeLoop */\r
- for(i=0; i<PAL_SIZE; i++) { /* loadpal_loop */\r
- tmppal[i] = palette[i] - dim;\r
- if(tmppal[i] > 127) {\r
- tmppal[i] = 0;\r
- } else if(tmppal[i] > 63) {\r
- tmppal[i] = 63;\r
- }\r
- }\r
- modexPalUpdate1(tmppal);\r
- iter--;\r
- dim += fade;\r
- }\r
-}\r
-\r
-\r
-/* save and load */\r
-void\r
-modexPalSave(byte *palette) {\r
- int i;\r
-\r
- outp(PAL_READ_REG, 0); /* start at palette entry 0 */\r
- for(i=0; i<PAL_SIZE; i++) {\r
- palette[i] = inp(PAL_DATA_REG); /* read the palette data */\r
- }\r
-}\r
-\r
-\r
-byte *\r
-modexNewPal() {\r
- byte *ptr;\r
- ptr = malloc(PAL_SIZE);\r
-\r
- /* handle errors */\r
- if(!ptr) {\r
- printf("Could not allocate palette.\n");\r
- exit(-1);\r
- }\r
-\r
- return ptr;\r
-}\r
-\r
-\r
-void\r
-modexLoadPalFile(byte *filename, byte **palette) {\r
- FILE *file;\r
- byte *ptr;\r
-\r
- /* free the palette if it exists */\r
- if(*palette) {\r
- free(*palette);\r
- }\r
-\r
- /* allocate the new palette */\r
- *palette = modexNewPal();\r
-\r
- /* open the file */\r
- file = fopen(filename, "rb");\r
- if(!file) {\r
- printf("Could not open palette file: %s\n", filename);\r
- exit(-2);\r
- }\r
-\r
- /* read the file */\r
- ptr = *palette;\r
- while(!feof(file)) {\r
- *ptr++ = fgetc(file);\r
- }\r
-\r
- fclose(file);\r
-}\r
-\r
-\r
-void\r
-modexSavePalFile(char *filename, byte *pal) {\r
- unsigned int i;\r
- FILE *file;\r
-\r
- /* open the file for writing */\r
- file = fopen(filename, "wb");\r
- if(!file) {\r
- printf("Could not open %s for writing\n", filename);\r
- exit(-2);\r
- }\r
-\r
- /* write the data to the file */\r
- fwrite(pal, 1, PAL_SIZE, file);\r
- fclose(file);\r
-}\r
-\r
-\r
-/* blanking */\r
-void\r
-modexPalBlack() {\r
- fadePalette(-1, 64, 1, tmppal);\r
-}\r
-\r
-\r
-void\r
-modexPalWhite() {\r
- fadePalette(-1, -64, 1, tmppal);\r
-}\r
-\r
-\r
-/* utility */\r
-void\r
-modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset)\r
-{\r
- byte *p = bmp->palette;\r
- word w=0;\r
- word q=0;\r
- word qq=0;\r
- static word a[PAL_SIZE]; //palette array of change values!\r
- word z=0, aq=0, aa=0, pp=0;\r
-\r
- //modexWaitBorder();\r
- vga_wait_for_vsync();\r
- if((*i)==0)\r
- {\r
- memset(a, -1, sizeof(a));\r
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
- }\r
- else if(qp==0)\r
- {\r
- q=(*i);\r
- }\r
- else\r
- {\r
- q=(*i);\r
- qq=(*i)/3;\r
-// printf("q: %02d\n", (q));\r
-// printf("qq: %02d\n", (qq));\r
- //printf(" (*i)-q=%02d\n", (*i)-q);\r
- outp(PAL_WRITE_REG, qq); /* start at the beginning of palette */\r
- }\r
- if((*i)<PAL_SIZE/2 && w==0)\r
- {\r
- for(; (*i)<PAL_SIZE/2; (*i)++)\r
- {\r
- //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]))\r
-//____ 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\r
- 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]))\r
- {\r
- w++;\r
- break;\r
- }\r
- else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))\r
- {\r
- //printf("qp=%d\n", qp);\r
- //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);\r
- printf(" %d's color=%d\n", (*i), (a[qp])-(bmp->offset*3)+qp);\r
- //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!\r
- if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }\r
- }\r
- else\r
- {\r
- if(bmp->offset==0 && (*i)<3 && q==0) outp(PAL_DATA_REG, 0);\r
- else\r
- if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);\r
- else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);\r
- printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }\r
- }\r
- }\r
- //if(qp>0) printf("qp=%d\n", qp);\r
- //if(qp>0) printf(" (*i)=%d\n", (*i)/3);\r
- }\r
- //modexWaitBorder(); /* waits one retrace -- less flicker */\r
- vga_wait_for_vsync();\r
- if((*i)>=PAL_SIZE/2 && w==0)\r
- {\r
- for(; (*i)<PAL_SIZE; (*i)++)\r
- {\r
-//____ 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\r
- 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]))\r
- {\r
- w++;\r
- break;\r
- }\r
- else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))\r
- {\r
- //printf("qp=%d\n", qp);\r
- //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);\r
- printf(" %d's color=%d\n", (*i), (a[qp]-(bmp->offset*3)+qp));\r
- //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!\r
- if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }\r
- }\r
- else\r
- {\r
- if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);\r
- else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);\r
- printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }\r
- }\r
- }\r
- //printf(" (*i)=%d\n", (*i)/3);\r
- }\r
-\r
-printf("\nqqqqqqqq\n\n");\r
-\r
- //palette checker~\r
- if(q>0 && qp==0)\r
- {\r
- long lq;\r
- long bufSize = (bmp->width * bmp->height);\r
- pp = q;\r
- //printf("1(*i)=%02d\n", (*i)/3);\r
- //printf("1z=%02d\n", z/3);\r
- modexchkcolor(bmp, &q, &a, &aa, &z, i);\r
- //printf("2(*i)=%02d\n", (*i)/3);\r
- //printf("2z=%02d\n", z/3);\r
- aq=0;\r
-aqpee:\r
- while(aq<=aa)\r
- {\r
-// printf("a[%02d]=(%d)\n", aq, a[aq]);\r
- if(a[aq]==-1) aq++;\r
- else { aqoffset++; break; }\r
- }\r
-//update the image data here!\r
- for(lq=0; lq<bufSize; lq++)\r
- {\r
- /*\r
- note to self\r
- use a[qp] instead of bmp->offset for this spot!\r
- NO! wwww\r
- */\r
-\r
- /*\r
- Facking bloody point the values of the changed palette to correct values.... major confusion! wwww\r
- */\r
-\r
- //(offset/bmp->offset)*bmp->offset\r
-\r
-\r
- //printf("%02d ",bmp->data[lq]+bmp->offset);\r
- //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
- //printf("%02d_", bmp->data[lq]+bmp->offset);\r
- /*if(bmp->data[lq]+bmp->offset==aq)\r
- {\r
- //printf("%02d", bmp->data[lq]);\r
- //printf("\n%02d\n", bmp->offset);\r
- printf("aq=%02d ", aq);\r
- printf("a[aq]=%02d ", a[aq]);\r
- printf("a[aq]+aqpp=%02d ", a[aq]+aqpp);\r
- printf("a[aq]-aqpp=%02d\n", a[aq]-aqpp);\r
- //bmp->data[lq]=((bmp->data[lq]+bmp->offset)-a[aq]);\r
-//++++ bmp->data[lq]=a[aq]-aqpp;\r
-// printf("_%d ", bmp->data[lq]);\r
- //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
- }\r
- else if(bmp->data[lq]+bmp->offset < ((*i)/3)-aqpp)\r
- {\r
- if(bmp->data[lq]+bmp->offset >= aq)\r
- {\r
- bmp->data[lq]=(bmp->data[lq]+bmp->offset)-aqpp;//-((z-(*i))/3);\r
- //printf("_%d ", bmp->data[lq]+bmp->offset)-aqpp-((z-(*i))/3);\r
- }\r
- else bmp->data[lq]+=(bmp->offset-aqpp);\r
- }*/\r
-\r
- //printf("%02d`", bmp->data[lq]);\r
- //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
- }\r
-\r
-//printf(" aq=%02d\n", aq);\r
-//printf(" aa=%02d\n", aa);\r
-\r
- //update the palette~\r
- modexPalUpdate(bmp, &pp, aq, aqoffset);\r
- (*i)=pp;\r
-\r
- if(aq<aa){ pp=q; aq++; goto aqpee; }\r
- }\r
-}\r
-\r
-void\r
-modexPalUpdate1(byte *p)\r
-{\r
- int i;\r
- //modexWaitBorder();\r
- vga_wait_for_vsync();\r
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
- for(i=0; i<PAL_SIZE/2; i++)\r
- {\r
- outp(PAL_DATA_REG, p[i]);\r
- }\r
- //modexWaitBorder(); /* waits one retrace -- less flicker */\r
- vga_wait_for_vsync();\r
- for(; i<PAL_SIZE; i++)\r
- {\r
- outp(PAL_DATA_REG, p[(i)]);\r
- }\r
-}\r
-\r
-void\r
-modexPalUpdate0(byte *p)\r
-{\r
- int i;\r
- //modexWaitBorder();\r
- vga_wait_for_vsync();\r
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
- for(i=0; i<PAL_SIZE/2; i++)\r
- {\r
- outp(PAL_DATA_REG, rand());\r
- }\r
- //modexWaitBorder(); /* waits one retrace -- less flicker */\r
- vga_wait_for_vsync();\r
- for(; i<PAL_SIZE; i++)\r
- {\r
- outp(PAL_DATA_REG, rand());\r
- }\r
-}\r
-\r
-void\r
-modexPalOverscan(word col)\r
-{\r
- //modexWaitBorder();\r
- vga_wait_for_vsync();\r
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
- outp(PAL_DATA_REG, col);\r
-}\r
-\r
-//color checker~\r
-//i want to make another vesion that checks the palette when the palette is being appened~\r
-void modexchkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/)\r
-{\r
- byte *pal;\r
- word zz=0;\r
- pal = modexNewPal();\r
- modexPalSave(pal);\r
- //printf("q: %02d\n", (*q));\r
- printf("chkcolor start~\n");\r
- printf("1 (*z): %d\n", (*z)/3);\r
- printf("1 (*i): %d\n", (*i)/3);\r
-// printf("1 offset of color in palette (*q): %d\n", (*q)/3);\r
- printf("wwwwwwwwwwwwwwww\n");\r
- //check palette for dups\r
- for(; (*z)<PAL_SIZE; (*z)+=3)\r
- {\r
- //printf("\n z: %d\n", (*z));\r
- //printf(" q: %d\n", (*q));\r
- //printf(" z+q: %d\n\n", ((*z)+(*q)));\r
- //if((*z)%3==0)\r
- //{\r
-//---- if(pal[(*z)]==pal[(*z)+3] && pal[(*z)+1]==pal[(*z)+4] && pal[(*z)+2]==pal[(*z)+5])\r
- if((*z)==(*i))\r
- {\r
-// printf("\n%d [%02d][%02d][%02d]\n", (*z), pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
-// printf("%d [%02d][%02d][%02d]\n\n", (*z)+3, pal[(*z)+3], pal[(*z)+4], pal[(*z)+5]);\r
-//0000 (*z)-=3;\r
- break;\r
- }\r
- else for(zz=0; zz<(*q); zz+=3)\r
- {\r
- //printf("zz: %02d\n", zz/3);\r
- if(zz%3==0)\r
- {\r
- 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
- {\r
-// (*z)-=3;\r
-// (*i)-=3;\r
-// printf("\nzq1:%d[%02d][%02d][%02d]\n", (zz+q), pal[(zz+q)], pal[(zz+q)+1], pal[(zz+q)+2]);\r
-// printf("zq2:%d[%02d][%02d][%02d]\n\n", (zz+q)+3, pal[(zz+q)+3], pal[(zz+q)+4], pal[(zz+q)+5]);\r
- break;\r
- }\r
- else if(pal[zz]==pal[((*z)+(*q))] && pal[zz+1]==pal[((*z)+(*q))+1] && pal[zz+2]==pal[((*z)+(*q))+2])\r
- {\r
-// printf("\n\nwwwwwwwwwwwwwwww\n");\r
-// 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
-// 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
-// //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
-// printf(" z : %d [%02d][%02d][%02d] offset value~\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
-//++++ (*i)--;\r
-// (*z)--;\r
- //expand dong here\r
-/*\r
-planned features that i plan to implement~\r
-image that has values on the pallete list!\r
-wwww\r
-no... wait.... no wwww\r
-*/\r
- //for(zzii=0; zzii<3; zzii++)\r
- //{\r
- //printf("z+q: %d\n\n", ((*z)+(*q)));\r
- a[(((*z)+(*q)))]=zz;\r
- //}\r
- (*aa)=(((*z)+(*q)));\r
- printf("!! a[%02d]: %d\n", (((*z)+(*q))/3), zz/3);\r
-// printf("\n aa: %d\n\n", (*aa));\r
-// printf(" a[%02d]=(%02d) offset array i think the palette should be updated again~\n", ((*z)+(*q))/3, a[((*z)+(*q))/3]);\r
-// printf("wwwwwwwwwwwwwwww\n\n");\r
- }\r
- /*else\r
- {\r
- printf("================\n");\r
- printf("zq: %d [%02d][%02d][%02d]\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);\r
- printf("zz: %d [%02d][%02d][%02d]\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);\r
- printf("z : %d [%02d][%02d][%02d]\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
- printf("================\n");\r
- }*/\r
- //printf("[%d]", (zz+q));\r
- }\r
- }\r
- }\r
- printf("wwwwwwwwwwwwwwww\n");\r
- printf("2 (*z): %d\n", (*z)/3);\r
- printf("2 (*i): %d\n", (*i)/3);\r
-// printf("2 offset of color in palette (*q): %d\n", (*q)/3);\r
- printf("chkcolor end~\n");\r
- free(pal);\r
-}\r
-\r
-void modexputPixel(page_t *page, int x, int y, byte color)\r
-{\r
- word pageOff = (word) page->data;\r
- /* Each address accesses four neighboring pixels, so set\r
- Write Plane Enable according to which pixel we want\r
- to modify. The plane is determined by the two least\r
- significant bits of the x-coordinate: */\r
- modexSelectPlane(PLANE(x));\r
- //outp(SC_INDEX, 0x02);\r
- //outp(SC_DATA, 0x01 << (x & 3));\r
-\r
- /* The offset of the pixel into the video segment is\r
- offset = (width * y + x) / 4, and write the given\r
- color to the plane we selected above. Heed the active\r
- page start selection. */\r
- VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color;\r
-\r
-}\r
-\r
-byte modexgetPixel(page_t *page, int x, int y)\r
-{\r
- word pageOff = (word) page->data;\r
- /* Select the plane from which we must read the pixel color: */\r
- outpw(GC_INDEX, 0x04);\r
- outpw(GC_INDEX+1, x & 3);\r
-\r
- return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff];\r
-\r
-}\r
-\r
-void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
-{\r
- word s, o, w;\r
- word x_draw = x;\r
- word addr = (word) romFontsData.l;\r
- word addrq = (page->width/4) * y + (x / 4) + ((word)page->data);\r
- word addrr = addrq;\r
- byte c;\r
-\r
- s=romFonts[t].seg;\r
- o=romFonts[t].off;\r
- w=romFonts[t].charSize;\r
- romFontsData.chw=0;\r
-\r
- for(; *str != '\0'; str++)\r
- {\r
- c = (*str);\r
- if(c=='\n')\r
- {\r
- x = x_draw;\r
- romFontsData.chw = 0;\r
- addrq += (page->width / 4) * 8;\r
- addrr = addrq;\r
- y += 8;\r
- continue;\r
- }\r
-\r
- // load the character into romFontsData.l\r
- // no need for inline assembly!\r
- // NTS: It might even be faster to just let the modexDrawChar point directly at ROM font than to copy per char! --J.C.\r
- _fmemcpy(romFontsData.l,MK_FP(s,o+(w*c))/*ROM font location*/,w/*char size*/);\r
- modexDrawChar(page, x_draw/*for mode X planar use*/, t, col, bgcol, addrr);\r
- x_draw += 8; /* track X for edge of screen */\r
- addrr += 2; /* move 8 pixels over (2 x 4 planar pixels per byte) */\r
- }\r
-}\r
-\r
-void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
-{\r
- word i, s, o, w, j, xp;\r
- byte l[1024];\r
- word addr = (word) l;\r
- word chw=0;\r
- byte c;\r
-\r
- switch(t)\r
- {\r
- case 0:\r
- w=14;\r
- break;\r
- case 1:\r
- w=8;\r
- break;\r
- case 2:\r
- w=8;\r
- break;\r
- case 3:\r
- w=16;\r
- break;\r
- default:\r
- t=3;\r
- w=16;\r
- break;\r
- }\r
-\r
- s=romFonts[t].seg;\r
- o=romFonts[t].off;\r
-\r
- for(; *str != '\0'; str++)\r
- {\r
- c = (*str);\r
- if((c=='\n'/* || c=="\\r
-"*/)/* || chw>=page->width*/)\r
- {\r
- chw=0;\r
- y+=w;\r
- continue;\r
- }\r
- //load the letter 'A'\r
- __asm {\r
- PUSHF\r
- PUSH ES\r
- PUSH AX\r
- PUSH BX\r
- PUSH CX\r
- PUSH DX\r
- PUSH SI\r
- PUSH DI\r
-\r
- MOV DI, addr\r
- MOV SI, o\r
- MOV ES, s\r
- SUB AH, AH\r
- MOV AL, c ; the letter\r
- MOV CX, w\r
- MUL CX\r
- ADD SI, AX ;the address of charcter\r
- L1: MOV AX, ES:SI\r
- MOV DS:DI, AX\r
- INC SI\r
- INC DI\r
- DEC CX\r
- JNZ L1\r
-\r
- POP DI\r
- POP SI\r
- POP DX\r
- POP CX\r
- POP BX\r
- POP AX\r
- POP ES\r
- POPF\r
- }\r
-\r
- for(i=0; i<w; i++)\r
- {\r
- j=1<<8;\r
- xp=0;\r
- while(j)\r
- {\r
- //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);\r
- modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol);\r
- xp++;\r
- j>>=1;\r
- }\r
- }\r
- chw += xp;\r
- }\r
-}\r
-\r
-/* palette dump on display! */\r
-void modexpdump(page_t *pee)\r
-{\r
- int mult=(QUADWH);\r
- int palq=(mult)*TILEWH;\r
- int palcol=0;\r
- int palx, paly;\r
- for(paly=0; paly<palq; paly+=mult){\r
- for(palx=0; palx<palq; palx+=mult){\r
- modexClearRegion(pee, palx+TILEWH, paly+TILEWH, mult, mult, palcol);\r
- palcol++;\r
- }\r
- }\r
-}\r
-\r
-/////////////////////////////////////////////////////////////////////////////\r
-// //\r
-// cls() - This clears the screen to the specified color, on the VGA or on //\r
-// the Virtual screen. //\r
-// //\r
-/////////////////////////////////////////////////////////////////////////////\r
-void modexcls(page_t *page, byte color, byte *Where)\r
-{\r
- //modexClearRegion(page, 0, 0, page->width, page->height, color);\r
- /* set map mask to all 4 planes */\r
- outpw(SC_INDEX, 0xff02);\r
- //_fmemset(VGA, color, 16000);\r
- _fmemset(Where, color, page->width*(page->height)/4);\r
-}\r
-\r
-void\r
-modexWaitBorder() {\r
- while(inp(INPUT_STATUS_1) & 8) {\r
- // spin\r
- }\r
-\r
- while(!(inp(INPUT_STATUS_1) & 8)) {\r
- //spin\r
- }\r
-}\r
-\r
-void modexprintmeminfo(video_t *v)\r
-{\r
- byte i;\r
- printf("video memory remaining: %u\n", v->vmem_remain);\r
- printf("page ");\r
- for(i=0; i<v->num_of_pages;i++)\r
- {\r
- printf(" [%u]=", i);\r
- printf("(%Fp)", (v->page[i].data));\r
- printf(" size=%u ", v->page[i].pagesize);\r
- printf("w=%lu h=%lu ", (unsigned long)v->page[i].width, (unsigned long)v->page[i].height);\r
- printf("sw=%lu sh=%lu ", (unsigned long)v->page[i].sw, (unsigned long)v->page[i].sh);\r
- printf("pi=%u", v->page[i].pi);\r
- printf("\n");\r
- }\r
-}\r
projects / 16.git / blobdiff