-/* 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 <http://www.gnu.org/licenses/>, or
- * write to the Free Software Foundation, Inc., 51 Franklin Street,
- * Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include <dos.h>
-#include <string.h>
-#include <mem.h>
-#include <conio.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "src/lib/modex16.h"
-
-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];
-
-static void
-vgaSetMode(byte mode)
-{
- union REGS regs;
-
- regs.h.ah = SET_MODE;
- regs.h.al = mode;
- int86(VIDEO_INT, ®s, ®s);
-}
-
-
-/* -========================= Entry Points ==========================- */
-void
-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 */
- };
- int CRTParmCount = sizeof(CRTParms) / sizeof(CRTParms[0]);
-
- /* TODO save current video mode and palette */
- vgaSetMode(VGA_256_COLOR_MODE);
-
- /* disable chain4 mode */
- outpw(SC_INDEX, 0x0604);
-
- /* synchronous reset while setting Misc Output */
- outpw(SC_INDEX, 0x0100);
-
- /* select 25 MHz dot clock & 60 Hz scanning rate */
- outp(MISC_OUTPUT, 0xe3);
-
- /* undo reset (restart sequencer) */
- outpw(SC_INDEX, 0x0300);
-
- /* reprogram the CRT controller */
- outp(CRTC_INDEX, 0x11); /* VSync End reg contains register write prot */
- outp(CRTC_DATA, 0x7f); /* get current write protect on varios regs */
-
- /* send the CRTParms */
- for(i=0; i<CRTParmCount; i++) {
- outpw(CRTC_INDEX, CRTParms[i]);
- }
-
- /* clear video memory */
- outpw(SC_INDEX, 0x0f02);
- for(i=0; i<0x8000; i++) {
- ptr[i] = 0x0000;
- }
-}
-
-
-void
-modexLeave() {
- /* TODO restore original mode and palette */
- vgaSetMode(TEXT_MODE);
-}
-
-
-page_t
-modexDefaultPage() {
- page_t page;
-
- /* default page values */
- page.data = VGA;
- page.dx = 0;
- page.dy = 0;
- page.width = SCREEN_WIDTH;
- page.height = SCREEN_HEIGHT;
- page.id = 0;
-
- return page;
-}
-
-/* returns the next page in contiguous memory
- * the next page will be the same size as p, by default
- */
-page_t
-modexNextPage(page_t *p) {
- page_t result;
-
- result.data = p->data + (p->width/4)*p->height; /* compute the offset */
- result.dx = 0;
- result.dy = 0;
- result.width = p->width;
- 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;
-}
-
-
-void
-modexShowPage(page_t *page) {
- word high_address;
- word low_address;
- word offset;
- byte crtcOffset;
-
- /* calculate offset */
- offset = (word) page->data;
- offset += page->dy * (page->width >> 2 );
- offset += page->dx >> 2;
-
- /* calculate crtcOffset according to virtual width */
- crtcOffset = page->width >> 3;
-
- high_address = HIGH_ADDRESS | (offset & 0xff00);
- low_address = LOW_ADDRESS | (offset << 8);
-
- /* wait for appropriate timing and then program CRTC */
- while ((inp(INPUT_STATUS_1) & DISPLAY_ENABLE));
- outpw(CRTC_INDEX, high_address);
- outpw(CRTC_INDEX, low_address);
- outp(CRTC_INDEX, 0x13);
- outp(CRTC_DATA, crtcOffset);
-
- /* wait for one retrace */
- while (!(inp(INPUT_STATUS_1) & VRETRACE));
-
- /* do PEL panning here */
- outp(AC_INDEX, 0x33);
- outp(AC_INDEX, (page->dx & 0x03) << 1);
-}
-
-
-void
-modexPanPage(page_t *page, int dx, int dy) {
- page->dx = dx;
- page->dy = dy;
-}
-
-
-void
-modexSelectPlane(byte plane) {
- outp(SC_INDEX, MAP_MASK); /* select plane */
- outp(SC_DATA, plane);
-}
-
-
-void
-modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) {
- word pageOff = (word) page->data;
- word xoff=x/4; /* xoffset that begins each row */
- word scanCount=w/4; /* number of iterations per row (excluding right clip)*/
- word poffset = pageOff + y*(page->width/4) + xoff; /* starting offset */
- word nextRow = page->width/4-scanCount-1; /* loc of next row */
- byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */
- byte rclip[] = {0x00, 0x01, 0x03, 0x07};
- byte left = lclip[x&0x03];
- byte right = rclip[(x+w)&0x03];
-
- /* handle the case which requires an extra group */
- if((x & 0x03) && !((x+w) & 0x03)) {
- right=0x0f;
- }
-
- __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
- }
-}
-
-
-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; py<bmp->height; 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) */
- modexDrawBmpRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);
-}
-
-
-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;//+bmp->offset;
- word bmpOffset = (word) data + ry * bmp->width + rx;
- word width = rw;
- word height = rh;
- byte plane = 1 << ((byte) x & 0x03);
- word scanCount = width/4 + (width%4 ? 1 :0);
- word nextPageRow = page->width/4 - scanCount;
- word nextBmpRow = (word) bmp->width - width;
- word rowCounter;
- byte planeCounter = 4;
-
- //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
- }
-}
-
-
-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
- }
-}
-
-
-void
-modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp) {
- /* draw the whole sprite */
- modexDrawSpriteRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);
-}
-
-void
-modexDrawSpriteRegion(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;//+bmp->offset;
- word bmpOffset = (word) data + ry * bmp->width + rx;
- word width = rw;
- word height = rh;
- byte plane = 1 << ((byte) x & 0x03);
- word scanCount = width/4 + (width%4 ? 1 :0);
- word nextPageRow = page->width/4 - scanCount;
- word nextBmpRow = (word) bmp->width - width;
- word rowCounter;
- 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
- }
-}
-
-
-/* copy a region of video memory from one page to another.
- * It assumes that the left edge of the tile is the same on both
- * regions and the memory areas do not overlap.
- */
-void
-modexCopyPageRegion(page_t *dest, page_t *src,
- 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;
- word scans = width/4;
- word nextSrcRow = src->width/4 - scans - 1;
- word nextDestRow = dest->width/4 - scans - 1;
- byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */
- byte rclip[] = {0x0f, 0x01, 0x03, 0x07};
- byte left = lclip[sx&0x03];
- 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 ;
- }
-}
-
-
-/* fade and flash */
-void
-modexFadeOn(word fade, byte *palette) {
- fadePalette(-fade, 64, 64/fade+1, palette);
-}
-
-
-void
-modexFadeOff(word fade, byte *palette) {
- fadePalette(fade, 0, 64/fade+1, palette);
-}
-
-
-void
-modexFlashOn(word fade, byte *palette) {
- fadePalette(fade, -64, 64/fade+1, palette);
-}
-
-
-void
-modexFlashOff(word fade, byte *palette) {
- fadePalette(-fade, 0, 64/fade+1, palette);
-}
-
-
-static void
-fadePalette(sbyte fade, sbyte start, word iter, byte *palette) {
- word i;
- byte dim = start;
-
- /* handle the case where we just update */
- if(iter == 0) {
- modexPalUpdate1(palette);
- return;
- }
-
- while(iter > 0) { /* FadeLoop */
- for(i=0; i<PAL_SIZE; i++) { /* loadpal_loop */
- tmppal[i] = palette[i] - dim;
- if(tmppal[i] > 127) {
- tmppal[i] = 0;
- } else if(tmppal[i] > 63) {
- tmppal[i] = 63;
- }
- }
- modexPalUpdate1(tmppal);
- iter--;
- dim += fade;
- }
-}
-
-
-/* save and load */
-void
-modexPalSave(byte *palette) {
- int i;
-
- outp(PAL_READ_REG, 0); /* start at palette entry 0 */
- for(i=0; i<PAL_SIZE; i++) {
- palette[i] = inp(PAL_DATA_REG); /* read the palette data */
- }
-}
-
-
-byte *
-modexNewPal() {
- byte *ptr;
- ptr = malloc(PAL_SIZE);
-
- /* handle errors */
- if(!ptr) {
- printf("Could not allocate palette.\n");
- exit(-1);
- }
-
- return ptr;
-}
-
-
-void
-modexLoadPalFile(byte *filename, byte **palette) {
- FILE *file;
- byte *ptr;
-
- /* free the palette if it exists */
- if(*palette) {
- free(*palette);
- }
-
- /* allocate the new palette */
- *palette = modexNewPal();
-
- /* open the file */
- file = fopen(filename, "rb");
- if(!file) {
- printf("Could not open palette file: %s\n", filename);
- exit(-2);
- }
-
- /* read the file */
- ptr = *palette;
- while(!feof(file)) {
- *ptr++ = fgetc(file);
- }
-
- fclose(file);
-}
-
-
-void
-modexSavePalFile(char *filename, byte *pal) {
- unsigned int i;
- FILE *file;
-
- /* open the file for writing */
- file = fopen(filename, "wb");
- if(!file) {
- printf("Could not open %s for writing\n", filename);
- exit(-2);
- }
-
- /* write the data to the file */
- fwrite(pal, 1, PAL_SIZE, file);
- fclose(file);
-}
-
-
-/* blanking */
-void
-modexPalBlack() {
- fadePalette(-1, 64, 1, tmppal);
-}
-
-
-void
-modexPalWhite() {
- fadePalette(-1, -64, 1, tmppal);
-}
-
-
-/* utility */
-void
-modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset)
-{
- byte *p = bmp->palette;
- 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)<PAL_SIZE/2 && w==0)
- {
- for(; (*i)<PAL_SIZE/2; (*i)++)
- {
- //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]))
-//____ 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
- 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)<PAL_SIZE; (*i)++)
- {
-//____ 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
- 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; lq<bufSize; lq++)
- {
- /*
- note to self
- use a[qp] instead of bmp->offset 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(aq<aa){ pp=q; aq++; goto aqpee; }
- }
-}
-
-void
-modexPalUpdate1(byte *p)
-{
- int i;
- modexWaitBorder();
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
- for(i=0; i<PAL_SIZE/2; i++)
- {
- outp(PAL_DATA_REG, p[i]);
- }
- modexWaitBorder(); /* waits one retrace -- less flicker */
- for(; i<PAL_SIZE; i++)
- {
- outp(PAL_DATA_REG, p[(i)]);
- }
-}
-
-void
-modexPalUpdate0(byte *p)
-{
- int i;
- modexWaitBorder();
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */
- for(i=0; i<PAL_SIZE/2; i++)
- {
- outp(PAL_DATA_REG, rand());
- }
- modexWaitBorder(); /* waits one retrace -- less flicker */
- for(; i<PAL_SIZE; i++)
- {
- outp(PAL_DATA_REG, rand());
- }
-}
-
-//color checker~
-//i want to make another vesion that checks the palette when the palette is being appened~
-void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/)
-{
- byte *pal;
- word zz=0;
- pal = modexNewPal();
- modexPalSave(pal);
- //printf("q: %02d\n", (*q));
- printf("chkcolor start~\n");
- printf("1 (*z): %d\n", (*z)/3);
- printf("1 (*i): %d\n", (*i)/3);
-// printf("1 offset of color in palette (*q): %d\n", (*q)/3);
- printf("wwwwwwwwwwwwwwww\n");
- //check palette for dups
- for(; (*z)<PAL_SIZE; (*z)+=3)
- {
- //printf("\n z: %d\n", (*z));
- //printf(" q: %d\n", (*q));
- //printf(" z+q: %d\n\n", ((*z)+(*q)));
- //if((*z)%3==0)
- //{
-//---- if(pal[(*z)]==pal[(*z)+3] && pal[(*z)+1]==pal[(*z)+4] && pal[(*z)+2]==pal[(*z)+5])
- if((*z)==(*i))
- {
-// printf("\n%d [%02d][%02d][%02d]\n", (*z), pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
-// printf("%d [%02d][%02d][%02d]\n\n", (*z)+3, pal[(*z)+3], pal[(*z)+4], pal[(*z)+5]);
-//0000 (*z)-=3;
- break;
- }
- else for(zz=0; zz<(*q); zz+=3)
- {
- //printf("zz: %02d\n", zz/3);
- if(zz%3==0)
- {
- 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
- {
-// (*z)-=3;
-// (*i)-=3;
-// printf("\nzq1:%d[%02d][%02d][%02d]\n", (zz+q), pal[(zz+q)], pal[(zz+q)+1], pal[(zz+q)+2]);
-// printf("zq2:%d[%02d][%02d][%02d]\n\n", (zz+q)+3, pal[(zz+q)+3], pal[(zz+q)+4], pal[(zz+q)+5]);
- break;
- }
- else if(pal[zz]==pal[((*z)+(*q))] && pal[zz+1]==pal[((*z)+(*q))+1] && pal[zz+2]==pal[((*z)+(*q))+2])
- {
-// printf("\n\nwwwwwwwwwwwwwwww\n");
-// 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]);
-// 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]);
-// //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]);
-// printf(" z : %d [%02d][%02d][%02d] offset value~\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
-//++++ (*i)--;
-// (*z)--;
- //expand dong here
-/*
-planned features that i plan to implement~
-image that has values on the pallete list!
-wwww
-no... wait.... no wwww
-*/
- //for(zzii=0; zzii<3; zzii++)
- //{
- //printf("z+q: %d\n\n", ((*z)+(*q)));
- a[(((*z)+(*q)))]=zz;
- //}
- (*aa)=(((*z)+(*q)));
- printf("!! a[%02d]: %d\n", (((*z)+(*q))/3), zz/3);
-// printf("\n aa: %d\n\n", (*aa));
-// printf(" a[%02d]=(%02d) offset array i think the palette should be updated again~\n", ((*z)+(*q))/3, a[((*z)+(*q))/3]);
-// printf("wwwwwwwwwwwwwwww\n\n");
- }
- /*else
- {
- printf("================\n");
- printf("zq: %d [%02d][%02d][%02d]\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);
- printf("zz: %d [%02d][%02d][%02d]\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);
- printf("z : %d [%02d][%02d][%02d]\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);
- printf("================\n");
- }*/
- //printf("[%d]", (zz+q));
- }
- }
- }
- printf("wwwwwwwwwwwwwwww\n");
- printf("2 (*z): %d\n", (*z)/3);
- printf("2 (*i): %d\n", (*i)/3);
-// printf("2 offset of color in palette (*q): %d\n", (*q)/3);
- printf("chkcolor end~\n");
- free(pal);
-}
-
-void modexpixelwr(word xx, word yy, word PageBase, word Color)
-{
- word x=xx;
- word y=yy;
- __asm
- {
- push bp //preserve caller’s stack frame
- mov bp,sp //point to local stack frame
-
- mov ax,SCREEN_WIDTH
- mul [bp+4/*y*/] //offset of pixel’s scan line in page
- mov bx,[bp+4/*x*/]
- shr bx,1
- shr bx,1 //X/4 = offset of pixel in scan line
- add bx,ax //offset of pixel in page
- add bx,[bp+0/*PageBase*/] //offset of pixel in display memory
- mov ax,SCREEN_SEG
- mov es,ax //point ES:BX to the pixel’s address
-
- mov cl,byte ptr [bp+4/*x*/]
- and cl,011b //CL = pixel’s plane
- mov ax,0100h + MAP_MASK //AL = index in SC of Map Mask reg
- shl ah,cl //set only the bit for the pixel’s plane to 1
- mov dx,SC_INDEX //set the Map Mask to enable only the
- out dx,ax // pixel’s plane
-
- mov al,byte ptr [bp+15/*Color*/]
- mov es:[bx],al //draw the pixel in the desired color
-
- pop bp //restore caller’s stack frame
- }
-}
-
+/* Project 16 Source Code~\r
+ * Copyright (C) 2012-2015 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 version 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 <dos.h>\r
+#include <string.h>\r
+#include <mem.h>\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
+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
+ 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->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
+ result.id = p->id+1;\r
+\r
+ return result;\r
+}\r
+\r
+//next page with defined dimentions~\r
+page_t\r
+modexNextPage0(page_t *p, word x, word y)\r
+{\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 = x;\r
+ result.height = y;\r
+ result.id = p->id+1;\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
+oldDrawBmp(byte far* page, int x, int y, bitmap_t *bmp, byte sprite)\r
+{\r
+ byte plane;\r
+ word px, py;\r
+ word offset;\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++) {\r
+ if(!sprite || bmp->data[offset])\r
+ page[PAGE_OFFSET(x+px, y+py)] = bmp->data[offset];\r
+ offset+=bmp->width;\r
+ }\r
+ }\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;//+bmp->offset;\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
+ //code is a bit slow here\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
+modexDrawPlanarBuf(page_t *page, int x, int y, planar_buf_t *bmp) {\r
+ /* TODO - adapt from test code */\r
+ int plane;\r
+ for(plane=0; plane < 4; plane++)\r
+ {\r
+ //fack\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;//+bmp->offset;\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
+/* 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->width/4) + dx/4;\r
+ word soffset = (word)src->data + sy*(src->width/4) + sx/4;\r
+ word scans = width/4;\r
+ word nextSrcRow = src->width/4 - scans - 1;\r
+ word nextDestRow = dest->width/4 - scans - 1;\r
+ byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */\r
+ byte rclip[] = {0x0f, 0x01, 0x03, 0x07};\r
+ byte left = lclip[sx&0x03];\r
+ byte right = rclip[(sx+width)&0x03];\r
+\r
+ __asm {\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
+}\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
+ 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
+ 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
+ chkcolor(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
+ 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
+ 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
+ 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
+ for(; i<PAL_SIZE; i++)\r
+ {\r
+ outp(PAL_DATA_REG, rand());\r
+ }\r
+}\r
+\r
+//color checker~\r
+//i want to make another vesion that checks the palette when the palette is being appened~\r
+void chkcolor(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(int x, int y, byte color)\r
+{\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
+ 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)((SCREEN_WIDTH/4) * y) + (x / 4) + 0] = color;\r
+\r
+}\r
+\r
+byte modexgetPixel(int x, int y)\r
+{\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)((SCREEN_WIDTH/4) * y) + (x / 4) + 0];\r
+\r
+}\r
+\r
void bputs(/*bmp_t *bmp, */unsigned x, unsigned y, const char *s)\r
{\r
- byte far *font;\r
- //bmp_t src;\r
-\r
- //font = bios_8x8_font();\r
- //src.wd = 8;\r
- //src.ht = 8;\r
- //src.ops = &g_ops1;\r
- for(; *s != '\0'; s++)\r
- {\r
- //src.raster = font + 8 * (*s);\r
- //blit1(&src, bmp, x, y);\r
- x += 8;\r
- }\r
-}
-
-void
-modexWaitBorder() {
- while(inp(INPUT_STATUS_1) & 8) {
- /* spin */
- }
-
- while(!(inp(INPUT_STATUS_1) & 8)) {
- /* spin */
- }
-}
+ byte far *font;\r
+ //bmp_t src;\r
+\r
+ //font = bios_8x8_font();\r
+ //src.wd = 8;\r
+ //src.ht = 8;\r
+ //src.ops = &g_ops1;\r
+ for(; *s != '\0'; s++)\r
+ {\r
+ //src.raster = font + 8 * (*s);\r
+ //blit1(&src, bmp, x, y);\r
+ x += 8;\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
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