dos33fsprogs/demos/mode7_demo/docs/make_table.c
Vince Weaver b1238af49d re-arranged the entire directory structure
this will probably upset people
2021-01-05 15:29:31 -05:00

194 lines
3.4 KiB
C

#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#define COLUMNS 40
#define ROWS 48
static short addresses[]={
0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,
0x428,0x4a8,0x528,0x5a8,0x628,0x6a8,0x728,0x7a8,
0x450,0x4d0,0x550,0x5d0,0x650,0x6d0,0x750,0x7d0,
};
static unsigned char image[1024];
static int color(int i,int j) {
int x,y,c;
y=addresses[j/2]-0x400;
x=i;
if (j%2==0) {
c=image[y+x]&0xf;
}
else {
c=((image[y+x])>>4)&0xf;
}
return c;
}
int main(int argc, char **argv) {
int i,j,fd,addr=0,max;
char *filename;
if (argc<2) {
filename=strdup("chiptune.gr");
}
else {
filename=strdup(argv[1]);
}
fd=open(filename,O_RDONLY);
if (fd<0) {
printf("Error operning %s\n",filename);
return -1;
}
read(fd,&image,1024);
close(fd);
// printf("\\documentclass{article}\n");
// printf("\\usepackage{graphicx}\n");
// printf("\\usepackage{colortbl}\n");
// printf("\\begin{document}\n");
/* First plot, interleaved */
printf("\\tabcolsep=0.11cm\n");
printf("\\renewcommand{\\arraystretch}{0.5}\n");
printf("\\begin{tiny}\n");
printf("\\begin{table*}\n");
printf("\\caption{Apple II lores display, 40x48. "
"Note the interleaving of the row addresses. "
"Rows 40-47 are ASCII text being interpreted as graphic blocks.\\label{table:loresmap}}\n");
printf("\\centering\n");
printf("\\begin{tabular}{|l|l|");
for(i=0;i<COLUMNS;i++) printf("c|");
printf("}\n");
printf("\\hline\n");
printf("& &");
for(i=0;i<COLUMNS;i++) {
printf("\\rot{\\tt \\$%02X} ",i);
if (i<COLUMNS-1) printf("&");
}
printf("\\\\\n");
printf("\\hline\n");
printf("& &");
for(i=0;i<COLUMNS;i++) {
printf("\\rot{%d} ",i);
if (i<COLUMNS-1) printf("&");
}
printf("\\\\\n");
for(j=0;j<ROWS;j++) {
if (j%2==0) {
printf("\\hline\n");
printf("\\multirow{2}{*}{\\tt \\$%3X} &",
addresses[j/2]);
}
else {
printf("\\cline{2-42}\n");
printf("&");
}
printf("%d &",j);
for(i=0;i<COLUMNS;i++) {
printf("\\cellcolor{color%d}",
color(i,j));
if (i<COLUMNS-1) printf("&");
else printf("\\\\\n");
}
}
printf("\\hline\n");
printf("\\end{tabular}\n");
printf("\\end{table*}\n");
printf("\\end{tiny}\n");
/* Second plot, this one showing non-interleaved */
printf("\\begin{tiny}\n");
printf("\\begin{table*}\n");
printf("\\caption{Apple II lores raw memory if viewed linearly. "
"Note the screen ``holes'' which pad every third line to a 128 "
"byte boundary. This unused memory can be used by I/O cards. "
"\\label{table:linear}}\n");
printf("\\centering\n");
printf("\\begin{tabular}{|l|l|");
for(i=0;i<COLUMNS+8;i++) printf("c|");
printf("}\n");
// printf("\\hline\n");
addr=0x400;
for(j=0;j<ROWS;j++) {
if (j%2==0) {
printf("\\hline\n");
printf("\\multirow{2}{*}{\\tt \\$%3X} &",
addr);
}
else {
printf("\\cline{2-42}\n");
printf("&");
}
printf("%d &",j);
if ((j/2)%3==2) {
max=COLUMNS+8;
}
else {
max=COLUMNS;
}
for(i=0;i<max;i++) {
if (j%2==0) {
printf("\\cellcolor{color%d}",
image[(addr-0x400)+i]&0xf);
}
else {
printf("\\cellcolor{color%d}",
(image[(addr-0x400)+i]>>4)&0xf);
}
if (i<max-1) printf("&");
else printf("\\\\\n");
}
if ((j%6)==1) {
addr+=40;
}
else if ((j%6)==3) {
addr+=40;
}
else if ((j%6)==5) {
addr+=40+8;
}
}
printf("\\hline\n");
printf("\\end{tabular}\n");
printf("\\end{table*}\n");
printf("\\end{tiny}\n");
// printf("\\end{document}\n");
return 0;
}