X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fmodex16.c;h=02fc24062c5d8760fe21a995a2b2c89a68f31b0d;hb=ffd855e814f3aa4f300915ffca12be6f5763e608;hp=0137b625e95302afa459d1020a63ca1786ebb5c7;hpb=fdda3e0aec6ed31959bf39263116dc5f6a481a4b;p=16.git diff --git a/src/lib/modex16.c b/src/lib/modex16.c index 0137b625..02fc2406 100644 --- a/src/lib/modex16.c +++ b/src/lib/modex16.c @@ -1,16 +1,64 @@ -#include -#include -#include +/* Project 16 Source Code~ + * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669 + * + * This file is part of Project 16. + * + * Project 16 is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * Project 16 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see , or + * write to the Free Software Foundation, Inc., 51 Franklin Street, + * Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + #include #include #include -#include "src\lib\modex16.h" - +#include "src/lib/modex16.h" -byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */ +byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */ static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette); static byte tmppal[PAL_SIZE]; +//int old_mode; + +///////////////////////////////////////////////////////////////////////////// +// // +// setvideo() - This function Manages the video modes // +// // +///////////////////////////////////////////////////////////////////////////// +void VGAmodeX(sword vq, global_game_variables_t *gv) +{ + union REGS in, out; + + if(!vq) + { // deinit the video + // change to the video mode we were in before we switched to mode 13h + modexLeave(); + in.h.ah = 0x00; + in.h.al = gv->old_mode; + int86(0x10, &in, &out); + + } + else if(vq==1) + { // init the video + // get old video mode + in.h.ah = 0xf; + int86(0x10, &in, &out); + gv->old_mode = out.h.al; + // enter mode + modexEnter(); + } +} static void vgaSetMode(byte mode) @@ -29,16 +77,16 @@ modexEnter() { word i; dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */ word CRTParms[] = { - 0x0d06, /* vertical total */ - 0x3e07, /* overflow (bit 8 of vertical counts) */ - 0x4109, /* cell height (2 to double-scan */ - 0xea10, /* v sync start */ - 0xac11, /* v sync end and protect cr0-cr7 */ - 0xdf12, /* vertical displayed */ - 0x0014, /* turn off dword mode */ - 0xe715, /* v blank start */ - 0x0616, /* v blank end */ - 0xe317 /* turn on byte mode */ + 0x0d06, /* vertical total */ + 0x3e07, /* overflow (bit 8 of vertical counts) */ + 0x4109, /* cell height (2 to double-scan */ + 0xea10, /* v sync start */ + 0xac11, /* v sync end and protect cr0-cr7 */ + 0xdf12, /* vertical displayed */ + 0x0014, /* turn off dword mode */ + 0xe715, /* v blank start */ + 0x0616, /* v blank end */ + 0xe317 /* turn on byte mode */ }; int CRTParmCount = sizeof(CRTParms) / sizeof(CRTParms[0]); @@ -63,13 +111,13 @@ modexEnter() { /* send the CRTParms */ for(i=0; iwidth; result.height = p->height; + result.id = p->id+1; + + return result; +} + +//next page with defined dimentions~ +page_t +modexNextPage0(page_t *p, word x, word y) +{ + page_t result; + + result.data = p->data + (p->width/4)*p->height; /* compute the offset */ + result.dx = 0; + result.dy = 0; + result.width = x; + result.height = y; + result.id = p->id+1; return result; } @@ -138,7 +204,7 @@ modexShowPage(page_t *page) { outp(CRTC_DATA, crtcOffset); /* wait for one retrace */ - while (!(inp(INPUT_STATUS_1) & VRETRACE)); + while (!(inp(INPUT_STATUS_1) & VRETRACE)); /* do PEL panning here */ outp(AC_INDEX, 0x33); @@ -178,43 +244,65 @@ modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) { } __asm { - MOV AX, SCREEN_SEG ; go to the VGA memory - MOV ES, AX - MOV DI, poffset ; go to the first pixel - MOV DX, SC_INDEX ; point to the map mask - MOV AL, MAP_MASK - OUT DX, AL - INC DX - MOV AL, color ; get ready to write colors - SCAN_START: - MOV CX, scanCount ; count the line - MOV BL, AL ; remember color - MOV AL, left ; do the left clip - OUT DX, AL ; set the left clip - MOV AL, BL ; restore color - STOSB ; write the color - DEC CX - JZ SCAN_DONE ; handle 1 group stuff - - ;-- write the main body of the scanline - MOV BL, AL ; remember color - MOV AL, 0x0f ; write to all pixels - OUT DX, AL - MOV AL, BL ; restore color - REP STOSB ; write the color - SCAN_DONE: - MOV BL, AL ; remeber color - MOV AL, right - OUT DX, AL ; do the right clip - MOV AL, BL ; restore color - STOSB ; write pixel - ADD DI, nextRow ; go to the next row - DEC h - JNZ SCAN_START + MOV AX, SCREEN_SEG ; go to the VGA memory + MOV ES, AX + MOV DI, poffset ; go to the first pixel + MOV DX, SC_INDEX ; point to the map mask + MOV AL, MAP_MASK + OUT DX, AL + INC DX + MOV AL, color ; get ready to write colors + SCAN_START: + MOV CX, scanCount ; count the line + MOV BL, AL ; remember color + MOV AL, left ; do the left clip + OUT DX, AL ; set the left clip + MOV AL, BL ; restore color + STOSB ; write the color + DEC CX + JZ SCAN_DONE ; handle 1 group stuff + + ;-- write the main body of the scanline + MOV BL, AL ; remember color + MOV AL, 0x0f ; write to all pixels + OUT DX, AL + MOV AL, BL ; restore color + REP STOSB ; write the color + SCAN_DONE: + MOV BL, AL ; remeber color + MOV AL, right + OUT DX, AL ; do the right clip + MOV AL, BL ; restore color + STOSB ; write pixel + ADD DI, nextRow ; go to the next row + DEC h + JNZ SCAN_START } } +void +oldDrawBmp(byte far* page, int x, int y, bitmap_t *bmp, byte sprite) +{ + byte plane; + word px, py; + word offset; + + /* TODO Make this fast. It's SLOOOOOOW */ + for(plane=0; plane < 4; plane++) { + modexSelectPlane(PLANE(plane+x)); + for(px = plane; px < bmp->width; px+=4) { + offset=px; + for(py=0; pyheight; py++) { + if(!sprite || bmp->data[offset]) + page[PAGE_OFFSET(x+px, y+py)] = bmp->data[offset]; + offset+=bmp->width; + } + } + } +} + + void modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp) { /* draw the region (the entire freakin bitmap) */ @@ -226,7 +314,7 @@ void modexDrawBmpRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp) { word poffset = (word) page->data + y*(page->width/4) + x/4; - byte *data = bmp->data; + byte *data = bmp->data;//+bmp->offset; word bmpOffset = (word) data + ry * bmp->width + rx; word width = rw; word height = rh; @@ -237,51 +325,51 @@ modexDrawBmpRegion(page_t *page, int x, int y, word rowCounter; byte planeCounter = 4; - //code is a bit slow here + //code is a bit slow here __asm { - MOV AX, SCREEN_SEG ; go to the VGA memory - MOV ES, AX - - MOV DX, SC_INDEX ; point at the map mask register - MOV AL, MAP_MASK ; - OUT DX, AL ; - - PLANE_LOOP: - MOV DX, SC_DATA ; select the current plane - MOV AL, plane ; - OUT DX, AL ; - - ;-- begin plane painting - MOV AX, height ; start the row counter - MOV rowCounter, AX ; - MOV DI, poffset ; go to the first pixel - MOV SI, bmpOffset ; go to the bmp pixel - ROW_LOOP: - MOV CX, width ; count the columns - SCAN_LOOP: - MOVSB ; copy the pixel - SUB CX, 3 ; we skip the next 3 - ADD SI, 3 ; skip the bmp pixels - LOOP SCAN_LOOP ; finish the scan - - MOV AX, nextPageRow - ADD DI, AX ; go to the next row on screen - MOV AX, nextBmpRow - ADD SI, AX ; go to the next row on bmp - - DEC rowCounter - JNZ ROW_LOOP ; do all the rows - ;-- end plane painting - - MOV AL, plane ; advance to the next plane - SHL AL, 1 ; - AND AL, 0x0f ; mask the plane properly - MOV plane, AL ; store the plane - - INC bmpOffset ; start bmp at the right spot - - DEC planeCounter - JNZ PLANE_LOOP ; do all 4 planes + MOV AX, SCREEN_SEG ; go to the VGA memory + MOV ES, AX + + MOV DX, SC_INDEX ; point at the map mask register + MOV AL, MAP_MASK ; + OUT DX, AL ; + + PLANE_LOOP: + MOV DX, SC_DATA ; select the current plane + MOV AL, plane ; + OUT DX, AL ; + + ;-- begin plane painting + MOV AX, height ; start the row counter + MOV rowCounter, AX ; + MOV DI, poffset ; go to the first pixel + MOV SI, bmpOffset ; go to the bmp pixel + ROW_LOOP: + MOV CX, width ; count the columns + SCAN_LOOP: + MOVSB ; copy the pixel + SUB CX, 3 ; we skip the next 3 + ADD SI, 3 ; skip the bmp pixels + LOOP SCAN_LOOP ; finish the scan + + MOV AX, nextPageRow + ADD DI, AX ; go to the next row on screen + MOV AX, nextBmpRow + ADD SI, AX ; go to the next row on bmp + + DEC rowCounter + JNZ ROW_LOOP ; do all the rows + ;-- end plane painting + + MOV AL, plane ; advance to the next plane + SHL AL, 1 ; + AND AL, 0x0f ; mask the plane properly + MOV plane, AL ; store the plane + + INC bmpOffset ; start bmp at the right spot + + DEC planeCounter + JNZ PLANE_LOOP ; do all 4 planes } } @@ -289,6 +377,11 @@ modexDrawBmpRegion(page_t *page, int x, int y, void modexDrawPlanarBuf(page_t *page, int x, int y, planar_buf_t *bmp) { /* TODO - adapt from test code */ + int plane; + for(plane=0; plane < 4; plane++) + { + //fack + } } @@ -300,9 +393,9 @@ modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp) { void modexDrawSpriteRegion(page_t *page, int x, int y, - int rx, int ry, int rw, int rh, bitmap_t *bmp) { + int rx, int ry, int rw, int rh, bitmap_t *bmp) { word poffset = (word)page->data + y*(page->width/4) + x/4; - byte *data = bmp->data; + byte *data = bmp->data;//+bmp->offset; word bmpOffset = (word) data + ry * bmp->width + rx; word width = rw; word height = rh; @@ -314,59 +407,59 @@ modexDrawSpriteRegion(page_t *page, int x, int y, byte planeCounter = 4; __asm { - MOV AX, SCREEN_SEG ; go to the VGA memory - MOV ES, AX - - MOV DX, SC_INDEX ; point at the map mask register - MOV AL, MAP_MASK ; - OUT DX, AL ; - - PLANE_LOOP: - MOV DX, SC_DATA ; select the current plane - MOV AL, plane ; - OUT DX, AL ; - - ;-- begin plane painting - MOV AX, height ; start the row counter - MOV rowCounter, AX ; - MOV DI, poffset ; go to the first pixel - MOV SI, bmpOffset ; go to the bmp pixel - ROW_LOOP: - MOV CX, width ; count the columns - SCAN_LOOP: - LODSB - DEC SI - CMP AL, 0 - JNE DRAW_PIXEL ; draw non-zero pixels - - INC DI ; skip the transparent pixel - ADD SI, 1 - JMP NEXT_PIXEL - DRAW_PIXEL: - MOVSB ; copy the pixel - NEXT_PIXEL: - SUB CX, 3 ; we skip the next 3 - ADD SI, 3 ; skip the bmp pixels - LOOP SCAN_LOOP ; finish the scan - - MOV AX, nextPageRow - ADD DI, AX ; go to the next row on screen - MOV AX, nextBmpRow - ADD SI, AX ; go to the next row on bmp - - DEC rowCounter - JNZ ROW_LOOP ; do all the rows - ;-- end plane painting - - MOV AL, plane ; advance to the next plane - SHL AL, 1 ; - AND AL, 0x0f ; mask the plane properly - MOV plane, AL ; store the plane - - INC bmpOffset ; start bmp at the right spot - - DEC planeCounter - JNZ PLANE_LOOP ; do all 4 planes + MOV AX, SCREEN_SEG ; go to the VGA memory + MOV ES, AX + + MOV DX, SC_INDEX ; point at the map mask register + MOV AL, MAP_MASK ; + OUT DX, AL ; + + PLANE_LOOP: + MOV DX, SC_DATA ; select the current plane + MOV AL, plane ; + OUT DX, AL ; + + ;-- begin plane painting + MOV AX, height ; start the row counter + MOV rowCounter, AX ; + MOV DI, poffset ; go to the first pixel + MOV SI, bmpOffset ; go to the bmp pixel + ROW_LOOP: + MOV CX, width ; count the columns + SCAN_LOOP: + LODSB + DEC SI + CMP AL, 0 + JNE DRAW_PIXEL ; draw non-zero pixels + + INC DI ; skip the transparent pixel + ADD SI, 1 + JMP NEXT_PIXEL + DRAW_PIXEL: + MOVSB ; copy the pixel + NEXT_PIXEL: + SUB CX, 3 ; we skip the next 3 + ADD SI, 3 ; skip the bmp pixels + LOOP SCAN_LOOP ; finish the scan + + MOV AX, nextPageRow + ADD DI, AX ; go to the next row on screen + MOV AX, nextBmpRow + ADD SI, AX ; go to the next row on bmp + + DEC rowCounter + JNZ ROW_LOOP ; do all the rows + ;-- end plane painting + + MOV AL, plane ; advance to the next plane + SHL AL, 1 ; + AND AL, 0x0f ; mask the plane properly + MOV plane, AL ; store the plane + + INC bmpOffset ; start bmp at the right spot + + DEC planeCounter + JNZ PLANE_LOOP ; do all 4 planes } } @@ -377,9 +470,9 @@ modexDrawSpriteRegion(page_t *page, int x, int y, */ void modexCopyPageRegion(page_t *dest, page_t *src, - word sx, word sy, - word dx, word dy, - word width, word height) + word sx, word sy, + word dx, word dy, + word width, word height) { word doffset = (word)dest->data + dy*(dest->width/4) + dx/4; word soffset = (word)src->data + sy*(src->width/4) + sx/4; @@ -392,54 +485,54 @@ modexCopyPageRegion(page_t *dest, page_t *src, byte right = rclip[(sx+width)&0x03]; __asm { - MOV AX, SCREEN_SEG ; work in the vga space - MOV ES, AX ; - MOV DI, doffset ; - MOV SI, soffset ; - - MOV DX, GC_INDEX ; turn off cpu bits - MOV AX, 0008h ; - OUT DX, AX - - MOV AX, SC_INDEX ; point to the mask register - MOV DX, AX ; - MOV AL, MAP_MASK ; - OUT DX, AL ; - INC DX ; - - ROW_START: - PUSH DS - MOV AX, ES - MOV DS, AX - MOV CX, scans ; the number of latches - - MOV AL, left ; do the left column - OUT DX, AL ; - MOVSB ; - DEC CX ; - - MOV AL, 0fh ; do the inner columns - OUT DX, AL - REP MOVSB ; copy the pixels - - MOV AL, right ; do the right column - OUT DX, AL - MOVSB - POP DS - - MOV AX, SI ; go the start of the next row - ADD AX, nextSrcRow ; - MOV SI, AX ; - MOV AX, DI ; - ADD AX, nextDestRow ; - MOV DI, AX ; - - DEC height ; do the rest of the actions - JNZ ROW_START ; - - MOV DX, GC_INDEX+1 ; go back to CPU data - MOV AL, 0ffh ; none from latches - OUT DX, AL ; + MOV AX, SCREEN_SEG ; work in the vga space + MOV ES, AX ; + MOV DI, doffset ; + MOV SI, soffset ; + + MOV DX, GC_INDEX ; turn off cpu bits + MOV AX, 0008h ; + OUT DX, AX + + MOV AX, SC_INDEX ; point to the mask register + MOV DX, AX ; + MOV AL, MAP_MASK ; + OUT DX, AL ; + INC DX ; + + ROW_START: + PUSH DS + MOV AX, ES + MOV DS, AX + MOV CX, scans ; the number of latches + + MOV AL, left ; do the left column + OUT DX, AL ; + MOVSB ; + DEC CX ; + + MOV AL, 0fh ; do the inner columns + OUT DX, AL + REP MOVSB ; copy the pixels + + MOV AL, right ; do the right column + OUT DX, AL + MOVSB + POP DS + + MOV AX, SI ; go the start of the next row + ADD AX, nextSrcRow ; + MOV SI, AX ; + MOV AX, DI ; + ADD AX, nextDestRow ; + MOV DI, AX ; + + DEC height ; do the rest of the actions + JNZ ROW_START ; + + MOV DX, GC_INDEX+1 ; go back to CPU data + MOV AL, 0ffh ; none from latches + OUT DX, AL ; } } @@ -476,22 +569,22 @@ fadePalette(sbyte fade, sbyte start, word iter, byte *palette) { /* handle the case where we just update */ if(iter == 0) { - modexPalUpdate(palette); - return; + modexPalUpdate1(palette); + return; } while(iter > 0) { /* FadeLoop */ - for(i=0; i 127) { - tmppal[i] = 0; - } else if(tmppal[i] > 63) { - tmppal[i] = 63; - } - } - modexPalUpdate(tmppal); - iter--; - dim += fade; + for(i=0; i 127) { + tmppal[i] = 0; + } else if(tmppal[i] > 63) { + tmppal[i] = 63; + } + } + modexPalUpdate1(tmppal); + iter--; + dim += fade; } } @@ -501,9 +594,9 @@ void modexPalSave(byte *palette) { int i; - outp(PAL_READ_REG, 0); /* start at palette entry 0 */ + outp(PAL_READ_REG, 0); /* start at palette entry 0 */ for(i=0; ipalette; + word w=0; + word q=0; + word qq=0; + static word a[PAL_SIZE]; //palette array of change values! + word z=0, aq=0, aa=0, pp=0; + + modexWaitBorder(); + if((*i)==0) + { + memset(a, -1, sizeof(a)); + outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */ + } + else if(qp==0) + { + q=(*i); + } + else + { + q=(*i); + qq=(*i)/3; +// printf("q: %02d\n", (q)); +// printf("qq: %02d\n", (qq)); + //printf(" (*i)-q=%02d\n", (*i)-q); + outp(PAL_WRITE_REG, qq); /* start at the beginning of palette */ + } + if((*i)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 + 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])) + { + w++; + break; + } + else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3)) + { + //printf("qp=%d\n", qp); + //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]); + printf(" %d's color=%d\n", (*i), (a[qp])-(bmp->offset*3)+qp); + //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit! + if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; } + } + else + { + if(bmp->offset==0 && (*i)<3 && q==0) outp(PAL_DATA_REG, 0); + else + if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]); + else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]); + printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); } + } + } + //if(qp>0) printf("qp=%d\n", qp); + //if(qp>0) printf(" (*i)=%d\n", (*i)/3); + } + modexWaitBorder(); /* waits one retrace -- less flicker */ + if((*i)>=PAL_SIZE/2 && w==0) + { + for(; (*i)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 + 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])) + { + w++; + break; + } + else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3)) + { + //printf("qp=%d\n", qp); + //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]); + printf(" %d's color=%d\n", (*i), (a[qp]-(bmp->offset*3)+qp)); + //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit! + if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; } + } + else + { + if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]); + else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]); + printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); } + } + } + //printf(" (*i)=%d\n", (*i)/3); + } + +printf("\nqqqqqqqq\n\n"); + + //palette checker~ + if(q>0 && qp==0) + { + long lq; + long bufSize = (bmp->width * bmp->height); + pp = q; + //printf("1(*i)=%02d\n", (*i)/3); + //printf("1z=%02d\n", z/3); + chkcolor(bmp, &q, &a, &aa, &z, i); + //printf("2(*i)=%02d\n", (*i)/3); + //printf("2z=%02d\n", z/3); + aq=0; +aqpee: + while(aq<=aa) + { +// printf("a[%02d]=(%d)\n", aq, a[aq]); + if(a[aq]==-1) aq++; + else { aqoffset++; break; } + } +//update the image data here! + for(lq=0; lqoffset for this spot! + NO! wwww + */ + + /* + Facking bloody point the values of the changed palette to correct values.... major confusion! wwww + */ + + //(offset/bmp->offset)*bmp->offset + + + //printf("%02d ",bmp->data[lq]+bmp->offset); + //if(lq > 0 && lq%bmp->width==0) printf("\n"); + //printf("%02d_", bmp->data[lq]+bmp->offset); + /*if(bmp->data[lq]+bmp->offset==aq) + { + //printf("%02d", bmp->data[lq]); + //printf("\n%02d\n", bmp->offset); + printf("aq=%02d ", aq); + printf("a[aq]=%02d ", a[aq]); + printf("a[aq]+aqpp=%02d ", a[aq]+aqpp); + printf("a[aq]-aqpp=%02d\n", a[aq]-aqpp); + //bmp->data[lq]=((bmp->data[lq]+bmp->offset)-a[aq]); +//++++ bmp->data[lq]=a[aq]-aqpp; +// printf("_%d ", bmp->data[lq]); + //if(lq > 0 && lq%bmp->width==0) printf("\n"); + } + else if(bmp->data[lq]+bmp->offset < ((*i)/3)-aqpp) + { + if(bmp->data[lq]+bmp->offset >= aq) + { + bmp->data[lq]=(bmp->data[lq]+bmp->offset)-aqpp;//-((z-(*i))/3); + //printf("_%d ", bmp->data[lq]+bmp->offset)-aqpp-((z-(*i))/3); + } + else bmp->data[lq]+=(bmp->offset-aqpp); + }*/ + + //printf("%02d`", bmp->data[lq]); + //if(lq > 0 && lq%bmp->width==0) printf("\n"); + } + +//printf(" aq=%02d\n", aq); +//printf(" aa=%02d\n", aa); + + //update the palette~ + modexPalUpdate(bmp, &pp, aq, aqoffset); + (*i)=pp; + + if(aqdata; + /* Each address accesses four neighboring pixels, so set + Write Plane Enable according to which pixel we want + to modify. The plane is determined by the two least + significant bits of the x-coordinate: */ + modexSelectPlane(PLANE(x)); + //outp(SC_INDEX, 0x02); + //outp(SC_DATA, 0x01 << (x & 3)); + + /* The offset of the pixel into the video segment is + offset = (width * y + x) / 4, and write the given + color to the plane we selected above. Heed the active + page start selection. */ + VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color; + +} + +byte modexgetPixel(page_t *page, int x, int y) +{ + word pageOff = (word) page->data; + /* Select the plane from which we must read the pixel color: */ + outpw(GC_INDEX, 0x04); + outpw(GC_INDEX+1, x & 3); + + return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff]; + } +void modexhlin(page_t *page, word xl, word xh, word y, word color) +{ + word x; + word yy=0; + + for(x=0;x=SCREEN_WIDTH-1){ x=0; yy+=4; } + modexClearRegion(page, x+xl, y+yy, 4, 4, color); + } + //modexputPixel(page, x+xl, y, color); +} + +void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str) +{ + word i, s, o, w, j, xp; + byte l[1024]; + word addr = (word) l; + word chw=0; + byte c; + + switch(t) + { + case 0: + w=14; + break; + case 1: + w=8; + break; + case 2: + w=8; + break; + case 3: + w=16; + break; + default: + t=3; + w=16; + break; + } + + s=romFonts[t].seg; + o=romFonts[t].off; + + for(; *str != '\0'; str++) + { + c = (*str); + if((c=='\n'/* || c=="\ +"*/) || chw +>=page->width) + { + chw=0; + y+=w; + continue; + } + //load the letter 'A' + __asm { + MOV DI, addr + MOV SI, o + MOV ES, s + SUB AH, AH + MOV AL, c ; the letter + MOV CX, w + MUL CX + ADD SI, AX ;the address of charcter + L1: MOV AX, ES:SI + MOV DS:DI, AX + INC SI + INC DI + DEC CX + JNZ L1 + } + + for(i=0; i>=1; + } + } + chw += xp; + } +} + +void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str) +{ + word i, s, o, w, j, xp; + byte l[1024]; + word addr = (word) l; + word chw=0; + byte c; + + switch(t) + { + case 0: + w=14; + break; + case 1: + w=8; + break; + case 2: + w=8; + break; + case 3: + w=16; + break; + default: + t=3; + w=16; + break; + } + + s=romFonts[t].seg; + o=romFonts[t].off; + + for(; *str != '\0'; str++) + { + c = (*str); + if((c=='\n'/* || c=="\ +"*/)/* || chw>=page->width*/) + { + chw=0; + y+=w; + continue; + } + //load the letter 'A' + __asm { + MOV DI, addr + MOV SI, o + MOV ES, s + SUB AH, AH + MOV AL, c ; the letter + MOV CX, w + MUL CX + ADD SI, AX ;the address of charcter + L1: MOV AX, ES:SI + MOV DS:DI, AX + INC SI + INC DI + DEC CX + JNZ L1 + } + + for(i=0; i>=1; + } + } + chw += xp; + } +} void modexWaitBorder() { while(inp(INPUT_STATUS_1) & 8) { - /* spin */ + /* spin */ } while(!(inp(INPUT_STATUS_1) & 8)) { - /* spin */ + /* spin */ } }