-/* 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. */
-/*word text_mask[16] = {
- 0x0002, 0x0102, 0x0202, 0x0302,
- 0x0402, 0x0502, 0x0602, 0x0702,
- 0x0802, 0x0902, 0x0A02, 0x0B02,
- 0x0C02, 0x0D02, 0x0E02, 0x0F02
-};*/
-
-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
-modexWaitBorder() {
- while(inp(INPUT_STATUS_1) & 8) {
- /* spin */
- }
-
- while(!(inp(INPUT_STATUS_1) & 8)) {
- /* spin */
- }
-}
-
-/*****************************************************************************
-find 8x8 font in VGA BIOS ROM
-*****************************************************************************/
-byte far *bios_8x8_font(void)
-{
- byte far *font;
- regs_t regs;
-
-/* use BIOS INT 10h AX=1130h to find font #3 (8x8) in ROM */
- memset(®s, 0, sizeof(regs)); /* for Watcom C */
- regs.w.ax = 0x1130;
- regs.w.bx = 0x0300;
- intr(0x10, ®s);
- font = (byte far *)MK_FP(regs.w.es, regs.w.bp);
- return font;
-}
-
-/*****************************************************************************
-*****************************************************************************/
-void bputs(page_t *pee, int x, int y, const byte far *s)
-{
- //int i, skip;
- byte far *font;
- byte far *font_pntr;
- //byte c, temp;
-
- font = bios_8x8_font();
- //skip = 2 - ((pee->width/4) << 3);
- //printf("font=%Fp\n", font);
- for(; *s != '\0'; s++)
- {
- //src.raster = font + 8 * (*s);
- //BLOODY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!111111111111!!!11!!11!111!11!!1111!!111!11!!1!!!11!11!!1!!111!11!!
-// (*(bmp->data)) = (*(font + 8 * (*s)));
- font_pntr = font + 8 * (*s);
-// font_pntr = font + (c << 3);
-// i=8;
-// while (i--) {
-// temp = *font_pntr++;
-// outpw(SC_INDEX, text_mask[temp & 0x0F]);
- //*vga_ptr++ = color;
-
-// outpw(SC_INDEX, text_mask[temp >> 4]);
- //*vga_ptr-- = color;
- //vga_ptr += widthBytes;
-// }
-
- //printf("fontoffset=%Fp\n", font + 8 * (*s));
- //printf("*fontoffset=%s\n", *(font + 8 * (*s)));
- //printf("w.data=%Fp\n", (w.data));
- //printf("*w.data=%s\n", *(w.data));
- //blit1(&src, bmp, x, y);
-// modexDrawSprite(page, x, y, bmp);
-// modexDrawBmp(page, x, y, bmp);
-// printf("%x\n", (*(font + 8 * (*s))));
- //_fmemset(VGA, *(font + 8 * (*s)), _msize(font));
- //draw text?!?! wwww
-
- modexClearRegion(pee, x, y, 8, 8, 4);
-// x += 8;
- }
-// printf("\n");
-}
+/* Project 16 Source Code~\r
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669\r
+ *\r
+ * This file is part of Project 16.\r
+ *\r
+ * Project 16 is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either verson 3 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Project 16 is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program. If not, see <http://www.gnu.org/licenses/>, or\r
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
+ * Fifth Floor, Boston, MA 02110-1301 USA.\r
+ *\r
+ */\r
+\r
+#include <conio.h>\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include "src/lib/modex16.h"\r
+\r
+byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */\r
+\r
+static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);\r
+static byte tmppal[PAL_SIZE];\r
+\r
+/////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// setvideo() - This function Manages the video modes //\r
+// //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void VGAmodeX(sword vq, boolean cmem, global_game_variables_t *gv)\r
+{\r
+ union REGS in, out;\r
+\r
+ switch (vq)\r
+ {\r
+ case 0: // deinit the video\r
+ // change to the video mode we were in before we switched to mode 13h\r
+ modexLeave();\r
+ in.h.ah = 0x00;\r
+ in.h.al = gv->video.old_mode;\r
+ int86(0x10, &in, &out);\r
+ break;\r
+ default: // init the video\r
+ // get old video mode\r
+ //in.h.ah = 0xf;\r
+ //int86(0x10, &in, &out);\r
+ gv->video.old_mode = vgaGetMode();//out.h.al;\r
+ // enter mode\r
+ modexEnter(vq, cmem, gv);\r
+ break;\r
+ }\r
+}\r
+\r
+static void\r
+vgaSetMode(byte mode)\r
+{\r
+ union REGS regs;\r
+\r
+ regs.h.ah = SET_MODE;\r
+ regs.h.al = mode;\r
+ int86(VIDEO_INT, ®s, ®s);\r
+}\r
+\r
+//---------------------------------------------------\r
+//\r
+// Use the bios to get the current video mode\r
+//\r
+\r
+long\r
+vgaGetMode()\r
+{\r
+ union REGS rg;\r
+\r
+ rg.h.ah = 0x0f;\r
+ int86(VIDEO_INT, &rg, &rg);\r
+\r
+ return rg.h.al;\r
+}\r
+\r
+/* -========================= Entry Points ==========================- */\r
+void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv)\r
+{\r
+ word i;\r
+ dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */\r
+ int CRTParmCount;\r
+ /* common mode X initiation stuff~ */\r
+ modexsetBaseXMode();\r
+\r
+ switch(vq)\r
+ {\r
+ case 1:\r
+ //CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=vga_state.vga_width = 320; // VGA lib currently does not update this\r
+ gv->video.page[0].sh=vga_state.vga_height = 240; // VGA lib currently does not update this\r
+\r
+ /* send the CRTParms */\r
+ /*for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_320x240regs[i]);\r
+ }*/\r
+ {\r
+ struct vga_mode_params cm;\r
+ vga_read_crtc_mode(&cm);\r
+\r
+// 0x5f00, /* Horizontal total */\r
+// 0x4f01, /* horizontal display enable end */\r
+// 0x5002, /* Start horizontal blanking */\r
+// 0x8203, /* End horizontal blanking */\r
+// 0x5404, /* Start horizontal retrace */\r
+// 0x8005, /* End horizontal retrace */\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
+// 0x2813, /* offset/logical width */\r
+// 0x0014, /* turn off dword mode */\r
+// 0xe715, /* v blank start */\r
+// 0x0616, /* v blank end */\r
+// 0xe317 /* turn on byte mode */\r
+\r
+ // 320x240 mode 60Hz\r
+ cm.horizontal_total=0x5f + 5; /* CRTC[0] -5 */\r
+ cm.horizontal_display_end=0x4f + 1; /* CRTC[1] -1 */\r
+ cm.horizontal_blank_start=0x50 + 1; /* CRTC[2] */\r
+ cm.horizontal_blank_end=0x82 + 1; /* CRTC[3] bit 0-4 & CRTC[5] bit 7 */\r
+ cm.horizontal_start_retrace=0x54;/* CRTC[4] */\r
+ cm.horizontal_end_retrace=0x80; /* CRTC[5] bit 0-4 */\r
+ //cm.horizontal_start_delay_after_total=0x3e; /* CRTC[3] bit 5-6 */\r
+ //cm.horizontal_start_delay_after_retrace=0x41; /* CRTC[5] bit 5-6 */\r
+ cm.vertical_total = 0x20D + 2;\r
+ cm.vertical_start_retrace = 0x1EA;\r
+ cm.vertical_end_retrace = 0x1EC;\r
+ cm.vertical_display_end = 480;\r
+ cm.vertical_blank_start = 0x1E7 + 1;\r
+ cm.vertical_blank_end = 0x206 + 1;\r
+ cm.clock_select = 0; /* misc register = 0xE3 25MHz */\r
+ cm.vsync_neg = 1;\r
+ cm.hsync_neg = 1;\r
+\r
+ vga_write_crtc_mode(&cm,0);\r
+ }\r
+ break;\r
+ case 2:\r
+ CRTParmCount = sizeof(ModeX_160x120regs) / sizeof(ModeX_160x120regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=120;\r
+ gv->video.page[0].sh=160;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_160x120regs[i]);\r
+ }\r
+ break;\r
+ case 3:\r
+ CRTParmCount = sizeof(ModeX_320x200regs) / sizeof(ModeX_320x200regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=320;\r
+ gv->video.page[0].sh=200;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_320x200regs[i]);\r
+ }\r
+ break;\r
+ case 4:\r
+ CRTParmCount = sizeof(ModeX_192x144regs) / sizeof(ModeX_192x144regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=192;\r
+ gv->video.page[0].sh=144;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_192x144regs[i]);\r
+ }\r
+ break;\r
+ case 5:\r
+ CRTParmCount = sizeof(ModeX_256x192regs) / sizeof(ModeX_256x192regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=256;\r
+ gv->video.page[0].sh=192;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_256x192regs[i]);\r
+ }\r
+ break;\r
+ }\r
+\r
+ /* clear video memory */\r
+ switch (cmem)\r
+ {\r
+ case 1:\r
+ /* clear video memory */\r
+ vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);\r
+ for(i=0; i<0x8000; i++) ptr[i] = 0x0000;\r
+ break;\r
+ }\r
+ gv->video.page[0].tilesw = gv->video.page[0].sw/TILEWH;\r
+ gv->video.page[0].tilesh = gv->video.page[0].sh/TILEWH;\r
+ //TODO MAKE FLEXIBLE~\r
+ gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;\r
+ gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;\r
+ #define PAGE_SIZE (word)(gv->video.page[0].sw/4 * gv->video.page[0].sh)\r
+}\r
+\r
+void\r
+modexLeave() {\r
+ /* TODO restore original mode and palette */\r
+ vgaSetMode(TEXT_MODE);\r
+}\r
+\r
+// setBaseXMode() does the initialization to make the VGA ready to\r
+// accept any combination of configuration register settings. This\r
+// involves enabling writes to index 0 to 7 of the CRT controller (port\r
+// 0x3D4), by clearing the most significant bit (bit 7) of index 0x11.\r
+void\r
+modexsetBaseXMode()\r
+{\r
+ /* TODO save current video mode and palette */\r
+ vgaSetMode(VGA_256_COLOR_MODE);\r
+ vga_enable_256color_modex();\r
+ update_state_from_vga();\r
+}\r
+\r
+page_t\r
+modexDefaultPage(page_t *p)\r
+{\r
+ page_t page;\r
+\r
+ /* default page values */\r
+ page.data = VGA;\r
+ page.dx = 0;\r
+ page.dy = 0;\r
+ page.sw = p->sw;\r
+ page.sh = p->sh;\r
+ page.width = p->sw;\r
+ page.height = p->sh;\r
+ page.tw = page.sw/TILEWH;\r
+ page.th = page.sh/TILEWH;\r
+ page.tilemidposscreenx = page.tw/2;\r
+ page.tilemidposscreeny = (page.th/2)+1;\r
+ page.tilesw=p->tilesw;\r
+ page.tilesh=p->tilesh;\r
+ //pageSize = p->sw*p->sh;\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;\r
+ result.dx = 0;\r
+ result.dy = 0;\r
+ result.width = p->width;\r
+ result.height = p->height;\r
+ result.tw = p->width/TILEWH;\r
+ result.th = p->height/TILEWH;\r
+ result.id = p->id+1;\r
+\r
+ return result;\r
+// return modexNextPageFlexibleSize(&p, p->width, p->height);\r
+}\r
+\r
+//next page with defined dimentions~\r
+page_t\r
+modexNextPageFlexibleSize(page_t *p, word x, word y)\r
+{\r
+ page_t result;\r
+\r
+ result.data = p->data + (p->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.tw = p->width/TILEWH;\r
+ result.th = p->height/TILEWH;\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
+/* moved to src/lib/modex16/16render.c */\r
+\r
+/* copy a region of video memory from one page to another.\r
+ * It assumes that the left edge of the tile is the same on both\r
+ * regions and the memory areas do not overlap.\r
+ */\r
+void\r
+modexCopyPageRegion(page_t *dest, page_t *src,\r
+ word sx, word sy,\r
+ word dx, word dy,\r
+ word width, word height)\r
+{\r
+ word doffset = (word)dest->data + dy*(dest->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
+void\r
+modexPalOverscan(byte *p, word col)\r
+{\r
+ modexWaitBorder();\r
+ outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
+ outp(PAL_DATA_REG, col);\r
+}\r
+\r
+//color checker~\r
+//i want to make another vesion that checks the palette when the palette is being appened~\r
+void 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(page_t *page, int x, int y, byte color)\r
+{\r
+ word pageOff = (word) page->data;\r
+ /* Each address accesses four neighboring pixels, so set\r
+ Write Plane Enable according to which pixel we want\r
+ to modify. The plane is determined by the two least\r
+ significant bits of the x-coordinate: */\r
+ modexSelectPlane(PLANE(x));\r
+ //outp(SC_INDEX, 0x02);\r
+ //outp(SC_DATA, 0x01 << (x & 3));\r
+\r
+ /* The offset of the pixel into the video segment is\r
+ offset = (width * y + x) / 4, and write the given\r
+ color to the plane we selected above. Heed the active\r
+ page start selection. */\r
+ VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color;\r
+\r
+}\r
+\r
+byte modexgetPixel(page_t *page, int x, int y)\r
+{\r
+ word pageOff = (word) page->data;\r
+ /* Select the plane from which we must read the pixel color: */\r
+ outpw(GC_INDEX, 0x04);\r
+ outpw(GC_INDEX+1, x & 3);\r
+\r
+ return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff];\r
+\r
+}\r
+\r
+void modexhlin(page_t *page, word xl, word xh, word y, word color)\r
+{\r
+ word x;\r
+ word yy=0;\r
+\r
+ for(x=0;x<xh*4;x+=4)\r
+ {\r
+ if(x+4>=page[0].sw-1){ x=0; yy+=4; }\r
+ modexClearRegion(page, x+xl, y+yy, 4, 4, color);\r
+ }\r
+ //modexputPixel(page, x+xl, y, color);\r
+}\r
+\r
+void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str, boolean q)\r
+{\r
+ word s, o, w;\r
+ word addr = (word) romFontsData.l;\r
+ byte c;\r
+\r
+ s=romFonts[t].seg;\r
+ o=romFonts[t].off;\r
+ w=romFonts[t].charSize;\r
+ romFontsData.chw=0;\r
+\r
+ for(; *str != '\0'; str++)\r
+ {\r
+ c = (*str);\r
+ if((c=='\n'/* || c=="\\r
+"*/) || romFontsData.chw\r
+>=page->width)\r
+ {\r
+ romFontsData.chw=0;\r
+ y+=romFonts[t].charSize;\r
+ continue;\r
+ }\r
+ //load the letter 'A'\r
+ __asm {\r
+ MOV DI, addr\r
+ MOV SI, o\r
+ MOV ES, s\r
+ SUB AH, AH\r
+ MOV AL, c ; the letter\r
+ MOV CX, w\r
+ MUL CX\r
+ ADD SI, AX ;the address of charcter\r
+ L1: MOV AX, ES:SI\r
+ MOV DS:DI, AX\r
+ INC SI\r
+ INC DI\r
+ DEC CX\r
+ JNZ L1\r
+ }\r
+//TODO: OPTIMIZE THIS!!!!\r
+ modexDrawCharPBuf(page, x, y, t, col, bgcol, q);\r
+\r
+ //if(!q) getch();\r
+ }\r
+}\r
+\r
+void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
+{\r
+ word i, s, o, w, j, xp;\r
+ byte l[1024];\r
+ word addr = (word) l;\r
+ word chw=0;\r
+ byte c;\r
+\r
+ switch(t)\r
+ {\r
+ case 0:\r
+ w=14;\r
+ break;\r
+ case 1:\r
+ w=8;\r
+ break;\r
+ case 2:\r
+ w=8;\r
+ break;\r
+ case 3:\r
+ w=16;\r
+ break;\r
+ default:\r
+ t=3;\r
+ w=16;\r
+ break;\r
+ }\r
+\r
+ s=romFonts[t].seg;\r
+ o=romFonts[t].off;\r
+\r
+ for(; *str != '\0'; str++)\r
+ {\r
+ c = (*str);\r
+ if((c=='\n'/* || c=="\\r
+"*/)/* || chw>=page->width*/)\r
+ {\r
+ chw=0;\r
+ y+=w;\r
+ continue;\r
+ }\r
+ //load the letter 'A'\r
+ __asm {\r
+ MOV DI, addr\r
+ MOV SI, o\r
+ MOV ES, s\r
+ SUB AH, AH\r
+ MOV AL, c ; the letter\r
+ MOV CX, w\r
+ MUL CX\r
+ ADD SI, AX ;the address of charcter\r
+ L1: MOV AX, ES:SI\r
+ MOV DS:DI, AX\r
+ INC SI\r
+ INC DI\r
+ DEC CX\r
+ JNZ L1\r
+ }\r
+\r
+ for(i=0; i<w; i++)\r
+ {\r
+ j=1<<8;\r
+ xp=0;\r
+ while(j)\r
+ {\r
+ //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);\r
+ modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol);\r
+ xp++;\r
+ j>>=1;\r
+ }\r
+ }\r
+ chw += xp;\r
+ }\r
+}\r
+\r
+/* palette dump on display! */\r
+void pdump(page_t *pee)\r
+{\r
+ int mult=(QUADWH);\r
+ int palq=(mult)*TILEWH;\r
+ int palcol=0;\r
+ int palx, paly;\r
+ for(paly=0; paly<palq; paly+=mult){\r
+ for(palx=0; palx<palq; palx+=mult){\r
+ modexClearRegion(pee, palx+TILEWH, paly+TILEWH, mult, mult, palcol);\r
+ palcol++;\r
+ }\r
+ }\r
+}\r
+\r
+/////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// cls() - This clears the screen to the specified color, on the VGA or on //\r
+// the Virtual screen. //\r
+// //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void cls(page_t *page, byte color, byte *Where)\r
+{\r
+ //modexClearRegion(page, 0, 0, page->width, page->height, color);\r
+ /* set map mask to all 4 planes */\r
+ outpw(SC_INDEX, 0xff02);\r
+ //_fmemset(VGA, color, 16000);\r
+ _fmemset(Where, color, page->width*(page->height)/4);\r
+}\r
+\r
+void\r
+modexWaitBorder() {\r
+ while(inp(INPUT_STATUS_1) & 8) {\r
+ /* spin */\r
+ }\r
+\r
+ while(!(inp(INPUT_STATUS_1) & 8)) {\r
+ /* spin */\r
+ }\r
+}\r
projects / 16.git / blobdiff