c2e.convert_special: 0
e2c.convert_num: 0
-openfiles: /dos/z/16/16/dos_gfx.cpp:150:0:0:
-openfiles: /dos/z/16/16/dos_gfx.h:156:0:0:
-openfiles: /dos/z/16/16/dos_kb.c:1039:46:0:
-openfiles: /dos/z/16/16/dos_kb.h:23:0:0:
+openfiles: /dos/z/16/16/dos_gfx.cpp:187:0:0:
+openfiles: /dos/z/16/16/dos_gfx.h:116:0:0:
+openfiles: /dos/z/16/16/dos_kb.c:217:0:0:
+openfiles: /dos/z/16/16/dos_kb.h:161:0:0:
openfiles: /dos/z/16/16/lib/lib_com.cpp:2:0:0:
openfiles: /dos/z/16/16/lib/lib_com.h:160:0:0:
openfiles: /dos/z/16/16/scroll.txt:5256:4537:0:
openfiles: /dos/z/16/16/project16.txt:8063:6091:0:
openfiles: /dos/z/16/16/16.txt:0:0:0:
-openfiles: /dos/z/16/16/lib/x/MODEX.H:5511:4684:0:
-openfiles: /dos/z/16/16/modex16/PCXTEST.C:1143:421:0:
-openfiles: /dos/z/16/16/lib/MODEX16.C:141:0:0:
-openfiles: /dos/z/16/16/lib/MODEX16.H:444:0:0:
-openfiles: /dos/z/16/16/lib/TYPES.H:277:0:1:
+openfiles: /dos/z/16/16/lib/x/MODEX.H:5511:2798:0:
+openfiles: /dos/z/16/16/modex16/PCXTEST.C:794:497:0:
+openfiles: /dos/z/16/16/lib/MODEX16.C:2334:1895:0:
+openfiles: /dos/z/16/16/lib/MODEX16.H:2926:2348:0:
+openfiles: /dos/z/16/16/TEST.C:335:0:1:
snr_recursion_level: 0
convertcolumn_horizontally: 0
adv_open_matchname: 0
opendir: file:///dos/z/16/16/lib
wrap_text_default: 0
bookmarks_filename_mode: 1
-ssearch_text: bitmap_t
-snr_casesens: 0
+ssearch_text: gq
+snr_casesens: 1
view_blocks: 1
name: project 16
replacelist: てすと
replacelist: \t
replacelist: putPixel_X
+replacelist: SCREEN_WIDTH
+replacelist: SCREEN_HEIGHT
fb_show_hidden_f: 0
editor_tab_width: 4
show_visible_spacing: 1
e2c.convert_iso: 0
ssearch_casesens: 0
charmap_block: 1
-recent_files: file:///dos/z/4x4_16/tauron/C_SRC/TESTS.CPP
-recent_files: file:///dos/z/4x4_16/tauron/C_SRC/MODES.CPP
-recent_files: file:///dos/z/4x4_16/tauron/C_SRC/FONT1.H
-recent_files: file:///dos/z/4x4_16/tauron/C_SRC/FONT2.H
-recent_files: file:///dos/z/4x4_16/tile.c
recent_files: file:///dos/z/4x4_16/tile.h
recent_files: file:///dos/z/16/16/lib_com.cpp
recent_files: file:///dos/z/16/16/lib_com.h
recent_files: file:///dos/z/4x4_16/modex/DEMO01.PAS
recent_files: file:///dos/z/16/16/lib/x/MXCR.ASM
recent_files: file:///dos/z/4x4_16/modex/DEMO07.PAS
-recent_files: file:///dos/z/16/16/modex16/PCXTEST.C
-recent_files: file:///dos/z/16/16/dos_gfx.cpp
-recent_files: file:///dos/z/16/16/dos_gfx.h
-recent_files: file:///dos/z/16/16/dos_kb.c
-recent_files: file:///dos/z/16/16/dos_kb.h
-recent_files: file:///dos/z/16/16/lib/lib_com.cpp
-recent_files: file:///dos/z/16/16/lib/lib_com.h
-recent_files: file:///dos/z/16/16/scroll.txt
-recent_files: file:///dos/z/16/16/project16.txt
-recent_files: file:///dos/z/16/16/16.txt
recent_files: file:///dos/z/16/16/scrasm/MAIN.ASM
-recent_files: file:///dos/z/16/16/lib/x/MODEX.H
recent_files: file:///dos/z/16/16/lib/x/MXBB.ASM
recent_files: file:///dos/z/16/src/lib/dos_gfx.h
recent_files: file:///dos/z/16/16/lib/intro/lib.c
recent_files: file:///dos/z/16/16/modex16/MODEX16.C
recent_files: file:///dos/z/4x4_16/w_modex/MODEX.CPP
recent_files: file:///dos/z/16/16/TYPES.H
-recent_files: file:///dos/z/16/16/lib/MODEX16.H
recent_files: file:///dos/z/16/16/lib/TYPES.H
+recent_files: file:///dos/z/16/16/dos_gfx.cpp
+recent_files: file:///dos/z/16/16/dos_gfx.h
+recent_files: file:///dos/z/16/16/lib/lib_com.h
+recent_files: file:///dos/z/16/16/dos_kb.c
+recent_files: file:///dos/z/16/16/dos_kb.h
+recent_files: file:///dos/z/16/16/lib/lib_com.cpp
+recent_files: file:///dos/z/16/16/scroll.txt
recent_files: file:///dos/z/16/16/lib/MODEX16.C
+recent_files: file:///dos/z/16/16/project16.txt
+recent_files: file:///dos/z/16/16/lib/MODEX16.H
+recent_files: file:///dos/z/16/16/lib/x/MODEX.H
+recent_files: file:///dos/z/16/16/16.txt
+recent_files: file:///dos/z/16/16/modex16/PCXTEST.C
+recent_files: file:///dos/z/16/16/test.c
+recent_files: file:///dos/z/16/16/TEST.C
+recent_files: file:///dos/z/16/16/MODEX16.H
+recent_files: file:///dos/z/16/16/MODEX16.C
+recent_files: file:///dos/z/16/16/lib/types.h
snr_replacetype: 0
savedir: file:///dos/z/16/16/lib
spell_check_default: 1
htmlbar_view: 0
spell_lang: en
ssearch_dotmatchall: 0
-searchlist: main
-searchlist: word
-searchlist: syte
-searchlist: unsigned short
-searchlist: syte
-searchlist: unsigned int
-searchlist: #include "src\\lib\\lib_com.h"
-searchlist: word
-searchlist: sy
-searchlist: word
+searchlist: modexen
+searchlist: modexClearRegion(page_t *page, (SW-palq)+palx+32, paly+32, TILEWH, TILEWH, palcol);
+searchlist: mx
+searchlist: sw
+searchlist: SW
+searchlist: SH
+searchlist: QUADWH
+searchlist: pdump
+searchlist: #include "modex16.h"\r\n#include <stdio.h>\r\n\r\nword far* clock= (word far*) 0x046C; /* 18.2hz clock */\r\n\r\nvoid main() {\r\n#include "modex16.h"\r\n#include <stdio.h>\r\n\r\nword far* clock= (word far*) 0x046C; /* 18.2hz clock */\r\n\r\nvoid main() {\r\n
+searchlist: extern
searchlist: VGA
-searchlist: Page
-searchlist: modexll
-searchlist: load
-searchlist: bitmap_t
+searchlist: vga
+searchlist: clock
+searchlist: setvideo
+searchlist: gq
autocomplete: 1
outputb_show_all_output: 0
bookmarks_show_mode: 0
editor_indent_wspaces: 0
view_cline: 0
snr_type: 0
-snr_scope: 3
+snr_scope: 0
bmarksearchmode: 0
view_main_toolbar: 1
e2c.convert_symbol: 0
--- /dev/null
+#include "lib\modex16.h"\r
+#include <stdio.h>
+
+#include <stdlib.h>\r
+//#include <iostream.h>
+\r
+word far* clock= (word far*) 0x046C; /* 18.2hz clock */\r
+
+//color てすと\r
+short gq = LGQ;
+
+page_t page, page2;
+
+//てすと\r
+short bakax = 0, bakay = 0;\r
+sword xx = 0, yy = 0, sx = 0, sy = 0;\r
+byte coor;\r
+
+//byte *vga = (byte *) MK_FP(0xA000, 0);
+\r
+/*\r
+ * Comment out the following #define if you don't want the testing main()\r
+ * to be included.\r
+ */\r
+//#define TILE
+
+\r
+/*void pdump(){\r
+ int mult=(QUADWH)/2;\r
+ int palq=(mult)*16;\r
+ int palcol=0;\r
+ for(int paly=0; paly<palq; paly+=mult){\r
+ for(int palx=0; palx<palq; palx+=mult){\r
+ //mxFillBox((SCREEN_WIDTH-palq)+palx+32, paly+32, TILEWH, TILEWH, palcol, OP_SET);
+ modexClearRegion(page_t *page, (SCREEN_WIDTH-palq)+palx+32, paly+32, TILEWH, TILEWH, 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 cls(byte color, byte *Where){\r
+ _fmemset(Where, color, VW*(VH*2));\r
+}\r
+\r
+//color てすと\r
+short colortest(){\r
+ if(gq < NUM_COLORS){\r
+ cls(gq, vga);\r
+ gq++;\r
+ }else gq = 0;\r
+ return gq;\r
+}\r
+\r
+//color てすと\r
+short colorz(){\r
+ if(gq <= HGQ){\r
+//---- cls(gq, vaddr);\r
+ cls(gq, vga);\r
+ gq++;\r
+ }else gq = LGQ;\r
+ return gq;\r
+}\r
+\r
+//slow spectrum down\r
+void ssd(short svq){\r
+ if(sy < SCREEN_HEIGHT+1){\r
+ if(sx < SCREEN_WIDTH+1){\r
+ //plotpixel(xx, yy, coor, vga);\r
+ //ppf(sx, sy, coor, vga);\r
+ //mxPutPixel(sx, sy, coor);
+ modexClearRegion(page_t *page, sx, sy, 1, 1, coor);
+ //printf("%d %d %d %d¥n", sx, sy, svq, coor);\r
+ sx++;\r
+ }else sx = 0;\r
+ if(sx == SCREEN_WIDTH){\r
+ sy++;\r
+ if(svq == 7) coor++;\r
+ if(sy == SCREEN_HEIGHT && svq == 8) coor = rand()%NUM_COLORS;\r
+ }\r
+ }else sy = 0;\r
+}*/\r
+\r
+/*-----------ding-------------*/\r
+short ding(int q){\r
+
+ page=modexDefaultPage();\r
+ page2 = modexNextPage(&page);\r
+ page.width += 32;\r
+ page.height += 32;
+ short d3y;\r
+\r
+//++++ if(q <= 4 && q!=2 && gq == BONK-1) coor = rand()%HGQ;\r
+ if((q == 2\r
+ ||q==4\r
+ ||q==16\r
+ ) && gq == BONK){\r
+ if(coor < HGQ && coor < LGQ) coor = LGQ;\r
+ if(coor < HGQ){\r
+ coor++;\r
+ }else{ coor = LGQ;\r
+ bakax = rand()%3; bakay = rand()%3;\r
+ }\r
+ }\r
+\r
+// if(q==8){ colorz(); return gq; /*mxOutText(SCREEN_WIDTH/2, SCREEN_HEIGHT/2, "bakapi");*/ }else\r
+// if(q==10){ ssd(q); /*printf("%d¥n", coor);*/ }else\r
+// if(q==5){ colortest(); return gq; }else\r
+// if(q==11){ colorz(); delay(100); return gq; }\r
+/* if(q==6){\r
+ coor = rand()%NUM_COLORS;\r
+ cls(coor, vga);\r
+ //updatevbuff();\r
+ }\r
+\r
+ /f(q==7||q==9){\r
+ if(gq <= HGQ){\r
+ if(q == 7) ssd(q);\r
+ if(q == 9){ ssd(q); coor++; }\r
+ gq++;\r
+ }else gq = LGQ;\r
+ }*/\r
+ if((q<5 && gq<BONK) || (q==16 && gq<BONK)){ // the number variable make the colors more noticable\r
+ if(q==1){\r
+ if(xx==VW){bakax=0;}\r
+ if(xx==0){bakax=1;}\r
+ if(yy==VH){bakay=0;}\r
+ if(yy==0){bakay=1;}\r
+ }else if(q==3){\r
+ if(xx!=VW||yy!=VH){\r
+ if(xx==0){bakax=1;bakay=-1;d3y=1;}\r
+ if(yy==0){bakax=1;bakay=0;d3y=1;}\r
+ if(xx==VW){bakax=-1;bakay=-1;d3y=1;}\r
+ if(yy==VH){bakax=1;bakay=0;d3y=1;}\r
+ }else if(xx==VW&&yy==VH) xx=yy=0;\r
+ }\r
+ if(q==3){\r
+ if(d3y){\r
+ if(bakay<0){\r
+ yy--;\r
+ d3y--;\r
+ }else\r
+ if(bakay>0){\r
+ yy++;\r
+ d3y--;\r
+ }\r
+ }\r
+ if(bakax<0){\r
+ xx--;\r
+ }else\r
+ if(bakax>0){\r
+ xx++;\r
+ }\r
+ }else{\r
+ if(q==16)\r
+ {\r
+ if(!bakax){\r
+ xx--;\r
+ }else if(bakax>0){\r
+ xx++;\r
+ }\r
+ if(!bakay){\r
+ yy--;\r
+ }else if(bakay>0){\r
+ yy++;\r
+ }\r
+ }else{\r
+ if(!bakax){\r
+ #ifdef TILE\r
+ xx-=TILEWH;\r
+ #else\r
+ xx--;\r
+ #endif\r
+ }else if(bakax>1){\r
+ #ifdef TILE\r
+ xx+=TILEWH;\r
+ #else\r
+ xx++;\r
+ #endif\r
+ }\r
+ if(!bakay){\r
+ #ifdef TILE\r
+ yy-=TILEWH;\r
+ #else\r
+ yy--;\r
+ #endif\r
+ }else if(bakay>1){\r
+ #ifdef TILE\r
+ yy+=TILEWH;\r
+ #else\r
+ yy++;\r
+ #endif\r
+ }\r
+ }\r
+ }\r
+ // fixer\r
+ if(q!=16){\r
+ #ifdef TILE\r
+ if(xx<0) xx=(VW-TILEWH);\r
+ if(yy<0) yy=(VH-TILEWH);\r
+ if(xx>(VW-TILEWH)) xx=0;\r
+ if(yy>(VH-TILEWH)/*+(TILEWH*BUFFMX)*/) yy=0;\r
+ #else\r
+ if(xx<0) xx=VW;\r
+ if(yy<0) yy=VH;\r
+ if(xx>VW) xx=0;\r
+ if(yy>VH) yy=0;\r
+ #endif\r
+ }\r
+\r
+//interesting effects\r
+ if(q==16)\r
+ {\r
+ short tx=0,ty=0;\r
+ tx+=xx+16;\r
+ ty+=yy+16;\r
+ //mxPutPixel(tx, ty, coor);
+ modexClearRegion(page_t *page, tx, ty, 1, 1, coor);
+ //printf("%d %d %d %d %d %d¥n", xx, yy, tx, ty, TILEWH);\r
+\r
+ // plot the pixel\r
+ }else{\r
+ #ifdef TILE\r
+ //mxFillBox(xx, yy, TILEWH, TILEWH, coor, OP_SET);
+ modexClearRegion(page_t *page, xx, yy, TILEWH, TILEWH, coor);\r
+ #else\r
+ //mxPutPixel(xx, yy, coor);
+ modexClearRegion(page_t *page, xx, yy, 1, 1, coor);\r
+ #endif\r
+ } \r
+\r
+ if(q==2)\r
+ #ifdef TILE\r
+ //mxFillBox((rand()*TILEWH)%VW, (rand()*TILEWH)%(VH), TILEWH, TILEWH, 0, OP_SET);
+ modexClearRegion(page_t *page, (rand()*TILEWH)%VW, (rand()*TILEWH)%(VH), TILEWH, TILEWH, 0);\r
+ #else\r
+ //mxPutPixel(rand()%VW, rand()%(VH), 0);
+ modexClearRegion(page_t *page, rand()%VW, rand()%(VH), 1, 1, 0);\r
+ #endif\r
+ if(q==16) //mxPutPixel(rand()%VW, rand()%(VH), 0);
+ modexClearRegion(page_t *page, rand()%VW, rand()%(VH), 1, 1, 0);\r
+ if(q==2||q==4||q==16){ bakax = rand()%3; bakay = rand()%3; } //random 3 switch\r
+ gq++;\r
+//if(xx<0||xx>320||yy<0||yy>(SCREEN_HEIGHT*3))\r
+// printf("%d %d %d %d %d¥n", xx, yy, coor, bakax, bakay);\r
+ }else gq = LGQ;\r
+ return gq;\r
+}\r
+\r
+void main() {\r
+ int i, j;\r
+ bitmap_t bmp;\r
+ word start, end;
+ //page_t page, page2;\r
+ float elapsed;\r
+ byte *pal, *pal2=NULL;\r
+\r
+ /* load pcx file */\r
+ bmp = modexLoadPcx("ed.pcx");\r
+\r
+ /* load our palette */\r
+ modexLoadPalFile("gfx.pal", &pal2);\r
+\r
+ /* save the palette */\r
+ pal = modexNewPal();\r
+ modexPalSave(pal);\r
+ modexFadeOff(1, pal);\r
+ modexPalBlack();\r
+\r
+ setvideo(1);\r
+ modexPalBlack();\r
+\r
+ /* set up the page, but with 16 pixels on all borders in offscreen mem */\r
+ page=modexDefaultPage();\r
+ page2 = modexNextPage(&page);\r
+ page.width += 32;\r
+ page.height += 32;\r
+\r
+\r
+ /* fill the page with one color, but with a black border */\r
+ modexShowPage(&page2);\r
+ modexClearRegion(&page, 16, 16, SCREEN_WIDTH, SCREEN_HEIGHT, 128);\r
+ modexClearRegion(&page, 32, 32, SCREEN_WIDTH-32, SCREEN_HEIGHT-32, 42);\r
+ modexClearRegion(&page, 48, 48, SCREEN_WIDTH-64, SCREEN_HEIGHT-64, 128);\r
+ modexShowPage(&page);\r
+\r
+ modexDrawSprite(&page, 20, 20, &bmp);\r
+ //modexDrawBmp(&page, xb, yb, &bmp);\r
+\r
+ /* fade in */\r
+ modexFadeOn(1, pal2);\r
+\r
+\r
+ start = *clock;\r
+ //for(i=0; i<5; i++) {\r
+ while (!kbhit()){ /* Wait for a keystroke */\r
+ /* go right */\r
+ for(j=0; j<32; j++) {\r
+ page.dx++;\r
+ modexShowPage(&page);\r
+ }\r
+ /* go left */\r
+ for(j=0; j<32; j++) {\r
+ page.dx--;\r
+ modexShowPage(&page);\r
+ }\r
+ /* go up */\r
+ for(j=0; j<32; j++) {\r
+ page.dy++;\r
+ modexShowPage(&page);\r
+ }\r
+\r
+ /* go down */\r
+ for(j=0; j<32; j++) {\r
+ page.dy--;\r
+ modexShowPage(&page);\r
+ }\r
+ }\r
+\r
+ (void) getch(); /* Clear the keyboard buffer */\r
+ end = *clock;\r
+\r
+ /* fade back to text mode */\r
+ modexFadeOff(1, pal2);\r
+ modexPalBlack();\r
+ setvideo(0);\r
+ modexPalBlack();\r
+ modexFadeOn(1, pal);\r
+}\r
#include <stdlib.h>\r
#include "lib\lib_com.h"
#include "lib\x\modex.h"
-//#include "lib\modex16.h" //____\r
+#include "lib\modex16.h" //____\r
\r
#define NUM_COLORS 256 // number of colors in vga mode\r
//static lgq=NUM_COLORS/(1/8)\r
ptr[i] = 0x0000;\r
}\r
}\r
+
+int old_mode;\r
+\r
+/////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// setvideo() - This function Manages the video modes //\r
+// //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void setvideo(/*byte mode, */short vq){\r
+ union REGS in, out;\r
+\r
+ if(!vq){ // deinit the video\r
+ // change to the video mode we were in before we switched to mode 13h\r
+ in.h.ah = 0x00;\r
+ in.h.al = old_mode;\r
+ int86(0x10, &in, &out);\r
+\r
+ }else if(vq==1){ // init the video\r
+ // get old video mode\r
+ in.h.ah = 0xf;\r
+ int86(0x10, &in, &out);\r
+ old_mode = out.h.al;\r
+ // enter mode
+ modexEnter();\r
+ }\r
+}
+\r
+page_t\r
+modexDefaultPage() {\r
+ page_t page;\r
+\r
+ /* default page values */\r
+ page.data = VGA;\r
+ page.dx = 0;\r
+ page.dy = 0;\r
+ page.width = SCREEN_WIDTH;\r
+ page.height = SCREEN_HEIGHT;\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
-void\r
-modexLeave() {\r
- /* TODO restore original mode and palette */\r
- vgaSetMode(TEXT_MODE);\r
+ result.data = p->data + (p->width/4)*p->height; /* compute the offset */\r
+ result.dx = 0;\r
+ result.dy = 0;\r
+ result.width = p->width;\r
+ result.height = p->height;\r
+\r
+ return result;\r
}\r
\r
\r
void\r
-modexShowPage(page_t page) {\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
- high_address = HIGH_ADDRESS | ((word)(page) & 0xff00);\r
- low_address = LOW_ADDRESS | ((word)(page) << 8);\r
+ /* calculate crtcOffset according to virtual width */\r
+ crtcOffset = page->width >> 3;\r
\r
- /* wait for appropriate timing */\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
\r
void\r
modexPanPage(page_t *page, int dx, int dy) {\r
- /* TODO figure out how the $@#! you do horizontal panning */\r
- *page += dy * SCREEN_WIDTH;\r
+ page->dx = dx;\r
+ page->dy = dy;\r
}\r
\r
\r
\r
\r
void\r
-modexClearRegion(page_t page, int x, int y, int w, int h, byte color) {\r
- byte plane;\r
- word endx = x + w;\r
- word endy = y + h;\r
- word dx, dy;\r
-\r
- /* TODO Make this fast. It's SLOOOOOOW */\r
- for(plane=0; plane < 4; plane++) {\r
- modexSelectPlane(PLANE(plane+x));\r
- for(dx = x; dx < endx; dx+=4) {\r
- for(dy=y; dy<endy; dy++) {\r
- page[PAGE_OFFSET(dx, dy)] = color;\r
- }\r
- }\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->width/4) + xoff; /* starting offset */\r
+ word nextRow = page->width/4-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
+ __asm {\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
}\r
}\r
\r
\r
void\r
-modexDrawBmp(page_t page, int x, int y, bitmap_t *bmp, byte sprite) {\r
- byte plane;\r
- word px, py;\r
- word offset;\r
+modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp) {\r
+ /* draw the region (the entire freakin bitmap) */\r
+ modexDrawBmpRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);\r
+}\r
\r
- /* TODO Make this fast. It's SLOOOOOOW */\r
- for(plane=0; plane < 4; plane++) {\r
- modexSelectPlane(PLANE(plane+x));\r
- for(px = plane; px < bmp->width; px+=4) {\r
- offset=px;\r
- for(py=0; py<bmp->height; py++) {
- if(!sprite || bmp->data[offset])\r
- page[PAGE_OFFSET(x+px, y+py)] = bmp->data[offset];\r
- offset+=bmp->width;\r
- }\r
- }\r
+\r
+void\r
+modexDrawBmpRegion(page_t *page, int x, int y,\r
+ int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
+ word poffset = (word) page->data + y*(page->width/4) + x/4;\r
+ byte *data = bmp->data;\r
+ word bmpOffset = (word) data + ry * bmp->width + rx;\r
+ word width = rw;\r
+ word height = rh;\r
+ byte plane = 1 << ((byte) x & 0x03);\r
+ word scanCount = width/4 + (width%4 ? 1 :0);\r
+ word nextPageRow = page->width/4 - scanCount;\r
+ word nextBmpRow = (word) bmp->width - width;\r
+ word rowCounter;\r
+ byte planeCounter = 4;\r
+\r
+ __asm {\r
+ MOV AX, SCREEN_SEG ; go to the VGA memory\r
+ MOV ES, AX\r
+\r
+ MOV DX, SC_INDEX ; point at the map mask register\r
+ MOV AL, MAP_MASK ;\r
+ OUT DX, AL ;\r
+\r
+ PLANE_LOOP:\r
+ MOV DX, SC_DATA ; select the current plane\r
+ MOV AL, plane ;\r
+ OUT DX, AL ;\r
+\r
+ ;-- begin plane painting\r
+ MOV AX, height ; start the row counter\r
+ MOV rowCounter, AX ; \r
+ MOV DI, poffset ; go to the first pixel\r
+ MOV SI, bmpOffset ; go to the bmp pixel\r
+ ROW_LOOP:\r
+ MOV CX, width ; count the columns\r
+ SCAN_LOOP:\r
+ MOVSB ; copy the pixel\r
+ SUB CX, 3 ; we skip the next 3\r
+ ADD SI, 3 ; skip the bmp pixels\r
+ LOOP SCAN_LOOP ; finish the scan\r
+\r
+ MOV AX, nextPageRow\r
+ ADD DI, AX ; go to the next row on screen\r
+ MOV AX, nextBmpRow\r
+ ADD SI, AX ; go to the next row on bmp\r
+\r
+ DEC rowCounter\r
+ JNZ ROW_LOOP ; do all the rows\r
+ ;-- end plane painting\r
+\r
+ MOV AL, plane ; advance to the next plane\r
+ SHL AL, 1 ;\r
+ AND AL, 0x0f ; mask the plane properly\r
+ MOV plane, AL ; store the plane\r
+\r
+ INC bmpOffset ; start bmp at the right spot\r
+\r
+ DEC planeCounter\r
+ JNZ PLANE_LOOP ; do all 4 planes\r
}\r
}\r
\r
\r
+void\r
+modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp) {\r
+ /* draw the whole sprite */\r
+ modexDrawSpriteRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);\r
+}\r
+\r
+void\r
+modexDrawSpriteRegion(page_t *page, int x, int y,\r
+ int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
+ word poffset = (word)page->data + y*(page->width/4) + x/4;\r
+ byte *data = bmp->data;\r
+ word bmpOffset = (word) data + ry * bmp->width + rx;\r
+ word width = rw;\r
+ word height = rh;\r
+ byte plane = 1 << ((byte) x & 0x03);\r
+ word scanCount = width/4 + (width%4 ? 1 :0);\r
+ word nextPageRow = page->width/4 - scanCount;\r
+ word nextBmpRow = (word) bmp->width - width;\r
+ word rowCounter;\r
+ byte planeCounter = 4;\r
+\r
+ __asm {\r
+ MOV AX, SCREEN_SEG ; go to the VGA memory\r
+ MOV ES, AX\r
+\r
+ MOV DX, SC_INDEX ; point at the map mask register\r
+ MOV AL, MAP_MASK ;\r
+ OUT DX, AL ;\r
+\r
+ PLANE_LOOP:\r
+ MOV DX, SC_DATA ; select the current plane\r
+ MOV AL, plane ;\r
+ OUT DX, AL ;\r
+\r
+ ;-- begin plane painting\r
+ MOV AX, height ; start the row counter\r
+ MOV rowCounter, AX ; \r
+ MOV DI, poffset ; go to the first pixel\r
+ MOV SI, bmpOffset ; go to the bmp pixel\r
+ ROW_LOOP:\r
+ MOV CX, width ; count the columns\r
+ SCAN_LOOP:\r
+ LODSB\r
+ DEC SI\r
+ CMP AL, 0\r
+ JNE DRAW_PIXEL ; draw non-zero pixels\r
+\r
+ INC DI ; skip the transparent pixel\r
+ ADD SI, 1\r
+ JMP NEXT_PIXEL\r
+ DRAW_PIXEL:\r
+ MOVSB ; copy the pixel\r
+ NEXT_PIXEL:\r
+ SUB CX, 3 ; we skip the next 3\r
+ ADD SI, 3 ; skip the bmp pixels\r
+ LOOP SCAN_LOOP ; finish the scan\r
+\r
+ MOV AX, nextPageRow\r
+ ADD DI, AX ; go to the next row on screen\r
+ MOV AX, nextBmpRow\r
+ ADD SI, AX ; go to the next row on bmp\r
+\r
+ DEC rowCounter\r
+ JNZ ROW_LOOP ; do all the rows\r
+ ;-- end plane painting\r
+\r
+ MOV AL, plane ; advance to the next plane\r
+ SHL AL, 1 ;\r
+ AND AL, 0x0f ; mask the plane properly\r
+ MOV plane, AL ; store the plane\r
+\r
+ INC bmpOffset ; start bmp at the right spot\r
+\r
+ DEC planeCounter\r
+ JNZ PLANE_LOOP ; do all 4 planes\r
+ }\r
+}\r
+\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
+ /* todo */\r
+}\r
+\r
+\r
/* fade and flash */\r
void\r
modexFadeOn(word fade, byte *palette) {\r
#ifndef MODEX16_H\r
#define MODEX16_H\r
#include <conio.h>\r
-#include "lib\types.h"\r
-\r
+#include "lib\types.h"
+
/* -========================== Types & Macros ==========================- */\r
#define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))\r
#define PLANE(x) (1<< (x&3))\r
-typedef byte far* page_t;\r
#define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02)\r
typedef struct {\r
byte *data;\r
byte *palette;\r
} bitmap_t;\r
\r
+typedef struct {\r
+ byte far* data; /* the data for the page */\r
+ word dx; /* col we are viewing on the virtual screen */\r
+ word dy; /* row we are viewing on the virtual screen */\r
+ word width; /* virtual width of the page */\r
+ word height; /* virtual height of the page */\r
+} page_t;\r
+\r
/* -============================ Functions =============================- */\r
/* mode switching, page, and plane functions */\r
-void modexEnter();\r
-void modexLeave();\r
-void modexShowPage(page_t page);\r
+void modexEnter();
+void setvideo(/*byte mode, */short vq);\r
+page_t modexDefaultPage();\r
+page_t modexNextPage(page_t *p);\r
+void modexShowPage(page_t *page);\r
void modexPanPage(page_t *page, int dx, int dy);\r
void modexSelectPlane(byte plane);\r
-void modexClearRegion(page_t page, int x, int y, int w, int h, byte color);\r
-void modexDrawBmp(page_t page, int x, int y, bitmap_t *bmp, byte sprite);\r
+void modexClearRegion(page_t *page, int x, int y, int w, int h, byte color);\r
+void modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp);\r
+void modexDrawBmpRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);\r
+void modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp);\r
+void modexDrawSpriteRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);\r
\r
/* Palette fade and flash effects */\r
void modexFadeOn(word fade, byte *palette);\r
void modexWaitBorder();\r
\r
/* bitmap functions */\r
-bitmap_t modexLoadPcx(char *filename);\r
+bitmap_t modexLoadPcx(char *filename);
\r
/* -======================= Constants & Vars ==========================- */\r
extern byte far* VGA; /* The VGA Memory */\r
+#define SCREEN_SEG 0xa000\r
#define VIDEO_INT 0x10\r
#define SET_MODE 0x00\r
#define VGA_256_COLOR_MODE 0x13\r
#define SCREEN_HEIGHT 240\r
#define PAGE_SIZE (word)(SCREEN_WIDTH/4 * SCREEN_HEIGHT)\r
\r
+#define AC_INDEX 0x03c0\r
#define SC_INDEX 0x03c4\r
#define SC_DATA 0x03c5\r
#define CRTC_INDEX 0x03d4\r
#define PAL_READ_REG 0x03C7 /* Color register, read address */\r
#define PAL_WRITE_REG 0x03C8 /* Color register, write address */\r
#define PAL_DATA_REG 0x03C9 /* Color register, data port */\r
-#define PAL_SIZE (256 * 3)\r
+#define PAL_SIZE (256 * 3)
+
+#define NUM_COLORS 256 // number of colors in vga mode\r
+#define BONK 400\r
+#define LGQ 32\r
+#define HGQ 55\r
+#define TILEWH 16
+#define QUADWH TILEWH/2
+#define VW (SCREEN_WIDTH+32)\r
+#define VH (SCREEN_HEIGHT+32)\r
#endif\r
typedef unsigned long dword;\r
typedef signed char sbyte;\r
typedef signed short sword;\r
-typedef signed long sdword;
+typedef signed long sdword;\r
--- /dev/null
+/*\r
+ * Just some handy typedefs that make it easier to think about the low\r
+ * level code\r
+ */\r
+\r
+typedef unsigned char byte;\r
+typedef unsigned short word;\r
+typedef unsigned long dword;\r
+typedef signed char sbyte;\r
+typedef signed short sword;\r
+typedef signed long sdword;\r
--- /dev/null
+FLAGS=-0 -d3\r
+all: test.exe\r
+\r
+test.exe: test.obj modex16.obj\r
+ wcl $(FLAGS) test.obj modex16.obj\r
+ \r
+test.obj: test.c lib\modex16.h\r
+ wcl $(FLAGS) -c test.c\r
+ \r
+modex16.obj: lib\modex16.h lib\modex16.c\r
+ wcl $(FLAGS) -c lib\modex16.c\r
+ \r
+clean: \r
+ del *.obj\r
+ del *.exe\r
ptr[i] = 0x0000;\r
}\r
}\r
-\r
-\r
-void\r
-modexLeave() {\r
- /* TODO restore original mode and palette */\r
- vgaSetMode(TEXT_MODE);\r
-}\r
-\r
+
+int old_mode;\r
+\r
+/////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// setvideo() - This function Manages the video modes //\r
+// //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void setvideo(/*byte mode, */short vq){\r
+ union REGS in, out;\r
+\r
+ if(!vq){ // deinit the video\r
+ // change to the video mode we were in before we switched to mode 13h\r
+ in.h.ah = 0x00;\r
+ in.h.al = old_mode;\r
+ int86(0x10, &in, &out);\r
+\r
+ }else if(vq==1){ // init the video\r
+ // get old video mode\r
+ in.h.ah = 0xf;\r
+ int86(0x10, &in, &out);\r
+ old_mode = out.h.al;\r
+ // enter mode
+ modexEnter();\r
+ }\r
+}
\r
page_t\r
modexDefaultPage() {\r
#ifndef MODEX16_H\r
#define MODEX16_H\r
#include <conio.h>\r
-#include "types.h"\r
-\r
+#include "types.h"
+
/* -========================== Types & Macros ==========================- */\r
#define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))\r
#define PLANE(x) (1<< (x&3))\r
\r
/* -============================ Functions =============================- */\r
/* mode switching, page, and plane functions */\r
-void modexEnter();\r
-void modexLeave();\r
+void modexEnter();
+void setvideo(/*byte mode, */short vq);\r
page_t modexDefaultPage();\r
page_t modexNextPage(page_t *p);\r
void modexShowPage(page_t *page);\r
void modexWaitBorder();\r
\r
/* bitmap functions */\r
-bitmap_t modexLoadPcx(char *filename);\r
+bitmap_t modexLoadPcx(char *filename);
\r
/* -======================= Constants & Vars ==========================- */\r
extern byte far* VGA; /* The VGA Memory */\r
#define PAL_READ_REG 0x03C7 /* Color register, read address */\r
#define PAL_WRITE_REG 0x03C8 /* Color register, write address */\r
#define PAL_DATA_REG 0x03C9 /* Color register, data port */\r
-#define PAL_SIZE (256 * 3)\r
+#define PAL_SIZE (256 * 3)
+
+#define NUM_COLORS 256 // number of colors in vga mode\r
+#define BONK 400\r
+#define LGQ 32\r
+#define HGQ 55\r
+#define TILEWH 16
+#define QUADWH TILEWH/2\r
#endif\r
page=modexDefaultPage();\r
\r
bmp = modexLoadPcx("ed.pcx");\r
- modexEnter();\r
+ setvideo(1);\r
\r
/* fix up the palette and everything */\r
modexPalUpdate(bmp.palette);\r
modexDrawSprite(&page, 20, 20, &bmp);\r
}\r
t4 = (*clock-start) / 18.2;\r
- modexLeave();\r
+ setvideo(0);\r
\r
printf("Old non-sprite: %f\n", t1);\r
printf("New non-sprite: %f\n", t2);\r
\r
word far* clock= (word far*) 0x046C; /* 18.2hz clock */\r
\r
-void main() {\r
+void main() {
+ bitmap_t bmp;\r
int i, j;\r
word start, end;\r
page_t page, page2;\r
float elapsed;\r
byte *pal, *pal2=NULL;\r
\r
+ /* load pcx file */\r
+ bmp = modexLoadPcx("ed.pcx");\r
+\r
/* load our palette */\r
modexLoadPalFile("gfx.pal", &pal2);\r
\r
modexFadeOff(1, pal);\r
modexPalBlack();\r
\r
- modexEnter();\r
+ setvideo(1);\r
modexPalBlack();\r
\r
/* set up the page, but with 16 pixels on all borders in offscreen mem */\r
modexClearRegion(&page, 48, 48, SCREEN_WIDTH-64, SCREEN_HEIGHT-64, 128);\r
modexShowPage(&page);\r
\r
+ modexDrawSprite(&page, 20, 20, &bmp);\r
+ //modexDrawBmp(&page, xb, yb, &bmp);\r
+\r
/* fade in */\r
modexFadeOn(1, pal2);\r
\r
\r
start = *clock;\r
- for(i=0; i<5; i++) {\r
+ //for(i=0; i<5; i++) {\r
+ while (!kbhit()){ /* Wait for a keystroke */\r
/* go right */\r
for(j=0; j<32; j++) {\r
page.dx++;\r
}\r
}\r
\r
+ (void) getch(); /* Clear the keyboard buffer */\r
end = *clock;\r
\r
/* fade back to text mode */\r
modexFadeOff(1, pal2);\r
modexPalBlack();\r
- modexLeave();\r
+ setvideo(0);\r
modexPalBlack();\r
modexFadeOn(1, pal);\r
}\r
+++ /dev/null
-#include <dos.h>\r
-#include <string.h>\r
-#include <mem.h>\r
-#include <conio.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include "modex16.h"\r
-\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
-static struct pcxHeader {\r
- byte id;\r
- byte version;\r
- byte encoding;\r
- byte bpp;\r
- word xmin;\r
- word ymin;\r
- word xmax;\r
- word ymax;\r
- word hres;\r
- word vres;\r
- byte pal16[48];\r
- byte res1;\r
- word bpplane;\r
- word palType;\r
- word hScreenSize;\r
- word vScreenSize;\r
- byte padding[54];\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
-}\r
-\r
-\r
-/* -========================= Entry Points ==========================- */\r
-void\r
-modexEnter() {\r
- word i;\r
- dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */\r
- word CRTParms[] = {\r
- 0x0d06, /* vertical total */\r
- 0x3e07, /* overflow (bit 8 of vertical counts) */\r
- 0x4109, /* cell height (2 to double-scan */\r
- 0xea10, /* v sync start */\r
- 0xac11, /* v sync end and protect cr0-cr7 */\r
- 0xdf12, /* vertical displayed */\r
- 0x0014, /* turn off dword mode */\r
- 0xe715, /* v blank start */\r
- 0x0616, /* v blank end */\r
- 0xe317 /* turn on byte mode */\r
- };\r
- int CRTParmCount = sizeof(CRTParms) / sizeof(CRTParms[0]);\r
-\r
- /* TODO save current video mode and palette */\r
- vgaSetMode(VGA_256_COLOR_MODE);\r
-\r
- /* disable chain4 mode */\r
- outpw(SC_INDEX, 0x0604);\r
-\r
- /* synchronous reset while setting Misc Output */\r
- outpw(SC_INDEX, 0x0100);\r
-\r
- /* select 25 MHz dot clock & 60 Hz scanning rate */\r
- outp(MISC_OUTPUT, 0xe3);\r
-\r
- /* undo reset (restart sequencer) */\r
- outpw(SC_INDEX, 0x0300);\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
- /* send the CRTParms */\r
- for(i=0; i<CRTParmCount; i++) {\r
- outpw(CRTC_INDEX, CRTParms[i]);\r
- }\r
-\r
- /* clear video memory */\r
- outpw(SC_INDEX, 0x0f02);\r
- for(i=0; i<0x8000; i++) {\r
- ptr[i] = 0x0000;\r
- }\r
-}\r
-\r
-\r
-void\r
-modexLeave() {\r
- /* TODO restore original mode and palette */\r
- vgaSetMode(TEXT_MODE);\r
-}\r
-\r
-\r
-page_t\r
-modexDefaultPage() {\r
- page_t page;\r
-\r
- /* default page values */\r
- page.data = VGA;\r
- page.dx = 0;\r
- page.dy = 0;\r
- page.width = SCREEN_WIDTH;\r
- page.height = SCREEN_HEIGHT;\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->width/4)*p->height; /* compute the offset */\r
- result.dx = 0;\r
- result.dy = 0;\r
- result.width = p->width;\r
- result.height = p->height;\r
-\r
- return result;\r
-}\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
-\r
-void\r
-modexPanPage(page_t *page, int dx, int dy) {\r
- page->dx = dx;\r
- page->dy = dy;\r
-}\r
-\r
-\r
-void\r
-modexSelectPlane(byte plane) {\r
- outp(SC_INDEX, MAP_MASK); /* select plane */\r
- outp(SC_DATA, plane);\r
-}\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->width/4) + xoff; /* starting offset */\r
- word nextRow = page->width/4-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
- __asm {\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
- }\r
-}\r
-\r
-\r
-void\r
-modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp) {\r
- /* draw the region (the entire freakin bitmap) */\r
- modexDrawBmpRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);\r
-}\r
-\r
-\r
-void\r
-modexDrawBmpRegion(page_t *page, int x, int y,\r
- int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
- word poffset = (word) page->data + y*(page->width/4) + x/4;\r
- byte *data = bmp->data;\r
- word bmpOffset = (word) data + ry * bmp->width + rx;\r
- word width = rw;\r
- word height = rh;\r
- byte plane = 1 << ((byte) x & 0x03);\r
- word scanCount = width/4 + (width%4 ? 1 :0);\r
- word nextPageRow = page->width/4 - scanCount;\r
- word nextBmpRow = (word) bmp->width - width;\r
- word rowCounter;\r
- byte planeCounter = 4;\r
-\r
- __asm {\r
- MOV AX, SCREEN_SEG ; go to the VGA memory\r
- MOV ES, AX\r
-\r
- MOV DX, SC_INDEX ; point at the map mask register\r
- MOV AL, MAP_MASK ;\r
- OUT DX, AL ;\r
-\r
- PLANE_LOOP:\r
- MOV DX, SC_DATA ; select the current plane\r
- MOV AL, plane ;\r
- OUT DX, AL ;\r
-\r
- ;-- begin plane painting\r
- MOV AX, height ; start the row counter\r
- MOV rowCounter, AX ; \r
- MOV DI, poffset ; go to the first pixel\r
- MOV SI, bmpOffset ; go to the bmp pixel\r
- ROW_LOOP:\r
- MOV CX, width ; count the columns\r
- SCAN_LOOP:\r
- MOVSB ; copy the pixel\r
- SUB CX, 3 ; we skip the next 3\r
- ADD SI, 3 ; skip the bmp pixels\r
- LOOP SCAN_LOOP ; finish the scan\r
-\r
- MOV AX, nextPageRow\r
- ADD DI, AX ; go to the next row on screen\r
- MOV AX, nextBmpRow\r
- ADD SI, AX ; go to the next row on bmp\r
-\r
- DEC rowCounter\r
- JNZ ROW_LOOP ; do all the rows\r
- ;-- end plane painting\r
-\r
- MOV AL, plane ; advance to the next plane\r
- SHL AL, 1 ;\r
- AND AL, 0x0f ; mask the plane properly\r
- MOV plane, AL ; store the plane\r
-\r
- INC bmpOffset ; start bmp at the right spot\r
-\r
- DEC planeCounter\r
- JNZ PLANE_LOOP ; do all 4 planes\r
- }\r
-}\r
-\r
-\r
-void\r
-modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp) {\r
- /* draw the whole sprite */\r
- modexDrawSpriteRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);\r
-}\r
-\r
-void\r
-modexDrawSpriteRegion(page_t *page, int x, int y,\r
- int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
- word poffset = (word)page->data + y*(page->width/4) + x/4;\r
- byte *data = bmp->data;\r
- word bmpOffset = (word) data + ry * bmp->width + rx;\r
- word width = rw;\r
- word height = rh;\r
- byte plane = 1 << ((byte) x & 0x03);\r
- word scanCount = width/4 + (width%4 ? 1 :0);\r
- word nextPageRow = page->width/4 - scanCount;\r
- word nextBmpRow = (word) bmp->width - width;\r
- word rowCounter;\r
- byte planeCounter = 4;\r
-\r
- __asm {\r
- MOV AX, SCREEN_SEG ; go to the VGA memory\r
- MOV ES, AX\r
-\r
- MOV DX, SC_INDEX ; point at the map mask register\r
- MOV AL, MAP_MASK ;\r
- OUT DX, AL ;\r
-\r
- PLANE_LOOP:\r
- MOV DX, SC_DATA ; select the current plane\r
- MOV AL, plane ;\r
- OUT DX, AL ;\r
-\r
- ;-- begin plane painting\r
- MOV AX, height ; start the row counter\r
- MOV rowCounter, AX ; \r
- MOV DI, poffset ; go to the first pixel\r
- MOV SI, bmpOffset ; go to the bmp pixel\r
- ROW_LOOP:\r
- MOV CX, width ; count the columns\r
- SCAN_LOOP:\r
- LODSB\r
- DEC SI\r
- CMP AL, 0\r
- JNE DRAW_PIXEL ; draw non-zero pixels\r
-\r
- INC DI ; skip the transparent pixel\r
- ADD SI, 1\r
- JMP NEXT_PIXEL\r
- DRAW_PIXEL:\r
- MOVSB ; copy the pixel\r
- NEXT_PIXEL:\r
- SUB CX, 3 ; we skip the next 3\r
- ADD SI, 3 ; skip the bmp pixels\r
- LOOP SCAN_LOOP ; finish the scan\r
-\r
- MOV AX, nextPageRow\r
- ADD DI, AX ; go to the next row on screen\r
- MOV AX, nextBmpRow\r
- ADD SI, AX ; go to the next row on bmp\r
-\r
- DEC rowCounter\r
- JNZ ROW_LOOP ; do all the rows\r
- ;-- end plane painting\r
-\r
- MOV AL, plane ; advance to the next plane\r
- SHL AL, 1 ;\r
- AND AL, 0x0f ; mask the plane properly\r
- MOV plane, AL ; store the plane\r
-\r
- INC bmpOffset ; start bmp at the right spot\r
-\r
- DEC planeCounter\r
- JNZ PLANE_LOOP ; do all 4 planes\r
- }\r
-}\r
-\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
- /* todo */\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
- modexPalUpdate(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
- modexPalUpdate(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(byte *p) {\r
- int i;\r
- modexWaitBorder();\r
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
- for(i=0; i<PAL_SIZE/2; i++) {\r
- outp(PAL_DATA_REG, p[i]);\r
- }\r
- modexWaitBorder(); /* waits one retrace -- less flicker */\r
- for(i=PAL_SIZE/2; i<PAL_SIZE; i++) {\r
- outp(PAL_DATA_REG, p[i]);\r
- }\r
-}\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
-\r
-bitmap_t\r
-modexLoadPcx(char *filename) {\r
- FILE *file;\r
- bitmap_t result;\r
- struct pcxHeader head;\r
- long bufSize;\r
- int index;\r
- byte count, val;\r
-\r
- /* open the PCX file for reading */\r
- file = fopen(filename, "rb");\r
- if(!file) {\r
- printf("Could not open %s for reading.\n", filename);\r
- exit(-2);\r
- }\r
-\r
- /* read the header */\r
- fread(&head, sizeof(char), sizeof(struct pcxHeader), file);\r
-\r
- /* make sure this is 8bpp */\r
- if(head.bpp != 8) {\r
- printf("I only know how to handle 8bpp pcx files!\n");\r
- fclose(file);\r
- exit(-2);\r
- }\r
-\r
- /* allocate the buffer */\r
- result.width = head.xmax - head.xmin + 1;\r
- result.height = head.ymax - head.ymin + 1;\r
- bufSize = result.width * result.height;\r
- result.data = malloc(bufSize);\r
- if(!result.data) {\r
- printf("Could not allocate memory for bitmap data.");\r
- fclose(file);\r
- exit(-1);\r
- }\r
-\r
- /* read the buffer in */\r
- index = 0;\r
- do {\r
- /* get the run length and the value */\r
- count = fgetc(file);\r
- if(0xC0 == (count & 0xC0)) { /* this is the run count */\r
- count &= 0x3f;\r
- val = fgetc(file);\r
- } else {\r
- val = count;\r
- count = 1;\r
- }\r
-\r
- /* write the pixel the specified number of times */\r
- for(; count && index < bufSize; count--,index++) {\r
- result.data[index] = val;\r
- }\r
- } while(index < bufSize);\r
-\r
- /* handle the palette */\r
- fseek(file, -769, SEEK_END);\r
- val = fgetc(file);\r
- result.palette = modexNewPal();\r
- if(head.version == 5 && val == 12) {\r
- /* use the vga palette */\r
- for(index=0; !feof(file) && index < PAL_SIZE; index++) {\r
- val = fgetc(file);\r
- result.palette[index] = val >> 2;\r
- }\r
- } else {\r
- /* use the 16 color palette */\r
- for(index=0; index<48; index++) {\r
- result.palette[index] = head.pal16[index];\r
- }\r
- }\r
-\r
- fclose(file);\r
-\r
- return result;\r
-}\r
+++ /dev/null
-/*\r
- * Functions for handling modex and doing other basic graphics stuff.\r
- */\r
-#ifndef MODEX16_H\r
-#define MODEX16_H\r
-#include <conio.h>\r
-#include "types.h"\r
-\r
-/* -========================== Types & Macros ==========================- */\r
-#define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))\r
-#define PLANE(x) (1<< (x&3))\r
-#define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02)\r
-typedef struct {\r
- byte *data;\r
- word width;\r
- word height;\r
- byte *palette;\r
-} bitmap_t;\r
-\r
-typedef struct {\r
- byte far* data; /* the data for the page */\r
- word dx; /* col we are viewing on the virtual screen */\r
- word dy; /* row we are viewing on the virtual screen */\r
- word width; /* virtual width of the page */\r
- word height; /* virtual height of the page */\r
-} page_t;\r
-\r
-/* -============================ Functions =============================- */\r
-/* mode switching, page, and plane functions */\r
-void modexEnter();\r
-void modexLeave();\r
-page_t modexDefaultPage();\r
-page_t modexNextPage(page_t *p);\r
-void modexShowPage(page_t *page);\r
-void modexPanPage(page_t *page, int dx, int dy);\r
-void modexSelectPlane(byte plane);\r
-void modexClearRegion(page_t *page, int x, int y, int w, int h, byte color);\r
-void modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp);\r
-void modexDrawBmpRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);\r
-void modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp);\r
-void modexDrawSpriteRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);\r
-\r
-/* Palette fade and flash effects */\r
-void modexFadeOn(word fade, byte *palette);\r
-void modexFadeOff(word fade, byte *palette);\r
-void modexFlashOn(word fade, byte *palette);\r
-void modexFlashOff(word fade, byte *palette);\r
-\r
-/* palette loading and saving */\r
-void modexPalSave(byte *palette);\r
-byte *modexNewPal();\r
-void modexLoadPalFile(char *filename, byte **palette);\r
-void modexSavePalFile(char *filename, byte *palette);\r
-\r
-/* fixed palette functions */\r
-void modexPalBlack();\r
-void modexPalWhite();\r
-\r
-/* utility functions */\r
-void modexPalUpdate(byte *p);\r
-void modexWaitBorder();\r
-\r
-/* bitmap functions */\r
-bitmap_t modexLoadPcx(char *filename);\r
-\r
-/* -======================= Constants & Vars ==========================- */\r
-extern byte far* VGA; /* The VGA Memory */\r
-#define SCREEN_SEG 0xa000\r
-#define VIDEO_INT 0x10\r
-#define SET_MODE 0x00\r
-#define VGA_256_COLOR_MODE 0x13\r
-#define TEXT_MODE 0x03\r
-#define SCREEN_WIDTH 320\r
-#define SCREEN_HEIGHT 240\r
-#define PAGE_SIZE (word)(SCREEN_WIDTH/4 * SCREEN_HEIGHT)\r
-\r
-#define AC_INDEX 0x03c0\r
-#define SC_INDEX 0x03c4\r
-#define SC_DATA 0x03c5\r
-#define CRTC_INDEX 0x03d4\r
-#define CRTC_DATA 0x03d5\r
-#define MISC_OUTPUT 0x03c2\r
-#define HIGH_ADDRESS 0x0C\r
-#define LOW_ADDRESS 0x0D\r
-#define VRETRACE 0x08\r
-#define INPUT_STATUS_1 0x03da\r
-#define DISPLAY_ENABLE 0x01\r
-#define MAP_MASK 0x02\r
-#define PAL_READ_REG 0x03C7 /* Color register, read address */\r
-#define PAL_WRITE_REG 0x03C8 /* Color register, write address */\r
-#define PAL_DATA_REG 0x03C9 /* Color register, data port */\r
-#define PAL_SIZE (256 * 3)\r
-#endif\r
page=modexDefaultPage();\r
\r
bmp = modexLoadPcx("ed.pcx");\r
- modexEnter();\r
+ setvideo(1);\r
\r
/* fix up the palette and everything */\r
modexPalUpdate(bmp.palette);\r
modexDrawSprite(&page, 20, 20, &bmp);\r
}\r
t4 = (*clock-start) / 18.2;\r
- modexLeave();\r
+ setvideo(0);\r
\r
printf("Old non-sprite: %f\n", t1);\r
printf("New non-sprite: %f\n", t2);\r
\r
word far* clock= (word far*) 0x046C; /* 18.2hz clock */\r
\r
-void main() {\r
+void main() {
+ bitmap_t bmp;\r
int i, j;\r
word start, end;\r
page_t page, page2;\r
float elapsed;\r
byte *pal, *pal2=NULL;\r
\r
+ /* load pcx file */\r
+ bmp = modexLoadPcx("ed.pcx");\r
+\r
/* load our palette */\r
modexLoadPalFile("gfx.pal", &pal2);\r
\r
modexFadeOff(1, pal);\r
modexPalBlack();\r
\r
- modexEnter();\r
+ setvideo(1);\r
modexPalBlack();\r
\r
/* set up the page, but with 16 pixels on all borders in offscreen mem */\r
modexClearRegion(&page, 48, 48, SCREEN_WIDTH-64, SCREEN_HEIGHT-64, 128);\r
modexShowPage(&page);\r
\r
+ modexDrawSprite(&page, 20, 20, &bmp);\r
+ //modexDrawBmp(&page, xb, yb, &bmp);\r
+\r
/* fade in */\r
modexFadeOn(1, pal2);\r
\r
\r
start = *clock;\r
- for(i=0; i<5; i++) {\r
+ //for(i=0; i<5; i++) {\r
+ while (!kbhit()){ /* Wait for a keystroke */\r
/* go right */\r
for(j=0; j<32; j++) {\r
page.dx++;\r
}\r
}\r
\r
+ (void) getch(); /* Clear the keyboard buffer */\r
end = *clock;\r
\r
/* fade back to text mode */\r
modexFadeOff(1, pal2);\r
modexPalBlack();\r
- modexLeave();\r
+ setvideo(0);\r
modexPalBlack();\r
modexFadeOn(1, pal);\r
}\r
\r
page=modexDefaultPage();\r
\r
- modexEnter();\r
+ setvideo(1);\r
start = *clock;\r
for(i=0; i<500; i++) {\r
modexShowPage(&page);\r
}\r
t1 = (*clock - start)/18.2;\r
- modexLeave();\r
+ setvideo(0);\r
\r
printf("Time: %f\n", t1);\r
}\r
projects / 16.git / commitdiff