mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-08-18 07:29:33 +00:00
194 lines
3.4 KiB
C
194 lines
3.4 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#define COLUMNS 40
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#define ROWS 48
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static short addresses[]={
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0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,
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0x428,0x4a8,0x528,0x5a8,0x628,0x6a8,0x728,0x7a8,
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0x450,0x4d0,0x550,0x5d0,0x650,0x6d0,0x750,0x7d0,
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};
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static unsigned char image[1024];
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static int color(int i,int j) {
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int x,y,c;
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y=addresses[j/2]-0x400;
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x=i;
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if (j%2==0) {
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c=image[y+x]&0xf;
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}
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else {
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c=((image[y+x])>>4)&0xf;
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}
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return c;
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}
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int main(int argc, char **argv) {
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int i,j,fd,addr=0,max;
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char *filename;
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if (argc<2) {
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filename=strdup("chiptune.gr");
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}
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else {
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filename=strdup(argv[1]);
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}
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fd=open(filename,O_RDONLY);
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if (fd<0) {
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printf("Error operning %s\n",filename);
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return -1;
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}
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read(fd,&image,1024);
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close(fd);
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// printf("\\documentclass{article}\n");
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// printf("\\usepackage{graphicx}\n");
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// printf("\\usepackage{colortbl}\n");
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// printf("\\begin{document}\n");
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/* First plot, interleaved */
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printf("\\tabcolsep=0.11cm\n");
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printf("\\renewcommand{\\arraystretch}{0.5}\n");
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printf("\\begin{tiny}\n");
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printf("\\begin{table*}\n");
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printf("\\caption{Apple II lores display, 40x48. "
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"Note the interleaving of the row addresses. "
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"Rows 40-47 are ASCII text being interpreted as graphic blocks.\\label{table:loresmap}}\n");
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printf("\\centering\n");
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printf("\\begin{tabular}{|l|l|");
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for(i=0;i<COLUMNS;i++) printf("c|");
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printf("}\n");
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printf("\\hline\n");
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printf("& &");
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for(i=0;i<COLUMNS;i++) {
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printf("\\rot{\\tt \\$%02X} ",i);
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if (i<COLUMNS-1) printf("&");
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}
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printf("\\\\\n");
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printf("\\hline\n");
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printf("& &");
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for(i=0;i<COLUMNS;i++) {
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printf("\\rot{%d} ",i);
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if (i<COLUMNS-1) printf("&");
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}
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printf("\\\\\n");
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for(j=0;j<ROWS;j++) {
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if (j%2==0) {
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printf("\\hline\n");
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printf("\\multirow{2}{*}{\\tt \\$%3X} &",
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addresses[j/2]);
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}
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else {
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printf("\\cline{2-42}\n");
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printf("&");
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}
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printf("%d &",j);
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for(i=0;i<COLUMNS;i++) {
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printf("\\cellcolor{color%d}",
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color(i,j));
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if (i<COLUMNS-1) printf("&");
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else printf("\\\\\n");
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}
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}
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printf("\\hline\n");
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printf("\\end{tabular}\n");
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printf("\\end{table*}\n");
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printf("\\end{tiny}\n");
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/* Second plot, this one showing non-interleaved */
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printf("\\begin{tiny}\n");
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printf("\\begin{table*}\n");
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printf("\\caption{Apple II lores raw memory if viewed linearly. "
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"Note the screen ``holes'' which pad every third line to a 128 "
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"byte boundary. This unused memory can be used by I/O cards. "
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"\\label{table:linear}}\n");
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printf("\\centering\n");
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printf("\\begin{tabular}{|l|l|");
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for(i=0;i<COLUMNS+8;i++) printf("c|");
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printf("}\n");
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// printf("\\hline\n");
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addr=0x400;
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for(j=0;j<ROWS;j++) {
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if (j%2==0) {
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printf("\\hline\n");
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printf("\\multirow{2}{*}{\\tt \\$%3X} &",
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addr);
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}
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else {
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printf("\\cline{2-42}\n");
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printf("&");
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}
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printf("%d &",j);
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if ((j/2)%3==2) {
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max=COLUMNS+8;
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}
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else {
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max=COLUMNS;
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}
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for(i=0;i<max;i++) {
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if (j%2==0) {
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printf("\\cellcolor{color%d}",
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image[(addr-0x400)+i]&0xf);
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}
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else {
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printf("\\cellcolor{color%d}",
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(image[(addr-0x400)+i]>>4)&0xf);
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}
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if (i<max-1) printf("&");
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else printf("\\\\\n");
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}
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if ((j%6)==1) {
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addr+=40;
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}
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else if ((j%6)==3) {
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addr+=40;
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}
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else if ((j%6)==5) {
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addr+=40+8;
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}
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}
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printf("\\hline\n");
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printf("\\end{tabular}\n");
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printf("\\end{table*}\n");
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printf("\\end{tiny}\n");
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// printf("\\end{document}\n");
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return 0;
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}
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