open watcom学习记录之——图形模式下画点阵显示字符

C/C++ code

#define xy 640*480#define color1 0xffff#define color2 0xf800#define pixel_size 2#define lattice_x 8#define lattice_y 8#define word_x0 3#define word_y0 3#define row_word_count 640/lattice_x#define sys_mem_pointer_base 0x200000main(){char text_test[]={0,1,2,3,4,5,6,7,8,9,0xa,0xb,0xc,0xd,0xe,0xf,1,1,1};char *file_point=0x400000;unsigned short int word_sz_i=0;int file_size,file_point_i=0,word_xy=0,word_x,word_y,*sys_mem_pointer=sys_mem_pointer_base,sys_mem_pointer_i=0;int word_point_xy,word_sz_x_i,word_sz_y_i;unsigned short int *p=(short *)0xc0000000,*pmhc=(short *)0x300000;char word_bit_i=0x80,word_sz[]={/*0*/0x7e,0xc3,0xc3,0xc3,0xc3,0xc3,0xc3,0x7e,/*1*/0x18,0x38,0x58,0x18,0x18,0x18,0x18,0xff,/*2*/0xfc,0x03,0x03,0x7e,0xc0,0xc0,0xc0,0xff,/*3*/0Xfe,0x03,0x03,0x7e,0x07,0x03,0x03,0xfe,/*4*/0x0c,0x1d,0x3c,0x6c,0x6c,0xff,0x0c,0x0c,/*5*/0xff,0xc0,0xc0,0xfe,0x03,0x03,0x03,0xfe,/*6*/0x3e,0xc0,0xc0,0xfe,0xc3,0xc3,0xc3,0x3c,/*7*/0x7f,0x03,0x06,0x06,0x0c,0x0c,0x18,0x18,/*8*/0x7e,0xc3,0xc3,0x7e,0xc3,0xc3,0xc3,0x7e,/*9*/0x3c,0xc3,0xc3,0xc3,0x7f,0x03,0x03,0x7e,/*a*/0x7e,0x03,0x03,0x7f,0xc3,0xc3,0xc3,0x7f,/*b*/0xc0,0xc0,0xfe,0xc3,0xc3,0xc3,0xc3,0xfe,/*c*/0x00,0x3e,0x60,0x60,0x60,0x60,0x60,0x3e,/*d*/0x03,0x03,0x7f,0xc3,0xc3,0xc3,0xc3,0x7f,/*e*/0x00,0x3e,0x63,0x63,0x7e,0x60,0x60,0x3e,/*f*/0x00,0x1e,0x30,0x30,0xfe,0x30,0x30,0x30};memcpy(file_point,text_test,sizeof(text_test));sys_mem_pointer[sys_mem_pointer_i++]=(int)pmhc+xy*pixel_size;sys_mem_pointer[sys_mem_pointer_i++]=(int)pmhc;sys_mem_pointer[sys_mem_pointer_i++]=(int)pmhc+xy*pixel_size;_asm{        pushad        mov ax,0x4f02;/*4F02H VESA*/        mov bx,0x4111;/*111----640*480-64K(5:6:5),110------640*480-32K(1:5:5:5)*/        int 0x10        popad        }        memset(pmhc,0xf,xy*pixel_size);memcpy(p,pmhc,xy*pixel_size);word_x=word_x0;word_y=word_y0;word_xy=word_y*row_word_count;word_point_xy=word_xy*lattice_x*lattice_y+word_x*lattice_x;file_size=sizeof(text_test);while(file_point_i<file_size){word_sz_i=file_point[file_point_i++]*8;for (word_sz_y_i=0;word_sz_y_i<8;word_sz_y_i++){ while(word_bit_i>=0x01) {  if(word_bit_i&word_sz[word_sz_i])  {p[word_point_xy]=color2;} word_point_xy++; word_bit_i=word_bit_i>>1; } word_bit_i=0x80; word_sz_i++; word_point_xy=word_point_xy+640-8;}word_point_xy=word_point_xy-640*8+8+2;}getch();        _asm        {        mov ax,3        int 0x10        }return 0;}

C/C++ code

#include <mem.h>#include <stdlib.h>#include <stdio.h>#include <conio.h>#include <graphics.h>const unsigned char bit[8]={128,64,32,16,8,4,2,1};//--------------------void dis(xoff,code)    unsigned int xoff,code;{    unsigned char *buffer;    FILE *hzk;    unsigned long offset;    unsigned int q,w;    int x,y,width;    buffer=calloc(32,1);    if ((code&0xFF00)!=0) {        w=(code&0x00FF)-0xA1;        q=((code>>8)&0x00FF)-0xA1;        offset=q*0x5E+w;        offset*=32;        if ((hzk=fopen("HZK16","rb"))==NULL) {            closegraph();            printf("Can not open HZK16\r\n");            exit(1);        }        fseek(hzk,offset,SEEK_SET);        fread(buffer,1,32,hzk);        fclose(hzk);        width=2;    }    else {        if ((hzk=fopen("ASC16","rb"))==NULL) {            closegraph();            printf("Can not open ASC16\r\n");            exit(1);        }        offset=code*16;        fseek(hzk,offset,SEEK_SET);        fread(buffer,1,16,hzk);        fclose(hzk);        width=1;    }    for (y=0;y<16;y++) for (x=0;x<8*width;x++) {        if (buffer[y*width+x/8]&bit[x%8]) putpixel(xoff+x,y,15);    }    free(buffer);}//--------------------void display(p)    unsigned char *p;{  int i;  unsigned int qw;  i=0;  while (1) {    if (p[i]==0x0D||p[i]==0x1A) break;    if (p[i]>0xA0) {        qw=((unsigned int)p[i]<<8)|((unsigned int)p[i+1]&0x00FF);        dis(8*i,qw);        i+=2;    }    else {        qw=(unsigned int)p[i]&0x00FF;        dis(8*i,qw);        i++;    }  }}//--------------------void main(){    int gdriver = DETECT, gmode, errorcode;    long fl;    FILE *hz;    unsigned char *p;    initgraph(&gdriver, &gmode, "c:\\borlandc\\bgi");    errorcode = graphresult();    if (errorcode != grOk) {       printf("Graphics error: %s\n", grapherrormsg(errorcode));       exit(1);    }    hz=fopen("hz","rb");    fseek(hz,0,SEEK_END);    fl=ftell(hz);    p=calloc((int)fl,sizeof(unsigned char));    rewind(hz);    fread(p,1,(int)fl,hz);    fclose(hz);    display(p);    free(p);    getch();    closegraph();}